HAIYANG 1D, 45721
Orbit data source: Space-Track
HAIYANG 1D, 45721 is a Chinese payload satellite in SSO that was launched on Wed, 10 Jun 2020 UTC via a CHANG ZHENG 2C 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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45721 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
DFH
Mission
Operational Civil Imaging
Bus & Motor
CAST-968, Unknown motor
Mass
442 kg wet, 429 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, Unknown HBR
Radar Cross Section
3.660 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 HAIYANG 1D
1 45721U 20036A 26172.50793922 .00000101 00000-0 51312-4 0 9993
2 45721 98.4557 114.0937 0003619 118.8845 241.2704 14.34174495315593Epoch: 2026-06-21T12:11Z
TLE epoch observation values (Epoch: 2026-06-21T12:11:25.948Z)
Latitude
0.00001°
Longitude
21.52837°
Altitude
781.999 km
Speed
7.462 km/s
True Right ascension
07h 36m 22s
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
21:33:38
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
777.527 km
Perigee altitude
772.35 km
Semi-major axis
7,153.076 km
Eccentricity
0.00036
Inclination
98.4557°
RAAN
114.0937°
Arg. of periapsis
118.8845°
True anomaly
241.23404°
Mean anomaly
241.2704°
Eccentric anomaly
241.25222°
Mean motion
3.5876 °/min
Orbital period
100.35 mins
BSTAR
0.000051312
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Other satellites on launch #36 in the year 2020 (2020-06-10 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 1D 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 10:32:37.268Z | 323.771° NNW | 2026-06-22 10:34:37.268Z | 299.114° NW | 13.765° | 2026-06-22 10:36:37.268Z | 274.353° WNW |
| 8 mins | 2026-06-22 20:07:37.268Z | 167.261° S | 2026-06-22 20:11:37.268Z | 310.473° NW | 44.846° | 2026-06-22 20:15:37.268Z | 345.614° N |
| 7 mins | 2026-06-23 08:19:37.268Z | 41.911° NE | 2026-06-23 08:22:37.268Z | 92.093° ESE | 29.24° | 2026-06-23 08:26:37.268Z | 157.082° SSE |
| 6 mins | 2026-06-23 09:59:37.268Z | 332.347° NNW | 2026-06-23 10:01:37.268Z | 299.044° NW | 24.663° | 2026-06-23 10:05:37.268Z | 240.087° WSW |
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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