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)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 YZ-1S DEB
1 43644U 18077C   26125.05640904  .00002166  00000-0  35047-3 0  9995
2 43644  97.9223 168.3030 0006876 186.8825 173.2289 14.72273305404296

Epoch: 2026-05-05T01:21Z

TLE epoch observation values (Epoch: 2026-05-05T01:21:13.741Z)

Latitude

-0.00003°

Longitude

-74.94098°

Altitude

661.633 km

Speed

7.524 km/s

True Right ascension

11h 13m 12s

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

16:36:43

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

655.705 km

Perigee altitude

646.039 km

Semi-major axis

7,029.009 km

Eccentricity

0.00069

Inclination

97.9223°

RAAN

168.303°

Arg. of periapsis

186.8825°

True anomaly

173.23818°

Mean anomaly

173.2289°

Eccentric anomaly

173.23354°

Mean motion

3.683 °/min

Orbital period

97.75 mins

BSTAR

0.00035047

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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	2026-05-05 14:59:14.198Z	40.93° NE	2026-05-05 15:02:14.198Z	89.378° E	24.951°	2026-05-05 15:06:14.198Z	154.675° SSE
5 mins	2026-05-05 16:37:14.198Z	329.317° NNW	2026-05-05 16:39:14.198Z	290.37° WNW	23.587°	2026-05-05 16:42:14.198Z	240.905° WSW
5 mins	2026-05-06 01:59:14.198Z	101.905° ESE	2026-05-06 02:01:14.198Z	63.925° ENE	22.206°	2026-05-06 02:04:14.198Z	18.008° NNE
6 mins	2026-05-06 03:35:14.198Z	214.636° SW	2026-05-06 03:37:14.198Z	251.973° W	26.652°	2026-05-06 03:41:14.198Z	322.938° NNW

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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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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings

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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: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-05-05T01:21:13.741Z)

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: 7 hours ago