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NAVSTAR 54 (USA 177) (NORAD 28190)

NAVSTAR 54 (USA 177) is a search and rescue satellite (NORAD 28190) in a MEO orbit 19866 by 20497 km above the Earth, circling the planet every 718 minutes. Right now it is over latitude -52.6°, longitude 169.2° at an altitude of 20136 km.

Live position and ground track (past 45 min, next 100 min)

Where is NAVSTAR 54 (USA 177) now?

Latitude: -52.568°
Longitude: 169.155°
Altitude: 20135.8 km
Speed: 3.883 km/s
Footprint radius: 8469 km

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Orbit and identity

28190NORAD catalog number

2004-009AInternational designator

Search and rescueCategory

MEOOrbit class

717.95 minOrbital period

19866 × 20497 kmPerigee × apogee altitude

54.73°Inclination

0.011873Eccentricity

2.0057Revolutions per day

2004Launch year

Orbital elements epoch: 2026-10-28T06:14:37 UTC (2.6 days ago). Positions drift from reality as the elements age; fresh elements are fetched automatically.

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Positions are computed from public orbital elements (CelesTrak / US Space Force 18th SDS) with the SGP4 model and are accurate to a few kilometres; amateur radio data from the SatNOGS DB (CC BY-SA). Not for navigation or safety-critical use. Method and limits · Radio coverage map · Live HF propagation data