TANSAT, 41898
Orbit data source: Space-Track
TANSAT, 41898 is a Chinese payload satellite 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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41898 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SECM
Mission
Operational Civil Science
Bus & Motor
TANSAT, Unknown motor
Mass
~620 kg wet, ~600 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 5.0 m
Radar Cross Section
7.261 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 16 hours ago
TLE from 16 hours ago
0 TANSAT
1 41898U 16081A 25259.62992870 .00000362 00000-0 86305-4 0 9999
2 41898 98.5210 247.0936 0021912 74.9133 285.4488 14.59659246464712Epoch: 2025-09-16T15:07Z
TLE epoch observation values (Epoch: 2025-09-16T15:07:05.839Z)
Latitude
-0.00006°
Longitude
24.5018°
Altitude
693.152 km
Speed
7.512 km/s
True Right ascension
16h 28m 22s
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
23:49:41
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
706.862 km
Perigee altitude
675.88 km
Semi-major axis
7,069.508 km
Eccentricity
0.00219
Inclination
98.521°
RAAN
247.0936°
Arg. of periapsis
74.9133°
True anomaly
285.2066°
Mean anomaly
285.4488°
Eccentric anomaly
285.32772°
Mean motion
3.6514 °/min
Orbital period
98.59 mins
BSTAR
0.000086305
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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.TANSAT 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 | 2025-09-17 11:26:16.408Z | 36.38° NE | 2025-09-17 11:30:16.408Z | 99.938° ESE | 26.979° | 2025-09-17 11:33:16.408Z | 151.644° SSE |
| 6 mins | 2025-09-17 13:05:16.408Z | 333.686° NNW | 2025-09-17 13:07:16.408Z | 299.021° NW | 23.452° | 2025-09-17 13:11:16.408Z | 238.066° WSW |
| 7 mins | 2025-09-17 22:31:16.408Z | 123.924° SE | 2025-09-17 22:34:16.408Z | 69.99° E | 28.05° | 2025-09-17 22:38:16.408Z | 7.385° NNE |
| 6 mins | 2025-09-18 00:09:16.408Z | 221.416° SW | 2025-09-18 00:12:16.408Z | 272.973° WNW | 21.757° | 2025-09-18 00:15:16.408Z | 315.962° 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 ascending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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