How is the lifespan of a satellite determined by its orbit and other factors?

Apr 26, 2015 ... Mercury is the most eccentric planet with e≈0.2. Earth-orbiting spacecraft usually have e<0.01. Aside: From ... ... planet orbiting the star. In most cases a distant planet's orbital plane is neither edge-on nor face-on when observed from Earth. Most commonly the orbital ... Oct 2, 2018 ... ... orbiting the planet. In addition, the ideal candidate planets hosting moons are in large orbits, with long and infrequent transit times. In ... Feb 4, 2020 ... For an orbiting planet ... But it's difficult to imagine a way to move the planets to orbits skimming barely above the black hole's surface, Loeb ... Mar 18, 2025 ... Orbital Period (days), 88.0, 224.7, 365.2, 27.3*, 687.0, 4331 ... Index of Planetary Fact Sheets - More detailed fact sheets for each planet. A gift for kids who love space and planet toys. This interactive set makes it easy to see how the Moon orbits around the Earth while the Earth orbits around ... Mar 7, 2018 ... The planets do all orbit in elliptical orbits at slightly different angles, but it looks very similar to circular orbits on a flat plane. Sep 16, 2011 ... 'Stunning'. Kepler-16b's two suns are smaller than ours - at 69% and 20% of the mass of our Sun - making the surface temperature an estimated - ... Jun 3, 2014 ... ... planets orbiting a nearby and very old star known as Kapteyn's star. One of these newly-discovered planets orbits within the star's ... ... planet orbits. This model fails in that objects in stable orbits do not fall into the Sun. (Comets are objects with orbits that can easily become unstable ...