SZ-22, 66645 (Decayed)
Orbit data source: Space-Track
SZ-22, 66645 was a payload satellite owned by ZZHGB (CN) in LEO that was launched on Tue, 25 Nov 2025 UTC via a CHANG ZHENG 2F 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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66645 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CALT
Mission
Decayed Civil Spaceship
Bus & Motor
SHENZHOU, Unknown motor
Mass
~8,100 kg wet, 3,258 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Cyl + 2 Pan, 14.5 m
Radar Cross Section
39.234 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 3 weeks ago
TLE from 3 weeks ago
0 SZ-22
1 66645U 25272A 26150.95261966 .00020206 00000-0 24547-3 0 9998
2 66645 41.4694 66.8282 0010504 312.1056 47.8889 15.60034833290072Epoch: 2026-05-30T22:51Z
TLE epoch observation values (Epoch: 2026-05-30T22:51:46.338Z)
Latitude
-0.00003°
Longitude
-164.57617°
Altitude
382.395 km
Speed
7.685 km/s
True Right ascension
04h 27m 18s
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
08:32:50
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
396.898 km
Perigee altitude
382.68 km
Semi-major axis
6,767.926 km
Eccentricity
0.00105
Inclination
41.4694°
RAAN
66.8282°
Arg. of periapsis
312.1056°
True anomaly
47.97827°
Mean anomaly
47.8889°
Eccentric anomaly
47.93358°
Mean motion
3.89816 °/min
Orbital period
92.35 mins
BSTAR
0.00024547
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Other satellites on launch #272 in the year 2025 (2025-11-25 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.SZ-22 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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2026-06-21 12:44:52.504Z | 233.472° WSW | 2026-06-21 12:46:52.504Z | 148.667° SSE | 39.696° | 2026-06-21 12:48:52.504Z | 85.201° E |
| 4 mins | 2026-06-21 14:21:52.504Z | 279.773° WNW | 2026-06-21 14:23:52.504Z | 28.924° NE | 40.981° | 2026-06-21 14:25:52.504Z | 76.984° E |
| 4 mins | 2026-06-21 15:58:52.504Z | 282.091° WNW | 2026-06-21 16:00:52.504Z | 111.965° ESE | 43.096° | 2026-06-21 16:02:52.504Z | 105.366° ESE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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