CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1974-0222
DELTA 1 R/B
DELTA 1 R/B (NORAD 6978) re-entered Earth’s atmosphere on 14 August 1974, after 7 months in orbit.
Official date
NORAD number
6978
International designator
1973-101B
Object type
Rocket body
Country
United States
Launched
16 Dec 1973Vandenberg
Re-entered (UTC)
14 Aug 1974UTC calendar day
Time in orbit
7 months241 days
How it ended
Re-entered (natural decay)
Latitude range
67.9°N to 67.9°SFinal inclination 67.9°
Mass
771 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 67.9°, allowed a re-entry anywhere between 67.9°N and 67.9°S.
Life in orbit
7 monthsDELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 14 Aug 1974
2 entriesFrom the same launch
1973-101
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1974-0222
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1974-0222
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.