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SPARK 2, 41901

Orbit data source: Space-Track

SPARK 2, 41901 is a payload satellite owned by SECM (CN) in SSO that was launched on Wed, 21 Dec 2016 UTC via a CHANG ZHENG 2D launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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/41901?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/41901?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41901, 2016-081D

Orbit

SSO

Country

CN / PRC

Related business

Shanghai Engineering Center for Microsatellites, SIMIT (CN)

Manufacturer

SECM

Mission

Operational Civil Imaging

Bus & Motor

SPARK, Unknown motor

Mass

43 kg wet, 43 kg dry

Launch date (UTC)

2016-12-21 (10 years ago)

Launch vehicle

CHANG ZHENG 2D

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.5 m

Radar Cross Section

0.388 m², Medium (>0.1 m² and < 1m²)

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

TLE from 2 days ago

0 SPARK 2
1 41901U 16081D   26171.42523854  .00000372  00000-0  89393-4 0  9999
2 41901  98.5489 161.2939 0024414 316.6961  43.2318 14.59167736504591

Epoch: 2026-06-20T10:12Z

TLE epoch observation values (Epoch: 2026-06-20T10:12:20.609Z)

Latitude

-0.00007°

Longitude

99.56799°

Altitude

686.27 km

Speed

7.52 km/s

True Right ascension

10h 45m 10s

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

21:39:02

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

710.225 km

Perigee altitude

675.698 km

Semi-major axis

7,071.098 km

Eccentricity

0.00244

Inclination

98.5489°

RAAN

161.2939°

Arg. of periapsis

316.6961°

True anomaly

43.42385°

Mean anomaly

43.2318°

Eccentric anomaly

43.32778°

Mean motion

3.65017 °/min

Orbital period

98.63 mins

BSTAR

0.000089393

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Other satellites on launch #81 in the year 2016 (2016-12-21 UTC)

CZ-2D R/B, 41902 (Decayed)

TANSAT, 41898

SPARK 1, 41900

YIJIAN, 41899

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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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SPARK 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.
8 mins	2026-06-22 12:08:59.958Z	17.349° NNE	2026-06-22 12:12:59.958Z	92.242° ESE	44.192°	2026-06-22 12:16:59.958Z	188.25° SSW
7 mins	2026-06-22 23:13:59.958Z	159.091° S	2026-06-22 23:16:59.958Z	74.574° E	44.49°	2026-06-22 23:20:59.958Z	349.772° N

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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 SPARK 2, 41901 on other resources

View SPARK 2, 41901 on NASA - NSSDCA Website

View SPARK 2, 41901 on Heavens-Above

View SPARK 2, 41901 on Keep Track

View SPARK 2, 41901 on Celestrak

View SPARK 2, 41901 on Gunter's Space Page

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

SPARK 2, 41901

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: 2026-06-20T10:12:20.609Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #81 in the year 2016 (2016-12-21 UTC)

SPARK 2 Visibility forecast

Co-orbital & Co-planar RSOs

Check out SPARK 2, 41901 on other resources

Documentation

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