CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1991-0453
MAK 1
MAK 1 (NORAD 21425) re-entered Earth’s atmosphere after release from its host on 18 October 1991, after 4 months in orbit.
Official dateIdentified from the historical record
NORAD number
21425
International designator
1986-017DV
Object type
Spacecraft
Official listing
MIR DEBListed as a fragment
Country
USSR
Launched
30 May 1991Baikonur Cosmodrome
Released from
Mir
Re-entered (UTC)
18 Oct 1991UTC calendar day
Time in orbit
4 months141 days
How it ended
Re-entered after release from its host
Latitude range
51.6°N to 51.6°SFinal inclination 51.6°
Mass
16 kg
Operator
MAI Moskva / MOM
Built by
MAI Moskva
Bus
MAK
Programme
DOS SS
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
4 monthsMAK 1’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Oct 1991
1 entryFrom the same launch
1991-038
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1991-0453
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1991-0453
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.