CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
2007-0129
DELTA 2 R/B
DELTA 2 R/B (NORAD 31599) re-entered Earth’s atmosphere on 16 August 2007, after 2 months in orbit.
Official date
NORAD number
31599
International designator
2007-023B
Object type
Rocket body
Country
United States
Launched
8 Jun 2007Vandenberg
Re-entered (UTC)
16 Aug 2007UTC calendar day
Time in orbit
2 months69 days
How it ended
Re-entered (natural decay)
Latitude range
81.7°N to 81.7°SFinal inclination 98.3°
Mass
6,930 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 98.3°, allowed a re-entry anywhere between 81.7°N and 81.7°S.
Life in orbit
2 monthsDELTA 2 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
Also ended on 16 Aug 2007
1 entry
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/2007-0129
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/2007-0129
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.