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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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 26193.17397958 .00000369 00000-0 14197-3 0 9992
2 61561 88.9820 52.1734 0005841 331.6521 28.4355 14.28416502100356Epoch: 2026-07-12T04:10Z
TLE epoch observation values (Epoch: 2026-07-12T04:10:31.835Z)
Latitude
-0.00005°
Longitude
59.46412°
Altitude
796.408 km
Speed
7.457 km/s
True Right ascension
03h 28m 41s
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
21:03:04
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
798.157 km
Perigee altitude
789.779 km
Semi-major axis
7,172.105 km
Eccentricity
0.00058
Inclination
88.982°
RAAN
52.1734°
Arg. of periapsis
331.6521°
True anomaly
28.46739°
Mean anomaly
28.4355°
Eccentric anomaly
28.45144°
Mean motion
3.57333 °/min
Orbital period
100.75 mins
BSTAR
0.00014197
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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 | 2026-07-12 14:22:29.415Z | 144.948° SSE | 2026-07-12 14:27:29.415Z | 72.685° E | 29.55° | 2026-07-12 14:31:29.415Z | 19.315° NNE |
| 6 mins | 2026-07-12 16:05:29.415Z | 238.421° WSW | 2026-07-12 16:07:29.415Z | 268.852° W | 23.226° | 2026-07-12 16:11:29.415Z | 327.353° NNW |
| 8 mins | 2026-07-13 02:37:29.415Z | 14.232° NNE | 2026-07-13 02:41:29.415Z | 106.539° ESE | 39.981° | 2026-07-13 02:45:29.415Z | 165.456° S |
| 4 mins | 2026-07-13 04:19:29.415Z | 308.987° NW | 2026-07-13 04:21:29.415Z | 283.493° WNW | 15.45° | 2026-07-13 04:23:29.415Z | 258.493° W |
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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