ISIS 1
Live · TLE epoch 2026-10-23 23:16 UTC
Orbit class
MEO — Medium Earth (2,000–30,000 km, e.g. GPS / Galileo)
Operator
—
Country
—
Manufacturer
—
Launched
—
Mass
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Apogee
3,443 km
Perigee
582 km
Inclination
88.43°
Period
2.12 h
Altitude history
Apogee and perigee for ISIS 1 across 149 days of archived orbital elements (151 element sets, one per day).
Trend
Stable
Change
-0.1 km
Rate
-0.00 km/day
Now
582 × 3443 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.
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