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HONGYAN 1, 43914

Orbit data source: Space-Track

HONGYAN 1, 43914 is a payload satellite owned by Yidong Tongxin (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.

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https://www.satcat.com/sats-embedded/43914?theme=dark&initialShowStats=false

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Identifier

43914, 2018-112F

Orbit

LEO

Country

CN / PRC

Related business

Shenzhen Hangtian DongFangHong Weixing Yidong Tongxin YG (CN)

Manufacturer

DFH Shenzhen

Mission

Operational Commercial Communications

Bus & Motor

HONGYAN, Unknown motor

Mass

~500 kg wet, ~500 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, 2.5 m

Radar Cross Section

3.085 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 15 hours ago

TLE from 15 hours ago

0 HONGYAN 1
1 43914U 18112F   26124.73328147 -.00000115  00000-0  24749-4 0  9992
2 43914  50.0095  36.8382 0006603 124.5583 235.5919 13.43818339360696

Epoch: 2026-05-04T17:35Z

TLE epoch observation values (Epoch: 2026-05-04T17:35:55.519Z)

Latitude

-0.00007°

Longitude

-89.76143°

Altitude

1,098.39 km

Speed

7.303 km/s

True Right ascension

02h 27m 21s

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

16:32:57

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

1,100.733 km

Perigee altitude

1,090.863 km

Semi-major axis

7,473.935 km

Eccentricity

0.00066

Inclination

50.0095°

RAAN

36.8382°

Arg. of periapsis

124.5583°

True anomaly

235.5295°

Mean anomaly

235.5919°

Eccentric anomaly

235.5607°

Mean motion

3.35907 °/min

Orbital period

107.17 mins

BSTAR

0.000024749

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

YUNHAI 2-1C, 43911

YUNHAI 2-1D, 43912

YUNHAI 2-1F, 43915

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

YUNHAI 2-1E, 43913

YUNHAI 2-1B, 43910

YUNHAI 2-1A, 43909

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HONGYAN 1 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.
6 mins	2026-05-05 18:43:28.840Z	147.073° SSE	2026-05-05 18:46:28.840Z	120.113° SE	13.907°	2026-05-05 18:49:28.840Z	94.264° ESE
11 mins	2026-05-05 20:32:28.840Z	214.329° SW	2026-05-05 20:37:28.840Z	140.096° SSE	41.794°	2026-05-05 20:43:28.840Z	61.681° ENE
12 mins	2026-05-05 22:24:28.840Z	267.502° W	2026-05-05 22:30:28.840Z	348.103° N	37.395°	2026-05-05 22:36:28.840Z	52.615° ENE
11 mins	2026-05-06 00:18:28.840Z	301.153° NW	2026-05-06 00:23:28.840Z	356.257° N	30.706°	2026-05-06 00:29:28.840Z	64.879° ENE
12 mins	2026-05-06 02:11:28.840Z	308.845° NW	2026-05-06 02:17:28.840Z	29.903° NE	40.101°	2026-05-06 02:23:28.840Z	101.781° ESE
11 mins	2026-05-06 04:04:28.840Z	292.443° WNW	2026-05-06 04:09:28.840Z	231.236° WSW	37.414°	2026-05-06 04:15:28.840Z	154.016° SSE

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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 HONGYAN 1, 43914 on other resources

View HONGYAN 1, 43914 on NASA - NSSDCA Website

View HONGYAN 1, 43914 on Heavens-Above

View HONGYAN 1, 43914 on Keep Track

View HONGYAN 1, 43914 on Celestrak

View HONGYAN 1, 43914 on Gunter's Space Page

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

HONGYAN 1, 43914

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 15 hours ago

TLE from 15 hours ago

TLE epoch observation values (Epoch: 2026-05-04T17:35:55.519Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

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

HONGYAN 1 Visibility forecast

Co-orbital & Co-planar RSOs

Check out HONGYAN 1, 43914 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 15 hours ago