CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0257
COSMOS 300
COSMOS 300 (NORAD 4104) re-entered Earth’s atmosphere on 27 September 1969, after 4 days in orbit.
Official date
NORAD number
4104
International designator
1969-080A
Object type
Spacecraft
Country
USSR
Launched
23 Sep 1969Baikonur Cosmodrome
Re-entered (UTC)
27 Sep 1969UTC calendar day
Time in orbit
4 days4 days
How it ended
Re-entered (natural decay)
Latitude range
51.5°N to 51.5°SFinal inclination 51.5°
Mass
3,180 kg
Operator
IKI / Babakin
Built by
Babakin
Bus
Luna E-8
Programme
E-8-5
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 51.5°, allowed a re-entry anywhere between 51.5°N and 51.5°S.
Life in orbit
4 daysAlso ended on 27 Sep 1969
1 entryFrom the same launch
1969-080Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0257
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0257
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.