SBIRS GEO-4 (USA 273)
NORAD 41937 · 2017-004A
PAYLOAD ACTIVE UNKNOWN
§ Identity
- Operator
- —
- Country
- US
- Launch date
- 2017-01-21
- Launch site
- AFETR
- Launch vehicle
- —
- Mass (kg)
- —
- RCS (m²)
- —
Purposes: comms
External: N2YO · Heavens-Above · Gunter
§ Orbital elements
Epoch: 2026-09-27T02:46:52.345632Z
- Period
- 1,436.10 min
- Inclination
- 2.4414°
- Eccentricity
- 0.0001993
- Mean motion
- 1.00271420 rev/d
- Perigee alt
- 35,778.3 km
- Apogee alt
- 35,795.1 km
- Semi-major
- 42,164.8 km
- B*
- 0.0000e+0
- RAAN
- 45.5526°
- Arg perigee
- 131.6933°
- Mean anomaly
- 209.2135°
- Rev number
- 3,561
§ Raw data
SBIRS GEO-4 (USA 273)1 41937U 17004A 26270.11588363 -.00000160 00000+0 00000+0 0 99942 41937 2.4414 45.5526 0001993 131.6933 209.2135 1.00271420 35610
JSON: /api/v1/satellites/41937 · /tle
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