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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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: 11 hours ago
TLE from 11 hours ago
0 SPARK 1
1 41900U 16081C 26264.71953576 .00000306 00000-0 74280-4 0 9997
2 41900 98.5568 262.2036 0024191 25.0613 335.1754 14.59870117518355Epoch: 2026-09-21T17:16Z
TLE epoch observation values (Epoch: 2026-09-21T17:16:07.889Z)
Latitude
-0.00009°
Longitude
2.57542°
Altitude
681.045 km
Speed
7.524 km/s
True Right ascension
17h 28m 48s
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
20:53:47
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
707.792 km
Perigee altitude
673.591 km
Semi-major axis
7,068.829 km
Eccentricity
0.00242
Inclination
98.5568°
RAAN
262.2036°
Arg. of periapsis
25.0613°
True anomaly
335.0587°
Mean anomaly
335.1754°
Eccentric anomaly
335.11708°
Mean motion
3.65193 °/min
Orbital period
98.58 mins
BSTAR
0.00007428
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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 | 2026-09-22 11:57:08.826Z | 45.556° ENE | 2026-09-22 12:00:08.826Z | 89.493° E | 24.173° | 2026-09-22 12:04:08.826Z | 148.682° SSE |
| 7 mins | 2026-09-22 13:35:08.826Z | 344.02° N | 2026-09-22 13:38:08.826Z | 286.25° WNW | 33.462° | 2026-09-22 13:42:08.826Z | 227.813° WSW |
| 6 mins | 2026-09-22 23:02:08.826Z | 109.093° ESE | 2026-09-22 23:04:08.826Z | 75.599° E | 24.987° | 2026-09-22 23:08:08.826Z | 13.656° NNE |
| 6 mins | 2026-09-23 00:39:08.826Z | 210.931° SW | 2026-09-23 00:42:08.826Z | 268.446° W | 30.739° | 2026-09-23 00:45:08.826Z | 318.814° NNW |
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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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