LowEarth

DELTA 2 R/B(1)

NORAD 20453· COSPAR 1990-008B· Active satellite· Other / Unclassified· LEO
Launch
Launched on Jan 24, 1990 from Space Launch Complex 17A, United States of America aboard a Delta II 6925.
Delta 6925 | GPS-2 6 →
Live · TLE epoch 2026-10-10 20:38 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
United States Government
Country
United States
Manufacturer
—
Launched
Jan 24, 1990
Mass
—
Apogee
171 km
Perigee
165 km
Inclination
35.58°
Period
87.7 min

Altitude history

Apogee and perigee for DELTA 2 R/B(1) across 135 days of archived orbital elements (137 element sets, one per day).

Trend
Decaying
Change
-186.0 km
Rate
-1.38 km/day
Now
191 × 200 km
310430191May 28Oct 11
Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

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