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: 10 hours ago
TLE from 10 hours ago
0 QIANFAN-24
1 61557U 24185F 26036.49897422 .00000807 00000-0 34575-3 0 9998
2 61557 88.9740 70.7614 0011640 114.7035 245.5370 14.23893766 77818Epoch: 2026-02-05T11:58Z
TLE epoch observation values (Epoch: 2026-02-05T11:58:31.372Z)
Latitude
-0.00006°
Longitude
115.48035°
Altitude
818.748 km
Speed
7.442 km/s
True Right ascension
04h 43m 02s
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
23:58:33
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
817.526 km
Perigee altitude
800.794 km
Semi-major axis
7,187.297 km
Eccentricity
0.00116
Inclination
88.974°
RAAN
70.7614°
Arg. of periapsis
114.7035°
True anomaly
245.41566°
Mean anomaly
245.537°
Eccentric anomaly
245.47632°
Mean motion
3.56201 °/min
Orbital period
101.07 mins
BSTAR
0.00034575
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2026-02-06 01:35:47.455Z | 127.885° SE | 2026-02-06 01:39:47.455Z | 76.153° E | 22.027° | 2026-02-06 01:43:47.455Z | 26.848° NE |
| 8 mins | 2026-02-06 03:16:47.455Z | 212.899° SW | 2026-02-06 03:20:47.455Z | 281.764° WNW | 31.903° | 2026-02-06 03:24:47.455Z | 339.572° N |
| 8 mins | 2026-02-06 13:51:47.455Z | 21.651° NNE | 2026-02-06 13:55:47.455Z | 88.331° E | 32.866° | 2026-02-06 13:59:47.455Z | 150.901° SSE |
| 6 mins | 2026-02-06 15:33:47.455Z | 320.929° NNW | 2026-02-06 15:36:47.455Z | 277.695° WNW | 21.112° | 2026-02-06 15:39:47.455Z | 238.261° WSW |
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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