GP-B

28230
Spacetrack Directory Number
2004-04-20
Orbit launches
631.07 km
Average height
27159.54 km/h
Average velocity


Satellite information GP-B - GRAVITY PROBE B

Spacetrack Directory Name GP-B
Alternative name GRAVITY PROBE B
Follow GP-B GP-B Tracker
Pass predictions GP-B Pass predictions GP-B
Orbit launches 2004-04-20 (22 years ago)
Days in orbit 8160
Country/organisation of origin USA (US)
Starting point AFWTR (Vandenberg Air Force Base, USA)
Perigee 632 km
Apogee 635 km
Orbit slope (inclination) 89.85°
Laps per day 15
Height GP-B 631.07 km

Additional information GP-B

GP-B, 28230 is a payload satellite owned by NASA MSFC (US) in LEO that was launched on Tue, 20 Apr 2004 UTC via a DELTA 7920-10C launch vehicle from the Air Force Western Test Range (AFWTR). 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 GP-B Date of exalting 20.04.2004y. Average height of ISS GP-B hundred 631.07 km. Average velocity GP-B is 27159.54 km/h. Inclination GP-B satellite 89.85°.

TLE



Average orbit height GP-B

Average velocity GP-B

Average inclination GP-B

Mean right ascension of the ascending node (RAAN) GP-B

Mean argument of perigee GP-B

Mean semi-major axis of the orbit GP-B

Mean orbital eccentricity GP-B

Update time: 2026-08-23 20:00:24
Average height of ISS GP-B is: 631.07km
Average velocity GP-B is: 27159.54km/h
Average orbit height GP-B is: 89.85°
GP-B a new group of Starlink satellites has been launched 2004-04-20
GP-B is from 8160 days Days in orbit.