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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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 26304.21426975 .00000340 00000-0 14149-3 0 9994
2 61557 88.9888 39.5731 0008208 337.5798 22.5034 14.24196809115910Epoch: 2026-10-31T05:08Z
TLE epoch observation values (Epoch: 2026-10-31T05:08:32.906Z)
Latitude
-0.00007°
Longitude
-77.08722°
Altitude
808.801 km
Speed
7.452 km/s
True Right ascension
02h 38m 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
06:34:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
814.038 km
Perigee altitude
802.241 km
Semi-major axis
7,186.277 km
Eccentricity
0.00082
Inclination
88.9888°
RAAN
39.5731°
Arg. of periapsis
337.5798°
True anomaly
22.53943°
Mean anomaly
22.5034°
Eccentric anomaly
22.52141°
Mean motion
3.56277 °/min
Orbital period
101.05 mins
BSTAR
0.00014149
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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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-10-31 17:32:19.709Z | 38.714° NE | 2026-10-31 17:35:19.709Z | 72.75° E | 16.953° | 2026-10-31 17:38:19.709Z | 110.502° ESE |
| 9 mins | 2026-10-31 19:13:19.709Z | 347.743° N | 2026-10-31 19:17:19.709Z | 270.529° WNW | 55.784° | 2026-10-31 19:22:19.709Z | 199.048° SSW |
| 9 mins | 2026-11-01 06:33:19.709Z | 158.196° S | 2026-11-01 06:37:19.709Z | 87.325° E | 56.287° | 2026-11-01 06:42:19.709Z | 8.615° NNE |
| 4 mins | 2026-11-01 08:17:19.709Z | 261.416° W | 2026-11-01 08:19:19.709Z | 287.872° WNW | 16.54° | 2026-11-01 08:21:19.709Z | 312.159° NW |
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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