YZ-1 R/B, 40751

Orbit data source: Space-Track

YZ-1 R/B, 40751 is space debris originally from a launch on Sat, 25 Jul 2015 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.

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Iframe URL

https://www.satcat.com/sats-embedded/40751?theme=dark&initialShowStats=false

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Identifier

40751, 2015-037D

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)

2015-07-25 (11 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: 2 days ago

TLE from 2 days ago

0 YZ-1 R/B
1 40751U 15037D   26067.50422939 -.00000110  00000-0  00000-0 0  9991
2 40751  56.4329 344.9704 1022417  74.7766 296.2798  1.56591266 60755

Epoch: 2026-03-08T12:06Z

TLE epoch observation values (Epoch: 2026-03-08T12:06:05.419Z)

Latitude

0.00004°

Longitude

-2.75829°

Altitude

23,806.495 km

Speed

3.7 km/s

True Right ascension

22h 59m 53s

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

23:50:07

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

28,149.466 km

Perigee altitude

21,744.046 km

Semi-major axis

31,324.893 km

Eccentricity

0.10224

Inclination

56.4329°

RAAN

344.9704°

Arg. of periapsis

74.7766°

True anomaly

285.21586°

Mean anomaly

296.2798°

Eccentric anomaly

290.80371°

Mean motion

0.39148 °/min

Orbital period

919.59 mins

BSTAR

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Computing Atmospheric mass density...

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Other satellites on launch #37 in the year 2015 (2015-07-25 UTC)

BD-19, 40749

CZ-3B R/B, 40750

BD-18, 40748

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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.

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YZ-1 R/B 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.
372 mins	2026-03-11 03:20:38.065Z	305.473° NW	2026-03-11 06:14:38.065Z	266.038° W	42.784°	2026-03-11 09:32:38.065Z	203.2° SW
238 mins	2026-03-11 15:38:38.065Z	149.014° SSE	2026-03-11 18:23:38.065Z	88.299° E	39.824°	2026-03-11 19:36:38.065Z	48.223° ENE

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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-1 R/B, 40751 on other resources

View YZ-1 R/B, 40751 on Heavens-Above

View YZ-1 R/B, 40751 on Keep Track

View YZ-1 R/B, 40751 on Celestrak

View YZ-1 R/B, 40751 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, 40751

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: 2026-03-08T12:06:05.419Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #37 in the year 2015 (2015-07-25 UTC)

YZ-1 R/B Visibility forecast

Co-orbital & Co-planar RSOs

Check out YZ-1 R/B, 40751 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 2 days ago