BD-21, 41315
Orbit data source: Space-Track
BD-21, 41315 is a payload satellite owned by CNSA (CN) in MEO that was launched on Mon, 01 Feb 2016 UTC via a CHANG ZHENG 3C/YZ-1 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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41315 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SECM
Mission
Non-operational Defense Navigation
Bus & Motor
BD-3M2, Unknown motor
Mass
1,014 kg wet, ~850 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 5.0 m
Radar Cross Section
8.984 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 4 days ago
TLE from 4 days ago
0 BD-21
1 41315U 16006A 26169.10609676 -.00000054 00000-0 00000+0 0 9995
2 41315 56.7067 63.6088 0003919 311.9784 48.0296 1.86230724 70619Epoch: 2026-06-18T02:32Z
TLE epoch observation values (Epoch: 2026-06-18T02:32:46.760Z)
Latitude
0.00001°
Longitude
119.07811°
Altitude
21,521.099 km
Speed
3.78 km/s
True Right ascension
04h 14m 30s
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
21:24:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
21,538.957 km
Perigee altitude
21,517.084 km
Semi-major axis
27,906.157 km
Eccentricity
0.00039
Inclination
56.7067°
RAAN
63.6088°
Arg. of periapsis
311.9784°
True anomaly
48.063°
Mean anomaly
48.0296°
Eccentric anomaly
48.0463°
Mean motion
0.46558 °/min
Orbital period
773.23 mins
BSTAR
0
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Other satellites on launch #6 in the year 2016 (2016-02-01 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.BD-21 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. |
|---|---|---|---|---|---|---|---|
| 393 mins | 2026-06-22 23:34:57.783Z | 282.91° WNW | 2026-06-23 03:13:57.783Z | 247.001° WSW | 44.949° | 2026-06-23 06:07:57.783Z | 175.77° S |
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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