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: 16 hours ago
TLE from 16 hours ago
0 LONGJIANG 3
1 56874U 23082A 25348.94934856 .00023463 00000-0 71415-3 0 9994
2 56874 49.1080 271.0726 0005387 286.6940 73.3415 15.33804035141008Epoch: 2025-12-14T22:47Z
TLE epoch observation values (Epoch: 2025-12-14T22:47:03.715Z)
Latitude
-0.00004°
Longitude
-154.54784°
Altitude
463.878 km
Speed
7.637 km/s
True Right ascension
18h 04m 17s
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
13:26:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
469.085 km
Perigee altitude
461.712 km
Semi-major axis
6,843.536 km
Eccentricity
0.00054
Inclination
49.108°
RAAN
271.0726°
Arg. of periapsis
286.694°
True anomaly
73.40065°
Mean anomaly
73.3415°
Eccentric anomaly
73.37107°
Mean motion
3.83374 °/min
Orbital period
93.9 mins
BSTAR
0.00071415
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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. |
|---|---|---|---|---|---|---|---|
| 4 mins | 2025-12-15 20:50:34.736Z | 170.103° S | 2025-12-15 20:52:34.736Z | 130.002° SE | 17.699° | 2025-12-15 20:54:34.736Z | 93.403° ESE |
| 6 mins | 2025-12-15 22:27:34.736Z | 251.279° W | 2025-12-15 22:30:34.736Z | 13.305° NNE | 39.721° | 2025-12-15 22:33:34.736Z | 52.628° ENE |
| 6 mins | 2025-12-16 03:23:34.736Z | 313.723° NW | 2025-12-16 03:26:34.736Z | 59.874° ENE | 37.529° | 2025-12-16 03:29:34.736Z | 106.781° ESE |
| 4 mins | 2025-12-16 05:02:34.736Z | 255.579° W | 2025-12-16 05:03:34.736Z | 233.05° WSW | 20.604° | 2025-12-16 05:06:34.736Z | 173.694° S |
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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