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: 9 hours ago
TLE from 9 hours ago
0 SPARK 1
1 41900U 16081C 25359.51004312 .00000595 00000-0 13549-3 0 9994
2 41900 98.5364 343.8168 0024644 134.2534 226.0693 14.59509210478931Epoch: 2025-12-25T12:14Z
TLE epoch observation values (Epoch: 2025-12-25T12:14:27.725Z)
Latitude
-0.00003°
Longitude
65.93723°
Altitude
709.851 km
Speed
7.494 km/s
True Right ascension
22h 55m 16s
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
20:36:40
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
709.28 km
Perigee altitude
674.433 km
Semi-major axis
7,069.994 km
Eccentricity
0.00246
Inclination
98.5364°
RAAN
343.8168°
Arg. of periapsis
134.2534°
True anomaly
225.86636°
Mean anomaly
226.0693°
Eccentric anomaly
225.96778°
Mean motion
3.65102 °/min
Orbital period
98.6 mins
BSTAR
0.00013549
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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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-12-25 22:15:35.599Z | 118.314° SE | 2025-12-25 22:18:35.599Z | 70.299° E | 24.545° | 2025-12-25 22:22:35.599Z | 10.919° NNE |
| 6 mins | 2025-12-25 23:53:35.599Z | 215.559° SW | 2025-12-25 23:56:35.599Z | 273.743° WNW | 25.911° | 2025-12-25 23:59:35.599Z | 319.43° NNW |
| 7 mins | 2025-12-26 11:51:35.599Z | 22.545° NE | 2025-12-26 11:54:35.599Z | 78.389° E | 42.002° | 2025-12-26 11:58:35.599Z | 182.825° SSW |
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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