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 26037.50488269 .00001008 00000-0 39946-3 0 9992
2 61561 88.9768 70.4073 0009566 103.0459 257.1804 14.28163562 78130Epoch: 2026-02-06T12:07Z
TLE epoch observation values (Epoch: 2026-02-06T12:07:01.864Z)
Latitude
-0.00002°
Longitude
112.00773°
Altitude
802.47 km
Speed
7.451 km/s
True Right ascension
04h 41m 37s
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
18:35:01
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
801.677 km
Perigee altitude
787.954 km
Semi-major axis
7,172.953 km
Eccentricity
0.00096
Inclination
88.9768°
RAAN
70.4073°
Arg. of periapsis
103.0459°
True anomaly
257.07354°
Mean anomaly
257.1804°
Eccentric anomaly
257.12697°
Mean motion
3.5727 °/min
Orbital period
100.76 mins
BSTAR
0.00039946
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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 | 2026-02-07 01:41:12.857Z | 138.525° SSE | 2026-02-07 01:45:12.857Z | 88.309° E | 26.117° | 2026-02-07 01:49:12.857Z | 26.947° NE |
| 7 mins | 2026-02-07 03:23:12.857Z | 226.321° WSW | 2026-02-07 03:26:12.857Z | 273.823° WNW | 26.675° | 2026-02-07 03:30:12.857Z | 332.821° NNW |
| 8 mins | 2026-02-07 13:56:12.857Z | 20.237° NNE | 2026-02-07 13:59:12.857Z | 73.034° E | 36.601° | 2026-02-07 14:04:12.857Z | 160.531° S |
| 5 mins | 2026-02-07 15:38:12.857Z | 308.188° NW | 2026-02-07 15:40:12.857Z | 280.082° WNW | 17.677° | 2026-02-07 15:43:12.857Z | 243.444° WSW |
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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