QIANFAN-99, 66041
Orbit data source: Space-Track
QIANFAN-99, 66041 is a Chinese payload satellite in LEO that was launched on Fri, 17 Oct 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). 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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66041 intel report (Beta)
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Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 QIANFAN-99
1 66041U 25233J 26133.28253216 .00000107 00000-0 14784-3 0 9991
2 66041 89.0027 46.7137 0001940 73.0752 287.0612 13.51017162 28475Epoch: 2026-05-13T06:46Z
TLE epoch observation values (Epoch: 2026-05-13T06:46:50.778Z)
Latitude
-0°
Longitude
73.95734°
Altitude
1,071.048 km
Speed
7.317 km/s
True Right ascension
03h 06m 51s
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
02:48:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,067.014 km
Perigee altitude
1,064.125 km
Semi-major axis
7,443.707 km
Eccentricity
0.00019
Inclination
89.0027°
RAAN
46.7137°
Arg. of periapsis
73.0752°
True anomaly
287.03995°
Mean anomaly
287.0612°
Eccentric anomaly
287.05057°
Mean motion
3.37955 °/min
Orbital period
106.52 mins
BSTAR
0.00014784
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Other satellites on launch #233 in the year 2025 (2025-10-17 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.QIANFAN-99 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-05-13 19:19:24.832Z | 204.85° SW | 2026-05-13 19:25:24.832Z | 278.934° WNW | 34.959° | 2026-05-13 19:31:24.832Z | 345.913° N |
| 11 mins | 2026-05-14 06:29:24.832Z | 1.328° NNE | 2026-05-14 06:34:24.832Z | 9.261° NNE | 44.732° | 2026-05-14 06:40:24.832Z | 182.208° SSW |
| 4 mins | 2026-05-14 08:18:24.832Z | 307.416° NW | 2026-05-14 08:20:24.832Z | 288.185° WNW | 13.376° | 2026-05-14 08:22:24.832Z | 269.203° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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