Home ExoPlanet Blog 0 to 100 LY 101 to 200 LY 201 to 400 LY 401 to 600 LY 601 to 800 LY 801 to 1,000 LY 1,001 to 2,000 LY 2,001 to 4,000 LY 4,001 to 6,000 LY 6,001 to 8,000 LY 8,001 to 10,000 LY 10,001 to 30,000 LY Earth-Like Planets Alien Species Planet Colonization Polls Galaxy Map Galaxy Legend Galaxy Stats Space Store Site Map Contact Home > Polls survey service bike trails survey tool survey software surveys polls survey services bike trails free polls picture polls survey solutions survey solution survey tools Mercury × Earth Similarity(Earth=100%) 38.97% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 0.387 AU Habitable Zone: No Orbital Period: 87.969 Days Size Class: Mercurian Mass(Earth=1): 0.055 Diameter(Miles)(Earth=7,918): 3,032 Density (Earth=5.52): 5.43 Axial Tilt: 2.11° Atmosphere: None Climate: Hot Temp(K)(Earth=287): 452 Temp(F)(Earth=56.93): 353.93 Liquid Water: None Frozen Water: Yes Moons: 0 Bacterial Life: None Plant Life: None Animal Life: None Intelligent Life: None Venus × Earth Similarity(Earth=100%) 110.30% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 0.723 AU Habitable Zone: No Orbital Period: 224.701 Days Size Class: Terran Mass(Earth=1): 0.815 Diameter(Miles)(Earth=7,918): 7,520 Density (Earth=5.52): 5.20 Axial Tilt: 177.4° Atmosphere: 96.5% Carbon Dioxide | 3.5% Nitrogen Climate: Extremely Hot Temp(K)(Earth=287): 726 Temp(F)(Earth=56.93): 847.13 Liquid Water: None Frozen Water: None Moons: 0 Bacterial Life: None Plant Life: None Animal Life: None Intelligent Life: None Earth × Earth Similarity(Earth=100%) 100% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 1.000 AU Habitable Zone: Yes Orbital Period: 365.256 Days Size Class: Terran Mass(Earth=1): 1.000 Diameter(Miles)(Earth=7,918): 7,918 Density (Earth=5.52): 5.52 Axial Tilt: 23.5° Atmosphere: 78% Nitrogen | 21% Oxygen | 1% Argon Climate: Warm Avg Temp(K)(Earth=287): 287 Avg Temp(F)(Earth=56.93): 56.93 Liquid Water: Yes Frozen Water: Yes Moons: 1 Bacterial Life: Yes Plant Life: Yes Animal Life: Yes Intelligent Life: Humans Mars × Earth Similarity(Earth=100%) 35.5% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 1.523 AU Habitable Zone: Yes Orbital Period: 686.980 Days Size Class: Sub Terran Mass(Earth=1): 0.107 Diameter(Miles)(Earth=7,918): 4,220 Density (Earth=5.52): 3.93 Axial Tilt: 25.19° Atmosphere: 96% Carbon Dioxide | 2% Argon | 2% Nitrogen Climate: Cold Avg Temp(K)(Earth=287): 210 Avg Temp(F)(Earth=56.93): -81.67 Liquid Water: No Frozen Water: Yes Moons: 2 Bacterial Life: Unknown Plant Life: None Animal Life: None Intelligent Life: None Jupiter × Earth Similarity(Earth=100%) 16,149.90% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 5.203 AU Habitable Zone: No Orbital Period: 11.862 Years Size Class: Jovian Mass(Earth=1): 317.83 Diameter(Miles)(Earth=7,918): 177,692 Density (Earth=5.52): 1.33 Axial Tilt: 3.0° Atmosphere: 90% Hydrogen | 10% Helium Climate: Freezing Avg Temp(K)(Earth=287): 125 Avg Temp(F)(Earth=56.93): -234.67 Liquid Water: No Frozen Water: No Moons: 67 Bacterial Life: None Plant Life: None Animal Life: None Intelligent Life: None Saturn × Earth Similarity(Earth=100%) 4,942.55% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 9.538 AU Habitable Zone: No Orbital Period: 29.457 Years Size Class: Jovian