CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
Entry no.
1992-0007
DELTA 2 R/B
DELTA 2 R/B (NORAD 20639) re-entered Earth’s atmosphere on 15 January 1992, after 1 year, 7 months in orbit.
Official date
NORAD number
20639
International designator
1990-049B
Object type
Rocket body
Country
United States
Launched
1 Jun 1990Cape Canaveral
Re-entered (UTC)
15 Jan 1992UTC calendar day
Time in orbit
1 year, 7 months593 days
How it ended
Re-entered (natural decay)
Latitude range
52.5°N to 52.5°SFinal inclination 52.5°
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 52.5°, allowed a re-entry anywhere between 52.5°N and 52.5°S.
Life in orbit
1 year, 7 monthsDELTA 2 R/B’s lowest and highest points above Earth, week by week, from its tracking history.
From the same launch
1990-049
Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1992-0007
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.
Record version 1 · No corrections · orbitalradar.com/register/1992-0007
© 2026 Orbital Radar. Cite this entry by its number; the register itself may not be copied.