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AUTCUBE 2, 43681

Orbit data source: Space-Track

AUTCUBE 2, 43681 is a payload satellite in SSO that was launched on Mon, 29 Oct 2018 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.

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Iframe URL

https://www.satcat.com/sats-embedded/43681?theme=dark&initialShowStats=false

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Identifier

43681, 2018-084K

Orbit

SSO

Country

TBD

Related business

Aichi University (JP)

Manufacturer

AUT

Mission

Operational Amateur Technology

Bus & Motor

CUBESAT 1U, Unknown motor

Mass

1.6 kg wet, 1.6 kg dry

Launch date (UTC)

2018-10-29 (8 years ago)

Launch vehicle

H-IIA 202

Launch site

Tanegashima Space Center (TNSTA)

Object type

Payload

Rocket body

Debris

Shape & HBR

Box, 0.087 m

Radar Cross Section

0.015 m², Medium (>0.1 m² and < 1m²)

Expand to show TLE details & history
Last TLE update: 7 hours ago

TLE from 7 hours ago

0 AUTCUBE 2
1 43681U 18084K   26304.82861260  .00002445  00000-0  15130-3 0  9999
2 43681  98.0533 158.2272 0007668 306.1282  53.9236 15.10841300437553

Epoch: 2026-10-31T19:53Z

TLE epoch observation values (Epoch: 2026-10-31T19:53:12.128Z)

Latitude

-0.00003°

Longitude

179.79794°

Altitude

533.573 km

Speed

7.598 km/s

True Right ascension

10h 32m 54s

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

22:18:22

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

535.937 km

Perigee altitude

525.342 km

Semi-major axis

6,908.777 km

Eccentricity

0.00077

Inclination

98.0533°

RAAN

158.2272°

Arg. of periapsis

306.1282°

True anomaly

53.99466°

Mean anomaly

53.9236°

Eccentric anomaly

53.95913°

Mean motion

3.77956 °/min

Orbital period

95.25 mins

BSTAR

0.0001513

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Other satellites on launch #84 in the year 2018 (2018-10-29 UTC)

H-2A DEB, 53340 (Decayed)

H-2A DEB, 46420 (Decayed)

H-2A DEB, 46226 (Decayed)

H-2A DEB, 46186 (Decayed)

H-2A DEB, 46224 (Decayed)

H-2A DEB, 53328 (Decayed)

H-2A DEB, 46207 (Decayed)

H-2A DEB, 46200 (Decayed)

H-2A DEB, 43674 (Decayed)

H-2A DEB, 44052 (Decayed)

H-2A DEB, 53333 (Decayed)

H-2A DEB, 53114 (Decayed)

H-2A DEB, 53120 (Decayed)

H-2A DEB, 53646 (Decayed)

H-2A DEB, 46182 (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.

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AUTCUBE 2 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	2026-11-01 02:49:13.458Z	35.371° NE	2026-11-01 02:52:13.458Z	109.622° ESE	38.107°	2026-11-01 02:55:13.458Z	166.494° S
4 mins	2026-11-01 13:32:13.458Z	98.735° ESE	2026-11-01 13:34:13.458Z	56.917° ENE	20.237°	2026-11-01 13:36:13.458Z	23.458° NE
5 mins	2026-11-01 15:06:13.458Z	223.983° SW	2026-11-01 15:08:13.458Z	271.674° WNW	25.902°	2026-11-01 15:11:13.458Z	321.815° NNW

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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 AUTCUBE 2, 43681 on other resources

View AUTCUBE 2, 43681 on NASA - NSSDCA Website

View AUTCUBE 2, 43681 on Heavens-Above

View AUTCUBE 2, 43681 on Keep Track

View AUTCUBE 2, 43681 on Celestrak

View AUTCUBE 2, 43681 on Gunter's Space Page

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

AUTCUBE 2, 43681

Orbit data source: Space-Track

Expand to show TLE details & historyLast TLE update: 7 hours ago

TLE from 7 hours ago

TLE epoch observation values (Epoch: 2026-10-31T19:53:12.128Z)

Visualization orbit readout

Visualization observer readout

Orbital elements

Other satellites on launch #84 in the year 2018 (2018-10-29 UTC)

AUTCUBE 2 Visibility forecast

Co-orbital & Co-planar RSOs

Check out AUTCUBE 2, 43681 on other resources

Documentation

Expand to show TLE details & history
Last TLE update: 7 hours ago