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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/43644?theme=dark&initialShowStats=false" width="600" height="400" frameborder="0" title="Kayhan Space Satcat Satellite Viewer"></iframe>

Iframe URL

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

Optional Secondary NORAD IDs

Max 10 NORAD IDs; Separated by commas

Initial load time (optional)

ISO8601 Format

TLE date request (optional)

ISO8601 Format

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: 2 days ago

TLE from 2 days ago

0 YZ-1S DEB
1 43644U 18077C   26171.40430238  .00001740  00000-0  28167-3 0  9994
2 43644  97.9198 213.4804 0008082  60.6727 299.5287 14.72478468411115

Epoch: 2026-06-20T09:42Z

TLE epoch observation values (Epoch: 2026-06-20T09:42:11.725Z)

Latitude

-0.00006°

Longitude

159.31214°

Altitude

653.38 km

Speed

7.532 km/s

True Right ascension

14h 13m 55s

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

02:13:23

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

655.899 km

Perigee altitude

644.538 km

Semi-major axis

7,028.356 km

Eccentricity

0.00081

Inclination

97.9198°

RAAN

213.4804°

Arg. of periapsis

60.6727°

True anomaly

299.44808°

Mean anomaly

299.5287°

Eccentric anomaly

299.48839°

Mean motion

3.68352 °/min

Orbital period

97.73 mins

BSTAR

0.00028167

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

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

YAOGAN-32 A, 43642

YAOGAN-32 B, 43643

Did you know?

You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.

Click here to try in Sandbox

YZ-1S DEB Visibility forecast

Loading observer location...
Set Observer location

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	2026-06-22 16:05:36.301Z	357.742° N	2026-06-22 16:08:36.301Z	302.328° NW	37.358°	2026-06-22 16:12:36.301Z	214.089° SW
6 mins	2026-06-23 03:04:36.301Z	184.418° SSW	2026-06-23 03:06:36.301Z	224.432° SW	40.398°	2026-06-23 03:10:36.301Z	338.295° N
5 mins	2026-06-23 14:57:36.301Z	56.226° ENE	2026-06-23 14:59:36.301Z	96.744° ESE	24.791°	2026-06-23 15:02:36.301Z	148.284° SSE

Items per page:

1–3 of 3 items

of 1 page

Co-orbital & Co-planar RSOs

Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions

Please sign-in to view Co-orbital & Co-planar RSOs.

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

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

Authenticating...

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

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

View YZ-1S DEB, 43644 on Heavens-Above

View YZ-1S DEB, 43644 on Keep Track

View YZ-1S DEB, 43644 on Celestrak

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

Satcat and Kayhan Space are not affiliated with NASA, Celestrak, Heavens-Above, Keep Track, or Gunter's Space Page.

YZ-1S DEB, 43644

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 2 days ago

TLE from 2 days ago

TLE epoch observation values (Epoch: 2026-06-20T09:42:11.725Z)

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: 2 days ago