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: 5 hours ago
TLE from 5 hours ago
0 QIANFAN-28
1 61561U 24185K 26034.28189190 .00000832 00000-0 32840-3 0 9995
2 61561 88.9769 70.7866 0009454 111.2174 249.0032 14.28156174 77677Epoch: 2026-02-03T06:45Z
TLE epoch observation values (Epoch: 2026-02-03T06:45:55.460Z)
Latitude
0.00006°
Longitude
-164.15955°
Altitude
803.402 km
Speed
7.45 km/s
True Right ascension
04h 43m 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
13:46:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
801.622 km
Perigee altitude
788.059 km
Semi-major axis
7,172.977 km
Eccentricity
0.00095
Inclination
88.9769°
RAAN
70.7866°
Arg. of periapsis
111.2174°
True anomaly
248.9021°
Mean anomaly
249.0032°
Eccentric anomaly
248.95265°
Mean motion
3.57268 °/min
Orbital period
100.76 mins
BSTAR
0.0003284
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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 | 2026-02-03 14:04:00.085Z | 17.324° NNE | 2026-02-03 14:09:00.085Z | 96.445° ESE | 32.676° | 2026-02-03 14:13:00.085Z | 152.963° SSE |
| 6 mins | 2026-02-03 15:47:00.085Z | 314.429° NW | 2026-02-03 15:49:00.085Z | 284.773° WNW | 20.73° | 2026-02-03 15:53:00.085Z | 233.653° WSW |
| 4 mins | 2026-02-04 01:26:00.085Z | 94.62° ESE | 2026-02-04 01:28:00.085Z | 68.999° E | 14.627° | 2026-02-04 01:30:00.085Z | 45.326° ENE |
| 8 mins | 2026-02-04 03:04:00.085Z | 194.954° SSW | 2026-02-04 03:08:00.085Z | 282.663° WNW | 40.921° | 2026-02-04 03:12:00.085Z | 348.985° 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 descending order |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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