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Some co-orbiting objects are called quasi-satellites because of their very close orbit and very similar orbital period with Earth, seemingly orbiting Earth. The known current quasi-satellites of Earth are particularly 469219 Kamoʻoalewa and 164207 Cardea, [31] as well as (277810) 2006 FV 35, [32] 2014 OL 339, 2013 LX 28, 2020 PP 1, and 2023 FW 13.
The Moon orbiting around Earth (observed by the Deep Space Climate Observatory) A natural satellite is, in the most common usage, an astronomical body that orbits a planet, dwarf planet, or small Solar System body (or sometimes another natural satellite). Natural satellites are colloquially referred to as moons, a derivation from the Moon of Earth.
The same is true of the small moons Methone, Anthe, and Pallene, which orbit between the larger Saturnian moons Mimas and Enceladus. A number of localised objects such as S/2004 S 3 , S/2004 S 4 , and S/2004 S 6 , sometimes surrounded by a dusty halo, have been seen in the vicinity of the F ring , but at present it is not clear whether they are ...
The mini-moon will be small — 33 feet long — and dim. NASA uses magnitude to describe brightness in space. A 6.5 magnitude is generally the dimmest object the human eye can see.
Earth's moon is almost ten times larger. An underground ocean would make up about half of Mimas' volume, but it would only be equivalent to 1.2% to 1.4% of the liquid water oceans present on Earth.
Prometheus (right) and Pandora (left) both orbit near Saturn's F ring, but only Prometheus is thought to act as a shepherd. Operation of a shepherd moon– particles are located in front or behind the Moon in its orbit, so these are either accelerated in the direction of the moon and thrown to the outside, or they are slowed on their path and pulled inwards.
Some 4.5 billion years ago, when Earth was only 100 million years old or so, a Mars-sized protoplanet named Theia smashed into our planet, ejecting loads that eventually returned to the Earth’s ...
2020 CD 3 (also CD3 for short) [11] [12] is a tiny near-Earth asteroid (or minimoon) that ordinarily orbits the Sun but makes close approaches to the Earth–Moon system, in which it can temporarily enter Earth orbit through temporary satellite capture (TSC).