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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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: 6 hours ago
TLE from 6 hours ago
0 TANSAT
1 41898U 16081A 26264.95036755 .00000018 00000-0 14309-4 0 9996
2 41898 98.5429 268.0980 0020927 13.7470 346.4295 14.60005751518741Epoch: 2026-09-21T22:48Z
TLE epoch observation values (Epoch: 2026-09-21T22:48:31.756Z)
Latitude
0.00003°
Longitude
-74.85717°
Altitude
681.744 km
Speed
7.523 km/s
True Right ascension
17h 52m 23s
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
21:42:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
705.045 km
Perigee altitude
675.461 km
Semi-major axis
7,068.39 km
Eccentricity
0.00209
Inclination
98.5429°
RAAN
268.098°
Arg. of periapsis
13.747°
True anomaly
346.37309°
Mean anomaly
346.4295°
Eccentric anomaly
346.40131°
Mean motion
3.65227 °/min
Orbital period
98.57 mins
BSTAR
0.000014309
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-09-22 12:32:36.740Z | 34.697° NE | 2026-09-22 12:36:36.740Z | 97.234° ESE | 33.131° | 2026-09-22 12:40:36.740Z | 160.137° S |
| 6 mins | 2026-09-22 14:11:36.740Z | 333.453° NNW | 2026-09-22 14:13:36.740Z | 300.335° NW | 24.966° | 2026-09-22 14:17:36.740Z | 240.254° WSW |
| 7 mins | 2026-09-22 23:37:36.740Z | 123.919° SE | 2026-09-22 23:40:36.740Z | 65.2° ENE | 33.91° | 2026-09-22 23:44:36.740Z | 5.562° NNE |
| 6 mins | 2026-09-23 01:15:36.740Z | 224.98° SW | 2026-09-23 01:17:36.740Z | 256.971° W | 22.479° | 2026-09-23 01:21:36.740Z | 316.666° 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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