SSTL S1-4

SSTL S1-4 is a satellite operated by United Kingdom, currently in low Earth orbit, around 585 km altitude. It completes one orbit of Earth roughly every 96 minutes at an inclination of 97.5°. It was launched in 2018. Track its live position and see when it passes over your location on azmth.

Orbital data

NORAD ID

43618

COSPAR ID

2018-071A

Type

Satellite

Orbit

LEO

Perigee (lowest)

585 km

Apogee (highest)

587 km

Inclination

97.50°

Orbital period

96 min

Launch year

2018

Operator

United Kingdom

Orbital data from CelesTrak, refreshed every 2 hours. Element epoch: 2026-06-05.

About LEO orbit

Low Earth Orbit. Up to 2,000 km altitude. Where most satellites live including the ISS (~420 km), Starlink (~550 km), and Earth observation. Orbital period roughly 90 minutes.

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