CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1999-0039
ATHENA 1 R/B(OAM)
ATHENA 1 R/B(OAM) (NORAD 25617) re-entered Earth’s atmosphere on 29 January 1999, after 2 days in orbit.
Official date
NORAD number
25617
International designator
1999-002B
Object type
Rocket body
Country
United States
Launched
27 Jan 1999Cape Canaveral
Re-entered (UTC)
29 Jan 1999UTC calendar day
Time in orbit
2 days2 days
How it ended
Re-entered (natural decay)
Latitude range
34.7°N to 34.7°SFinal inclination 34.7°
Mass
650 kg
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 34.7°, allowed a re-entry anywhere between 34.7°N and 34.7°S.
Life in orbit
2 daysFrom the same launch
1999-002
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1999-0039
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1999-0039
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.