CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0436
PROGRESS 4
PROGRESS 4 (NORAD 11040) was deorbited in a controlled re-entry after a space station visit on 26 October 1978, after 23 days in orbit.
Controlled re-entryOfficial date
NORAD number
11040
International designator
1978-090A
Object type
Spacecraft
Country
USSR
Launched
3 Oct 1978Baikonur Cosmodrome
Re-entered (UTC)
26 Oct 1978UTC calendar day
Time in orbit
23 days23 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
7,250 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
23 daysPROGRESS 4’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1978-090
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0436
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0436
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.