HJ-2A, 46478
Orbit data source: Space-Track
HJ-2A, 46478 is a payload satellite owned by CRESDA (CN) in SSO that was launched on Sun, 27 Sep 2020 UTC via a CHANG ZHENG 4B launch vehicle from the Taiyaun Space Center, China (TSC). 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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46478 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
DFH
Mission
Operational Civil Imaging
Bus & Motor
CAST-2000, Unknown motor
Mass
510 kg wet, 510 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, Unknown HBR
Radar Cross Section
2.715 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 8 hours ago
TLE from 8 hours ago
0 HJ-2A
1 46478U 20067A 25307.90760336 .00000232 00000-0 40523-4 0 9990
2 46478 97.9042 26.3705 0002100 260.7662 99.3311 14.76488947275016Epoch: 2025-11-03T21:46Z
TLE epoch observation values (Epoch: 2025-11-03T21:46:56.930Z)
Latitude
0.00004°
Longitude
16.23105°
Altitude
643.685 km
Speed
7.536 km/s
True Right ascension
01h 45m 28s
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
01:39:43
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
638.948 km
Perigee altitude
636.001 km
Semi-major axis
7,015.612 km
Eccentricity
0.00021
Inclination
97.9042°
RAAN
26.3705°
Arg. of periapsis
260.7662°
True anomaly
99.35484°
Mean anomaly
99.3311°
Eccentric anomaly
99.34297°
Mean motion
3.69356 °/min
Orbital period
97.47 mins
BSTAR
0.000040523
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Other satellites on launch #67 in the year 2020 (2020-09-27 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.HJ-2A 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. |
|---|---|---|---|---|---|---|---|
| 7 mins | 2025-11-04 06:02:16.445Z | 204.902° SW | 2025-11-04 06:05:16.445Z | 258.355° W | 27.969° | 2025-11-04 06:09:16.445Z | 326.202° NNW |
| 7 mins | 2025-11-04 17:53:16.445Z | 31.615° NE | 2025-11-04 17:56:16.445Z | 109.678° ESE | 37.048° | 2025-11-04 18:00:16.445Z | 175.082° S |
| 6 mins | 2025-11-05 04:50:16.445Z | 124.733° SE | 2025-11-05 04:52:16.445Z | 79.369° E | 31.671° | 2025-11-05 04:56:16.445Z | 5.375° NNE |
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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