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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41901 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: 1 day ago
TLE from 1 day ago
0 SPARK 2
1 41901U 16081D 25312.44124133 .00001299 00000-0 28779-3 0 9993
2 41901 98.5286 290.9907 0024337 286.3815 73.4708 14.58756242471930Epoch: 2025-11-08T10:35Z
TLE epoch observation values (Epoch: 2025-11-08T10:35:23.250Z)
Latitude
-0.00005°
Longitude
84.27302°
Altitude
695.305 km
Speed
7.511 km/s
True Right ascension
19h 23m 57s
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
16:19:36
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
711.503 km
Perigee altitude
677.079 km
Semi-major axis
7,072.428 km
Eccentricity
0.00243
Inclination
98.5286°
RAAN
290.9907°
Arg. of periapsis
286.3815°
True anomaly
73.73839°
Mean anomaly
73.4708°
Eccentric anomaly
73.60457°
Mean motion
3.64914 °/min
Orbital period
98.65 mins
BSTAR
0.00028779
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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 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-11-09 21:20:05.727Z | 90.09° ESE | 2025-11-09 21:22:05.727Z | 63.972° ENE | 13.87° | 2025-11-09 21:24:05.727Z | 37.187° NE |
| 7 mins | 2025-11-09 22:56:05.727Z | 181.136° SSW | 2025-11-09 22:59:05.727Z | 245.311° WSW | 41.692° | 2025-11-09 23:03:05.727Z | 337.843° N |
| 6 mins | 2025-11-10 10:56:05.727Z | 48.874° ENE | 2025-11-10 10:58:05.727Z | 85.064° E | 27.476° | 2025-11-10 11:02:05.727Z | 155.557° SSE |
| 5 mins | 2025-11-10 12:34:05.727Z | 328.407° NNW | 2025-11-10 12:36:05.727Z | 291.343° WNW | 23.832° | 2025-11-10 12:39:05.727Z | 244.103° WSW |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
Click to sort rows by RSO header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Type header in ascending order | Click to sort rows by Inclination Δ header in ascending order | Click to sort rows by RAAN Δ header in ascending order | Click to sort rows by Coplanar Angle header in ascending order | Click to sort rows by SMA Δ header in ascending order | Click to sort rows by Orbital period header in ascending order | Click to sort rows by <5km Md TCA header in ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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