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: 19 hours ago
TLE from 19 hours ago
0 SPARK 2
1 41901U 16081D 25259.48571043 .00000640 00000-0 14763-3 0 9990
2 41901 98.5205 236.6679 0026973 88.5220 271.9068 14.58600306464210Epoch: 2025-09-16T11:39Z
TLE epoch observation values (Epoch: 2025-09-16T11:39:25.381Z)
Latitude
0.00001°
Longitude
66.13682°
Altitude
700.087 km
Speed
7.506 km/s
True Right ascension
15h 46m 40s
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
23:47:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
713.873 km
Perigee altitude
675.717 km
Semi-major axis
7,072.932 km
Eccentricity
0.0027
Inclination
98.5205°
RAAN
236.6679°
Arg. of periapsis
88.522°
True anomaly
271.59785°
Mean anomaly
271.9068°
Eccentric anomaly
271.75233°
Mean motion
3.64875 °/min
Orbital period
98.66 mins
BSTAR
0.00014763
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-17 11:16:40.310Z | 20.458° NNE | 2025-09-17 11:20:40.310Z | 105.098° ESE | 42.523° | 2025-09-17 11:24:40.310Z | 183.676° SSW |
| 7 mins | 2025-09-17 22:21:40.310Z | 154.584° SSE | 2025-09-17 22:24:40.310Z | 108.441° ESE | 42.367° | 2025-09-17 22:28:40.310Z | 353.356° N |
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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