CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1987-0611
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 13915) re-entered Earth’s atmosphere on 23 December 1987, after 9 years in orbit.
Official date
NORAD number
13915
International designator
1978-116C
Object type
Rocket body
Country
United States
Launched
16 Dec 1978Cape Canaveral
Re-entered (UTC)
23 Dec 1987UTC calendar day
Time in orbit
9 years3,294 days
How it ended
Re-entered (natural decay)
Latitude range
26.9°N to 26.9°SFinal inclination 26.9°
Mass
1,123 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 26.9°, allowed a re-entry anywhere between 26.9°N and 26.9°S.
Life in orbit
9 yearsDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Dec 1987
3 entriesFrom the same launch
1978-116
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1987-0611
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1987-0611
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.