LowEarth

ISS OBJECT YP

NORAD 69798· COSPAR 1998-067YN· 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 2026-10-24 06:20 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
—
Country
TBD
Manufacturer
—
Launched
Nov 20, 1998
Mass
—
Apogee
413 km
Perigee
399 km
Inclination
51.63°
Period
1.54 h

Altitude history

Apogee and perigee for ISS OBJECT YP across 106 days of archived orbital elements (85 element sets, one per day).

Trend
Decaying
Change
-17.9 km
Rate
-0.17 km/day
Now
399 × 413 km
415430399Jul 11Oct 25
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).

Sources & further reading

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