February 26, 2024

NASA Artemis I – Flight Day 14: Deep Space Testing Continues

On flight day 9, the inside of Orion reveals the screen of the Callisto payload. Callisto is Lockheed Martins innovation presentation in partnership with Amazon and Cisco, testing video and voice-activated technology that may assist future astronauts on deep area objectives. Credit: NASA
On the third day of its Artemis I journey, the Orion spacecraft was more than midway to the Moon, and a review revealed it was surpassing efficiency expectations. Day 5 saw Orion get in the lunar sphere of impact, and the spacecraft recorded spectacular views throughout a close lunar flyby on day 6. On Day 8, Orion exited the lunar sphere of impact, and on day 10 it got in far-off retrograde orbit.
During flight day 14, NASA engineers continued with the jet firing development flight test objective that began on flight day 12. Today, groups demonstrated the “low” part of the response control thruster shooting time variety. This test objective is designed to exercise Orions reaction control system jets in a various configuration to model how thruster jets will be used during the Artemis II objective, enhancing NASAs understanding of spacecraft operations before they have team onboard.
As part of planned testing throughout the objective, the guidance, navigation, and control officer, likewise referred to as GNC, carried out the sixth of 8 prepared tests of the star trackers that support Orions navigation system. Star trackers are a navigation tool that measure the positions of stars to assist the spacecraft identify its orientation. The star trackers continue to supply excellent data to establish our required navigation services.

On the third day of its Artemis I journey, the Orion spacecraft was more than midway to the Moon, and a review revealed it was going beyond performance expectations. Day 5 saw Orion enter the lunar sphere of impact, and the spacecraft caught stunning views throughout a close lunar flyby on day 6. On Day 8, Orion left the lunar sphere of impact, and on day 10 it entered remote retrograde orbit. A new flight test goal was included to flight day 14 to gather extra details on the thermal characterization of Orion. On Artemis III, the very first Artemis mission to the lunar surface area, Orion will venture to near-rectilinear halo orbit, an orbit balanced between the Earths and Moons gravity that hangs almost like a pendant from the Moon.

Engineers will define the alignment between the star trackers that belong to the control, guidance and navigation system and the Orion inertial measurements units, by exposing different areas of the spacecraft to the Sun and triggering the star trackers in various thermal states to determine if the temperature level differences cause any changes. The inertial measurement systems include three devices, called gyros, used to measure spacecraft body rotation rates, and 3 accelerometers used to determine spacecraft accelerations.
Artemis All Access is your take a look at the current in Artemis I, the individuals and technology behind the objective, and what is coming up next. This uncrewed flight test around the Moon will lead the way for a crewed flight test and future human lunar expedition as part of Artemis. Credit: NASA
A brand-new flight test objective was contributed to flight day 14 to gather extra info on the thermal characterization of Orion. Throughout a majority of the mission Orion is typically in a tail-to-sun mindset, suggesting that the solar ranges deal with toward the sun to produce power. This flight test unbiased purposefully orients Orion beyond an ideal tail-to-sun mindset by approximately 20 degrees in order to assess the spacecraft and gather additional information. Currently, when Orion is out of the tail-to-sun attitude for more than three hours, a ten-hour tail-to-sun recovery period is required. This extra flight test objective will assist engineers understand the variety of Orions thermal efficiency to include into Artemis II and beyond.
Time in remote retrograde orbit permits engineers to check the spacecraft and its systems in a deep-space environment ahead of future missions with team. Remote retrograde orbit is an extremely stable orbit where little fuel is required to remain for an extended duration. While visiting a distant retrograde orbit allows engineers to capitalize on an orbit that was thoroughly studied as part of mission prepared for earlier agency efforts, future Artemis mission will go to different orbits.
On Artemis II, four astronauts in Orion will circumnavigate the Moon and fly a number of thousand miles above the lunar far side prior to travelling back to Earth. On Artemis III, the first Artemis objective to the lunar surface, Orion will venture to near-rectilinear halo orbit, an orbit well balanced between the Earths and Moons gravity that hangs nearly like a pendant from the Moon. The orbit provides access to the Moons South Pole, where 13 candidate landing regions have been recognized for future Artemis missions.
Simply after 4 p.m. CST, Orion was over 264,000 miles (425,000 km) from Earth and almost 46,000 miles (74,000 km) from the Moon, travelling at 1,790 mph (2,880 km/h).
See the most recent episode of Artemis All Access to find out more about Orions journey up until now.