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: 2 days ago
TLE from 2 days ago
0 BEIDOU 2
1 31115U 07011A 26077.60197239 .00000013 00000-0 00000-0 0 9993
2 31115 50.9641 222.2874 0002127 31.9799 327.9746 1.77349191 74545Epoch: 2026-03-18T14:26Z
TLE epoch observation values (Epoch: 2026-03-18T14:26:50.414Z)
Latitude
-0.00005°
Longitude
-170.60397°
Altitude
22,447.124 km
Speed
3.719 km/s
True Right ascension
14h 49m 04s
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
20:13:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
22,458.45 km
Perigee altitude
22,446.185 km
Semi-major axis
28,830.454 km
Eccentricity
0.00021
Inclination
50.9641°
RAAN
222.2874°
Arg. of periapsis
31.9799°
True anomaly
327.96167°
Mean anomaly
327.9746°
Eccentric anomaly
327.96814°
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. |
|---|---|---|---|---|---|---|---|
| 395 mins | 2026-03-21 08:46:34.624Z | 187.147° SSW | 2026-03-21 12:02:34.624Z | 115.673° SE | 44.799° | 2026-03-21 15:21:34.624Z | 76.654° E |
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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