YUNHAI 1-03, 53877
Orbit data source: Space-Track
YUNHAI 1-03, 53877 is a payload satellite owned by SAST (CN) in SSO that was launched on Tue, 20 Sep 2022 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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53877 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
SAST
Mission
Operational Defense Weather
Bus & Motor
YUNHAI-1, Unknown motor
Mass
~800 kg wet, ~800 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 2 Pan, 2.0 m
Radar Cross Section
5.141 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 22 hours ago
TLE from 22 hours ago
0 YUNHAI 1-03
1 53877U 22115A 26172.51736652 .00000261 00000-0 11187-3 0 9994
2 53877 98.5533 170.6095 0005599 45.3654 314.7985 14.32720824196138Epoch: 2026-06-21T12:25Z
TLE epoch observation values (Epoch: 2026-06-21T12:25:00.467Z)
Latitude
-0.00009°
Longitude
74.64107°
Altitude
782.763 km
Speed
7.464 km/s
True Right ascension
11h 22m 26s
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
21:26:54
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
783.792 km
Perigee altitude
775.777 km
Semi-major axis
7,157.922 km
Eccentricity
0.00056
Inclination
98.5533°
RAAN
170.6095°
Arg. of periapsis
45.3654°
True anomaly
314.75295°
Mean anomaly
314.7985°
Eccentric anomaly
314.77573°
Mean motion
3.58396 °/min
Orbital period
100.45 mins
BSTAR
0.00011187
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Other satellites on launch #115 in the year 2022 (2022-09-20 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.YUNHAI 1-03 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. |
|---|---|---|---|---|---|---|---|
| 9 mins | 2026-06-22 12:27:53.802Z | 24.414° NE | 2026-06-22 12:31:53.802Z | 90.948° ESE | 39.956° | 2026-06-22 12:36:53.802Z | 179.164° S |
| 5 mins | 2026-06-22 14:08:53.802Z | 324.868° NNW | 2026-06-22 14:10:53.802Z | 297.761° NW | 16.932° | 2026-06-22 14:13:53.802Z | 259.773° W |
| 8 mins | 2026-06-22 23:44:53.802Z | 158.177° S | 2026-06-22 23:47:53.802Z | 117.995° SE | 43.845° | 2026-06-22 23:52:53.802Z | 349.881° N |
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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