HULIANWANG DIGUI-111, 66921
Orbit data source: Space-Track
HULIANWANG DIGUI-111, 66921 is a payload satellite owned by Zhongguo Xingwang (CN) in LEO that was launched on Sat, 06 Dec 2025 UTC via a CHANG ZHENG 8A launch vehicle from the Wenchang Satellite Launch Center (WSC). 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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66921 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Civil Communications
Bus & Motor
XINGWANG C, Unknown motor
Mass
~700 kg wet, ~700 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 14.5 m
Radar Cross Section
5.935 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 17 hours ago
TLE from 17 hours ago
0 HULIANWANG DIGUI-111
1 66921U 25285G 26171.20823606 -.00000139 00000-0 -33233-4 0 9993
2 66921 50.0121 135.0591 0001094 305.3779 54.6991 13.29324404 26461Epoch: 2026-06-20T04:59Z
TLE epoch observation values (Epoch: 2026-06-20T04:59:51.595Z)
Latitude
-0.00002°
Longitude
151.66795°
Altitude
1,149.344 km
Speed
7.28 km/s
True Right ascension
09h 00m 14s
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
08:33:19
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,150.84 km
Perigee altitude
1,149.193 km
Semi-major axis
7,528.153 km
Eccentricity
0.00011
Inclination
50.0121°
RAAN
135.0591°
Arg. of periapsis
305.3779°
True anomaly
54.70933°
Mean anomaly
54.6991°
Eccentric anomaly
54.70422°
Mean motion
3.32285 °/min
Orbital period
108.34 mins
BSTAR
-0.000033233
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Other satellites on launch #285 in the year 2025 (2025-12-06 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.HULIANWANG DIGUI-111 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. |
|---|---|---|---|---|---|---|---|
| 12 mins | 2026-06-20 23:09:21.488Z | 189.417° SSW | 2026-06-20 23:15:21.488Z | 131.716° SE | 28.328° | 2026-06-20 23:21:21.488Z | 72.112° E |
| 13 mins | 2026-06-21 01:02:21.488Z | 242.537° WSW | 2026-06-21 01:08:21.488Z | 300.015° NW | 44.113° | 2026-06-21 01:15:21.488Z | 54.426° ENE |
| 11 mins | 2026-06-21 02:58:21.488Z | 290.359° WNW | 2026-06-21 03:03:21.488Z | 352.678° N | 32.886° | 2026-06-21 03:09:21.488Z | 56.317° ENE |
| 11 mins | 2026-06-21 04:53:21.488Z | 311.405° NW | 2026-06-21 04:58:21.488Z | 14.794° NNE | 34.51° | 2026-06-21 05:04:21.488Z | 81.792° E |
| 13 mins | 2026-06-21 06:46:21.488Z | 303.583° NW | 2026-06-21 06:52:21.488Z | 286.156° WNW | 44.817° | 2026-06-21 06:59:21.488Z | 127.449° SE |
| 9 mins | 2026-06-21 08:41:21.488Z | 275.341° WNW | 2026-06-21 08:45:21.488Z | 236.044° WSW | 22.529° | 2026-06-21 08:50:21.488Z | 187.096° SSW |
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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