Latitude
—
YAOGAN-21
NORAD 40143 · COSPAR 2014-053A · ACTIVE
Orbit: #67405 @ 477 x 488 km x 97.1354 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-20 07:37 UTC · 15.7 h old
Orbit history
// altitude & velocity from orbital-data archiveTrend: —
Altitude —
Velocity —
Next visible passes
// click to checkCurrent TLE
// onowactive
YAOGAN-21
1 40143U 14053A 26293.31783840 .00004273 00000-0 16029-3 0 09998
2 40143 97.1354 328.2148 0008268 21.6685 338.4903 15.27711076674052
TLE data & history
🚀 Launch manifest1 40143U 14053A 26293.31783840 .00004273 00000-0 16029-3 0 09998
2 40143 97.1354 328.2148 0008268 21.6685 338.4903 15.27711076674052
Spacecraft info
// UCS Satellite DatabaseLaunch date
September 8th 2014
Spacecraft age
12 years, 1 months
Distance travelled
—
Expected lifetime
—
Operator
Chinese Ministry of National Defense
Purpose
Earth Observation
Orbit class
LEO · Sun-Synchronous
Launch site
Taiyuan Launch Center
Launch vehicle
Long March 4B
Contractor
China Academy of Space Technology (CAST)
Launch mass
â
Power
â
Orbit elements
// from current orbital elementsInclination
97.1354°
Period
94.26 min
Perigee
477 km
Apogee
488 km
Eccentricity
0.0008268
RAAN
328.2148°
Arg of Perigee
21.6685°
Mean Motion
15.27711076 rev/d