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Multiplanetary system with largest range of semi-major axis (largest difference between the star's nearest planet and its farthest planet) TYC 8998-760-1: b, c: 1 TYC 8998-760-1 b and c have a semi-major axis of 162 and 320 AU, respectively. [1] The separation between closest and furthest is 158 AU. System with smallest total planetary mass ...
From its discovery in 1846 until the discovery of Pluto in 1930, Neptune was the farthest known planet. When Pluto was discovered, it was considered a planet, and Neptune thus became the second-farthest known planet, except for a 20-year period between 1979 and 1999 when Pluto's elliptical orbit brought it closer than Neptune to the Sun, making ...
These were the most remote objects discovered at the time. The pair of galaxies were found lensed by galaxy cluster CL1358+62 (z = 0.33). This was the first time since 1964 that something other than a quasar held the record for being the most distant object in the universe. [136] [139] [140] [137] [134] [141] PC 1247–3406: Quasar 1991 − 1997
The object was nicknamed "FarFarOut" for its distant location from the Sun, and particularly because it was even farther than the previous farthest known object 2018 VG 18 which was nicknamed "Farout". [3] It is officially known by the provisional designation 2018 AG 37 given by the Minor Planet Center when the discovery was announced. [1]
Planet Taphao Thong was discovered in 1996 and was one of the first exoplanets to be discovered. [48] The planet was the first long-period extrasolar planet discovered. The other planets were discovered later. [49] Nu 2 Lupi: Lupus: 15 h 21 m 49.57 s: −48° 19′ 01.1″ 5.65: 47: G2V: 0.906: 5664: 10.36: 3: One of the oldest stars in the ...
Discovered in 1989 by Latham to have a minimum mass of 11.069 ± 0.063 M J (at 90°) and a probable mass of approximately 63.2 M J (at 10°), [225] making the former planet the first to be spotted, [226] and confirmed in 1991, it was thought to be the first discovered exoplanet until 2019 when it was confirmed to be a low-mass star with the ...
First planet discovered via transit: OGLE-TR-56 b: OGLE-TR-56: 2002 [3] This was also the second planet detected through transiting, [3] and the then farthest planet known at time of discovery. [3] The first extrasolar planet detected to be transiting was HD 209458 b, which had already been discovered by the radial velocity method. [3] [4]
One particularly distant body is 90377 Sedna, which was discovered in November 2003.It has an extremely eccentric orbit that takes it to an aphelion of 937 AU. [2] It takes over 10,000 years to orbit, and during the next 50 years it will slowly move closer to the Sun as it comes to perihelion at a distance of 76 AU from the Sun. [3] Sedna is the largest known sednoid, a class of objects that ...