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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Edit Public Description
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: 18 hours ago
TLE from 18 hours ago
0 BEIDOU 2
1 31115U 07011A 25259.91947317 -.00000002 00000-0 00000-0 0 9997
2 31115 51.0343 228.3606 0002122 334.7521 25.2050 1.77349222 71300Epoch: 2025-09-16T22:04Z
TLE epoch observation values (Epoch: 2025-09-16T22:04:02.481Z)
Latitude
-0.00001°
Longitude
-98.76274°
Altitude
22,446.79 km
Speed
3.719 km/s
True Right ascension
15h 13m 24s
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
09:19:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
22,458.429 km
Perigee altitude
22,446.193 km
Semi-major axis
28,830.448 km
Eccentricity
0.00021
Inclination
51.0343°
RAAN
228.3606°
Arg. of periapsis
334.7521°
True anomaly
25.21536°
Mean anomaly
25.205°
Eccentric anomaly
25.21018°
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. |
|---|---|---|---|---|---|---|---|
| 497 mins | 2025-09-18 00:25:11.270Z | 224.888° SW | 2025-09-18 04:38:11.270Z | 5.713° NNE | 44.113° | 2025-09-18 08:42:11.270Z | 138.866° SSE |
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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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