Latitude
—
YAOGAN-21
NORAD 40143 · COSPAR 2014-053A · ACTIVE
Orbit: #67710 @ 478 x 486 km x 97.1318 deg
CURRENT ORBIT DATA
TLE epoch 2026-11-09 07:03 UTC · 18.3 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 26313.29395751 .00011252 00000-0 41501-3 0 09996
2 40143 97.1318 347.3305 0006080 305.4112 54.6560 15.27927177677103
TLE data & history
🚀 Launch manifest1 40143U 14053A 26313.29395751 .00011252 00000-0 41501-3 0 09996
2 40143 97.1318 347.3305 0006080 305.4112 54.6560 15.27927177677103
Spacecraft info
// UCS Satellite DatabaseLaunch date
September 8th 2014
Spacecraft age
12 years, 2 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
97.1318°
Period
94.25 min
Perigee
478 km
Apogee
486 km
Eccentricity
0.000608
RAAN
347.3305°
Arg of Perigee
305.4112°
Mean Motion
15.27927177 rev/d