CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1973-0126
DELTA 1 R/B(1)
DELTA 1 R/B(1) (NORAD 6279) re-entered Earth’s atmosphere on 7 May 1973, after 5 months in orbit.
Official date
NORAD number
6279
International designator
1972-090B
Object type
Rocket body
Country
United States
Launched
10 Nov 1972Cape Canaveral
Re-entered (UTC)
7 May 1973UTC calendar day
Time in orbit
5 months178 days
How it ended
Re-entered (natural decay)
Latitude range
28.5°N to 28.5°SFinal inclination 28.5°
Mass
756 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 28.5°, allowed a re-entry anywhere between 28.5°N and 28.5°S.
Life in orbit
5 monthsDELTA 1 R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 7 May 1973
92 entriesFrom the same launch
1972-090
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1973-0126
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1973-0126
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.