CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0064
STS 61B OEX TARGET
STS 61B OEX TARGET (NORAD 16277) landed after a space station visit on 2 March 1987, after 1 year, 3 months in orbit.
Official date
NORAD number
16277
International designator
1985-109E
Object type
Spacecraft
Country
United States
Launched
27 Nov 1985Cape Canaveral
Landed (UTC)
2 Mar 1987UTC calendar day
Time in orbit
1 year, 3 months460 days
How it ended
Landed after a station visit
Latitude range
28.5°N to 28.5°SFinal inclination 28.5°
Mass
35 kg
Operator
NASA JSC
Built by
NASA JSC
Bus
OEX Target
Programme
JSC RVT
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 28.5°, allowed a re-entry anywhere between 28.5°N and 28.5°S.
Life in orbit
1 year, 3 monthsSTS 61B OEX TARGET’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 2 Mar 1987
1 entryFrom the same launch
1985-109
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0064
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0064
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.