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: 23 hours ago
TLE from 23 hours ago
0 TANSAT
1 41898U 16081A 25312.89125362 .00000565 00000-0 12883-3 0 9996
2 41898 98.5264 301.8145 0019374 270.0632 89.8347 14.59735369472488Epoch: 2025-11-08T21:23Z
TLE epoch observation values (Epoch: 2025-11-08T21:23:24.312Z)
Latitude
-0.00002°
Longitude
-67.35116°
Altitude
696.99 km
Speed
7.508 km/s
True Right ascension
20h 07m 15s
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
16:18:02
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
704.821 km
Perigee altitude
677.429 km
Semi-major axis
7,069.262 km
Eccentricity
0.00194
Inclination
98.5264°
RAAN
301.8145°
Arg. of periapsis
270.0632°
True anomaly
90.05671°
Mean anomaly
89.8347°
Eccentric anomaly
89.9457°
Mean motion
3.65159 °/min
Orbital period
98.59 mins
BSTAR
0.00012883
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-11-09 22:13:32.531Z | 103.397° ESE | 2025-11-09 22:16:32.531Z | 60.604° ENE | 17.744° | 2025-11-09 22:19:32.531Z | 21.112° NNE |
| 7 mins | 2025-11-09 23:50:32.531Z | 195.447° SSW | 2025-11-09 23:53:32.531Z | 262.949° W | 35.838° | 2025-11-09 23:57:32.531Z | 332.05° NNW |
| 7 mins | 2025-11-10 11:49:32.531Z | 38.642° NE | 2025-11-10 11:52:32.531Z | 107.286° ESE | 33.791° | 2025-11-10 11:56:32.531Z | 169.4° S |
| 5 mins | 2025-11-10 13:27:32.531Z | 326.235° NNW | 2025-11-10 13:29:32.531Z | 294.689° NW | 18.995° | 2025-11-10 13:32:32.531Z | 252.138° W |
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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