QIANFAN-24, 61557
Orbit data source: Space-Track
QIANFAN-24, 61557 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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61557 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: 6 hours ago
TLE from 6 hours ago
0 QIANFAN-24
1 61557U 24185F 25287.92736355 .00001096 00000-0 47408-3 0 9990
2 61557 88.9743 84.0148 0011424 123.8815 236.3465 14.23686774 61655Epoch: 2025-10-14T22:15Z
TLE epoch observation values (Epoch: 2025-10-14T22:15:24.210Z)
Latitude
-0.00009°
Longitude
86.45515°
Altitude
820.53 km
Speed
7.44 km/s
True Right ascension
05h 36m 03s
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
22:44:18
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
818.069 km
Perigee altitude
801.646 km
Semi-major axis
7,187.994 km
Eccentricity
0.00114
Inclination
88.9743°
RAAN
84.0148°
Arg. of periapsis
123.8815°
True anomaly
236.23762°
Mean anomaly
236.3465°
Eccentric anomaly
236.29205°
Mean motion
3.56149 °/min
Orbital period
101.08 mins
BSTAR
0.00047408
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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-24 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 | 2025-10-15 10:10:58.570Z | 140.277° SSE | 2025-10-15 10:14:58.570Z | 88.291° E | 27.946° | 2025-10-15 10:19:58.570Z | 19.277° NNE |
| 7 mins | 2025-10-15 11:52:58.570Z | 226.074° WSW | 2025-10-15 11:55:58.570Z | 268.256° W | 25.286° | 2025-10-15 11:59:58.570Z | 328.924° NNW |
| 8 mins | 2025-10-15 22:27:58.570Z | 15.271° NNE | 2025-10-15 22:31:58.570Z | 103.48° ESE | 39.29° | 2025-10-15 22:35:58.570Z | 163.748° S |
| 4 mins | 2025-10-16 00:10:58.570Z | 301.756° NW | 2025-10-16 00:11:58.570Z | 288.515° WNW | 16.003° | 2025-10-16 00:14:58.570Z | 251.403° 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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