STTW-4

20473
Spacetrack Directory Number
1990-02-04
Orbit launches
35791.58 km
Average height
11068.32 km/h
Average velocity


Satellite information STTW-4

Spacetrack Directory Name STTW-4
Alternative name SHIYAN TONGBU TONGXING WEIXING 4, DONG FANG HONG-2A 4, DFH-2A 4, CHINASAT 3, ZHONGXING 3, ZX 3
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Orbit launches 1990-02-04 (36 years ago)
Days in orbit 13377
Country/organisation of origin Chiny (PRC)
Starting point XICLF (Xichang Launch Facility, China)
Perigee 35768 km
Apogee 35816 km
Orbit slope (inclination) 14.11°
Laps per day 1
Height STTW-4 35791.58 km

Additional information STTW-4

STTW-4, 20473 is a payload satellite owned by Chinasat (CN) in GEO that was launched on Sun, 04 Feb 1990 UTC via a CHANG ZHENG 3 launch vehicle from the Xichang Space Center, China (XSC). 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 STTW-4 Date of exalting 04.02.1990y. Average height of ISS STTW-4 hundred 35791.58 km. Average velocity STTW-4 is 11068.32 km/h. Inclination STTW-4 satellite 14.12°.

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Average orbit height STTW-4

Average velocity STTW-4

Average inclination STTW-4

Mean right ascension of the ascending node (RAAN) STTW-4

Mean argument of perigee STTW-4

Mean semi-major axis of the orbit STTW-4

Mean orbital eccentricity STTW-4

Update time: 2026-09-20 19:50:19
Average height of ISS STTW-4 is: 35791.58km
Average velocity STTW-4 is: 11068.32km/h
Average orbit height STTW-4 is: 14.12°
STTW-4 a new group of Starlink satellites has been launched 1990-02-04
STTW-4 is from 13377 days Days in orbit.