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TMinusZero
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TDRS 5 (NORAD 21639) | T-Minus Zero
Satellite
TDRS 5
1991-054B
NORAD 21639
United States (US)
Ops: +
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Catalog
Owner
United States (US)
Object type
PAY
Launch site
AFETR
Launch designator
1991-054
Period
1436.18 min
Inclination
14.08°
Altitude
35,742 km → 35,834 km
RCS
20.861 m²
SATCAT updated
2026-06-12T06:11:07.118+00:00
Groups
active
geo
tdrss
Orbit (latest)
Epoch
2026-06-12T05:33:25.964928+00:00
Inclination
14.0719°
RAAN
353.8145°
Eccentricity
0.0006345
Mean motion
1.002723 rev/day
Source
gp
Fetched
2026-06-13T06:11:22.855+00:00