CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1979-0116
OV1-18 R/B
OV1-18 R/B (NORAD 3828) re-entered Earth’s atmosphere on 15 March 1979, after 9 years, 11 months in orbit.
Official date
NORAD number
3828
International designator
1969-025F
Object type
Rocket body
Country
United States
Launched
18 Mar 1969Vandenberg
Re-entered (UTC)
15 Mar 1979UTC calendar dayAlso recorded as 16 Mar 1979
Time in orbit
9 years, 11 months3,649 days
How it ended
Re-entered (natural decay)
Latitude range
81.1°N to 81.1°SFinal inclination 98.9°
Mass
125 kg
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 98.9°, allowed a re-entry anywhere between 81.1°N and 81.1°S.
Life in orbit
9 years, 11 monthsOV1-18 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 15 Mar 1979
3 entriesFrom the same launch
1969-025
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1979-0116
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1979-0116
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.