CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0180
PROGRESS 29
PROGRESS 29 (NORAD 17878) was deorbited in a controlled re-entry after a space station visit on 11 May 1987, after 20 days in orbit.
Controlled re-entryOfficial date
NORAD number
17878
International designator
1987-034A
Object type
Spacecraft
Country
USSR
Launched
21 Apr 1987Baikonur Cosmodrome
Re-entered (UTC)
11 May 1987UTC calendar day
Time in orbit
20 days20 days
How it ended
Deorbited (controlled re-entry) after a station visit
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
7,100 kg
Operator
NPO Energiya
Built by
NPO Energiya
Bus
7K-TG
Programme
Progress
Where it came down
Latitude band its orbit allowedExact position not recorded
No position was recorded for this re-entry. Its final orbit, inclined at 51.6°, allowed a re-entry anywhere between 51.6°N and 51.6°S.
Life in orbit
20 daysAlso ended on 11 May 1987
2 entriesFrom the same launch
1987-034
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0180
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0180
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.