SJ-30A, 66545
Orbit data source: Space-Track
SJ-30A, 66545 is a payload satellite owned by CASC (CN) in LEO that was launched on Wed, 19 Nov 2025 UTC via a CHANG ZHENG 2C launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). 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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66545 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Technology
Bus & Motor
SJ30, Unknown motor
Mass
~500 kg wet, ~500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 14.5 m
Radar Cross Section
3.585 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 9 hours ago
TLE from 9 hours ago
0 SJ-30A
1 66545U 25266A 26171.46952772 .00005359 00000-0 29558-3 0 9990
2 66545 51.7976 164.0219 0007320 265.8507 94.1632 15.15465769 32358Epoch: 2026-06-20T11:16Z
TLE epoch observation values (Epoch: 2026-06-20T11:16:07.195Z)
Latitude
-0.00006°
Longitude
86.30818°
Altitude
520.683 km
Speed
7.604 km/s
True Right ascension
10h 56m 05s
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
07:12:27
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
525.089 km
Perigee altitude
514.99 km
Semi-major axis
6,898.177 km
Eccentricity
0.00073
Inclination
51.7976°
RAAN
164.0219°
Arg. of periapsis
265.8507°
True anomaly
94.24685°
Mean anomaly
94.1632°
Eccentric anomaly
94.20503°
Mean motion
3.78828 °/min
Orbital period
95.03 mins
BSTAR
0.00029558
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Other satellites on launch #266 in the year 2025 (2025-11-19 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.SJ-30A 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2026-06-21 01:40:42.606Z | 191.49° SSW | 2026-06-21 01:43:42.606Z | 120.94° SE | 28.408° | 2026-06-21 01:46:42.606Z | 70.323° E |
| 6 mins | 2026-06-21 03:19:42.606Z | 269.403° W | 2026-06-21 03:22:42.606Z | 346.82° N | 30.996° | 2026-06-21 03:25:42.606Z | 38.847° NE |
| 6 mins | 2026-06-21 08:19:42.606Z | 323.978° NNW | 2026-06-21 08:21:42.606Z | 6.697° NNE | 35.447° | 2026-06-21 08:25:42.606Z | 106.475° ESE |
| 4 mins | 2026-06-21 09:59:42.606Z | 258.469° W | 2026-06-21 10:00:42.606Z | 236.115° WSW | 22.377° | 2026-06-21 10:03:42.606Z | 178.189° S |
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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