YZ-1S DEB, 43644
Orbit data source: Space-Track
YZ-1S DEB, 43644 is space debris in SSO originally from a launch on Tue, 09 Oct 2018 UTC launched from the Jiuquan Satellite Launch Center, China (JSC). 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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43644 intel report (Beta)
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Edit Public Description
Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CALT
Mission
Spacecraft
Bus & Motor
Unknown
Mass
~200 kg wet, ~200 kg dry
Launch date (UTC)
Launch vehicle
Unknown
Launch site
Object type
Shape & HBR
Cyl + Cone, 1.5 m
Radar Cross Section
8.247 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 11 hours ago
TLE from 11 hours ago
0 YZ-1S DEB
1 43644U 18077C 25308.11759691 .00003412 00000-0 56388-3 0 9994
2 43644 97.9506 350.8165 0008274 69.0318 291.1773 14.70982264377533Epoch: 2025-11-04T02:49Z
TLE epoch observation values (Epoch: 2025-11-04T02:49:20.373Z)
Latitude
-0.00004°
Longitude
-95.1276°
Altitude
658.842 km
Speed
7.529 km/s
True Right ascension
23h 23m 15s
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
09:59:17
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
660.808 km
Perigee altitude
649.17 km
Semi-major axis
7,033.126 km
Eccentricity
0.00083
Inclination
97.9506°
RAAN
350.8165°
Arg. of periapsis
69.0318°
True anomaly
291.08886°
Mean anomaly
291.1773°
Eccentric anomaly
291.13308°
Mean motion
3.67977 °/min
Orbital period
97.83 mins
BSTAR
0.00056388
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Other satellites on launch #77 in the year 2018 (2018-10-09 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-1S DEB 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. |
|---|---|---|---|---|---|---|---|
| 6 mins | 2025-11-04 14:50:29.200Z | 50.588° ENE | 2025-11-04 14:53:29.200Z | 95.089° ESE | 18.091° | 2025-11-04 14:56:29.200Z | 138.111° SSE |
| 7 mins | 2025-11-04 16:27:29.200Z | 347.933° N | 2025-11-04 16:30:29.200Z | 285.079° WNW | 31.554° | 2025-11-04 16:34:29.200Z | 221.575° SW |
| 4 mins | 2025-11-05 01:51:29.200Z | 86.24° E | 2025-11-05 01:52:29.200Z | 70.45° E | 16.213° | 2025-11-05 01:55:29.200Z | 26.961° NE |
| 7 mins | 2025-11-05 03:26:29.200Z | 196.27° SSW | 2025-11-05 03:29:29.200Z | 268.752° W | 35.16° | 2025-11-05 03:33:29.200Z | 333.922° NNW |
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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