QIANFAN-21, 61554
Orbit data source: Space-Track
QIANFAN-21, 61554 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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61554 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: 6 hours ago
TLE from 6 hours ago
0 QIANFAN-21
1 61554U 24185C 26086.83017070 .00000676 00000-0 29510-3 0 9998
2 61554 88.9704 64.6426 0011917 32.2983 327.8936 14.22758218 84913Epoch: 2026-03-27T19:55Z
TLE epoch observation values (Epoch: 2026-03-27T19:55:26.748Z)
Latitude
-0.00001°
Longitude
-59.47799°
Altitude
811.836 km
Speed
7.451 km/s
True Right ascension
04h 18m 34s
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
07:45:23
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
821.557 km
Perigee altitude
804.418 km
Semi-major axis
7,191.124 km
Eccentricity
0.00119
Inclination
88.9704°
RAAN
64.6426°
Arg. of periapsis
32.2983°
True anomaly
327.82093°
Mean anomaly
327.8936°
Eccentric anomaly
327.85727°
Mean motion
3.55916 °/min
Orbital period
101.15 mins
BSTAR
0.0002951
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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-21 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 | 2026-03-28 10:00:45.473Z | 24.511° NE | 2026-03-28 10:04:45.473Z | 81.352° E | 28.55° | 2026-03-28 10:08:45.473Z | 142.012° SSE |
| 7 mins | 2026-03-28 11:42:45.473Z | 328.117° NNW | 2026-03-28 11:45:45.473Z | 284.027° WNW | 25.37° | 2026-03-28 11:49:45.473Z | 227.664° WSW |
| 9 mins | 2026-03-28 23:02:45.473Z | 186.76° SSW | 2026-03-28 23:06:45.473Z | 244.565° WSW | 43.338° | 2026-03-28 23:11:45.473Z | 354.11° 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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