Showing default

YUNHAI 2-1E, 43913

Orbit data source: Space-Track

YUNHAI 2-1E, 43913 is a payload satellite owned by CASC (CN) in LEO that was launched on Sat, 29 Dec 2018 UTC via a CHANG ZHENG 2D/YZ-3 launch vehicle from the Jiuquan Satellite Launch Center, China (JSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.

Loading next visibility...

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/43913?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/43913?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

43913, 2018-112E

Orbit

LEO

Country

CN / PRC

Related business

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

Manufacturer

DFH Shenzhen

Mission

Operational Defense Meteo Radio Occ.

Bus & Motor

YH-2, Unknown motor

Mass

~100 kg wet, ~100 kg dry

Launch date (UTC)

2018-12-29 (7 years ago)

Launch vehicle

CHANG ZHENG 2D/YZ-3

Launch site

Jiuquan Satellite Launch Center, China (JSC)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box + 2 Pan, 0.5 m

Radar Cross Section

0.166 m², Large (>1 m²)

Expand to show TLE details & history
Last TLE update: 5 hours ago

TLE from 5 hours ago

0 YUNHAI 2-1E
1 43913U 18112E   26035.21057201  .00000105  00000-0  10486-3 0  9995
2 43913  50.0083  11.2141 0005302 260.6628  99.3687 14.28946414370148

Epoch: 2026-02-04T05:03Z

TLE epoch observation values (Epoch: 2026-02-04T05:03:13.421Z)

Latitude

-0.00009°

Longitude

161.02769°

Altitude

796.407 km

Speed

7.456 km/s

True Right ascension

00h 44m 51s

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

12:23:34

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

799.797 km

Perigee altitude

792.189 km

Semi-major axis

7,174.13 km

Eccentricity

0.00053

Inclination

50.0083°

RAAN

11.2141°

Arg. of periapsis

260.6628°

True anomaly

99.42864°

Mean anomaly

99.3687°

Eccentric anomaly

99.39867°

Mean motion

3.57182 °/min

Orbital period

100.79 mins

BSTAR

0.00010486

Loading maneuver chart data...

Computing Atmospheric mass density...

Loading historical data...

Other satellites on launch #112 in the year 2018 (2018-12-29 UTC)

CZ-2D R/B, 43916 (Decayed)

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

YUNHAI 2-1E 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.
6 mins	2026-02-04 23:39:38.307Z	167.037° S	2026-02-04 23:42:38.307Z	129.491° SE	18.727°	2026-02-04 23:45:38.307Z	91.557° ESE
9 mins	2026-02-05 01:23:38.307Z	234.314° WSW	2026-02-05 01:27:38.307Z	59.217° ENE	44.962°	2026-02-05 01:32:38.307Z	55.993° ENE
8 mins	2026-02-05 03:09:38.307Z	286.174° WNW	2026-02-05 03:13:38.307Z	348.443° N	29.644°	2026-02-05 03:17:38.307Z	45.498° ENE
8 mins	2026-02-05 04:56:38.307Z	315.708° NNW	2026-02-05 04:59:38.307Z	358° N	26.036°	2026-02-05 05:04:38.307Z	65.993° ENE
9 mins	2026-02-05 06:42:38.307Z	314.02° NW	2026-02-05 06:46:38.307Z	41.069° NE	40.006°	2026-02-05 06:51:38.307Z	106.678° ESE
8 mins	2026-02-05 08:28:38.307Z	278.271° WNW	2026-02-05 08:31:38.307Z	225.59° WSW	31.025°	2026-02-05 08:36:38.307Z	159.619° S

Items per page:

1–6 of 6 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 YUNHAI 2-1E, 43913 on other resources

View YUNHAI 2-1E, 43913 on NASA - NSSDCA Website

View YUNHAI 2-1E, 43913 on Heavens-Above

View YUNHAI 2-1E, 43913 on Keep Track

View YUNHAI 2-1E, 43913 on Celestrak

View YUNHAI 2-1E, 43913 on Gunter's Space Page

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

YUNHAI 2-1E, 43913

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 5 hours ago

TLE from 5 hours ago

TLE epoch observation values (Epoch: 2026-02-04T05:03:13.421Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #112 in the year 2018 (2018-12-29 UTC)

YUNHAI 2-1E Visibility forecast

Co-orbital & Co-planar RSOs

Check out YUNHAI 2-1E, 43913 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 5 hours ago