CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1990-0426
PROGRESS-M 4
PROGRESS-M 4 (NORAD 20752) was deorbited in a controlled re-entry after a space station visit on 20 September 1990, after 1 month in orbit.
Controlled re-entryOfficial date
NORAD number
20752
International designator
1990-072A
Object type
Spacecraft
Country
USSR
Launched
15 Aug 1990Baikonur Cosmodrome
Re-entered (UTC)
20 Sep 1990UTC calendar day
Time in orbit
1 month36 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
7,294 kg
Operator
NPO Energiya
Built by
NPO Energiya
Bus
7K-TGM
Programme
Progress M
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
1 monthPROGRESS-M 4’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 20 Sep 1990
3 entriesFrom the same launch
1990-072
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0426
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1990-0426
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.