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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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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: 23 hours ago

TLE from 23 hours ago

0 AUTCUBE 2
1 43681U 18084K   26277.54071561  .00002119  00000-0  13222-3 0  9992
2 43681  98.0584 129.5085 0009785  39.3891 320.8047 15.10682934433430

Epoch: 2026-10-04T12:58Z

TLE epoch observation values (Epoch: 2026-10-04T12:58:37.828Z)

Latitude

-0.00004°

Longitude

-78.3816°

Altitude

531.934 km

Speed

7.6 km/s

True Right ascension

08h 38m 02s

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

06:20:13

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

537.884 km

Perigee altitude

524.363 km

Semi-major axis

6,909.26 km

Eccentricity

0.00098

Inclination

98.0584°

RAAN

129.5085°

Arg. of periapsis

39.3891°

True anomaly

320.73377°

Mean anomaly

320.8047°

Eccentric anomaly

320.76924°

Mean motion

3.77916 °/min

Orbital period

95.26 mins

BSTAR

0.00013222

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

H-2A DEB, 46194 (Decayed)

H-2A DEB, 46414 (Decayed)

H-2A DEB, 46198 (Decayed)

H-2A DEB, 46206 (Decayed)

H-2A DEB, 47195 (Decayed)

H-2A DEB, 46192 (Decayed)

H-2A DEB, 46600 (Decayed)

H-2A DEB, 46221 (Decayed)

H-2A DEB, 46211 (Decayed)

H-2A DEB, 46187 (Decayed)

H-2A DEB, 53115 (Decayed)

H-2A DEB, 46195 (Decayed)

H-2A DEB, 46428 (Decayed)

H-2A DEB, 46425 (Decayed)

H-2A DEB, 46223 (Decayed)

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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	2026-10-05 14:32:55.125Z	188.647° SSW	2026-10-05 14:34:55.125Z	242.131° WSW	53.106°	2026-10-05 14:38:55.125Z	337.885° N
5 mins	2026-10-06 03:41:55.125Z	345.108° N	2026-10-06 03:43:55.125Z	300.829° NW	34.975°	2026-10-06 03:46:55.125Z	228.283° WSW

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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: 23 hours ago

TLE from 23 hours ago

TLE epoch observation values (Epoch: 2026-10-04T12:58:37.828Z)

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: 23 hours ago