OrbitalHub

ESA dixit:

“ESA and European industry are currently developing a new-generation launcher: Ariane 6. This follows the decision taken at the ESA Council meeting at Ministerial level in December 2014, to maintain Europe’s leadership in the fast-changing commercial launch service market while responding to the needs of European institutional missions.

This move is associated with a change in the governance of the European launcher sector, based on a sharing of responsibility, cost and risk by ESA and industry. The participating states are: Austria, Belgium, Czech Republic, France, Germany, Ireland, Italy, Netherlands, Norway, Romania, Spain, Sweden and Switzerland.

The overarching aim of Ariane 6 is to provide guaranteed access to space for Europe at a competitive price without requiring public sector support for exploitation. Different concepts have been examined for Ariane 6 such as single- and dual-payloads, solid or cryogenic propulsion for the main stage, and the number of stages (three or more), all to cover a wide range of missions: GEO, either directly or through intermediate orbits, in particular GTO and LEO, Polar/SSO, MEO or MTO.

The targeted payload performance of Ariane 6 is over 4.5 t for polar/Sun-synchronous orbit missions at 800 km altitude and the injection of two first-generation Galileo satellites. Ariane 6 can loft a payload mass of 4.5–10.5 tonnes in equivalent geostationary transfer orbit.

The exploitation cost of the Ariane 6 launch system is its key driver. Launch service costs will be halved, while maintaining reliability by reusing the trusted engines of Ariane 5. The first flight is scheduled for 2020.

Ariane 6 has a ‘PHH’ configuration, indicating the sequence of stages: a first stage using strap-on boosters based on solid propulsion (P) and a second and third stage using cryogenic liquid oxygen and hydrogen propulsion (H).

Ariane 6 provides a modular architecture using either two boosters (Ariane 62) or four boosters (Ariane 64), depending on the required performance. Two or four P120 solid-propellant boosters will be common with Vega C, an evolution of the current Vega launcher.

The main stage containing liquid oxygen and hydrogen is based around the Vulcain 2 engine of Ariane 5.

The upper stage of Ariane 6 builds on developments for the Adapted Ariane 5 ME, and cryogenic propulsion using the Vinci engine. It will be restartable and have direct deorbiting features to mitigate space debris.

Flexibility is a design characteristic for A64 and A62. The launcher responds to different market needs by varying the number of boosters in the configuration.

The A62, with two P120 solid boosters, will be used mainly in single-launch configurations, while the A64 – with four P120 solids – will enable double launch of medium-class satellites over 4.5–5 t, mainly for commercial market needs.

The main characteristics of the Ariane 6 concept are: the total length of the vehicle is about 62 m; the cryogenic main stage holds about 150 t of propellants, the upper stage holds about 30 t; the external diameter of the cryogenic main stage and upper stages including the part that connects the fairing is about 5.4 m.”

Video credit: ESA/David Ducros

Wikipedia dixit:

“The flight [Friendship 7] occurred on February 20, 1962 from Cape Canaveral, later renamed Kennedy Space Center. There were eleven delays during the countdown due to equipment malfunctions, improvements to equipment that was functioning properly, and weather. During Glenn’s first orbit, there was a scheduled 30 minute test to see if Glenn could fly the spacecraft manually. This test became significant once a failure of the automatic control system was detected at the end of the first orbit. This forced Glenn to operate in manual mode for the second and third orbits, as well as re-entry.

Later in the flight, telemetry indicated that the heat shield had become loose. If the telemetry was correct, Glenn’s spacecraft would likely have been destroyed during re-entry due to the intense heat. Flight controllers had Glenn modify his re-entry procedure by keeping his retrorocket pack on over the shield to help retain it during re-entry. Leaving the retrorocket pack on caused large chunks of flaming debris to fly past the window of the capsule during re-entry, although Glenn thought it could have also been the heat shield. He told an interviewer, “Fortunately it was the rocket pack – or I wouldn’t be answering these questions.” After the flight, it was determined that the indicator was faulty.

Friendship 7 made splashdown 800 miles southeast of Cape Canaveral safely after his 4-hour, 55 minute flight. Glenn carried a note with him on the flight that read, “I am a stranger. I come in peace. Take me to your leader and there will be a massive reward for you in eternity,” translated into several different languages, in case he landed near islands in the South Pacific Seas. The original procedure called for Glenn to exit through the top hatch, but he was uncomfortably warm and decided that an egress through the side hatch would be faster. During the flight, he endured 7.8 G’s of acceleration and traveled a total of 75,679 statute miles at about 17,500 mph.

