CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2010-0223
COSMOS 2421
COSMOS 2421 (NORAD 29247) re-entered Earth’s atmosphere on 19 August 2010, after 4 years, 1 month in orbit.
Official date
NORAD number
29247
International designator
2006-026A
Object type
Spacecraft
Country
Russia
Launched
25 Jun 2006Baikonur Cosmodrome
Re-entered (UTC)
19 Aug 2010UTC calendar day
Time in orbit
4 years, 1 month1,516 days
How it ended
Re-entered (natural decay)
Latitude range
65.0°N to 65.0°SFinal inclination 65.0°
Mass
3,500 kg
Operator
Russian Navy
Built by
Arsenal / Kometa
Bus
US-P
Programme
US-PU
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 65.0°, allowed a re-entry anywhere between 65.0°N and 65.0°S.
Life in orbit
4 years, 1 monthCOSMOS 2421’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
2006-026Fragments of this object
508 on record
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2010-0223
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2010-0223
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.