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Makemake was discovered on March 31, 2005, by a team at the Palomar Observatory, led by Michael E. Brown, [8] and was announced to the public on July 29, 2005. The team had planned to delay announcing their discoveries of the bright objects Makemake and Eris until further observations and calculations were complete, but announced them both on July 29 when the discovery of another large object ...
Since the year 2000, a number of Kuiper belt objects (KBOs) with diameters of between 500 and 1500 km (more than half that of Pluto) have been discovered. 50000 Quaoar, a classical KBO discovered in 2002, is over 1000 km across. Makemake and Haumea, both announced on 29 July 2005, are larger still.
S/2015 (136472) 1, unofficially nicknamed MK2 by the discovery team, [2] is the only known moon of the trans-Neptunian dwarf planet Makemake. [1] [4] It is estimated to be 175 km (110 mi) in diameter and has a semi-major axis of at least 21,000 km (13,000 mi) from Makemake. [1]
Haumea (2003 EL 61) – discovered by Brown et al. December 28, 2004, and announced by Ortiz et al. on July 27, 2005. Named by the IAU dwarf-planet naming committee on September 17, 2008. Two known moons and one known ring. Makemake (2005 FY 9) – discovered March 31, 2005, and announced July 29. Named by the IAU dwarf-planet naming committee ...
Quaoar, a classical KBO discovered in 2002, is over 1,200 km across. Makemake and Haumea , both announced on 29 July 2005, are larger still. Other objects, such as 28978 Ixion (discovered in 2001) and 20000 Varuna (discovered in 2000), measure roughly 600–700 km (373–435 mi) across.
136472 Makemake: March 31, 2005: list (175113) 2004 PF 115: August 7, 2004: list ... Asteroid 11714 Mikebrown, discovered on April 28, 1998, was named in his honor. [14]
"Its discovery was announced on July 29, 2005, which was the same day as Eris and two days after 2003 EL61." I tripped over this sentence a little, possibly because it seems incomplete. Perhaps something like this would work: "A team led by Michael Brown discovered Makemake on March 31, 2005, and it was announced to the public on July 29, 2005.
However, in 2005 the relatively bright object Makemake was discovered. It has a relatively high orbital inclination, but at the time of Tombaugh's discovery of Pluto, Makemake was only a few degrees from the ecliptic, near the border of Taurus and Auriga, [21] at an apparent magnitude of 16. [22]