CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-1638
SURCAL 150B
SURCAL 150B (NORAD 2909) re-entered Earth’s atmosphere on 17 October 2025, after 58 years, 4 months in orbit.
Official date
NORAD number
2909
International designator
1967-053J
Object type
Spacecraft
Country
United States
Launched
31 May 1967Vandenberg
Re-entered (UTC)
17 Oct 2025UTC calendar day
Time in orbit
58 years, 4 months21,324 days
How it ended
Re-entered (natural decay)
Latitude range
69.9°N to 69.9°SFinal inclination 69.9°
Mass
5 kg
Operator
NRL
Built by
NRL
Bus
Surcal?
Programme
SURCAL
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 69.9°, allowed a re-entry anywhere between 69.9°N and 69.9°S.
Life in orbit
58 years, 4 monthsSURCAL 150B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 17 Oct 2025
3 entriesFrom the same launch
1967-053Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-1638
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-1638
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.