CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2025-0410
DELTA 1 R/B(2)
DELTA 1 R/B(2) (NORAD 10723) re-entered Earth’s atmosphere on 22 February 2025, after 47 years in orbit.
Official date
NORAD number
10723
International designator
1978-012C
Object type
Rocket body
Country
United States
Launched
26 Jan 1978Cape Canaveral
Re-entered (UTC)
22 Feb 2025UTC calendar day
Time in orbit
47 years17,194 days
How it ended
Re-entered (natural decay)
Latitude range
29.2°N to 29.2°SFinal inclination 29.2°
Mass
1,152 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 29.2°, allowed a re-entry anywhere between 29.2°N and 29.2°S.
Life in orbit
47 yearsDELTA 1 R/B(2)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 22 Feb 2025
11 entriesFrom the same launch
1978-012
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2025-0410
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2025-0410
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.