Progress M-39

Progress M-39 (Russian: Прогресс M-39) was a Russian unmanned Progress cargo spacecraft, which was launched in May 1998 to resupply the Mir space station.

Progress M-39

A Progress-M spacecraft
Mission type	Mir resupply
COSPAR ID	1998-031A
SATCAT no.	25340[1]
Spacecraft properties
Spacecraft	Progress (No.238)
Spacecraft type	Progress-M[2]
Manufacturer	RKK Energia
Start of mission
Launch date	14 May 1998, 22:12:59 UTC[1]
Rocket	Soyuz-U[2]
Launch site	Baikonur, Site 1/5
End of mission
Disposal	Deorbited
Decay date	29 October 1998, 03:27:00 UTC[3]
Orbital parameters
Reference system	Geocentric
Regime	Low Earth
Perigee altitude	194 km[3]
Apogee altitude	238 km[3]
Inclination	51.7°[3]
Period	88.5 minutes[3]
Epoch	14 May 1998
Docking with Mir
Docking port	Kvant-1 aft[3]
Docking date	16 May 1998, 23:50:33 UTC
Undocking date	12 August 1998, 09:28:52 UTC
Docking with Mir
Docking port	Kvant-1 aft[3]
Docking date	1 September 1998, 05:34:40 UTC
Undocking date	25 October 1998, 23:03:24 UTC
Progress (spacecraft) ← Progress M-38 Progress M-40 →

Launch

Progress M-39 launched on 14 May 1998 from the Baikonur Cosmodrome in Kazakhstan. It used a Soyuz-U rocket.^[2][4]

Docking

Progress M-39 docked with the aft port of the Kvant-1 module of Mir on 16 May 1998 at 23:50:33 UTC, and was undocked on 12 August 1998 at 09:28:52 UTC, to make way for Soyuz TM-28.^[3][5] Following the redocking of Soyuz TM-28 to the Mir Core Module forward port, Progress M-39 was redocked to the Kvant-1 aft port on 1 September 1998 at 05:34:40 UTC. Progress M-39 was finally undocked on 25 October 1998 at 23:03:24 UTC.^[3][5]

Decay

It remained in orbit until 29 October 1998, when it was deorbited. The deorbit burn occurred at 03:27:00 UTC, with the mission ending at 04:14:52 UTC.^[3][5]

See also

• Spaceflight portal

• 1998 in spaceflight
• List of Progress missions
• List of uncrewed spaceflights to Mir