CERTIFICATE OF RE-ENTRYOrbital Register™ · by Orbital Radar™
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Entry no.
1990-0325

DELTA 1 R/B

DELTA 1 R/B (NORAD 20644) re-entered Earth’s atmosphere on 12 July 1990, after 1 month in orbit.

Official date
NORAD number
20644
International designator
1990-051B
Object type
Rocket body
Country
United States
Launched
12 Jun 1990Cape Canaveral
Re-entered (UTC)
12 Jul 1990UTC calendar day
Time in orbit
1 month30 days
How it ended
Re-entered (natural decay)
Latitude range
27.3°N to 27.3°SFinal inclination 27.3°
Mass
6,930 kg

Where it came down

Latitude band its orbit allowed
Exact position not recorded

No position was recorded for this re-entry. Its final orbit, inclined at 27.3°, allowed a re-entry anywhere between 27.3°N and 27.3°S.

Life in orbit

1 month

DELTA 1 R/B’s lowest and highest points above Earth, week by week, from its tracking history.

Also ended on 12 Jul 1990

2 entries
1990-0324SL-8 R/B1990-0326SL-4 R/B

From the same launch

1990-051
1990-0402INSAT 1D R/B(PAM-D)
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Entered in the Orbital Register™, founding volume, September 2026.
Record version 1 · No corrections · orbitalradar.com/register/1990-0325
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