NAVSTAR 55 (USA 178) 🛰 - GPS BIIR-12, SVN 60 - Satellite information • ISS Tracker

NAVSTAR 55 (USA 178)

28361

Spacetrack Directory Number

2004-06-23

Orbit launches

20192.56 km

Average height

13945.32 km/h

Average velocity

Satellite information NAVSTAR 55 (USA 178) - GPS BIIR-12, SVN 60

Spacetrack Directory Name	NAVSTAR 55 (USA 178)
Alternative name	GPS BIIR-12, SVN 60
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Orbit launches	2004-06-23 (22 years ago)
Days in orbit	8107
Country/organisation of origin	USA (US)
Starting point	AFETR (Kennedy Space Center/Cape Canaveral, USA)
Categories
Perigee	19813 km
Apogee	20551 km
Orbit slope (inclination)	54.92°
Laps per day	2
Orbit	MEO (Non-Polar Inclined)
Height NAVSTAR 55 (USA 178)	20192.56 km

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Additional information NAVSTAR 55 (USA 178)

NAVSTAR 55 (USA 178), 28361 is a payload satellite owned by USAF SMC (US) in MEO that was launched on Wed, 23 Jun 2004 UTC via a DELTA 7925-9.5 launch vehicle from the Air Force Eastern Test Range (AFETR). Payloads include a variety of satellites, spacecraft, and rockets equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

satellite NAVSTAR 55 (USA 178) Date of exalting 23.06.2004y. Average height of ISS NAVSTAR 55 (USA 178) hundred 20192.56 km. Average velocity NAVSTAR 55 (USA 178) is 13945.32 km/h. Inclination NAVSTAR 55 (USA 178) satellite 54.79°.

TLE

TLE (Spacetrack, 2026-09-02):

NAVSTAR 55 (USA 178)
1 28361U 04023A   26245.16952329  .00000007  00000-0  00000-0 0  9992
2 28361  54.9197  83.6024 0158698 303.9254 233.2729  2.00560418162589

OMM (Orbit Mean-Elements Message, 2026-09-03):

{"OBJECT_NAME":"NAVSTAR 55 (USA 178)","OBJECT_ID":"2004-023A","EPOCH":"2026-09-02T04:04:06.812256","MEAN_MOTION":"2.0056041800000002","ECCENTRICITY":"0.015869830000000001","INCLINATION":"54.919699999999999","RA_OF_ASC_NODE":"83.602400000000003","ARG_OF_PERICENTER":"303.92540000000002","MEAN_ANOMALY":"233.27289999999999","EPHEMERIS_TYPE":"0","CLASSIFICATION_TYPE":"U","NORAD_CAT_ID":"28361","ELEMENT_SET_NO":"999","REV_AT_EPOCH":"16258","BSTAR":"0","MEAN_MOTION_DOT":"7.0000000000000005E-8","MEAN_MOTION_DDOT":"0"}

Show JSON

ISS height, average height of ISS NAVSTAR 55 (USA 178) for today will be available tomorrow.

Average orbit height NAVSTAR 55 (USA 178)

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Average velocity NAVSTAR 55 (USA 178)

Average inclination NAVSTAR 55 (USA 178)

Mean right ascension of the ascending node (RAAN) NAVSTAR 55 (USA 178)

Mean argument of perigee NAVSTAR 55 (USA 178)

Mean semi-major axis of the orbit NAVSTAR 55 (USA 178)

Mean orbital eccentricity NAVSTAR 55 (USA 178)

Update time: 2026-09-02 20:00:24

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NAVSTAR 55 (USA 178)