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: 10 hours ago
TLE from 10 hours ago
0 QIANFAN-28
1 61561U 24185K 25258.57252977 .00000701 00000-0 27821-3 0 9996
2 61561 88.9756 87.2848 0005944 203.4222 156.6702 14.27752479 57599Epoch: 2025-09-15T13:44Z
TLE epoch observation values (Epoch: 2025-09-15T13:44:26.572Z)
Latitude
-0.00005°
Longitude
-113.60117°
Altitude
806.236 km
Speed
7.448 km/s
True Right ascension
05h 49m 08s
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
16:48:08
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
800.458 km
Perigee altitude
791.929 km
Semi-major axis
7,174.33 km
Eccentricity
0.00059
Inclination
88.9756°
RAAN
87.2848°
Arg. of periapsis
203.4222°
True anomaly
156.69716°
Mean anomaly
156.6702°
Eccentric anomaly
156.68368°
Mean motion
3.57167 °/min
Orbital period
100.79 mins
BSTAR
0.00027821
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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 | 2025-09-16 00:24:47.950Z | 18.38° NNE | 2025-09-16 00:28:47.950Z | 74.236° E | 32.911° | 2025-09-16 00:33:47.950Z | 154.442° SSE |
| 6 mins | 2025-09-16 02:06:47.950Z | 322.753° NNW | 2025-09-16 02:09:47.950Z | 281.198° WNW | 20.703° | 2025-09-16 02:12:47.950Z | 240.534° WSW |
| 4 mins | 2025-09-16 11:46:47.950Z | 93.482° ESE | 2025-09-16 11:47:47.950Z | 80.841° E | 14.969° | 2025-09-16 11:50:47.950Z | 44.208° NE |
| 8 mins | 2025-09-16 13:24:47.950Z | 195.813° SSW | 2025-09-16 13:28:47.950Z | 286.363° WNW | 40.64° | 2025-09-16 13:32:47.950Z | 348.895° N |
| 7 mins | 2025-09-16 23:58:47.950Z | 36.007° NE | 2025-09-17 00:01:47.950Z | 78.881° E | 23.133° | 2025-09-17 00:05:47.950Z | 133.828° SE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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