CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1967-0248
TRANSIT 1B
TRANSIT 1B (NORAD 31) re-entered Earth’s atmosphere on 5 October 1967, after 7 years, 5 months in orbit.
Official date
NORAD number
31
International designator
1960-003B
Object type
Spacecraft
Country
United States
Launched
13 Apr 1960Cape Canaveral
Re-entered (UTC)
5 Oct 1967UTC calendar day
Time in orbit
7 years, 5 months2,731 days
How it ended
Re-entered (natural decay)
Latitude range
51.2°N to 51.2°SFinal inclination 51.2°
Mass
121 kg
Operator
ARPA / USN BuWeps
Built by
APL
Bus
Transit 1
Programme
Transit
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 51.2°, allowed a re-entry anywhere between 51.2°N and 51.2°S.
Life in orbit
7 years, 5 monthsTRANSIT 1B’s lowest and highest points above Earth, week by week, from its tracking history.
Came down with TRANSIT 1B
2 entriesFrom the same launch
1960-003
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1967-0248
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1967-0248
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.