CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0187
OPS 7874
OPS 7874 (NORAD 4492) came down while still attached to its host on 4 September 1970, after 17 days in orbit.
Official date
NORAD number
4492
International designator
1970-061A
Object type
Spacecraft
Country
United States
Launched
18 Aug 1970Vandenberg
Re-entered (UTC)
4 Sep 1970UTC calendar day
Time in orbit
17 days17 days
How it ended
Came down attached to its host
Latitude range
69.0°N to 69.0°SFinal inclination 111.0°
Mass
2,400 kg
Operator
NRO / SAFSP
Built by
LMSC
Bus
KH-8
Programme
KH8B
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 111.0°, allowed a re-entry anywhere between 69.0°N and 69.0°S.
Life in orbit
17 daysAlso ended on 4 Sep 1970
1 entryEntered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0187
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0187
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.