HAIYANG 2D, 48621
Orbit data source: Space-Track
HAIYANG 2D, 48621 is a Chinese payload satellite in LEO that was launched on Wed, 19 May 2021 UTC via a CHANG ZHENG 4B 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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48621 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SISE
Mission
Operational Civil Earth Obs Sci
Bus & Motor
CAST-968?, Unknown motor
Mass
~1,500 kg wet, ~1,500 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.0 m
Radar Cross Section
2.315 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 21 hours ago
TLE from 21 hours ago
0 HAIYANG 2D
1 48621U 21043A 26172.55787947 .00000037 00000-0 10733-3 0 9998
2 48621 65.9997 293.8179 0011463 268.3016 91.6740 13.83371233257159Epoch: 2026-06-21T13:23Z
TLE epoch observation values (Epoch: 2026-06-21T13:23:20.786Z)
Latitude
0.00005°
Longitude
-176.77512°
Altitude
954.216 km
Speed
7.375 km/s
True Right ascension
19h 35m 16s
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
21:30:13
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
958.846 km
Perigee altitude
942.045 km
Semi-major axis
7,328.582 km
Eccentricity
0.00115
Inclination
65.9997°
RAAN
293.8179°
Arg. of periapsis
268.3016°
True anomaly
91.80529°
Mean anomaly
91.674°
Eccentric anomaly
91.73965°
Mean motion
3.4595 °/min
Orbital period
104.06 mins
BSTAR
0.00010733
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Other satellites on launch #43 in the year 2021 (2021-05-19 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.HAIYANG 2D 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 | 2026-06-22 10:28:12.340Z | 351.514° N | 2026-06-22 10:28:12.340Z | 351.514° N | 33.571° | 2026-06-22 10:32:12.340Z | 20.725° NNE |
| 9 mins | 2026-06-22 17:42:12.340Z | 356.104° N | 2026-06-22 17:46:12.340Z | 51.771° ENE | 28.597° | 2026-06-22 17:51:12.340Z | 110.041° ESE |
| 9 mins | 2026-06-22 19:29:12.340Z | 310.594° NW | 2026-06-22 19:33:12.340Z | 250.502° W | 35.467° | 2026-06-22 19:38:12.340Z | 180.296° SSW |
| 10 mins | 2026-06-23 08:53:12.340Z | 178.91° S | 2026-06-23 08:58:12.340Z | 102.784° ESE | 35.434° | 2026-06-23 09:03:12.340Z | 43.754° NE |
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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