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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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<iframe src="https://www.satcat.com/sats-embedded/41315?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

https://www.satcat.com/sats-embedded/41315?theme=dark&initialShowStats=false

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Identifier

41315, 2016-006A

Orbit

MEO

Country

CN / PRC

Related business

China National Space Administration (CN)

Manufacturer

SECM

Mission

Non-operational Defense Navigation

Bus & Motor

BD-3M2, Unknown motor

Mass

1,014 kg wet, ~850 kg dry

Launch date (UTC)

2016-02-01 (11 years ago)

Launch vehicle

CHANG ZHENG 3C/YZ-1

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 5.0 m

Radar Cross Section

8.984 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 2 days ago

TLE from 2 days ago

0 BD-21
1 41315U 16006A   26285.08847711 -.00000057  00000-0  00000-0 0  9999
2 41315  56.8133  59.7975 0002538 287.4850  72.4690  1.86230918 72775

Epoch: 2026-10-12T02:07Z

TLE epoch observation values (Epoch: 2026-10-12T02:07:24.422Z)

Latitude

0.00001°

Longitude

7.25049°

Altitude

21,526.242 km

Speed

3.78 km/s

True Right ascension

03h 59m 05s

True Declination

0° 00' 00"

Sunlit

Object was in daylight at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

19:15:05

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

21,535.08 km

Perigee altitude

21,520.914 km

Semi-major axis

27,906.134 km

Eccentricity

0.00025

Inclination

56.8133°

RAAN

59.7975°

Arg. of periapsis

287.485°

True anomaly

72.49674°

Mean anomaly

72.469°

Eccentric anomaly

72.48287°

Mean motion

0.46558 °/min

Orbital period

773.23 mins

BSTAR

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Other satellites on launch #6 in the year 2016 (2016-02-01 UTC)

YZ-1 R/B, 41316

CZ-3C R/B, 41325 (Decayed)

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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.

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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.
217 mins	2026-10-14 05:34:12.958Z	114.445° SE	2026-10-14 07:25:12.958Z	69.653° E	31.388°	2026-10-14 09:11:12.958Z	35.176° NE
199 mins	2026-10-14 21:26:12.958Z	323.983° NNW	2026-10-14 23:17:12.958Z	288.071° WNW	34.004°	2026-10-15 00:45:12.958Z	249.661° W

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Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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Check out BD-21, 41315 on other resources

View BD-21, 41315 on NASA - NSSDCA Website

View BD-21, 41315 on Heavens-Above

View BD-21, 41315 on Keep Track

View BD-21, 41315 on Celestrak

View BD-21, 41315 on Gunter's Space Page

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

BD-21, 41315

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-10-12T02:07:24.422Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #6 in the year 2016 (2016-02-01 UTC)

BD-21 Visibility forecast

Co-orbital & Co-planar RSOs

Check out BD-21, 41315 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago