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: 13 hours ago
TLE from 13 hours ago
0 QIANFAN-28
1 61561U 24185K 25312.11431352 .00001476 00000-0 59009-3 0 9996
2 61561 88.9803 80.9965 0008546 54.4275 305.7715 14.27920674 65230Epoch: 2025-11-08T02:44Z
TLE epoch observation values (Epoch: 2025-11-08T02:44:36.688Z)
Latitude
0.00002°
Longitude
-7.70494°
Altitude
798.171 km
Speed
7.456 km/s
True Right ascension
05h 23m 59s
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
11:59:30
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
801.76 km
Perigee altitude
789.499 km
Semi-major axis
7,173.767 km
Eccentricity
0.00085
Inclination
88.9803°
RAAN
80.9965°
Arg. of periapsis
54.4275°
True anomaly
305.69199°
Mean anomaly
305.7715°
Eccentric anomaly
305.73175°
Mean motion
3.57209 °/min
Orbital period
100.78 mins
BSTAR
0.00059009
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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. |
|---|---|---|---|---|---|---|---|
| 8 mins | 2025-11-08 20:08:38.143Z | 27.084° NE | 2025-11-08 20:12:38.143Z | 80.48° E | 24.771° | 2025-11-08 20:16:38.143Z | 136.803° SSE |
| 7 mins | 2025-11-08 21:50:38.143Z | 329.096° NNW | 2025-11-08 21:53:38.143Z | 277.683° WNW | 28.459° | 2025-11-08 21:57:38.143Z | 220.415° SW |
| 8 mins | 2025-11-09 09:08:38.143Z | 177.801° S | 2025-11-09 09:12:38.143Z | 357.917° N | 43.908° | 2025-11-09 09:16:38.143Z | 359.015° N |
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
Authenticating...
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