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HMU-SAT2, 67688

Orbit data source: Space-Track

HMU-SAT2, 67688 is a Japanese payload satellite in LEO that was delivered to the ISS. 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 src="https://www.satcat.com/sats-embedded/67688?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/67688?theme=dark&initialShowStats=false

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ISO8601 Format

Identifier

67688, 1998-067YE

Orbit

LEO

Country

JP / JPN

Related business

Hokkaido University of Science (Unknown / J)

Manufacturer

HUS

Mission

Operational spacecraft

Bus & Motor

CUBESAT 1U, Unknown motor

Mass

1 kg wet, 1 kg dry

Launch date (UTC)

1998-11-20 (28 years ago)

Launch vehicle

H3-24W

Launch site

Tyuratam Missile And Space Complex (TTMTR)

Object type

Payload

Rocket body

Debris

Shape & HBR

BOX, 0.1 m

Radar Cross Section

Medium (>0.1 m² and <1 m²)

Expand to show TLE details & history
Last TLE update: 13 hours ago

TLE from 13 hours ago

0 HMU-SAT2
1 67688U 98067YE  26223.64486447  .00056725  00000-0  44271-3 0  9999
2 67688  51.6265  11.1138 0005327   3.0434 357.0595 15.71089059 28917

Epoch: 2026-08-11T15:28Z

TLE epoch observation values (Epoch: 2026-08-11T15:28:36.290Z)

Latitude

-0.00002°

Longitude

178.85239°

Altitude

352.948 km

Speed

7.701 km/s

True Right ascension

00h 44m 27s

True Declination

0° 00' 00"

Sunlit

Object was in full shadow 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

18:46:56

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

359.885 km

Perigee altitude

352.711 km

Semi-major axis

6,734.435 km

Eccentricity

0.00053

Inclination

51.6265°

RAAN

11.1138°

Arg. of periapsis

3.0434°

True anomaly

357.05637°

Mean anomaly

357.0595°

Eccentric anomaly

357.05793°

Mean motion

3.92728 °/min

Orbital period

91.67 mins

BSTAR

0.00044271

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Other satellites on launch #67 in the year 1998 (1998-11-20 UTC)

PROVES-ELECTRA, 69799

OBJECT YM, 69797

SILVERSAT, 66909 (Decayed)

KITSUNE, 52148 (Decayed)

FLOCK 2E 4, 41487 (Decayed)

OBJECT A, 57312 (Decayed)

ALPHA CUBESAT, 66908 (Decayed)

OBJECT YL, 69796

ISS DEB, 26951 (Decayed)

TNS 0-2, 42914 (Decayed)

ISS DEB, 29257 (Decayed)

ISS DEB (MRC CABLE COIL), 39495 (Decayed)

LITUANICASAT 1, 39569 (Decayed)

NODES 2, 41478 (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

HMU-SAT2 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.
4 mins	2026-08-12 13:03:50.662Z	251.935° W	2026-08-12 13:05:50.662Z	359.964° N	38.158°	2026-08-12 13:07:50.662Z	43.547° NE

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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 HMU-SAT2, 67688 on other resources

View HMU-SAT2, 67688 on NASA - NSSDCA Website

View HMU-SAT2, 67688 on Heavens-Above

View HMU-SAT2, 67688 on Keep Track

View HMU-SAT2, 67688 on Celestrak

View HMU-SAT2, 67688 on Gunter's Space Page

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

Documentation

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