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 Earth Obs Sci
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: 1 hour ago
TLE from 1 hour ago
0 TANSAT
1 41898U 16081A 25359.91283042 .00000347 00000-0 82901-4 0 9997
2 41898 98.5293 350.1412 0021406 122.3942 237.9331 14.59788694479346Epoch: 2025-12-25T21:54Z
TLE epoch observation values (Epoch: 2025-12-25T21:54:28.548Z)
Latitude
-0.0001°
Longitude
-73.13879°
Altitude
704.893 km
Speed
7.499 km/s
True Right ascension
23h 20m 33s
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
22:36:07
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
706.085 km
Perigee altitude
675.821 km
Semi-major axis
7,069.09 km
Eccentricity
0.00214
Inclination
98.5293°
RAAN
350.1412°
Arg. of periapsis
122.3942°
True anomaly
237.72553°
Mean anomaly
237.9331°
Eccentric anomaly
237.82928°
Mean motion
3.65172 °/min
Orbital period
98.58 mins
BSTAR
0.000082901
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2025-12-25 23:39:43.532Z | 173.748° S | 2025-12-25 23:43:43.532Z | 221.213° SW | 42.454° | 2025-12-25 23:48:43.532Z | 341.954° N |
| 5 mins | 2025-12-26 11:40:43.532Z | 57.712° ENE | 2025-12-26 11:42:43.532Z | 97.069° ESE | 24.749° | 2025-12-26 11:45:43.532Z | 147.702° SSE |
| 6 mins | 2025-12-26 13:17:43.532Z | 336.971° NNW | 2025-12-26 13:19:43.532Z | 302.002° NW | 24.86° | 2025-12-26 13:23:43.532Z | 236.184° WSW |
| 6 mins | 2025-12-26 22:44:43.532Z | 110.27° ESE | 2025-12-26 22:46:43.532Z | 70.988° E | 26.318° | 2025-12-26 22:50:43.532Z | 9.4° NNE |
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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