SPARK 1, 41900
Orbit data source: Space-Track
SPARK 1, 41900 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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41900 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SECM
Mission
Operational Civil Imaging
Bus & Motor
SPARK, Unknown motor
Mass
43 kg wet, 43 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
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 & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 SPARK 1
1 41900U 16081C 25298.49238247 .00000999 00000-0 22094-3 0 9992
2 41900 98.5311 281.0901 0023214 327.5824 32.3948 14.59387939470038Epoch: 2025-10-25T11:49Z
TLE epoch observation values (Epoch: 2025-10-25T11:49:01.845Z)
Latitude
0.00004°
Longitude
69.71025°
Altitude
684.268 km
Speed
7.522 km/s
True Right ascension
18h 44m 21s
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
14:26:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
708.662 km
Perigee altitude
675.835 km
Semi-major axis
7,070.385 km
Eccentricity
0.00232
Inclination
98.5311°
RAAN
281.0901°
Arg. of periapsis
327.5824°
True anomaly
32.53767°
Mean anomaly
32.3948°
Eccentric anomaly
32.4662°
Mean motion
3.65072 °/min
Orbital period
98.61 mins
BSTAR
0.00022094
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Other satellites on launch #81 in the year 2016 (2016-12-21 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.SPARK 1 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-10-25 21:50:28.215Z | 108.977° ESE | 2025-10-25 21:53:28.215Z | 67.234° ENE | 18.682° | 2025-10-25 21:56:28.215Z | 23.572° NE |
| 7 mins | 2025-10-25 23:27:28.215Z | 195.478° SSW | 2025-10-25 23:30:28.215Z | 247.928° W | 33.305° | 2025-10-25 23:34:28.215Z | 327.969° NNW |
| 7 mins | 2025-10-26 11:26:28.215Z | 31.931° NE | 2025-10-26 11:29:28.215Z | 86.123° E | 35.649° | 2025-10-26 11:33:28.215Z | 169.407° S |
| 4 mins | 2025-10-26 13:05:28.215Z | 319.45° NNW | 2025-10-26 13:07:28.215Z | 287.763° WNW | 17.705° | 2025-10-26 13:09:28.215Z | 259.873° W |
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
Authenticating...
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