Glenn is honored by President Kennedy at temporary Manned Spacecraft Center facilities at Cape Canaveral, Florida, three days after his flight. The flight made Glenn the first American to orbit the Earth. This feat made Glenn the third American in space and the fifth human being in space. For Glenn the day became the “best day of his life,” while it also renewed America’s confidence. His voyage took place while America and the Soviet Union were in the midst of the Cold War and competing in the “Space Race.”

As the first American in orbit, Glenn became a national hero, met President Kennedy, and received a ticker-tape parade in New York City, reminiscent of that given for Charles Lindbergh and other great dignitaries. However, he became “so valuable to the nation as an iconic figure,” said NASA administrator Charles Bolden, that Kennedy would not “risk putting him back in space again.” Glenn’s fame and political attributes were noted by the Kennedys, and he became a personal friend of the Kennedy family. On February 23, 1962, President Kennedy awarded Glenn with the NASA Distinguished Service Medal.”

Video credit: NASA

NASA dixit:

“Loaded with more than 2.5 tons of supplies and science experiments, Orbital ATK’s Cygnus cargo craft arrived at the International Space Station Oct. 23 following its launch on a refurbished Antares rocket from the Wallops Flight Facility, Virginia Oct. 17. Expedition 49 crewmembers Takuya Onishi of the Japan Aerospace Exploration Agency and Kate Rubins of NASA captured Cygnus using the station’s Canadian-built robotic arm. Ground controllers then maneuvered Cygnus to the Earth-facing port of the Unity module where it was installed and bolted into place for a month-long stay.”

From CASIS press release:

“The most recent series of payloads berthed with the International Space Station (ISS) Sunday morning onboard the Orbital ATK Cygnus capsule. Many of the investigations launched from Wallops Island, VA onboard the Antares rocket are sponsored by the ISS U.S. National Laboratory. The Center for the Advancement of Science in Space (CASIS) is tasked by NASA with managing and promoting research onboard the ISS National Laboratory for the benefit of Earth. Below provides a summary of the ISS National Laboratory-sponsored payloads delivered today:

CONTROLLED DYNAMICS LOCKER FOR MICROGRAVITY EXPERIMENTS ON ISS

Controlled Dynamics

Principal Investigator: Dr. Scott Green

Dr. Green and his team have developed a hardware platform that will provide research payloads with a “controlled dynamic acceleration environment”—in other words, a technology that will dampen fluctuations/disturbances in the microgravity environment that occur onboard moving spacecraft. This technology promises to attract a new class of research experiments and private funding aimed at exploiting this controlled acceleration environment in microgravity, which has the potential to improve space experiments in crystallization; fluid physics; cell, tissue, and plant culturing; and other studies that require precise control of motion. This investigation stems from a CASIS grant supporting enabling technology development onboard the ISS National Lab.

NANORACKS BLACK BOX

NanoRacks, LLC

Principal Investigator: Mary Murphy

NanoRacks Black Box is a key part of NanoRacks’ next-generation ISS platforms. This new hardware is specially designed to provide near-launch payload turnover of autonomous payloads while providing advanced science capabilities for customers, including the use of robotics, new automated MixStix, and NanoLab-style research. OA-5 provides the first technology demonstration mission to test the NanoRacks Black Box platform, NanoRacks’ own payload hardware, and customer technology demonstration experiments. Technology demonstration payloads onboard OA-5 include multiple education-focused experiments, one of which features a partnership between Valley Christian High School in California and Microsoft, in which students will leverage the Microsoft Windows 10 IoT (internet of things) platform to run experiments on a cell phone motor to test the behaviors of different metals and materials in microgravity environments with status and magnetic forces.

