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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

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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: 1 day ago

TLE from 1 day ago

0 HMU-SAT2
1 67688U 98067YE  26259.19065676  .00163830  00000-0  91492-3 0  9998
2 67688  51.6257 188.4296 0007797 143.3513 216.8022 15.78330178 34518

Epoch: 2026-09-16T04:34Z

TLE epoch observation values (Epoch: 2026-09-16T04:34:32.744Z)

Latitude

-0.00003°

Longitude

124.64734°

Altitude

340.113 km

Speed

7.704 km/s

True Right ascension

12h 33m 43s

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

05:13:09

Azimuth

Unknown

Elevation

Unknown

Doppler factor

Unknown

Orbital elements

Apogee altitude

340.923 km

Perigee altitude

330.453 km

Semi-major axis

6,713.825 km

Eccentricity

0.00078

Inclination

51.6257°

RAAN

188.4296°

Arg. of periapsis

143.3513°

True anomaly

216.74872°

Mean anomaly

216.8022°

Eccentric anomaly

216.77545°

Mean motion

3.94537 °/min

Orbital period

91.25 mins

BSTAR

0.00091492

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Computing Atmospheric mass density...

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

GOMX 3, 40949 (Decayed)

OBJECT A, 59483 (Decayed)

FLOCK 2B 13, 40979 (Decayed)

ISS DEB, 31607 (Decayed)

FLOCK 1B 27, 40422 (Decayed)

ISS DEB, 40281 (Decayed)

FLOCK 1E 13, 40740 (Decayed)

BEAVERCUBE, 53768 (Decayed)

ATLANTIS, 42737 (Decayed)

SWIATOWID, 44426 (Decayed)

ISS (ZARYA), 25544

HOKUSHIN1, 69648

BINAR-3, 60957 (Decayed)

FLOCK 1-20, 39560 (Decayed)

MAYA-2, 47929 (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.
5 mins	2026-09-17 21:46:48.394Z	226.179° WSW	2026-09-17 21:49:48.394Z	76.608° E	57.996°	2026-09-17 21:51:48.394Z	56.153° ENE

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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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