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TDRS 5

NORAD 21639 · 1991-054B

PAYLOAD ACTIVE UNKNOWN

§ Identity

Operator
—
Country
US
Launch date
1991-08-02
Launch site
AFETR
Launch vehicle
—
Mass (kg)
—
RCS (m²)
20.86

Purposes: comms

External: N2YO · Heavens-Above · Gunter

§ Orbital elements

Epoch: 2026-09-27T06:43:47.926848Z

Period
1,436.16 min
Inclination
14.0597°
Eccentricity
0.0009438
Mean motion
1.00267479 rev/d
Perigee alt
35,748.0 km
Apogee alt
35,827.6 km
Semi-major
42,165.9 km
B*
0.0000e+0
RAAN
353.0083°
Arg perigee
248.3762°
Mean anomaly
58.1072°
Rev number
12,873

§ Raw data

TDRS 51 21639U 91054B   26270.28041582  .00000092  00000+0  00000+0 0  99962 21639  14.0597 353.0083 0009438 248.3762  58.1072  1.00267479128737

JSON: /api/v1/satellites/21639 · /tle

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