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.
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31115 intel report (Beta)
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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: 4 days ago
TLE from 4 days ago
0 BEIDOU 2
1 31115U 07011A 26169.50719026 .00000025 00000-0 00000-0 0 9991
2 31115 50.9302 219.2344 0001760 332.5646 27.5055 1.77349429 76171Epoch: 2026-06-18T12:10Z
TLE epoch observation values (Epoch: 2026-06-18T12:10:21.238Z)
Latitude
-0.00001°
Longitude
129.91335°
Altitude
22,447.791 km
Speed
3.719 km/s
True Right ascension
14h 37m 00s
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
23:21:49
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
22,457.367 km
Perigee altitude
22,447.219 km
Semi-major axis
28,830.43 km
Eccentricity
0.00018
Inclination
50.9302°
RAAN
219.2344°
Arg. of periapsis
332.5646°
True anomaly
27.51482°
Mean anomaly
27.5055°
Eccentric anomaly
27.51016°
Mean motion
0.44337 °/min
Orbital period
811.96 mins
BSTAR
0
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Other satellites on launch #11 in the year 2007 (2007-04-13 UTC)
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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
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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. |
|---|---|---|---|---|---|---|---|
| 330 mins | 2026-06-22 13:13:30.125Z | 308.016° NW | 2026-06-22 15:57:30.125Z | 270.519° WNW | 37.724° | 2026-06-22 18:43:30.125Z | 209.175° SW |
| 272 mins | 2026-06-22 23:50:30.125Z | 130.751° SE | 2026-06-23 02:09:30.125Z | 80.309° E | 31.115° | 2026-06-23 04:22:30.125Z | 44.992° NE |
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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 |
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