CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2011-0333
ROSAT
ROSAT (NORAD 20638) re-entered Earth’s atmosphere on 23 October 2011, after 21 years, 4 months in orbit.
Official date
NORAD number
20638
International designator
1990-049A
Object type
Spacecraft
Country
Germany
Launched
1 Jun 1990Cape Canaveral
Re-entered (UTC)
23 Oct 2011UTC calendar day
Time in orbit
21 years, 4 months7,814 days
How it ended
Re-entered (natural decay)
Latitude range
53.0°N to 53.0°SFinal inclination 53.0°
Mass
2,426 kg
Operator
DLR
Built by
DASA-F
Bus
ROSAT
Programme
DLR Astro
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 53.0°, allowed a re-entry anywhere between 53.0°N and 53.0°S.
Life in orbit
21 years, 4 monthsROSAT’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Oct 2011
4 entriesFrom the same launch
1990-049Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2011-0333
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2011-0333
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.