GAOFEN 3, 41727
Orbit data source: Space-Track
GAOFEN 3, 41727 is a payload satellite owned by GWHYZ (CN) in SSO that was launched on Tue, 09 Aug 2016 UTC via a CHANG ZHENG 4C launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft 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.
Focus sentinelFocus sentinel
Request partner network tasking
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
41727 intel report (Beta)
Focus sentinelFocus sentinel
Edit Public Description
Focus sentinelFocus sentinel
Edit Sat Name
Focus sentinelFocus sentinel
Create New Watchlist
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Civil Radar Imaging
Bus & Motor
CS-L3000B, Unknown motor
Mass
~2,779 kg wet, ~2,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 3 Pan, 4.0 m
Radar Cross Section
10.846 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 GAOFEN 3
1 41727U 16049A 26172.52416935 .00000126 00000-0 51315-4 0 9992
2 41727 98.4013 180.2452 0001476 97.9116 262.2242 14.42216237519277Epoch: 2026-06-21T12:34Z
TLE epoch observation values (Epoch: 2026-06-21T12:34:48.231Z)
Latitude
0.00003°
Longitude
81.82103°
Altitude
754.283 km
Speed
7.477 km/s
True Right ascension
12h 00m 58s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
21:39:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
749.352 km
Perigee altitude
747.248 km
Semi-major axis
7,126.437 km
Eccentricity
0.00015
Inclination
98.4013°
RAAN
180.2452°
Arg. of periapsis
97.9116°
True anomaly
262.20744°
Mean anomaly
262.2242°
Eccentric anomaly
262.21582°
Mean motion
3.60773 °/min
Orbital period
99.79 mins
BSTAR
0.000051315
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #49 in the year 2016 (2016-08-09 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.GAOFEN 3 Visibility forecast
Loading observer location...
Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2026-06-22 12:29:15.833Z | 45.739° ENE | 2026-06-22 12:32:15.833Z | 87.322° E | 22.124° | 2026-06-22 12:36:15.833Z | 145.601° SSE |
| 7 mins | 2026-06-22 14:08:15.833Z | 347.29° N | 2026-06-22 14:11:15.833Z | 294.825° NW | 30.631° | 2026-06-22 14:15:15.833Z | 228.674° WSW |
| 6 mins | 2026-06-22 23:42:15.833Z | 113.365° SE | 2026-06-22 23:45:15.833Z | 57.335° ENE | 26.32° | 2026-06-22 23:48:15.833Z | 13.771° NNE |
| 7 mins | 2026-06-23 01:20:15.833Z | 212.085° SW | 2026-06-23 01:23:15.833Z | 260.161° W | 26.166° | 2026-06-23 01:27:15.833Z | 321.068° NNW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in descending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
|---|