HELLAS-SAT 3
Launch
Launched on Jun 28, 2017 from Ariane Launch Area 3, French Guiana aboard a Ariane 5 ECA.
Ariane 5 ECA | Hellas Sat 3 (Inmarsat S EAN) & GSAT-17 →Live · TLE epoch 2026-10-23 22:15 UTC
Orbit class
GEO — Geostationary (~35,786 km, equatorial)
Operator
Hellas Sat
Country
Greece
Manufacturer
Thales Alenia Space
Launched
Jun 28, 2017
Mass
5,780 kg
Apogee
35,797 km
Perigee
35,792 km
Inclination
0.08°
Period
23.94 h
Summary from Wikipedia (CC-BY-SA 4.0)
Inmarsat S/Hellas Sat 3 is a satellite owned by Hellas Sat. It was launched on 28 June 2017, 21:15 UTC to replace the Hellas Sat 2 satellite.
Full article on Wikipedia →Altitude history
Apogee and perigee for HELLAS-SAT 3 across 148 days of archived orbital elements (150 element sets, one per day).
Trend
Stable
Change
+0.9 km
Rate
+0.01 km/day
Now
35792 × 35797 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
One other catalogued object still in orbit from launch 2017-040 (Ariane 5 ECA | Hellas Sat 3 (Inmarsat S EAN) & GSAT-17).
- GSAT-17 · 42815
Sources & further reading
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