CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0427
ISEE 2
ISEE 2 (NORAD 10423) re-entered Earth’s atmosphere on 26 September 1987, after 9 years, 11 months in orbit.
Official date
NORAD number
10423
International designator
1977-102B
Object type
Spacecraft
Country
European Space Agency
Launched
22 Oct 1977Cape Canaveral
Re-entered (UTC)
26 Sep 1987UTC calendar day
Time in orbit
9 years, 11 months3,626 days
How it ended
Re-entered (natural decay)
Latitude range
8.7°N to 8.7°SFinal inclination 8.7°
Mass
165 kg
Operator
ESA
Built by
Dornier/Fried.
Bus
ISEE-DTR
Programme
ESA ISEE
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 8.7°, allowed a re-entry anywhere between 8.7°N and 8.7°S.
Life in orbit
9 years, 11 monthsISEE 2’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 26 Sep 1987
2 entriesFrom the same launch
1977-102
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0427
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0427
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.