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HORYU 4, 41340

Orbit data source: Space-Track

HORYU 4, 41340 is a payload satellite owned by Kyutech (JP) in LEO that was launched on Wed, 17 Feb 2016 UTC via an H-IIA 202 launch vehicle from the Tanegashima Space Center (TNSTA). 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.

Not visible in the next 10 days

Iframe embed code

<iframe src="https://www.satcat.com/sats-embedded/41340?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/41340?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

41340, 2016-012D

Orbit

LEO

Country

JP / JPN

Related business

Kyushu Institute of Technology, Cent. Nanosatellite Testing, Tobata Campus (JP)

Manufacturer

Kyutech

Mission

Operational Amateur Technology

Bus & Motor

HORYU, Unknown motor

Mass

10 kg wet, 10 kg dry

Launch date (UTC)

2016-02-17 (10 years ago)

Launch vehicle

H-IIA 202

Launch site

Tanegashima Space Center (TNSTA)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.2 m

Radar Cross Section

0.290 m², Medium (>0.1 m² and < 1m²)

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

TLE from 14 hours ago

0 HORYU 4
1 41340U 16012D   25357.04349295  .00050994  00000-0  82526-3 0  9993
2 41340  30.9930 239.1877 0006752 334.7749  25.2570 15.51506746543151

Epoch: 2025-12-23T01:02Z

TLE epoch observation values (Epoch: 2025-12-23T01:02:37.790Z)

Latitude

-0.00004°

Longitude

131.69727°

Altitude

406.663 km

Speed

7.672 km/s

True Right ascension

15h 56m 45s

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

14:05:15

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

420.826 km

Perigee altitude

411.651 km

Semi-major axis

6,794.375 km

Eccentricity

0.00068

Inclination

30.993°

RAAN

239.1877°

Arg. of periapsis

334.7749°

True anomaly

25.29004°

Mean anomaly

25.257°

Eccentric anomaly

25.27352°

Mean motion

3.87542 °/min

Orbital period

92.89 mins

BSTAR

0.00082526

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Other satellites on launch #12 in the year 2016 (2016-02-17 UTC)

ASTRO H, 41337

ASTRO H DEB, 42675 (Decayed)

ASTRO H DEB, 41441 (Decayed)

ASTRO H DEB, 41444 (Decayed)

CHUBUSAT 3, 41339

CHUBUSAT 2, 41338

ASTRO H DEB, 42674 (Decayed)

ASTRO H DEB, 41445 (Decayed)

H-2A R/B, 41341

ASTRO H DEB, 41439 (Decayed)

H-2A DEB, 45487 (Decayed)

ASTRO H DEB, 41446 (Decayed)

ASTRO H DEB, 41440 (Decayed)

ASTRO H DEB, 41447 (Decayed)

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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.

Click here to try in Sandbox

HORYU 4 Visibility

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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.
HORYU 4 is likely not visible in the next few days.

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 HORYU 4, 41340 on other resources

View HORYU 4, 41340 on NASA - NSSDCA Website

View HORYU 4, 41340 on Heavens-Above

View HORYU 4, 41340 on Keep Track

View HORYU 4, 41340 on Celestrak

View HORYU 4, 41340 on Gunter's Space Page

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

HORYU 4, 41340

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: 2025-12-23T01:02:37.790Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #12 in the year 2016 (2016-02-17 UTC)

HORYU 4 Visibility

Co-orbital & Co-planar RSOs

Check out HORYU 4, 41340 on other resources

Documentation

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