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: 13 hours ago
TLE from 13 hours ago
0 QIANFAN-24
1 61557U 24185F 25257.56345149 .00000527 00000-0 22509-3 0 9997
2 61557 88.9729 87.5709 0008032 220.1005 139.9595 14.23617373 57334Epoch: 2025-09-14T13:31Z
TLE epoch observation values (Epoch: 2025-09-14T13:31:22.208Z)
Latitude
-0.00004°
Longitude
-109.05229°
Altitude
820.628 km
Speed
7.44 km/s
True Right ascension
05h 50m 17s
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
18:55:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
815.865 km
Perigee altitude
804.318 km
Semi-major axis
7,188.228 km
Eccentricity
0.0008
Inclination
88.9729°
RAAN
87.5709°
Arg. of periapsis
220.1005°
True anomaly
140.01867°
Mean anomaly
139.9595°
Eccentric anomaly
139.98909°
Mean motion
3.56131 °/min
Orbital period
101.09 mins
BSTAR
0.00022509
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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 | 2025-09-15 13:15:52.264Z | 182.482° SSW | 2025-09-15 13:19:52.264Z | 316.077° NNW | 44.371° | 2025-09-15 13:24:52.264Z | 357.213° N |
| 5 mins | 2025-09-15 23:52:52.264Z | 52.932° ENE | 2025-09-15 23:54:52.264Z | 81.342° E | 18.908° | 2025-09-15 23:57:52.264Z | 119.963° SE |
| 8 mins | 2025-09-16 01:32:52.264Z | 339.926° N | 2025-09-16 01:35:52.264Z | 286.606° WNW | 35.739° | 2025-09-16 01:40:52.264Z | 206.01° SW |
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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