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Mars 8.7° East September 2, 2017 00:07:46 Mercury 4°06' south of Mars 10.8° West September 16, 2017 18:23:28 Mercury 3' north of Mars 16.9° West October 5, 2017 13:25:48 Venus 13' north of Mars 23.4° West October 18, 2017 14:56:38 Mercury 1°01' south of Jupiter 6.4° East November 13, 2017 06:10:03 Venus 17' north of Jupiter 13.8° West
A triple conjunction between Mars and Jupiter occurred. At the first conjunction on May 26, 929, Mars, whose brightness was −1.8 mag, stood 3.1 degrees south of Jupiter with a brightness of −2.6 mag. The second conjunction took place on July 4, 929, whereby Mars stood 5.7 degrees south of Jupiter. Both planets were −2.8 mag bright.
During the 2020 great conjunction, the two planets were separated in the sky by 6 arcminutes at their closest point, which was the closest distance between the two planets since 1623. [12] The closeness is the result of the conjunction occurring in the vicinity of one of the two longitudes where the two orbits appear to intersect when viewed ...
Six planets will align again on Aug. 28, Jan. 18., 2025 and Aug. 29, 2025. Seven planets will align on Feb. 28, 2025. USA TODAY's Janet Loehrke contributed to this story.
Areocentric orbit (named after Ares): An orbit around the planet Mars, such as that of its moons or artificial satellites. For orbits centered about planets other than Earth and Mars and for the dwarf planet Pluto, the orbit names incorporating Greek terminology are not as established and much less commonly used:
Mars 2, Mars 3 and Mariner 9 were all launched into space in May 1971, and all entered Mars’ orbit that same year. NASA's Mariner 9 reached the planet's orbit first on November 14, narrowly beating the Soviet's spacecraft amid the space race, and subsequently became the first spacecraft to orbit another planet. [1]
On June 3, six planets — Mercury, Mars, Jupiter, Saturn, Uranus, and Neptune — will align in the sky in what is known as a planetary alignment. ... Mini planetary alignment – 3 planets ...
If this system forms planets, the inner planets will likely orbit in the opposite direction to the outer planets. [35] WASP-17b was the first exoplanet that was discovered to be orbiting its star opposite to the direction the star is rotating. [36] A second such planet was announced just a day later: HAT-P-7b. [37]