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: 10 hours ago
TLE from 10 hours ago
0 QIANFAN-21
1 61554U 24185C 26125.23002022 .00000733 00000-0 32049-3 0 9992
2 61554 88.9759 60.1513 0008099 254.8474 105.1822 14.22809142 90376Epoch: 2026-05-05T05:31Z
TLE epoch observation values (Epoch: 2026-05-05T05:31:13.747Z)
Latitude
0°
Longitude
114.23617°
Altitude
820.456 km
Speed
7.442 km/s
True Right ascension
04h 00m 36s
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
22:58:15
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
818.639 km
Perigee altitude
806.992 km
Semi-major axis
7,190.952 km
Eccentricity
0.00081
Inclination
88.9759°
RAAN
60.1513°
Arg. of periapsis
254.8474°
True anomaly
105.27174°
Mean anomaly
105.1822°
Eccentric anomaly
105.22697°
Mean motion
3.55929 °/min
Orbital period
101.14 mins
BSTAR
0.00032049
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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 | 2026-05-05 19:08:43.898Z | 133.619° SE | 2026-05-05 19:12:43.898Z | 83.323° E | 24.438° | 2026-05-05 19:16:43.898Z | 27.768° NE |
| 8 mins | 2026-05-05 20:50:43.898Z | 221.291° SW | 2026-05-05 20:53:43.898Z | 269.766° W | 29.559° | 2026-05-05 20:58:43.898Z | 340.058° N |
| 9 mins | 2026-05-06 07:25:43.898Z | 18.339° NNE | 2026-05-06 07:29:43.898Z | 87.241° E | 36.005° | 2026-05-06 07:34:43.898Z | 159.769° S |
| 6 mins | 2026-05-06 09:07:43.898Z | 319.929° NNW | 2026-05-06 09:10:43.898Z | 279.967° WNW | 19.148° | 2026-05-06 09:13:43.898Z | 242.456° 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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