CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1977-0377
DELTA 1 R/B
DELTA 1 R/B (NORAD 988) re-entered Earth’s atmosphere on 11 September 1977, after 12 years, 7 months in orbit.
Official date
NORAD number
988
International designator
1965-007B
Object type
Rocket body
Country
United States
Launched
3 Feb 1965Cape Canaveral
Re-entered (UTC)
11 Sep 1977UTC calendar day
Time in orbit
12 years, 7 months4,603 days
How it ended
Re-entered (natural decay)
Latitude range
32.9°N to 32.9°SFinal inclination 32.9°
Mass
64 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 32.9°, allowed a re-entry anywhere between 32.9°N and 32.9°S.
Life in orbit
12 years, 7 monthsDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 11 Sep 1977
3 entriesFrom the same launch
1965-007
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1977-0377
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1977-0377
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.