YZ-1 R/B, 44866

Orbit data source: Space-Track

YZ-1 R/B, 44866 is space debris originally from a launch on Mon, 16 Dec 2019 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.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/44866?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/44866?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

44866, 2019-090C

Orbit

Active

Country

CN / PRC

Related business

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

Manufacturer

CALT

Mission

Spacecraft

Bus & Motor

YZ-1, Unknown motor

Mass

~2,075 kg wet, ~2,075 kg dry

Launch date (UTC)

2019-12-16 (6 years ago)

Launch vehicle

Unknown

Launch site

Xichang Space Center, China (XSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Double Cone, 2.0 m

Radar Cross Section

5.890 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 14 hours ago

TLE from 14 hours ago

0 YZ-1 R/B
1 44866U 19090C   26037.12455359 -.00000033  00000-0  00000+0 0  9995
2 44866  56.2644  73.4917 0070393  37.3336 323.2189  1.78364234 40038

Epoch: 2026-02-06T02:59Z

TLE epoch observation values (Epoch: 2026-02-06T02:59:21.430Z)

Latitude

0.00002°

Longitude

-107.60106°

Altitude

22,181.849 km

Speed

3.746 km/s

True Right ascension

04h 54m 01s

True Declination

0° 00' 00"

Sunlit

Object was in daylight 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

19:16:47

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

22,544.806 km

Perigee altitude

22,140.458 km

Semi-major axis

28,720.769 km

Eccentricity

0.00704

Inclination

56.2644°

RAAN

73.4917°

Arg. of periapsis

37.3336°

True anomaly

322.73249°

Mean anomaly

323.2189°

Eccentric anomaly

322.97604°

Mean motion

0.44591 °/min

Orbital period

807.33 mins

BSTAR

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #90 in the year 2019 (2019-12-16 UTC)

CZ-3B R/B, 44867 (Decayed)

BEIDOU 3M20, 44865

BEIDOU 3M19, 44864

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-1 R/B 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.
486 mins	2026-02-07 05:24:51.645Z	231.661° WSW	2026-02-07 09:46:51.645Z	23.9° NE	43.32°	2026-02-07 13:30:51.645Z	146.961° SSE

Items per page:

1–1 of 1 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-1 R/B, 44866 on other resources

View YZ-1 R/B, 44866 on Heavens-Above

View YZ-1 R/B, 44866 on Keep Track

View YZ-1 R/B, 44866 on Celestrak

View YZ-1 R/B, 44866 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-1 R/B, 44866

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 14 hours ago

TLE from 14 hours ago

TLE epoch observation values (Epoch: 2026-02-06T02:59:21.430Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #90 in the year 2019 (2019-12-16 UTC)

YZ-1 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out YZ-1 R/B, 44866 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 14 hours ago