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 25312.68459014 .00001008 00000-0 22281-3 0 9997
2 41900 98.5324 295.6764 0022619 281.8343 78.0319 14.59416354472109Epoch: 2025-11-08T16:25Z
TLE epoch observation values (Epoch: 2025-11-08T16:25:48.588Z)
Latitude
0°
Longitude
1.11328°
Altitude
694.749 km
Speed
7.511 km/s
True Right ascension
19h 42m 42s
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
16:11:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
708.149 km
Perigee altitude
676.164 km
Semi-major axis
7,070.294 km
Eccentricity
0.00226
Inclination
98.5324°
RAAN
295.6764°
Arg. of periapsis
281.8343°
True anomaly
78.28561°
Mean anomaly
78.0319°
Eccentric anomaly
78.15874°
Mean motion
3.65079 °/min
Orbital period
98.61 mins
BSTAR
0.00022281
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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 | 2025-11-09 22:10:43.668Z | 127.697° SE | 2025-11-09 22:14:43.668Z | 68.61° E | 26.489° | 2025-11-09 22:18:43.668Z | 9.062° NNE |
| 6 mins | 2025-11-09 23:49:43.668Z | 219.107° SW | 2025-11-09 23:52:43.668Z | 274.597° WNW | 24.293° | 2025-11-09 23:55:43.668Z | 318.165° NNW |
| 8 mins | 2025-11-10 11:47:43.668Z | 19.322° NNE | 2025-11-10 11:50:43.668Z | 56.823° ENE | 42.759° | 2025-11-10 11:55:43.668Z | 187.942° 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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