Mass(Earth=1): 95.161 Diameter(Miles)(Earth=7,918): 74,898 Density (Earth=5.52): 0.687 Axial Tilt: 26.7° Atmosphere: 75% Hydrogen | 25% Helium Climate: Freezing Avg Temp(K)(Earth=287): 95 Avg Temp(F)(Earth=56.93): -288.67 Liquid Water: No Frozen Water: No Moons: 62 Bacterial Life: None Plant Life: None Animal Life: None Intelligent Life: None Uranus × Earth Similarity(Earth=100%) 901.71% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 19.819 AU Habitable Zone: No Orbital Period: 84.011 Years Size Class: Neptunian Mass(Earth=1): 15.536 Diameter(Miles)(Earth=7,918): 31,518 Density (Earth=5.52): 1.27 Axial Tilt: 97.77° Atmosphere: 82.5% Hydrogen | 15.2% Helium | 2.3% Methane Climate: Freezing Avg Temp(K)(Earth=287): 57 Avg Temp(F)(Earth=56.93): -357.07 Liquid Water: No Frozen Water: No Moons: 27 Bacterial Life: None Plant Life: None Animal Life: None Intelligent Life: None Neptune × Earth Similarity(Earth=100%) 974.73% Similarity Note: Based on Mass, Diameter, and Temp Distance from Sol: 30.058 AU Habitable Zone: No Orbital Period: 164.79 Years Size Class: Neptunian Mass(Earth=1): 17.148 Diameter(Miles)(Earth=7,918): 30,598 Density (Earth=5.52): 1.638 Axial Tilt: 28.32° Atmosphere: 80% Hydrogen | 19% Helium | 1% Methane Climate: Freezing Avg Temp(K)(Earth=287): 59 Avg Temp(F)(Earth=56.93): -353.47 Liquid Water: No Frozen Water: No Moons: 13 Bacterial Life: None Plant Life: None Animal Life: None Intelligent Life: None Planet 9 - Unconfirmed to Exist × Earth Similarity(Earth=100%) Unknown Similarity Note: Based on Mass, Diameter, and TempSubject to Change when more Data is Available Distance from Sol: 700 AU Habitable Zone: No Orbital Period: 10,000 to 20,000 Years Size Class: Super Terran Mass(Earth=1): 9.99 Diameter(Miles)(Earth=7,918): 15,836 to 31,672 Density (Earth=5.52): Unknown Axial Tilt: Unknown Atmosphere: Unknown Climate: Freezing Avg Temp(K)(Earth=287):Unknown Avg Temp(F)(Earth=56.93):Unknown Liquid Water: Unknown Frozen Water: Unknowne Moons: Unknown Bacterial Life: Unknown Plant Life: Unknown Animal Life: Unknown Intelligent Life: Unknown Proxima b × Earth Similarity(Earth=100%) 115.36% Similarity Note: Based on Mass, Diameter, and TempSubject to Change when more Data is Available Distance from Proxima Centauri: 0.0485 AU Habitable Zone: Yes Orbital Period: 11.2 Days Size Class: Terran Mass(Earth=1): 1.30 Diameter(Miles)(Earth=7,918): 8,710 Density (Earth=5.52): Unknown Axial Tilt: Unknown Atmosphere: Unknown Climate: Cold Avg Temp(K)(Earth=287): 227 Avg Temp(F)(Earth=56.93): -51.07 Liquid Water: Unknown Frozen Water: Unknown Moons: Unknown Bacterial Life: Unknown Plant Life: Unknown Animal Life: Unknown Intelligent Life: Unknown Aegir × Earth Similarity(Earth=100%) Unknown Similarity Note: Based on Mass, Diameter, and TempSubject to Change when more Data is Available Distance from Epsilon Eridani: 3.39 AU Habitable Zone: No Orbital Period: 7 Years Size Class: Jovian Mass(Earth=1): 492.64 Diameter(Miles)(Earth=7,918): Unknown Density (Earth=5.52): Unknown Axial Tilt: Unknown Atmosphere: Unknown Climate: Freezing Avg Temp(K)(Earth=287): Unknown Avg Temp(F)(Earth=56.93): Unknown Liquid Water: Unknown Frozen Water: Unknown Moons: Unknown Bacterial Life: Unknown Plant Life: Unknown Animal Life: Unknown Intelligent Life: Unknown