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TMinusZero
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USA 81 (NORAD 21949) | T-Minus Zero
Satellite
USA 81
1992-023A
NORAD 21949
United States (US)
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Catalog
Owner
United States (US)
Object type
PAY
Launch site
AFWTR
Launch designator
1992-023
Period
100.53 min
Inclination
85.01°
Altitude
782 km → 786 km
SATCAT updated
2026-05-26T06:11:15.881+00:00
Groups
visual
Orbit (latest)
Epoch
2026-06-09T04:06:59.259744+00:00
Inclination
85.0077°
RAAN
78.6335°
Eccentricity
0.0002755
Mean motion
14.323960 rev/day
Source
gp
Fetched
2026-06-09T12:11:31.263+00:00