136472 Makemake
Alternative name: Also known as: 2005 FY9
Physical Properties
- Mean Radius
- 725km
- Equatorial Radius
- 745km
- Polar Radius
- 715km
- Mass
- 4.40e+21 kg
- Volume
- 1.70e+9 km³
- Density
- 1.4g/cm³
- Gravity
- 0.5m/s²
- Escape Velocity
- 800m/s
- Flattening
- 0.05
- Average Temperature
- 32.0 K (-241.1 °C)
- Axial Tilt
- 0°
- Semimajor Axis
- 6.78e+9km
- Perihelion
- 5.67e+9km
- Aphelion
- 7.89e+9km
- Eccentricity
- 0.156
- Inclination
- 29.007°
- Sidereal Orbit
- 1.31 days
- Sidereal Rotation
- 0 seconds
- Mean Anomaly
- 165.514°
- Argument of Periapsis
- 294.834°
- Longitude of Ascending Node
- 79.62°
Discovery Information
- Discovered By
- Michael E. Brown, Chadwick Trujillo, David L. Rabinowitz
- Discovery Date
- 31/03/2005
Raw Data