LowEarth

LEOPARD

NORAD 67687· COSPAR 1998-067YD· ISS / Science· LEO
Launch
Launched on Nov 20, 1998 from 81/23 (81L), Kazakhstan aboard a Proton-K.
Proton | Zarya
Live · TLE epoch 2026-09-08 08:16 UTC
Orbit class
LEO — Low Earth Orbit (circular, < 2,000 km)
Operator
JAXA
Country
Japan
Manufacturer
Launched
Nov 20, 1998
Mass
Apogee
366 km
Perigee
355 km
Inclination
51.62°
Period
1.53 h

Altitude history

Apogee and perigee for LEOPARD across 103 days of archived orbital elements (105 element sets, one per day).

Trend
Decaying
Change
-38.6 km
Rate
-0.37 km/day
Now
355 × 366 km
380405355May 28Sep 9
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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