NANORACKS EXTERNAL DEPLOYER

NanoRacks, LLC

Principal Investigators: Conor Brown and Henry Martin

NanoRacks provides opportunities for CubeSat deployment from Cygnus after the vehicle departs from the ISS. The NanoRacks deployer is installed on the exterior of the Cygnus service module, and after completion of its primary ISS resupply mission, Cygnus is intended to move into a higher orbit, and then deploy small satellites. Four satellites are part of the OA-5 mission intended to launch from Cygnus in partnership with the space-based data company, Spire. Spire’s solutions offer organizations near-real-time insights into weather and climate, shipping and supply chain, and maritime domain awareness. Ships carry 90% of global trade over the oceans, but the ships and those that rely on them are open to risks caused by delays, piracy, poor data for search and rescue operations, and incomplete data sets. The ship tracking payload reduces those risks by relaying critical metadata about oceangoing vessels to a network of ground stations. The weather observation payload gathers incredibly accurate temperature, pressure, and humidity data by recording and processing signals from GPS satellites as they “bend” through the Earth’s atmosphere. The data is fed into weather models, where it provides large improvements to short- and medium-term forecasts. This mission will incrementally increase Spire’s satellite constellation, providing additional coverage from a mid-inclination orbit.

SOLIDIFICATION USING A BAFFLE IN SEALED AMPOULES (SUBSA) FURNACE

NASA Marshall Space Flight Center

Material melt-growth experiments have been difficult to run in the space environment because there is just enough residual micro-acceleration (g-jitter) to produce natural convection that interferes with the structure and purity of the material. This convection is responsible for the lack of reliable and reproducible solidification data and, thus, for gaps in solidification theory. The Solidification Using a Baffle in Sealed Ampoules (SUBSA) experiment tested an automatically moving baffle (driven by melt expansion during freezing) that was designed to reduce thermal convection inside an ampoule to determine whether the baffle significantly reduces convection. Ground studies showed that the baffle reduces the movement of the material during its liquid phase, making the process easier to analyze and allowing more homogenous crystals to form. The key goal of SUBSA was to clarify the origin of the melt convection in space and to reduce the magnitude to the point that it does not interfere with the transport phenomena. This mission will provide updates to the hardware onboard the ISS to include modifications to the furnace and inserts to ensure future investigations run nominally.”

Video credit: NASA

Wikipedia dixit:

“The Interplanetary Transport System (ITS), formerly known as the Mars Colonial Transporter (MCT), is SpaceX’s privately funded development project to design and build a spaceflight system of reusable rocket engines, launch vehicles and spacecraft to transport humans to Mars and return to Earth. SpaceX began development of the large Raptor rocket engine for the Mars Colonial Transporter before 2014. As of June 2016, publicly-announced company conceptual plans included the first Mars-bound cargo flight of ITS launching no earlier than 2022, followed by the first ITS Mars flight with passengers one synodic period later in 2024, following two preparatory research launches of Mars probes in 2018 and 2020 on Dragon/Falcon Heavy equipment. SpaceX CEO Elon Musk unveiled details of the space mission architecture at the 67th International Astronautical Congress on 27 September 2016. The booster will have a diameter of 12 m, the spaceship diameter will be 17 m and stack height of the entire vehicle will be 122 m. The selected fuel type is deep-cryo methalox for 42 Raptor engines on the booster and 9 on the spacecraft.

As early as 2007, Elon Musk stated a personal goal of eventually enabling human exploration and settlement of Mars. Bits of additional information about the mission architecture were released in 2011–2015, including a 2014 statement that initial colonists would arrive at Mars no earlier than the middle of the 2020s. Company plans as of mid-2016 continue to call for the arrival of the first humans on Mars no earlier than 2025.

Musk stated in a 2011 interview that he hoped to send humans to Mars’ surface within 10–20 years, and in late 2012 he stated that he envisioned a Mars colony of tens of thousands with the first colonists arriving no earlier than the middle of the 2020s. In October 2012, Musk articulated a high-level plan to build a second reusable rocket system with capabilities substantially beyond the Falcon 9/Falcon Heavy launch vehicles on which SpaceX had by then spent several billion US dollars. This new vehicle was to be “an evolution of SpaceX’s Falcon 9 booster… much bigger [than Falcon 9].” But Musk indicated that SpaceX would not be speaking publicly about it until 2013. In June 2013, Musk stated that he intended to hold off any potential IPO of SpaceX shares on the stock market until after the “Mars Colonial Transporter is flying regularly.”

