QIANFAN-26, 61559
Orbit data source: Space-Track
QIANFAN-26, 61559 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.
Focus sentinelFocus sentinel
Embed this page
Focus sentinelFocus sentinel
61559 intel report (Beta)
Focus sentinelFocus sentinel
Create New Watchlist
Focus sentinelFocus sentinel
Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
GESIH/SECM
Mission
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: 13 hours ago
TLE from 13 hours ago
0 QIANFAN-26
1 61559U 24185H 25261.19626558 .00000240 00000-0 22708-3 0 9992
2 61559 88.9743 88.9901 0003704 272.2282 87.8461 13.77740497 56892Epoch: 2025-09-18T04:42Z
TLE epoch observation values (Epoch: 2025-09-18T04:42:37.346Z)
Latitude
0.00008°
Longitude
20.97316°
Altitude
974.803 km
Speed
7.364 km/s
True Right ascension
05h 55m 57s
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
10:55:25
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
971.645 km
Perigee altitude
966.203 km
Semi-major axis
7,347.061 km
Eccentricity
0.00037
Inclination
88.9743°
RAAN
88.9901°
Arg. of periapsis
272.2282°
True anomaly
87.88852°
Mean anomaly
87.8461°
Eccentric anomaly
87.86731°
Mean motion
3.44646 °/min
Orbital period
104.46 mins
BSTAR
0.00022708
Loading maneuver chart data...
Computing Atmospheric mass density...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Loading historical data...
Other satellites on launch #185 in the year 2024 (2024-10-15 UTC)
Did you know?
You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.QIANFAN-26 Visibility forecast
Loading observer location...
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. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2025-09-19 00:28:15.130Z | 11.19° NNE | 2025-09-19 00:33:15.130Z | 70.322° E | 39.127° | 2025-09-19 00:39:15.130Z | 164.169° S |
| 6 mins | 2025-09-19 02:15:15.130Z | 314.186° NW | 2025-09-19 02:17:15.130Z | 290.245° WNW | 19.627° | 2025-09-19 02:21:15.130Z | 244.508° WSW |
| 9 mins | 2025-09-19 12:13:15.130Z | 134.897° SE | 2025-09-19 12:17:15.130Z | 73.797° E | 30.914° | 2025-09-19 12:22:15.130Z | 16.942° NNE |
| 9 mins | 2025-09-19 13:57:15.130Z | 223.473° SW | 2025-09-19 14:01:15.130Z | 274.394° WNW | 27.37° | 2025-09-19 14:06:15.130Z | 335.698° NNW |
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 ascending order |
|---|
CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
Authenticating...
Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in ascending order |
|---|