SJ-25, 62485
Orbit data source: Space-Track
SJ-25, 62485 is a payload satellite owned by SAST (CN) in GEO that was launched on Mon, 06 Jan 2025 UTC via a CHANG ZHENG 3B launch vehicle from the Xichang Space Center, China (XSC). 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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62485 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST?
Mission
Operational Defense Technology
Bus & Motor
SJ21, Unknown motor
Mass
~5,000 kg wet, ~2,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 3.4 m
Radar Cross Section
34.063 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 SJ-25
1 62485U 25002A 25302.74202956 -.00000333 00000-0 00000+0 0 9990
2 62485 4.5945 62.5756 0055867 167.9148 203.4025 1.00273960 3054Epoch: 2025-10-29T17:48Z
TLE epoch observation values (Epoch: 2025-10-29T17:48:31.353Z)
Latitude
0.88034°
Longitude
128.12776°
Altitude
36,002.4 km
Speed
3.059 km/s
True Right ascension
04h 54m 16s
True Declination
0° 52' 46"
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
10:13:37
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,022.61 km
Perigee altitude
35,551.481 km
Semi-major axis
42,165.183 km
Eccentricity
0.00559
Inclination
4.5945°
RAAN
62.5756°
Arg. of periapsis
167.9148°
True anomaly
203.14985°
Mean anomaly
203.4025°
Eccentric anomaly
203.27601°
Mean motion
0.25068 °/min
Orbital period
1,436.12 mins
BSTAR
0
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Other satellites on launch #2 in the year 2025 (2025-01-06 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-25 Visibility
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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. |
|---|---|---|---|---|---|---|---|
| SJ-25 is likely not visible in the next few days. |
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62485 neighbors
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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 |
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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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 |
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