LKW-3, 43146
Orbit data source: Space-Track
LKW-3, 43146 is a Chinese payload satellite in SSO that was launched on Sat, 13 Jan 2018 UTC via a CHANG ZHENG 2D 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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43146 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST?
Mission
Operational Defense Imaging
Bus & Motor
LKW, Unknown motor
Mass
~2,000 kg wet, ~2,000 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Hex Cyl + 3 Pan, 5.0 m
Radar Cross Section
8.135 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 LKW-3
1 43146U 18006A 25257.65617024 .00008429 00000-0 31264-3 0 9997
2 43146 97.6301 44.4917 0003289 186.1415 173.9784 15.27862506426534Epoch: 2025-09-14T15:44Z
TLE epoch observation values (Epoch: 2025-09-14T15:44:53.108Z)
Latitude
-0.00004°
Longitude
174.39837°
Altitude
487.542 km
Speed
7.62 km/s
True Right ascension
02h 57m 58s
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
01:42:09
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
481.424 km
Perigee altitude
476.913 km
Semi-major axis
6,857.305 km
Eccentricity
0.00033
Inclination
97.6301°
RAAN
44.4917°
Arg. of periapsis
186.1415°
True anomaly
173.98235°
Mean anomaly
173.9784°
Eccentric anomaly
173.98038°
Mean motion
3.8222 °/min
Orbital period
94.19 mins
BSTAR
0.00031264
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Other satellites on launch #6 in the year 2018 (2018-01-13 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.LKW-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 | 2025-09-15 09:11:18.240Z | 115.508° SE | 2025-09-15 09:13:18.240Z | 74.075° E | 21.28° | 2025-09-15 09:15:18.240Z | 28.934° NE |
| 4 mins | 2025-09-15 10:45:18.240Z | 234.048° WSW | 2025-09-15 10:46:18.240Z | 254.5° W | 17.899° | 2025-09-15 10:49:18.240Z | 311.833° NW |
| 4 mins | 2025-09-15 22:12:18.240Z | 59.78° ENE | 2025-09-15 22:13:18.240Z | 86.748° E | 25.163° | 2025-09-15 22:16:18.240Z | 154.899° 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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