ISS OBJECT YM

NORAD 69797· COSPAR 1998-067YM· Active satellite· Other / Unclassified· LEO

Launch

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

Proton | Zarya →

Live · TLE epoch 2026-09-08 06:30 UTC

Orbit class

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

Operator

—

Country

TBD

Manufacturer

—

Launched

Nov 20, 1998

Mass

—

Apogee

417 km

Perigee

403 km

Inclination

51.63°

Period

1.54 h

Altitude history

Apogee and perigee for ISS OBJECT YM across 60 days of archived orbital elements (39 element sets, one per day).

Trend

Decaying

Change

-13.4 km

Rate

-0.22 km/day

Now

403 × 417 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
HMU-SAT2 · 67688
HOKUSHIN-1 · 69648
ISS OBJECT YJ · 69794
PROVES-ELECTRA · 69795
ISS OBJECT YL · 69796
ISS OBJECT YN · 69798
ISS OBJECT YP · 69799

Sources & further reading

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