CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1970-0243
OPS 1807
OPS 1807 (NORAD 4111) re-entered Earth’s atmosphere on 30 October 1970, after 1 year, 1 month in orbit.
Official date
NORAD number
4111
International designator
1969-082A
Object type
Spacecraft
Country
United States
Launched
30 Sep 1969Vandenberg
Re-entered (UTC)
30 Oct 1970UTC calendar day
Time in orbit
1 year, 1 month395 days
How it ended
Re-entered (natural decay)
Latitude range
69.6°N to 69.6°SFinal inclination 69.6°
Mass
103 kg
Operator
NRO / SAFSP
Built by
LMSC / HRB-Singer
Bus
P-11 ML
Programme
EHH B
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 69.6°, allowed a re-entry anywhere between 69.6°N and 69.6°S.
Life in orbit
1 year, 1 monthOPS 1807’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1969-082
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1970-0243
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1970-0243
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.