LONGJIANG 3, 56874
Orbit data source: Space-Track
LONGJIANG 3, 56874 is a payload satellite owned by Harbin (CN) in LEO that was launched on Fri, 09 Jun 2023 UTC via a KUAIZHOU-1A 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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56874 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
HITSAT
Mission
Operational Amateur Communications
Bus & Motor
SATWARE-CS200, Unknown motor
Mass
~120 kg wet, ~120 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box, 0.8 m
Radar Cross Section
2.000 m², Medium (>0.1 m² and < 1m²)
Expand to show TLE details & historyLast TLE update: 6 hours ago
TLE from 6 hours ago
0 LONGJIANG 3
1 56874U 23082A 25295.21844672 .00022548 00000-0 74861-3 0 9992
2 56874 49.1099 184.4804 0005834 63.0111 297.1429 15.31043183132767Epoch: 2025-10-22T05:14Z
TLE epoch observation values (Epoch: 2025-10-22T05:14:33.796Z)
Latitude
-0.00008°
Longitude
74.94431°
Altitude
471.334 km
Speed
7.633 km/s
True Right ascension
12h 17m 55s
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
06:37:14
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
477.618 km
Perigee altitude
469.623 km
Semi-major axis
6,851.758 km
Eccentricity
0.00058
Inclination
49.1099°
RAAN
184.4804°
Arg. of periapsis
63.0111°
True anomaly
297.08339°
Mean anomaly
297.1429°
Eccentric anomaly
297.11315°
Mean motion
3.82684 °/min
Orbital period
94.07 mins
BSTAR
0.00074861
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Other satellites on launch #82 in the year 2023 (2023-06-09 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.LONGJIANG 3 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 | 2025-10-22 19:31:05.840Z | 215.213° SW | 2025-10-22 19:34:05.840Z | 147.579° SSE | 36.869° | 2025-10-22 19:37:05.840Z | 69.475° E |
| 4 mins | 2025-10-22 21:11:05.840Z | 296.869° NW | 2025-10-22 21:12:05.840Z | 324.557° NNW | 27.554° | 2025-10-22 21:15:05.840Z | 38.767° NE |
| 4 mins | 2025-10-22 22:50:05.840Z | 329.973° NNW | 2025-10-22 22:51:05.840Z | 350.313° N | 17.804° | 2025-10-22 22:54:05.840Z | 45.699° ENE |
| 4 mins | 2025-10-23 00:29:05.840Z | 339.97° N | 2025-10-23 00:30:05.840Z | 6.075° NNE | 25.453° | 2025-10-23 00:33:05.840Z | 75.633° E |
| 5 mins | 2025-10-23 02:07:05.840Z | 288.329° WNW | 2025-10-23 02:09:05.840Z | 197.07° SSW | 40.841° | 2025-10-23 02:12:05.840Z | 137.006° SSE |
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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