🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.43 AU - 0.67 AU

Year: 148 Days

Day: 33.5 Hours

Environment

Temp: 179 °C

Axial Tilt: 39.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.54 AU - 0.8 AU

Year: 199 Days

Day: 40 Hours

Environment

Temp: 126 °C

Axial Tilt: 2.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.71 AU - 0.75 AU

Year: 227 Days

Day: 27.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.16 AU - 1.22 AU

Year: 472 Days

Day: 12.1 Hours

Environment

Temp: 13 °C

Axial Tilt: 49 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,321,760 km

• M1: 21,392 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.67 AU - 1.85 AU

Year: 849 Days

Day: 29.4 Hours

Environment

Temp: -55 °C

Axial Tilt: 32.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.5

Radius: 11.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 6.8 AU - 8.36 AU

Year: 7585 Days

Day: 6.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,321,760 km

• M1: 139,425 km (0.081 R)
• M2: 570,865 km (0.103 R)
• M3: 1,142,928 km (0.085 R)
• M4: 1,659,190 km (0.057 R)
• M5: 2,106,936 km (0.073 R)
• M6: 2,564,407 km (0.07 R)
• M7: 3,270,808 km (0.119 R)
• M8: 4,477,763 km (0.105 R)
• M9: 5,182,968 km (0.105 R)
• M10: 5,867,228 km (0.048 R)
• M11: 7,022,872 km (0.087 R)
• M12: 7,379,364 km (0.092 R)
• M13: 8,442,855 km (0.098 R)
• M14: 11,993,710 km (0.078 R)
• M15: 12,765,486 km (0.089 R)
• M16: 15,881,011 km (0.063 R)
• M17: 16,685,399 km (0.055 R)
• M18: 17,516,863 km (0.089 R)
• M19: 17,909,707 km (0.102 R)
• M20: 21,342,829 km (0.088 R)
• M21: 22,707,162 km (0.086 R)
• M22: 24,943,650 km (0.043 R)
• M23: 25,945,806 km (0.072 R)
• M24: 29,021,837 km (0.101 R)
• M25: 30,694,940 km (0.067 R)
• M26: 31,458,787 km (0.072 R)
• M27: 32,431,322 km (0.101 R)
• M28: 32,925,145 km (0.086 R)
• M29: 33,826,472 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 713.9

Radius: 14.1

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 10.11 AU - 13.41 AU

Year: 14657 Days

Day: 6 Hours

Environment

Temp: -190 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 79,321,760 km

• M1: 191,036 km (0.032 R)
• M2: 1,175,989 km (0.083 R)
• M3: 1,984,715 km (0.112 R)
• M4: 3,499,244 km (0.113 R)
• M5: 4,453,529 km (0.058 R)
• M6: 5,685,617 km (0.047 R)
• M7: 6,261,868 km (0.114 R)
• M8: 7,851,794 km (0.077 R)
• M9: 8,372,843 km (0.073 R)
• M10: 9,590,570 km (0.082 R)
• M11: 11,453,512 km (0.114 R)
• M12: 12,502,492 km (0.071 R)
• M13: 13,083,231 km (0.05 R)
• M14: 14,791,639 km (0.118 R)
• M15: 15,662,598 km (0.077 R)
• M16: 16,414,178 km (0.062 R)
• M17: 17,427,254 km (0.119 R)
• M18: 18,481,471 km (0.041 R)
• M19: 19,750,360 km (0.111 R)
• M20: 23,514,841 km (0.092 R)
• M21: 25,514,216 km (0.103 R)
• M22: 26,873,313 km (0.038 R)
• M23: 29,621,725 km (0.109 R)
• M24: 32,431,771 km (0.091 R)
• M25: 35,929,519 km (0.078 R)
• M26: 36,710,569 km (0.102 R)
• M27: 44,704,780 km (0.113 R)
• M28: 50,634,840 km (0.117 R)
• M29: 54,467,687 km (0.086 R)
• M30: 57,069,045 km (0.069 R)
• M31: 59,209,042 km (0.038 R)
• M32: 61,772,701 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 285.5

