CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1971-0038
ERS 28 (OV5-2)
ERS 28 (OV5-2) (NORAD 3429) re-entered Earth’s atmosphere on 15 February 1971, after 2 years, 4 months in orbit.
Official date
NORAD number
3429
International designator
1968-081B
Object type
Spacecraft
Country
United States
Launched
26 Sep 1968Cape Canaveral
Re-entered (UTC)
15 Feb 1971UTC calendar day
Time in orbit
2 years, 4 months872 days
How it ended
Re-entered (natural decay)
Latitude range
—
Mass
10 kg
Operator
SAMSO
Built by
TRW
Bus
ORS
Programme
ORS III
Where it came down
Not on recordNo position was recorded for this re-entry. Its final orbit is not on record.
Life in orbit
2 years, 4 monthsERS 28 (OV5-2)’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1968-081
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1971-0038
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1971-0038
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.