CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1967-0098
DELTA 1 R/B(1)
DELTA 1 R/B(1) (NORAD 2640) re-entered Earth’s atmosphere on 13 April 1967, after 3 months in orbit.
Official date
NORAD number
2640
International designator
1967-001B
Object type
Rocket body
Country
United States
Launched
11 Jan 1967Cape Canaveral
Re-entered (UTC)
13 Apr 1967UTC calendar day
Time in orbit
3 months92 days
How it ended
Re-entered (natural decay)
Latitude range
28.7°N to 28.7°SFinal inclination 28.7°
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 28.7°, allowed a re-entry anywhere between 28.7°N and 28.7°S.
Life in orbit
3 monthsDELTA 1 R/B(1)’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 13 Apr 1967
2 entries
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1967-0098
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1967-0098
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.