Apologies – confusion over S1 and S2 – the previous info applies to S1. For S2, a 5-day repeat time eventually. — ESA (@esa) August 17, 2017

Land monitoring has always been one of the applications of Sentinel-1 https://t.co/2IjcUJPYjE — ESA (@esa) August 17, 2017

#Sentinel1 speeds up crop insurance payouts in drought-hit southern #Indiahttps://t.co/D5s1zcTAWb pic.twitter.com/7mcItw7ZSu — ESA (@esa) August 17, 2017

🙂 — ESA (@esa) August 17, 2017

NOW: #Spacewalk set to start at 16:45 CEST / 14:45 GMT https://t.co/Z7ZkgWpdNn — ESA (@esa) August 17, 2017

Hmn. Going to check with the experts for you… — ESA (@esa) August 17, 2017

X̶-̶W̶i̶n̶g̶ ̶l̶i̶n̶e̶d̶ ̶u̶p̶ ̶i̶n̶ ̶T̶I̶E̶ ̶F̶i̶g̶h̶t̶e̶r̶ ̶s̶i̶g̶h̶t̶s̶@SpaceX #Dragon approaching @Space_Station seen from Cupola pic.twitter.com/aH8uQc5l2N — Human Spaceflight (@esaspaceflight) August 17, 2017

At higher latitudes you get a slightly quicker repeat because of the curvature of the Earth — ESA (@esa) August 17, 2017

With one satellite the revisit time is 12 days. Now with 2 Sentinel-2s (A & B) 180 deg apart, there is a six day repeat at the equator… — ESA […]

Good choice… although not a planet 🙂 — ESA (@esa) August 17, 2017