BEIDOU 2, 31115
Orbit data source: Space-Track
BEIDOU 2, 31115 is a payload satellite owned by CNSA (CN) that was launched on Fri, 13 Apr 2007 UTC via a CHANG ZHENG 3A launch vehicle from the Xichang Space Center, China (XSC). 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
31115 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
Non-operational Defense Navigation
Bus & Motor
DFH-3, FY-25
Mass
2,320 kg wet, 1,300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 9.0 m
Radar Cross Section
13.998 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 1 day ago
TLE from 1 day ago
0 BEIDOU 2
1 31115U 07011A 26258.59286311 .00000006 00000-0 00000-0 0 9994
2 31115 50.9062 216.2752 0002564 346.8933 13.0669 1.77349401 77750Epoch: 2026-09-15T14:13Z
TLE epoch observation values (Epoch: 2026-09-15T14:13:43.372Z)
Latitude
0.00001°
Longitude
8.27251°
Altitude
22,445.098 km
Speed
3.719 km/s
True Right ascension
14h 25m 02s
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
11:09:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
22,459.689 km
Perigee altitude
22,444.905 km
Semi-major axis
28,830.434 km
Eccentricity
0.00026
Inclination
50.9062°
RAAN
216.2752°
Arg. of periapsis
346.8933°
True anomaly
13.07354°
Mean anomaly
13.0669°
Eccentric anomaly
13.07022°
Mean motion
0.44337 °/min
Orbital period
811.96 mins
BSTAR
0
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 #11 in the year 2007 (2007-04-13 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.BEIDOU 2 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. |
|---|---|---|---|---|---|---|---|
| 129 mins | 2026-09-16 18:27:23.388Z | 83.284° E | 2026-09-16 19:11:23.388Z | 67.017° ENE | 20.878° | 2026-09-16 20:36:23.388Z | 41.602° NE |
| 216 mins | 2026-09-17 10:02:23.388Z | 317.869° NNW | 2026-09-17 11:46:23.388Z | 287.817° WNW | 26.635° | 2026-09-17 13:38:23.388Z | 248.12° W |
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 |
|---|