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: 2026-09-12T12:37:39.834336Z
- Period
- 1,435.99 min
- Inclination
- 14.0611°
- Eccentricity
- 0.0009253
- Mean motion
- 1.00279586 rev/d
- Perigee alt
- 35,745.4 km
- Apogee alt
- 35,823.4 km
- Semi-major
- 42,162.5 km
- B*
- 0.0000e+0
- RAAN
- 353.1229°
- Arg perigee
- 251.9772°
- Mean anomaly
- 128.3832°
- Rev number
- 12,859
§ Raw data
TDRS 51 21639U 91054B 26255.52615549 .00000075 00000+0 00000+0 0 99972 21639 14.0611 353.1229 0009253 251.9772 128.3832 1.00279586128593
JSON: /api/v1/satellites/21639 · /tle
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