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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https://www.satcat.com/sats-embedded/43644?theme=dark&initialShowStats=false

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Identifier

43644, 2018-077C

Orbit

SSO

Country

CN / PRC

Related business

China Aerospace Science and Technology Corporation (CASC) (CN)

Manufacturer

CALT

Mission

Spacecraft

Bus & Motor

Unknown

Mass

~200 kg wet, ~200 kg dry

Launch date (UTC)

2018-10-09 (8 years ago)

Launch vehicle

Unknown

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Cyl + Cone, 1.5 m

Radar Cross Section

8.247 m², Large (>1 m²)

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Last TLE update: 8 hours ago

TLE from 8 hours ago

0 YZ-1S DEB
1 43644U 18077C   26318.15891172  .00002011  00000-0  32074-3 0  9991
2 43644  97.9045 356.4638 0005563 306.3783  53.6911 14.72981178432711

Epoch: 2026-11-14T03:48Z

TLE epoch observation values (Epoch: 2026-11-14T03:48:49.972Z)

Latitude

-0.00007°

Longitude

-114.01211°

Altitude

652.264 km

Speed

7.533 km/s

True Right ascension

23h 45m 51s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow at epoch

Visualization orbit readout

Latitude

Unknown

Longitude

Unknown

Altitude

Unknown

Speed

Unknown

Apparent Right ascension

Unknown

Apparent Declination

Unknown

Sunlit

N/A

Visualization observer readout

Local Sidereal Time

08:14:54

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

652.526 km

Perigee altitude

644.709 km

Semi-major axis

7,026.755 km

Eccentricity

0.00056

Inclination

97.9045°

RAAN

356.4638°

Arg. of periapsis

306.3783°

True anomaly

53.74249°

Mean anomaly

53.6911°

Eccentric anomaly

53.71679°

Mean motion

3.68478 °/min

Orbital period

97.7 mins

BSTAR

0.00032074

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Other satellites on launch #77 in the year 2018 (2018-10-09 UTC)

YAOGAN-32 B, 43643

YAOGAN-32 A, 43642

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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.
7 mins	2026-11-14 15:48:00.725Z	4.716° NNE	2026-11-14 15:51:00.725Z	316.572° NNW	64.275°	2026-11-14 15:55:00.725Z	204.611° SW
7 mins	2026-11-15 02:46:00.725Z	168.985° S	2026-11-15 02:49:00.725Z	202.278° SSW	81.189°	2026-11-15 02:53:00.725Z	345.96° N

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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

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Check out YZ-1S DEB, 43644 on other resources

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View YZ-1S DEB, 43644 on Celestrak

View YZ-1S DEB, 43644 on Gunter's Space Page

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YZ-1S DEB, 43644

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 8 hours ago

TLE from 8 hours ago

TLE epoch observation values (Epoch: 2026-11-14T03:48:49.972Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #77 in the year 2018 (2018-10-09 UTC)

YZ-1S DEB Visibility forecast

Co-orbital & Co-planar RSOs

Check out YZ-1S DEB, 43644 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 8 hours ago