● ORBIT ING-NOW

SHIYAN-4

NORAD 37931 · COSPAR 2011-068B · ACTIVE
Orbit: #77583 @ 771 x 805 km x 98.6916 deg
CURRENT ORBIT DATA
TLE epoch 2026-10-13 14:43 UTC · 14.6 h old

Orbit history

// altitude & velocity from orbital-data archive
Trend: —
Altitude —
Velocity —

Next visible passes

// click to check

Current TLE

// onowactive
SHIYAN-4 (SY-4)
1 37931U 11068B 26286.61366360 .00000124 00000-0 63653-4 0 09998
2 37931 98.6916 305.7238 0023356 155.7497 318.4515 14.31162621775833
TLE data & history 🚀 Launch manifest

Spacecraft info

// UCS Satellite Database
Launch date
November 20th 2011
Spacecraft age
14 years, 10 months
Distance travelled
—
Expected lifetime
—
Operator
China Academy of Space Technology (CAST)
Purpose
Earth Observation
Orbit class
LEO · Sun-Synchronous
Launch site
Jiuquan Satellite Launch Center
Launch vehicle
Long March 2D
Contractor
CAST/DFH Satellite Co. Ltd./HIT
Launch mass
300 kg
Power
—

Orbit elements

// from current orbital elements
Inclination
98.6916°
Period
100.62 min
Perigee
771 km
Apogee
805 km
Eccentricity
0.0023356
RAAN
305.7238°
Arg of Perigee
155.7497°
Mean Motion
14.31162621 rev/d