Google
×
S/2015 (136472) 1

S/2015 (136472) 1

Moon
S/2015 (136472) 1, nicknamed MK2 by the discovery team, is the only known moon of the trans-Neptunian dwarf planet Makemake. It is estimated to be 175 km in diameter and has a semi-major axis at least 21,000 km from Makemake. Its orbital period is... Wikipedia
Discoverer: Marc Buie
Discovered: April 2015
Orbital period: 12 days
Mean radius: ~ 87.5 km (for an assumed albedo of 4%)
Absolute magnitude (H): 7.8
Alternative names: MK2 (unofficial)
Apparent magnitude: 25.0