In February 2014, Musk stated that Mars Colonial Transporter will be “100 times the size of an SUV”, and capable of taking 100 tons of cargo to Mars. Also, SpaceX engine development head Tom Mueller said SpaceX would use nine Raptor engines on a single rocket, similar to the use of nine Merlin engines on each Falcon 9 booster core. He said “It’s going to put over 100 tons of cargo on Mars.” In early 2014, it appeared that the large rocket core that would be used for the booster to be used with MCT would be at least 10 meters (33 ft) in diameter, nearly three times the diameter and over seven times the cross-sectional area of the Falcon 9 booster cores. In August 2014, media sources speculated that the initial flight test of the Raptor-driven super-heavy launch vehicle could occur as early as 2020, in order to fully test the engines under orbital spaceflight conditions; however, any colonization effort was reported to continue to be “deep into the future”.

In January 2015, Musk said that he hoped to release details of the “completely new architecture” for the Mars transport system in late 2015 but those plans changed and, by December 2015, the plan to publicly release additional specifics had moved to 2016. In January 2016, Musk indicated that he hoped to describe the architecture for the Mars missions with the next generation SpaceX rocket and spacecraft later in 2016, at the 67th International Astronautical Congress conference, in September 2016. Musk stated in June 2016 that the first unmanned MCT Mars flight was planned for departure in 2022, to be followed by the first manned MCT Mars flight departing in 2024. By September 2016, Musk noted that the MCT name would not continue, as the system would be able to “go well beyond Mars”, and that a new name would be needed: Interplanetary Transport System (ITS), with the first spacecraft named “Heart of Gold” in reference to the Infinite Improbability Drive.”

Video credit: SpaceX

NASA dixit:

“On Sept. 8, NASA launched the Origins Spectral Interpretation Resource Identification Security – Regolith Explorer, or OSIRIS-REx mission from Cape Canaveral Air Force Station in Florida. OSIRIS-REx is the first U.S. mission to sample an asteroid. The spacecraft is scheduled to arrive at near-Earth asteroid Bennu in 2018, survey the asteroid’s surface, retrieve at least 60 grams (2.1 ounces) of surface material, and return the sample to Earth in 2023 for study. Analysis of the sample will reveal the earliest stages of the solar system’s evolution and the history of Bennu over the past 4.5 billion years.”

Video credit: NASA/ULA

United Launch Alliance dixit:

“The Air Force’s AFSPC-6 payload, encapsulated inside a 4-meter diameter payload fairing, is transported and mated to a Delta IV rocket at Space Launch Complex-37. AFSPC-6 will deliver two Geosynchronous Space Situational Awareness Program (GSSAP) satellites to near-geo­synchronous orbit. The twin GSSAP spacecraft, built by Orbital ATK, will support U.S. Strategic Command space enhanced awareness operations.”

Wikipedia dixit:

“Air Force Space Command (AFSPC) is a major command of the United States Air Force, with its headquarters at Peterson Air Force Base, Colorado. AFSPC supports U.S. military operations worldwide through the use of many different types of satellite, launch and cyber operations. Operationally, AFSPC is an Air Force component command subordinate to U.S. Strategic Command (USSTRATCOM), a unified combatant command.

More than 38,000 people perform AFSPC missions at 88 locations worldwide and comprises Regular Air Force, Air Force Reserve and Air National Guard military personnel, Department of the Air Force Civilians (DAFC), and civilian military contractors. Composition consist of approximately 22,000 military personnel and 9,000 civilian employees, although their missions overlap.

AFSPC gained the cyber operations mission with the stand-up of 24th Air Force under AFSPC in August 2009. On 1 December 2009, the strategic nuclear intercontinental ballistic missile (ICBM) mission that AFSPC inherited from Air Combat Command (ACC) in 1993, and which ACC had inherited following the inactivation of Strategic Air Command (SAC) in 1992, was transferred to the newly established Air Force Global Strike Command (AFGSC). Spacelift operations at the East and West Coast launch bases provide services, facilities and range safety control for the conduct of DOD, NASA and commercial launches. Through the command and control of all DOD satellites, satellite operators provide force-multiplying effects—continuous global coverage, low vulnerability and autonomous operations. Satellites provide essential in-theater secure communications, weather and navigational data for ground, air and fleet operations and threat warning. Ground-based radar and Defense Support Program satellites monitor ballistic missile launches around the world to guard against a surprise missile attack on North America. Space surveillance radars provide vital information on the location of satellites and space debris for the nation and the world.

As of 2013, Air Force Space Command is considering Space Disaggregation, which would involve replacing a few large multimission satellites with larger numbers of smaller single purpose platforms. This could be used to defend against ASATs, by increasing the number of targets that needed to be attacked.”

Video credit: United Launch Alliance