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: 4 hours ago
TLE from 4 hours ago
0 SPARK 1
1 41900U 16081C 25359.78426935 .00000619 00000-0 14054-3 0 9991
2 41900 98.5364 344.0988 0024658 133.4380 226.8876 14.59509702478970Epoch: 2025-12-25T18:49Z
TLE epoch observation values (Epoch: 2025-12-25T18:49:20.871Z)
Latitude
-0.00004°
Longitude
-32.7725°
Altitude
709.676 km
Speed
7.495 km/s
True Right ascension
22h 56m 23s
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
22:31:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
709.288 km
Perigee altitude
674.422 km
Semi-major axis
7,069.992 km
Eccentricity
0.00247
Inclination
98.5364°
RAAN
344.0988°
Arg. of periapsis
133.438°
True anomaly
226.68176°
Mean anomaly
226.8876°
Eccentric anomaly
226.78464°
Mean motion
3.65102 °/min
Orbital period
98.6 mins
BSTAR
0.00014054
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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 23:52:23.606Z | 204.55° SW | 2025-12-25 23:56:23.606Z | 269.016° W | 26.169° | 2025-12-25 23:59:23.606Z | 317.732° NNW |
| 8 mins | 2025-12-26 11:51:23.606Z | 21.869° NNE | 2025-12-26 11:54:23.606Z | 65.331° ENE | 41.187° | 2025-12-26 11:59:23.606Z | 184.705° SSW |
| 8 mins | 2025-12-26 22:55:23.606Z | 154.319° SSE | 2025-12-26 22:58:23.606Z | 112.175° ESE | 41.994° | 2025-12-26 23:03:23.606Z | 351.927° N |
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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