CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2001-0297
DELTA R/B(1)
DELTA R/B(1) (NORAD 13985) re-entered Earth’s atmosphere on 18 October 2001, after 18 years, 6 months in orbit.
Official date
NORAD number
13985
International designator
1983-030B
Object type
Rocket body
Country
United States
Launched
11 Apr 1983Cape Canaveral
Re-entered (UTC)
18 Oct 2001UTC calendar day
Time in orbit
18 years, 6 months6,765 days
How it ended
Re-entered (natural decay)
Latitude range
25.3°N to 25.3°SFinal inclination 25.3°
Mass
6,930 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 25.3°, allowed a re-entry anywhere between 25.3°N and 25.3°S.
Life in orbit
18 years, 6 monthsDELTA R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 18 Oct 2001
2 entriesFrom the same launch
1983-030
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2001-0297
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2001-0297
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.