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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: 7 hours ago

TLE from 7 hours ago

0 SPARK 2
1 41901U 16081D   26264.88688721  .00000351  00000-0  84706-4 0  9997
2 41901  98.5586 257.5804 0025903  28.7110 331.5508 14.59249080518222

Epoch: 2026-09-21T21:17Z

TLE epoch observation values (Epoch: 2026-09-21T21:17:07.054Z)

Latitude

-0.00007°

Longitude

-62.45926°

Altitude

682.47 km

Speed

7.524 km/s

True Right ascension

17h 10m 19s

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

21:42:52

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

711.014 km

Perigee altitude

674.383 km

Semi-major axis

7,070.836 km

Eccentricity

0.00259

Inclination

98.5586°

RAAN

257.5804°

Arg. of periapsis

28.711°

True anomaly

331.40899°

Mean anomaly

331.5508°

Eccentric anomaly

331.47994°

Mean motion

3.65037 °/min

Orbital period

98.62 mins

BSTAR

0.000084706

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

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

YIJIAN, 41899

SPARK 1, 41900

TANSAT, 41898

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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	2026-09-22 12:40:05.729Z	9.072° NNE	2026-09-22 12:44:05.729Z	248.453° W	73.522°	2026-09-22 12:48:05.729Z	200.637° SSW
7 mins	2026-09-22 23:45:05.729Z	175.999° S	2026-09-22 23:48:05.729Z	289.972° WNW	70.635°	2026-09-22 23:52:05.729Z	342.304° 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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-09-21T21:17:07.054Z)

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: 7 hours ago