Latitude
—
YAOGAN-21
NORAD 40143 · COSPAR 2014-053A · ACTIVE
Orbit: #67303 @ 477 x 489 km x 97.1353 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-13 15:16 UTC · 21.5 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 26286.63671028 .00005877 00000-0 21990-3 0 09993
2 40143 97.1353 321.8211 0008921 42.3043 317.8883 15.27636695673033
TLE data & history
🚀 Launch manifest1 40143U 14053A 26286.63671028 .00005877 00000-0 21990-3 0 09993
2 40143 97.1353 321.8211 0008921 42.3043 317.8883 15.27636695673033
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
97.1353°
Period
94.26 min
Perigee
477 km
Apogee
489 km
Eccentricity
0.0008921
RAAN
321.8211°
Arg of Perigee
42.3043°
Mean Motion
15.27636695 rev/d