CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1969-0315
DELTA 1 R/B
DELTA 1 R/B (NORAD 4001) re-entered Earth’s atmosphere on 1 December 1969, after 5 months in orbit.
Official date
NORAD number
4001
International designator
1969-056B
Object type
Rocket body
Country
United States
Launched
29 Jun 1969Cape Canaveral
Re-entered (UTC)
1 Dec 1969UTC calendar day
Time in orbit
5 months155 days
How it ended
Re-entered (natural decay)
Latitude range
33.5°N to 33.5°SFinal inclination 33.5°
Mass
785 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 33.5°, allowed a re-entry anywhere between 33.5°N and 33.5°S.
Life in orbit
5 monthsDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 1 Dec 1969
1 entryFrom the same launch
1969-056
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1969-0315
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1969-0315
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.