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Sep. 12, 2021
The orbital altitude of the International Space Station was adjusted in preparation for the arrival of the Soyuz MS-19 manned transport vehicle and the return of the Soyuz MS-18 spacecraft to Earth. According to preliminary data, after the corrective maneuver, the station's orbit altitude increased by 750 m.
ISS reboost by Progress cargo vehicle
On Saturday, September 11, 2021, at 21:54 Moscow time, a command was issued and the engines of the Zvezda service module of the ISS Russian segment were turned on. The two correcting motors in the normal mode worked for 31 seconds, and the impulse value was 0.45 m / s. According to the information provided by the ballistic and navigation support service of the TsNIIMash Flight Control Center (part of the Roscosmos State Corporation), the orbital parameters of the International Space Station are:
- Orbital period (T) - 92.94 min.
- Orbital inclination (i) - 51.66 degrees.
- Minimum orbital altitude (H min) - 419.51 km
- Maximum orbital altitude (Hmax) - 439, 45 km.
This maneuver was carried out by the engines of the Zvezda service module, rather than the Progress MS-17 transport cargo vehicle, in order to use more fuel efficiently, since the space "truck" was docked to the Poisk Small Research Module.
Currently, there are seven crew members on board the International Space Station: Roscosmos cosmonauts Oleg Novitsky and Petr Dubrov, NASA astronauts Mark Vande Hei, Shane Kimbrough and Megan MacArthur, European Space Agency astronaut Thomas Pesquet, and JAXA astronaut Akihiko Hoshide. Roscosmos cosmonaut Anton Shkaplerov, as well as space flight participants - actress Yulia Peresild and director Klim Shipenko are to arrive on the Soyuz MS-19 spacecraft.
ISS reboost
The launch of the Soyuz-2.1a carrier rocket with the Soyuz MS-19 manned transport vehicle is scheduled for October 5, 2021 from the Baikonur cosmodrome. It is expected that on October 17 Peresild and Shipenko will return to Earth on the Soyuz MS-18 spacecraft together with Roskosmos cosmonaut Oleg Novitsky.
Related article:
Planned correction of the ISS orbit altitude is scheduled for September 11
https://orbiterchspacenews.blogspot.com/2021/09/planned-correction-of-iss-orbit.html
Related links:
ROSCOSMOS Press Release: https://www.roscosmos.ru/32501/
TsNIIMash: https://www.roscosmos.ru/tag/cniimash/
International Space Station (ISS): https://www.roscosmos.ru/tag/mks/
Image, Video, Text, Credits: ROSCOSMOS/NASA/ESA/Orbiter.ch Aerospace/Roland Berga.
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