CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0009
INTERCOSMOS 4
INTERCOSMOS 4 (NORAD 4580) re-entered Earth’s atmosphere on 17 January 1971, after 3 months in orbit.
Official date
NORAD number
4580
International designator
1970-084A
Object type
Spacecraft
Country
USSR
Launched
14 Oct 1970Kapustin Yar
Re-entered (UTC)
17 Jan 1971UTC calendar day
Time in orbit
3 months95 days
How it ended
Re-entered (natural decay)
Latitude range
48.4°N to 48.4°SFinal inclination 48.4°
Mass
303 kg
Operator
IK
Built by
Southern SDB
Bus
DS-U3
Programme
DS-U3-IK
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 48.4°, allowed a re-entry anywhere between 48.4°N and 48.4°S.
Life in orbit
3 monthsINTERCOSMOS 4’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Jan 1971
1 entryFrom the same launch
1970-084
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0009
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.