CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1978-0519
THOR DELTA 1 R/B(1)
THOR DELTA 1 R/B(1) (NORAD 7467) re-entered Earth’s atmosphere on 23 December 1978, after 4 years, 2 months in orbit.
Official date
NORAD number
7467
International designator
1974-075B
Object type
Rocket body
Country
United States
Launched
10 Oct 1974Cape Canaveral
Re-entered (UTC)
23 Dec 1978UTC calendar day
Time in orbit
4 years, 2 months1,535 days
How it ended
Re-entered (natural decay)
Latitude range
27.2°N to 27.2°SFinal inclination 27.2°
Mass
845 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 27.2°, allowed a re-entry anywhere between 27.2°N and 27.2°S.
Life in orbit
4 years, 2 monthsTHOR DELTA 1 R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 23 Dec 1978
4 entriesFrom the same launch
1974-075
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1978-0519
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1978-0519
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.