Progress MS-08
.jpg) Progress MS-08 approaches the ISS on 15 February 2018 | |
| Names | Progress 69P |
|---|---|
| Mission type | ISS resupply |
| Operator | Roscosmos |
| COSPAR ID | 2018-019A |
| SATCAT no. | 43211 |
| Mission duration | 197 days |
| Spacecraft properties | |
| Spacecraft | Progress MS-08 s/n 438 |
| Spacecraft type | Progress-MS |
| Manufacturer | RKK Energia |
| Launch mass | 7430 kg |
| Payload mass | 2494 kg |
| Start of mission | |
| Launch date | 13 February 2018, 08:13:33 UTC[1] |
| Rocket | Soyuz-2.1a s/n U15000-030 |
| Launch site | Baikonur, Site 31/6 |
| Contractor | Progress Rocket Space Centre |
| End of mission | |
| Disposal | Deorbited |
| Decay date | 30 August 2018 |
| Orbital parameters | |
| Reference system | Geocentric orbit |
| Regime | Low Earth orbit |
| Inclination | 51.67° |
| Docking with ISS | |
| Docking port | Zvezda |
| Docking date | 15 February 2018, 10:38 UTC |
| Undocking date | 23 August 2018, 02:16 UTC |
| Time docked | 188 days |
| Cargo | |
| Mass | 2494 kg |
| Pressurised | 1388 kg |
| Fuel | 640 kg |
| Gaseous | 46 kg |
| Water | 420 kg |
Progress ISS Resupply | |
Progress MS-08 (Russian: Прогресс МC-08), identified by NASA as Progress 69P, was a Progress spaceflight, operated by Roscosmos to resupply the International Space Station (ISS).
History
[edit]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:[2][3][4]
- 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.
- The Ukrainian Chezara Kvant-V on board radio system and antenna/feeder system has been replaced with a Unified Command Telemetry System (UCTS).
- Replacement of the Kurs A with Kurs NA digital system.
Launch
[edit]Progress MS-08 launched on 13 February 2018 from the Baikonur Cosmodrome in Kazakhstan atop a Soyuz-2.1a rocket, at 08:13:33 UTC.[1]
Docking
[edit]Progress MS-08 docked on 15 February 2018 with the aft docking port of the Zvezda module, at 10:38 UTC.[1][5]
Cargo
[edit]The Progress MS-08 spacecraft delivered 2,494 kg of cargo and supplies to the International Space Station. The following is a breakdown of cargo bound for the ISS:[3][5]
- Dry cargo: 1,390 kg
- Fuel: 890 kg
- Oxygen and Air: 46 kg
- Water: 430 kg
Progress MS-08 also includes two nanosatellites: Tanyusha YuZGU-3 (1998-067PJ) and Tanyusha YuZGU-4 (1998-067PK) (a.k.a. Radioskaf RS-8 and Radioskaf RS-9) with a mass of 2.5 kg, which was developed jointly by RKK Energia and students at the South-Western State University, YuZGU, in the city of Kursk. The satellites will be launched by spacewalking cosmonauts.
Undocking and decay
[edit]Undocking on 23 August 2018, at 02:16 UTC. And decay in the atmosphere and its debris entered the Pacific Ocean, on 30 August 2018.
References
[edit]- ^ a b c Chris Gebhardt; William Graham; Chris Bergin (15 February 2018). "Progress MS-08 docks with ISS". NASASpaceflight.com. Retrieved 15 February 2018.
- ^ Krebs, Gunter (1 December 2015). "Progress-MS 01-19". Gunter's Space Page. Retrieved 16 November 2018.
- ^ a b "Progress MS-08 2018-019A". NSSDCA. NASA. 13 February 2018. Retrieved 30 August 2018.
This article incorporates text from this source, which is in the public domain.
- ^ Zak, Anatoly (13 February 2018). "Progress-MS". Russian Space Web. Retrieved 15 February 2018.
- ^ a b Zak, Anatoly (15 February 2018). "Progress MS-08 arrives at ISS". russianspaceweb.com. Russian Space Web. Retrieved 30 August 2018.
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