QIANFAN-28, 61561
Orbit data source: Space-Track
QIANFAN-28, 61561 is a Chinese payload satellite in LEO that was launched on Tue, 15 Oct 2024 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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61561 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
GESIH/SECM
Mission
Partially operational Commercial Communications
Bus & Motor
QIANFAN, Unknown motor
Mass
267 kg wet, ~267 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 5.0 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 7 hours ago
TLE from 7 hours ago
0 QIANFAN-28
1 61561U 24185K 25342.31622329 .00001829 00000-0 73154-3 0 9996
2 61561 88.9825 77.4642 0005273 313.0236 47.0516 14.28022292 69545Epoch: 2025-12-08T07:35Z
TLE epoch observation values (Epoch: 2025-12-08T07:35:21.692Z)
Latitude
-0.00003°
Longitude
-113.69319°
Altitude
798.836 km
Speed
7.455 km/s
True Right ascension
05h 09m 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
12:53:21
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
799.072 km
Perigee altitude
791.506 km
Semi-major axis
7,173.426 km
Eccentricity
0.00053
Inclination
88.9825°
RAAN
77.4642°
Arg. of periapsis
313.0236°
True anomaly
47.09585°
Mean anomaly
47.0516°
Eccentric anomaly
47.07372°
Mean motion
3.57234 °/min
Orbital period
100.77 mins
BSTAR
0.00073154
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Other satellites on launch #185 in the year 2024 (2024-10-15 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-28 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 | 2025-12-08 18:15:23.069Z | 17.326° NNE | 2025-12-08 18:20:23.069Z | 97.78° ESE | 33.094° | 2025-12-08 18:24:23.069Z | 153.584° SSE |
| 6 mins | 2025-12-08 19:58:23.069Z | 313.754° NW | 2025-12-08 20:00:23.069Z | 284.211° WNW | 20.734° | 2025-12-08 20:04:23.069Z | 233.827° WSW |
| 4 mins | 2025-12-09 05:37:23.069Z | 94.285° ESE | 2025-12-09 05:39:23.069Z | 68.432° E | 14.883° | 2025-12-09 05:41:23.069Z | 44.78° NE |
| 8 mins | 2025-12-09 07:15:23.069Z | 195.693° SSW | 2025-12-09 07:19:23.069Z | 283.949° WNW | 40.639° | 2025-12-09 07:23:23.069Z | 348.703° N |
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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