Radius: 3.7

Gravity: 20.85 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 13.31 AU - 16.61 AU

Year: 21029 Days

Day: 22.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,321,760 km

• M1: 46,974 km (0.109 R)
• M2: 184,155 km (0.094 R)
• M3: 305,030 km (0.104 R)
• M4: 605,572 km (0.078 R)
• M5: 808,128 km (0.115 R)
• M6: 1,448,855 km (0.029 R)
• M7: 1,829,582 km (0.115 R)
• M8: 2,156,453 km (0.12 R)
• M9: 2,415,706 km (0.077 R)
• M10: 3,242,983 km (0.069 R)
• M11: 4,715,026 km (0.087 R)
• M12: 4,846,522 km (0.096 R)
• M13: 7,342,563 km (0.09 R)
• M14: 9,396,093 km (0.109 R)
• M15: 10,303,703 km (0.085 R)
• M16: 14,799,867 km (0.094 R)
• M17: 15,657,661 km (0.053 R)
• M18: 17,866,623 km (0.115 R)
• M19: 18,026,244 km (0.107 R)
• M20: 19,003,866 km (0.114 R)
• M21: 20,535,599 km (0.051 R)
• M22: 20,975,267 km (0.08 R)
• M23: 24,820,232 km (0.098 R)
• M24: 27,699,841 km (0.101 R)
• M25: 29,775,811 km (0.063 R)
• M26: 31,719,087 km (0.115 R)
• M27: 31,835,923 km (0.078 R)
• M28: 33,140,566 km (0.056 R)
• M29: 35,855,917 km (0.108 R)
• M30: 37,659,020 km (0.11 R)
• M31: 39,521,663 km (0.112 R)
• M32: 39,656,900 km (0.06 R)
• M33: 41,584,468 km (0.116 R)
• M34: 52,490,003 km (0.099 R)
• M35: 54,642,717 km (0.106 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588

Radius: 5.7

Gravity: 18.1 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 14.39 AU - 17.35 AU

Year: 22977 Days

Day: 17.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,321,760 km

• M1: 75,996 km (0.072 R)
• M2: 366,066 km (0.097 R)
• M3: 1,309,131 km (0.115 R)
• M4: 2,253,692 km (0.054 R)
• M5: 2,431,863 km (0.116 R)
• M6: 3,325,261 km (0.12 R)
• M7: 3,527,368 km (0.085 R)
• M8: 3,799,337 km (0.063 R)
• M9: 4,453,977 km (0.094 R)
• M10: 4,664,312 km (0.114 R)
• M11: 5,067,179 km (0.069 R)
• M12: 5,653,752 km (0.113 R)
• M13: 5,984,513 km (0.119 R)
• M14: 6,460,234 km (0.081 R)
• M15: 8,246,583 km (0.111 R)
• M16: 8,890,302 km (0.12 R)
• M17: 11,473,259 km (0.069 R)
• M18: 13,184,509 km (0.073 R)
• M19: 14,517,127 km (0.078 R)
• M20: 20,171,777 km (0.04 R)
• M21: 21,835,156 km (0.117 R)
• M22: 23,062,905 km (0.102 R)
• M23: 34,860,044 km (0.088 R)
• M24: 40,343,703 km (0.065 R)
• M25: 41,259,093 km (0.067 R)
• M26: 42,188,096 km (0.092 R)
• M27: 42,972,886 km (0.097 R)
• M28: 43,767,251 km (0.12 R)
• M29: 50,831,412 km (0.107 R)
• M30: 54,447,192 km (0.103 R)
• M31: 54,817,896 km (0.11 R)
• M32: 56,317,764 km (0.097 R)
• M33: 64,229,098 km (0.106 R)
• M34: 69,749,708 km (0.093 R)

Kuiper Belt

Range: 30.2 - 53.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 17,538 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit