ERIS | Dwarf Planet
ERIS | Dwarf Planet
ERIS | Dwarf Planet
ERIS | Dwarf Planet
ERIS | Dwarf Planet
1 Moon
1 Moon
1 Moon
1 Moon
1 Moon
X ~ 1,163 km | Y ~ 1,163 km | Z ~ 1,163 km
X ~ 1,163 km | Y ~ 1,163 km | Z ~ 1,163 km
X ~ 1,163 km | Y ~ 1,163 km | Z ~ 1,163 km
X ~ 1,163 km | Y ~ 1,163 km | Z ~ 1,163 km
X ~ 1,163 km | Y ~ 1,163 km | Z ~ 1,163 km
Perihelion ~ 5.686 billion km | Aphelion ~ 14.646 billion km
Perihelion ~ 5.686 billion km | Aphelion ~ 14.646 billion km
Perihelion ~ 5.686 billion km | Aphelion ~ 14.646 billion km
Perihelion ~ 5.686 billion km | Aphelion ~ 14.646 billion km
Perihelion ~ 5.686 billion km | Aphelion ~ 14.646 billion km
PLANET ERIS
PLANET ERIS
PLANET ERIS
PLANET ERIS
PLANET ERIS
Dwarf Class
Dwarf Class
Dwarf Class
Dwarf Class
Dwarf Class
Dwarf Class
Dwarf Class
Dwarf Class
Dwarf Class
/ˈɪərᵻs/
/ˈɪərᵻs/
/ˈɪərᵻs/
/ˈɪərᵻs/
/ˈɪərᵻs/
Phonetic
Phonetic
Phonetic
Phonetic
Phonetic
Discovered by Michael E Brown
Discovered by Michael E Brown
Discovered by Michael E Brown
Discovered by Michael E Brown
Discovered by Michael E Brown
48″ Schmidt Cassegrain Telescope
(Mount Palomar Observatory)
48″ Schmidt Cassegrain Telescope
(Mount Palomar Observatory)
48″ Schmidt Cassegrain Telescope
(Mount Palomar Observatory)
48″ Schmidt Cassegrain Telescope
(Mount Palomar Observatory)
48″ Schmidt Cassegrain Telescope
(Mount Palomar Observatory)
California, USA, 2005
California, USA, 2005
California, USA, 2005
California, USA, 2005
California, USA, 2005
DISCOVERY
DISCOVERY
DISCOVERY
DISCOVERY
DISCOVERY
Eris, from Ἔρις, “Strife”.
(Ancient Greek)
Eris, from Ἔρις, “Strife”.
(Ancient Greek)
Eris, from Ἔρις, “Strife”.
(Ancient Greek)
Eris, from Ἔρις, “Strife”.
(Ancient Greek)
Eris, from Ἔρις, “Strife”.
(Ancient Greek)
Greek goddess, Eris (Roman goddess, Discordia).
Greek goddess, Eris (Roman goddess, Discordia).
Greek goddess, Eris (Roman goddess, Discordia).
Greek goddess, Eris (Roman goddess, Discordia).
Greek goddess, Eris (Roman goddess, Discordia).
Goddess of strife, rivalry, and keeper of the golden Apple of Discord.
Goddess of strife, rivalry, and keeper of the golden Apple of Discord.
Goddess of strife, rivalry, and keeper of the golden Apple of Discord.
Goddess of strife, rivalry, and keeper of the golden Apple of Discord.
Goddess of strife, rivalry, and keeper of the golden Apple of Discord.
ETYMOLOGY
ETYMOLOGY
ETYMOLOGY
ETYMOLOGY
ETYMOLOGY
NAIF-136199
NAIF-136199
NAIF-136199
NAIF-136199
NAIF-136199
Reference
Reference
Reference
Reference
Reference
7.307E+03 km
7.307E+03 km
7.307E+03 km
7.307E+03 km
7.307E+03 km
Body Circumference
Body Circumference
Body Circumference
Body Circumference
Body Circumference
1.7+07 km2
1.7+07 km2
1.7+07 km2
1.7+07 km2
1.7+07 km2
Body Surface Area
Body Surface Area
Body Surface Area
Body Surface Area
Body Surface Area
6.589E+09 km3
6.589E+09 km3
6.589E+09 km3
6.589E+09 km3
6.589E+09 km3
Body Volume
Body Volume
Body Volume
Body Volume
Body Volume
1,163 km
1,163 km
1,163 km
1,163 km
1,163 km
Body Semi-Major Axis
Body Semi-Major Axis
Body Semi-Major Axis
Body Semi-Major Axis
Body Semi-Major Axis
1,163 km
1,163 km
1,163 km
1,163 km
1,163 km
Body Semi-Minor Axis
Body Semi-Minor Axis
Body Semi-Minor Axis
Body Semi-Minor Axis
Body Semi-Minor Axis
1,163 km
1,163 km
1,163 km
1,163 km
1,163 km
Body Polar Axis
Body Polar Axis
Body Polar Axis
Body Polar Axis
Body Polar Axis
0
0
0
0
0
Body Eccentricity (e)
Body Eccentricity (e)
Body Eccentricity (e)
Body Eccentricity (e)
Body Eccentricity (e)
0
0
0
0
0
Body Flattening Ratio (f)
Body Flattening Ratio (f)
Body Flattening Ratio (f)
Body Flattening Ratio (f)
Body Flattening Ratio (f)
18.7
18.7
18.7
18.7
18.7
Body Apparent Magnitude
Body Apparent Magnitude
Body Apparent Magnitude
Body Apparent Magnitude
Body Apparent Magnitude
0.92
0.92
0.92
0.92
0.92
Body Geometric Albedo
Body Geometric Albedo
Body Geometric Albedo
Body Geometric Albedo
Body Geometric Albedo
913,850,865,799.56 Hz
913,850,865,799.56 Hz
913,850,865,799.56 Hz
913,850,865,799.56 Hz
913,850,865,799.56 Hz
Body Frequency (Peak)
Body Frequency (Peak)
Body Frequency (Peak)
Body Frequency (Peak)
Body Frequency (Peak)
9.659E-05 m
9.659E-05 m
9.659E-05 m
9.659E-05 m
9.659E-05 m
Body Wavelength (Peak)
Body Wavelength (Peak)
Body Wavelength (Peak)
Body Wavelength (Peak)
Body Wavelength (Peak)
30 K, -243.15 °C
30 K, -243.15 °C
30 K, -243.15 °C
30 K, -243.15 °C
30 K, -243.15 °C
Body Temperature
Body Temperature
Body Temperature
Body Temperature
Body Temperature
0.296’4 W/m2
0.296’4 W/m2
0.296’4 W/m2
0.296’4 W/m2
0.296’4 W/m2
Body Solar Radiation
Body Solar Radiation
Body Solar Radiation
Body Solar Radiation
Body Solar Radiation
84.84 km
84.84 km
84.84 km
84.84 km
84.84 km
Body Barycenter
Body Barycenter
Body Barycenter
Body Barycenter
Body Barycenter
7,996,879.03 km
7,996,879.03 km
7,996,879.03 km
7,996,879.03 km
7,996,879.03 km
Body Hill Sphere
Body Hill Sphere
Body Hill Sphere
Body Hill Sphere
Body Hill Sphere
10,158,003,120.97 km
10,158,003,120.97 km
10,158,003,120.97 km
10,158,003,120.97 km
10,158,003,120.97 km
Body Lagrangian Point
L1 @ 0°
Body Lagrangian Point
L1 @ 0°
Body Lagrangian Point
L1 @ 0°
Body Lagrangian Point
L1 @ 0°
Body Lagrangian Point
L1 @ 0°
10,173,996,879.03 km
10,173,996,879.03 km
10,173,996,879.03 km
10,173,996,879.03 km
10,173,996,879.03 km
Body Lagrangian Point
L2 @ 0°
Body Lagrangian Point
L2 @ 0°
Body Lagrangian Point
L2 @ 0°
Body Lagrangian Point
L2 @ 0°
Body Lagrangian Point
L2 @ 0°
30,325,296,292.47 km
30,325,296,292.47 km
30,325,296,292.47 km
30,325,296,292.47 km
30,325,296,292.47 km
Body Lagrangian Point
L3 @ 180°
Body Lagrangian Point
L3 @ 180°
Body Lagrangian Point
L3 @ 180°
Body Lagrangian Point
L3 @ 180°
Body Lagrangian Point
L3 @ 180°
10,108,432,097.49 km
10,108,432,097.49 km
10,108,432,097.49 km
10,108,432,097.49 km
10,108,432,097.49 km
Body Lagrangian Point
L4 @ + 60°
Body Lagrangian Point
L4 @ + 60°
Body Lagrangian Point
L4 @ + 60°
Body Lagrangian Point
L4 @ + 60°
Body Lagrangian Point
L4 @ + 60°
-10,108,432,097.49 km
-10,108,432,097.49 km
-10,108,432,097.49 km
-10,108,432,097.49 km
-10,108,432,097.49 km
Body Lagrangian Point
L5 @ – 60°
Body Lagrangian Point
L5 @ – 60°
Body Lagrangian Point
L5 @ – 60°
Body Lagrangian Point
L5 @ – 60°
Body Lagrangian Point
L5 @ – 60°
0.82 m/s2
0.82 m/s2
0.82 m/s2
0.82 m/s2
0.82 m/s2
Body Surface Gravity
Body Surface Gravity
Body Surface Gravity
Body Surface Gravity
Body Surface Gravity
0.000’000’008’345 Sun
1.66E+22 kg
0.000’000’008’345 Sun
1.66E+22 kg
0.000’000’008’345 Sun
1.66E+22 kg
0.000’000’008’345 Sun
1.66E+22 kg
0.000’000’008’345 Sun
1.66E+22 kg
Body Mass Primary
Body Mass Primary
Body Mass Primary
Body Mass Primary
Body Mass Primary
2.519 g/cm3
2.519 g/cm3
2.519 g/cm3
2.519 g/cm3
2.519 g/cm3
Body Density
Body Density
Body Density
Body Density
Body Density
0 Pa, 0 Atm
0 Pa, 0 Atm
0 Pa, 0 Atm
0 Pa, 0 Atm
0 Pa, 0 Atm
Body Pressure
Body Pressure
Body Pressure
Body Pressure
Body Pressure
1.38 km/s
1.38 km/s
1.38 km/s
1.38 km/s
1.38 km/s
Body Escape Velocity
Body Escape Velocity
Body Escape Velocity
Body Escape Velocity
Body Escape Velocity
282.136’9 km/h
282.136’9 km/h
282.136’9 km/h
282.136’9 km/h
282.136’9 km/h
Body Equatorial Velocity
Body Equatorial Velocity
Body Equatorial Velocity
Body Equatorial Velocity
Body Equatorial Velocity
1.079’2 day, 25.90 hour
1.079’2 day, 25.90 hour
1.079’2 day, 25.90 hour
1.079’2 day, 25.90 hour
1.079’2 day, 25.90 hour
Body Rotation Sidereal
Body Rotation Sidereal
Body Rotation Sidereal
Body Rotation Sidereal
Body Rotation Sidereal
1.079’2 day
1.079’2 day
1.079’2 day
1.079’2 day
1.079’2 day
Body Mean Solar Day
Body Mean Solar Day
Body Mean Solar Day
Body Mean Solar Day
Body Mean Solar Day
0°
0°
0°
0°
0°
Body Axis Tilt
Body Axis Tilt
Body Axis Tilt
Body Axis Tilt
Body Axis Tilt
Prograde
Prograde
Prograde
Prograde
Prograde
Body Orientation
Body Orientation
Body Orientation
Body Orientation
Body Orientation
Prograde
Prograde
Prograde
Prograde
Prograde
Orbit Orientation
Orbit Orientation
Orbit Orientation
Orbit Orientation
Orbit Orientation
365.910’1 day
365.910’1 day
365.910’1 day
365.910’1 day
365.910’1 day
Orbit Synodic Period
Orbit Synodic Period
Orbit Synodic Period
Orbit Synodic Period
Orbit Synodic Period
204,430.79 day
204,430.79 day
204,430.79 day
204,430.79 day
204,430.79 day
Orbit Sidereal Period
Orbit Sidereal Period
Orbit Sidereal Period
Orbit Sidereal Period
Orbit Sidereal Period
3.433’8 km/s
3.433’8 km/s
3.433’8 km/s
3.433’8 km/s
3.433’8 km/s
Orbit Velocity
Orbit Velocity
Orbit Velocity
Orbit Velocity
Orbit Velocity
6.065E+10 km
6.065E+10 km
6.065E+10 km
6.065E+10 km
6.065E+10 km
Orbit Circumference
Orbit Circumference
Orbit Circumference
Orbit Circumference
Orbit Circumference
10,166,000,000 km
10,166,000,000 km
10,166,000,000 km
10,166,000,000 km
10,166,000,000 km
Semi-Major Axis
Semi-Major Axis
Semi-Major Axis
Semi-Major Axis
Semi-Major Axis
9,125,654,946 km
9,125,654,946 km
9,125,654,946 km
9,125,654,946 km
9,125,654,946 km
Semi-Minor Axis
Semi-Minor Axis
Semi-Minor Axis
Semi-Minor Axis
Semi-Minor Axis
5,686,047,120 km
(Perihelion)
5,686,047,120 km
(Perihelion)
5,686,047,120 km
(Perihelion)
5,686,047,120 km
(Perihelion)
5,686,047,120 km
(Perihelion)
Orbit Periapsis Inner
Orbit Periapsis Inner
Orbit Periapsis Inner
Orbit Periapsis Inner
Orbit Periapsis Inner
14,645,952,880 km
(Aphelion)
14,645,952,880 km
(Aphelion)
14,645,952,880 km
(Aphelion)
14,645,952,880 km
(Aphelion)
14,645,952,880 km
(Aphelion)
Orbit Periapsis Outer
Orbit Periapsis Outer
Orbit Periapsis Outer
Orbit Periapsis Outer
Orbit Periapsis Outer
0.440’7
0.440’7
0.440’7
0.440’7
0.440’7
Orbit Eccentricity (e)
Orbit Eccentricity (e)
Orbit Eccentricity (e)
Orbit Eccentricity (e)
Orbit Eccentricity (e)
44.044’5
44.044’5
44.044’5
44.044’5
44.044’5
Orbit Inclination (i) Ecliptic
Orbit Inclination (i) Ecliptic
Orbit Inclination (i) Ecliptic
Orbit Inclination (i) Ecliptic
Orbit Inclination (i) Ecliptic
150.98 (Perihelion)
150.98 (Perihelion)
150.98 (Perihelion)
150.98 (Perihelion)
150.98 (Perihelion)
Orbit Argument of Periapsis (ω)
Orbit Argument of Periapsis (ω)
Orbit Argument of Periapsis (ω)
Orbit Argument of Periapsis (ω)
Orbit Argument of Periapsis (ω)
204.16
204.16
204.16
204.16
204.16
Orbit Mean Anomaly (v)
Orbit Mean Anomaly (v)
Orbit Mean Anomaly (v)
Orbit Mean Anomaly (v)
Orbit Mean Anomaly (v)
35.95
35.95
35.95
35.95
35.95
Long Ascending Node (Ω)
Long Ascending Node (Ω)
Long Ascending Node (Ω)
Long Ascending Node (Ω)
Long Ascending Node (Ω)
H2O, N2, CH4, NH3 & HCN
H2O, N2, CH4, NH3 & HCN
H2O, N2, CH4, NH3 & HCN
H2O, N2, CH4, NH3 & HCN
H2O, N2, CH4, NH3 & HCN
Material
Material
Material
Material
Material
DYSNOMIA
DYSNOMIA
DYSNOMIA
DYSNOMIA
DYSNOMIA
Irregular Moon, L01
Irregular Moon, L01
Irregular Moon, L01
Irregular Moon, L01
Irregular Moon, L01
X ~ 342 km | Y ~ 342 km | Z ~ 342 km
X ~ 342 km | Y ~ 342 km | Z ~ 342 km
X ~ 342 km | Y ~ 342 km | Z ~ 342 km
X ~ 342 km | Y ~ 342 km | Z ~ 342 km
X ~ 342 km | Y ~ 342 km | Z ~ 342 km
Perigee ~ 36,864 km | Apogee ~ 37,836 km
Perigee ~ 36,864 km | Apogee ~ 37,836 km
Perigee ~ 36,864 km | Apogee ~ 37,836 km
Perigee ~ 36,864 km | Apogee ~ 37,836 km
Perigee ~ 36,864 km | Apogee ~ 37,836 km
