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: 8 hours ago
TLE from 8 hours ago
0 LONGJIANG 3
1 56874U 23082A 25356.96126881 .00020061 00000-0 60604-3 0 9995
2 56874 49.1071 230.2027 0005127 317.8736 42.1816 15.34140331142239Epoch: 2025-12-22T23:04Z
TLE epoch observation values (Epoch: 2025-12-22T23:04:13.625Z)
Latitude
-0.00002°
Longitude
152.39405°
Altitude
461.334 km
Speed
7.639 km/s
True Right ascension
15h 20m 48s
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
06:09:46
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
467.907 km
Perigee altitude
460.891 km
Semi-major axis
6,842.536 km
Eccentricity
0.00051
Inclination
49.1071°
RAAN
230.2027°
Arg. of periapsis
317.8736°
True anomaly
42.22107°
Mean anomaly
42.1816°
Eccentric anomaly
42.20133°
Mean motion
3.83458 °/min
Orbital period
93.88 mins
BSTAR
0.00060604
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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. |
|---|---|---|---|---|---|---|---|
| 5 mins | 2025-12-23 17:59:56.429Z | 192.973° SSW | 2025-12-23 18:02:56.429Z | 122.951° SE | 24.726° | 2025-12-23 18:04:56.429Z | 83.354° E |
| 5 mins | 2025-12-23 19:37:56.429Z | 266.664° W | 2025-12-23 19:39:56.429Z | 311.902° NW | 34.035° | 2025-12-23 19:42:56.429Z | 43.067° NE |
| 4 mins | 2025-12-23 22:55:56.429Z | 330.753° NNW | 2025-12-23 22:57:56.429Z | 15.259° NNE | 21.669° | 2025-12-23 22:59:56.429Z | 58.188° ENE |
| 5 mins | 2025-12-24 00:33:56.429Z | 306.008° NW | 2025-12-24 00:35:56.429Z | 329.995° NNW | 43.127° | 2025-12-24 00:38:56.429Z | 118.351° SE |
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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