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Object data
NAVSTAR 77 (USA 289)
Check the current position, flight trajectory and orbital parameters for NAVSTAR 77 (USA 289) (NORAD 43873). Find out when it will be visible in the sky.
NORAD 43873Active satellitesOrbit
Orbital data
Catalog facts
- Name
- NAVSTAR 77 (USA 289)
- NORAD ID
- 43873
- Category
- Active satellites
- TLE epoch
- Aug 18, 2026, 01:53 UTC
- Object ID
- 2018-109A
- Object type
- Payload
- Owner
- United States
- Launch site
- Air Force Eastern Test Range, Florida, USA
- Launch date
- 2018-12-23
- Operational status
- Active
- Orbit type
- Orbit
- Orbit center
- Earth
Orbital parameters
Orbit profile
Inclination55.7212°
Eccentricity0.0039
Mean motion2.0056 rev/day
Orbital period718.0 min
Perigee20077.5 km
Apogee20286.8 km
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