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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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: 7 hours ago
TLE from 7 hours ago
0 QIANFAN-21
1 61554U 24185C 26034.15109170 .00000593 00000-0 25869-3 0 9990
2 61554 88.9683 70.8370 0010549 180.1542 179.9648 14.22689098 77423Epoch: 2026-02-03T03:37Z
TLE epoch observation values (Epoch: 2026-02-03T03:37:34.322Z)
Latitude
-0.00007°
Longitude
-116.89215°
Altitude
826.921 km
Speed
7.436 km/s
True Right ascension
04h 43m 20s
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
12:06:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
820.807 km
Perigee altitude
805.634 km
Semi-major axis
7,191.357 km
Eccentricity
0.00105
Inclination
88.9683°
RAAN
70.837°
Arg. of periapsis
180.1542°
True anomaly
179.96487°
Mean anomaly
179.9648°
Eccentric anomaly
179.96484°
Mean motion
3.55899 °/min
Orbital period
101.15 mins
BSTAR
0.00025869
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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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-02-03 14:20:16.910Z | 11.49° NNE | 2026-02-03 14:24:16.910Z | 69.559° E | 39.935° | 2026-02-03 14:29:16.910Z | 166.121° S |
| 5 mins | 2026-02-03 16:03:16.910Z | 310.397° NW | 2026-02-03 16:05:16.910Z | 285.29° WNW | 15.599° | 2026-02-03 16:08:16.910Z | 249.889° W |
| 6 mins | 2026-02-04 01:43:16.910Z | 115.024° SE | 2026-02-04 01:46:16.910Z | 70.957° E | 21.436° | 2026-02-04 01:49:16.910Z | 32.794° NE |
| 8 mins | 2026-02-04 03:23:16.910Z | 213.275° SW | 2026-02-04 03:26:16.910Z | 260.387° W | 32.581° | 2026-02-04 03:31:16.910Z | 341.514° 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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