YZ-1 R/B, 66553
Orbit data source: Space-Track
YZ-1 R/B, 66553 is space debris in GEO originally from a launch on Fri, 05 Sep 2025 UTC launched from the Xichang Space Center, China (XSC). Debris objects in space refer to the collection of defunct objects orbiting the Earth. Examples of debris include non-operational satellites, rocket bodies, and fragments generated from explosions, collisions, or faulty payload assembly.
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CALT
Mission
Spacecraft
Bus & Motor
YZ-1, Unknown motor
Mass
2,075 kg wet, 2,075 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Unknown
Radar Cross Section
RCS unknown
Expand to show TLE details & historyLast TLE update: 5 days ago
TLE from 5 days ago
0 YZ-1 R/B
1 66553U 25196C 26166.89644709 -.00000219 00000-0 00000+0 0 9998
2 66553 28.7125 18.8285 0095026 238.2542 120.8362 0.98089782 2861Epoch: 2026-06-15T21:30Z
TLE epoch observation values (Epoch: 2026-06-15T21:30:53.028Z)
Latitude
0°
Longitude
151.956°
Altitude
36,621.185 km
Speed
3.037 km/s
True Right ascension
01h 15m 24s
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
07:18:12
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
36,816.902 km
Perigee altitude
36,003.699 km
Semi-major axis
42,788.437 km
Eccentricity
0.0095
Inclination
28.7125°
RAAN
18.8285°
Arg. of periapsis
238.2542°
True anomaly
121.76548°
Mean anomaly
120.8362°
Eccentric anomaly
121.30141°
Mean motion
0.24522 °/min
Orbital period
1,468.08 mins
BSTAR
0
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Other satellites on launch #196 in the year 2025 (2025-09-05 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.YZ-1 R/B Visibility
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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. |
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| YZ-1 R/B is likely not visible in the next few days. |
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66553 neighbors
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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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Click to sort rows by Secondary header in ascending order | Click to sort rows by Secondary name header in ascending order | Click to sort rows by Country header in ascending order | Click to sort rows by Owner header in ascending order | Click to sort rows by Obj. Type header in ascending order | Click to sort rows by Miss dist. header in ascending order | Click to sort rows by Rel. speed header in ascending order | Click to sort rows by Apr. angle header in ascending order | Click to sort rows by TCA header in descending order |
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