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: 2 days ago
TLE from 2 days ago
0 BD-21
1 41315U 16006A 26295.29064321 -.00000015 00000-0 00000-0 0 9995
2 41315 56.8218 59.4632 0002735 281.9917 77.9726 1.86231255 72964Epoch: 2026-10-22T06:58Z
TLE epoch observation values (Epoch: 2026-10-22T06:58:31.573Z)
Latitude
-0.00003°
Longitude
-75.91606°
Altitude
21,526.752 km
Speed
3.78 km/s
True Right ascension
03h 57m 46s
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
11:43:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
21,535.595 km
Perigee altitude
21,520.331 km
Semi-major axis
27,906.1 km
Eccentricity
0.00027
Inclination
56.8218°
RAAN
59.4632°
Arg. of periapsis
281.9917°
True anomaly
78.00325°
Mean anomaly
77.9726°
Eccentric anomaly
77.98793°
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. |
|---|---|---|---|---|---|---|---|
| 33 mins | 2026-10-24 16:31:16.297Z | 104.17° ESE | 2026-10-24 16:31:16.297Z | 104.17° ESE | 19.597° | 2026-10-24 17:04:16.297Z | 114.537° SE |
| 265 mins | 2026-10-25 12:06:16.297Z | 241.604° WSW | 2026-10-25 16:19:16.297Z | 34.958° NE | 72.018° | 2026-10-25 16:31:16.297Z | 51.652° ENE |
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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