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: 1 day ago
TLE from 1 day ago
0 SPARK 1
1 41900U 16081C 25259.95928144 .00000679 00000-0 15369-3 0 9994
2 41900 98.5259 241.5026 0025236 83.8672 276.5401 14.59288040464411Epoch: 2025-09-16T23:01Z
TLE epoch observation values (Epoch: 2025-09-16T23:01:21.916Z)
Latitude
-0.00001°
Longitude
-99.98082°
Altitude
696.459 km
Speed
7.509 km/s
True Right ascension
16h 06m 00s
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
17:43:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
710.415 km
Perigee altitude
674.728 km
Semi-major axis
7,070.708 km
Eccentricity
0.00252
Inclination
98.5259°
RAAN
241.5026°
Arg. of periapsis
83.8672°
True anomaly
276.2527°
Mean anomaly
276.5401°
Eccentric anomaly
276.39641°
Mean motion
3.65047 °/min
Orbital period
98.62 mins
BSTAR
0.00015369
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-09-18 11:47:20.637Z | 12.926° NNE | 2025-09-18 11:51:20.637Z | 7.105° NNE | 44.43° | 2025-09-18 11:55:20.637Z | 195.271° SSW |
| 7 mins | 2025-09-18 22:52:20.637Z | 167.702° S | 2025-09-18 22:55:20.637Z | 183.132° SSW | 44.052° | 2025-09-18 22:59:20.637Z | 345.178° 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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