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: 4 hours ago
TLE from 4 hours ago
0 QIANFAN-28
1 61561U 24185K 25292.35227397 .00001683 00000-0 67461-3 0 9992
2 61561 88.9776 83.3134 0009185 104.6859 255.5355 14.27861474 62411Epoch: 2025-10-19T08:27Z
TLE epoch observation values (Epoch: 2025-10-19T08:27:16.471Z)
Latitude
0.00009°
Longitude
-71.5754°
Altitude
803.605 km
Speed
7.451 km/s
True Right ascension
05h 33m 15s
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
06:53:57
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
802.417 km
Perigee altitude
789.239 km
Semi-major axis
7,173.965 km
Eccentricity
0.00092
Inclination
88.9776°
RAAN
83.3134°
Arg. of periapsis
104.6859°
True anomaly
255.43361°
Mean anomaly
255.5355°
Eccentric anomaly
255.48455°
Mean motion
3.57194 °/min
Orbital period
100.79 mins
BSTAR
0.00067461
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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 | 2025-10-19 22:29:34.296Z | 1.924° NNE | 2025-10-19 22:33:34.296Z | 24.636° NE | 44.769° | 2025-10-19 22:38:34.296Z | 181.132° SSW |
| 7 mins | 2025-10-20 09:49:34.296Z | 128.509° SE | 2025-10-20 09:52:34.296Z | 76.672° E | 27.661° | 2025-10-20 09:56:34.296Z | 21.972° NNE |
| 7 mins | 2025-10-20 11:30:34.296Z | 233.693° WSW | 2025-10-20 11:33:34.296Z | 284.513° WNW | 25.192° | 2025-10-20 11:37:34.296Z | 335.177° NNW |
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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