Progress MS-25
Progress MS-25 during final approach to the ISS
NamesProgress 86P
Mission typeISS resupply
OperatorRoscosmos
COSPAR ID2023-184A
SATCAT no.58460
Mission duration43 days, 23 hours and 42 minutes
(in progress)
Spacecraft properties
SpacecraftProgress MS-25 no.455
Spacecraft typeProgress MS
ManufacturerEnergia
Launch mass7000 kg
Start of mission
Launch date1 December 2023, 09:25 UTC
RocketSoyuz-2.1a
Launch siteBaikonur, Site 31
ContractorProgress Rocket Space Centre
End of mission
DisposalDeorbited (planned)
Decay date2024 (planned)
Orbital parameters
Reference systemGeocentric orbit
RegimeLow Earth orbit
Inclination51.65°
Docking with ISS
Docking portPrichal nadir (intended)
Docking with ISS
Docking portPoisk zenith
Docking date3 December 2023, 11:18 UTC
Time docked41 days, 21 hours and 49 minutes
(in progress)
Progress ISS Resupply
 

Progress MS-25 (Russian: Прогресс МC-25), Russian production No.455, identified by NASA as Progress 86P, is a Progress spaceflight launched by Roscosmos to resupply the International Space Station (ISS). It is the 178th flight of a Progress spacecraft.

History

The Progress-MS is an uncrewed freighter based on the Progress-M featuring improved avionics. This improved variant first launched on 21 December 2015. It has the following improvements:[1][2][3]

  • New external compartment that enables it to deploy satellites. Each compartment can hold up to four launch containers. First time installed on Progress MS-03.
  • Enhanced redundancy thanks to the addition of a backup system of electrical motors for the docking and sealing mechanism.
  • Improved Micrometeoroid (MMOD) protection with additional panels in the cargo compartment.
  • Luch Russian relay satellites link capabilities enable telemetry and control even when not in direct view of ground radio stations.
  • GNSS autonomous navigation enables real time determination of the status vector and orbital parameters dispensing with the need of ground station orbit determination.
  • Real time relative navigation thanks to direct radio data exchange capabilities with the space station.
  • New digital radio that enables enhanced TV camera view for the docking operations.
  • Unified Command Telemetry System (UCTS) replaces previous Ukrainian Chezara Kvant-V as the Progress spacecraft's on-board radio and antenna/feeder system.
  • Replacement of the Kurs A with Kurs NA digital system.

Launch

A Soyuz-2.1a launched Progress MS-25 to the International Space Station from Baikonur Site 31 on 1 December 2023. Around 2 days after the launch, Progress MS-25 will automatically docked with Poisk and continue its mission, supporting Expedition 70 aboard the ISS.

Cargo

The MS-25 cargo capacity is 2,528 kg (5,573 lb) as follows:

  • Dry cargo: 1,500 kg (3,300 lb)
  • Fuel: 515 kg (1,135 lb)
  • Oxygen: 40 kg (88 lb)
  • Water: 420 kg (930 lb)

See also

References

  1. ↑ Krebs, Gunter (1 December 2015). "Progress-MS 01-19". Gunter's Space Page. Retrieved 30 November 2023.
  2. ↑ Zak, Anatoly. "Progress-MS cargo ship series". RussianSpaceWeb. Retrieved 30 November 2023.
  3. ↑ Blau, Patrick (1 December 2015). "Progress MS Spacecraft". Spaceflight101. Retrieved 17 November 2020.
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