HMU-SAT2

NORAD 67688· COSPAR 1998-067YE· ISS / Science· LEO

Launch

Launched on Nov 20, 1998 from 81/23 (81L), Kazakhstan aboard a Proton-K.

Proton | Zarya →

Live · TLE epoch 2026-10-23 14:02 UTC

Orbit class

LEO — Low Earth Orbit (circular, < 2,000 km)

Operator

JAXA

Country

Japan

Manufacturer

—

Launched

Nov 20, 1998

Mass

—

Apogee

304 km

Perigee

290 km

Inclination

51.62°

Period

1.51 h

Altitude history

Apogee and perigee for HMU-SAT2 across 149 days of archived orbital elements (151 element sets, one per day).

Trend

Decaying

Change

-96.4 km

Rate

-0.65 km/day

Now

290 × 304 km

Apogee Perigee

Derived from our own archive of CelesTrak orbital elements, sampled every 3 hours. Short windows show drag and station-keeping; they are not a reentry prediction.

Launched with

14 other catalogued objects still in orbit from launch 1998-067 (Proton | Zarya).

ISS (ZARYA) · 25544
HRC MONOBLOCK CAMERA · 66052
DUPLEX · 66906
KNACKSAT-2 · 67683
GXIBA-1 · 67685
UITMSAT-2 · 67686
LEOPARD · 67687
HOKUSHIN-1 · 69648
HUCSAT · 69794
PROVES-ELECTRA · 69795
ISS OBJECT YM · 69796
ISS OBJECT YN · 69797
ISS OBJECT YP · 69798
ISS OBJECT YQ · 69799

Sources & further reading

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