Tolong jelaskan mengenai Rujukan dari Orbit sentuh dalam bahasa melayu

Diagram of a sequence of osculating orbits for the escape from Earth orbit by the ion-driven SMART-1 spacecraft: ESA Science & Technology - SMART-1 Osculating Orbit up to 25.08.04

A sequence of osculating orbits for the approach to the Moon by the SMART-1 spacecraft: ESA Science & Technology - SMART-1 Osculating Orbit up to 09.01.05