🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.81 AU - 0.95 AU

Year: 309 Days

Day: 43.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.79 AU - 1.19 AU

Year: 369 Days

Day: 43.4 Hours

Environment

Temp: 32 °C

Axial Tilt: 16.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.6

Radius: 1.47

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.11 AU - 1.61 AU

Year: 594 Days

Day: 31.7 Hours

Environment

Temp: -26 °C

Axial Tilt: 11.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565

Radius: 11.2

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 4.45 AU - 4.59 AU

Year: 3601 Days

Day: 9.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 92,473,385 km

• M1: 139,276 km (0.091 R)
• M2: 584,329 km (0.037 R)
• M3: 1,020,257 km (0.089 R)
• M4: 1,949,859 km (0.116 R)
• M5: 2,966,077 km (0.107 R)
• M6: 4,574,404 km (0.07 R)
• M7: 5,147,064 km (0.088 R)
• M8: 6,494,044 km (0.118 R)
• M9: 7,094,081 km (0.057 R)
• M10: 7,665,544 km (0.089 R)
• M11: 8,579,887 km (0.076 R)
• M12: 10,184,324 km (0.08 R)
• M13: 10,788,400 km (0.076 R)
• M14: 11,288,805 km (0.112 R)
• M15: 12,791,216 km (0.065 R)
• M16: 14,422,880 km (0.09 R)
• M17: 18,153,552 km (0.065 R)
• M18: 19,466,722 km (0.071 R)
• M19: 21,034,807 km (0.073 R)
• M20: 21,750,782 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 8.4

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 5.03 AU - 5.51 AU

Year: 4534 Days

Day: 5.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 92,473,385 km

• M1: 104,569 km (0.084 R)
• M2: 452,833 km (0.103 R)
• M3: 1,057,208 km (0.078 R)
• M4: 1,504,506 km (0.113 R)
• M5: 1,837,511 km (0.105 R)
• M6: 2,178,893 km (0.083 R)
• M7: 4,390,997 km (0.068 R)
• M8: 7,015,542 km (0.074 R)
• M9: 9,005,941 km (0.112 R)
• M10: 10,073,173 km (0.092 R)
• M11: 13,405,166 km (0.076 R)
• M12: 13,826,134 km (0.093 R)
• M13: 14,694,550 km (0.119 R)
• M14: 15,496,544 km (0.055 R)
• M15: 17,964,909 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906.7

Radius: 12.7

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 5.06 AU - 6.76 AU

Year: 5384 Days

Day: 11.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 92,473,385 km

• M1: 157,975 km (0.069 R)
• M2: 649,404 km (0.118 R)
• M3: 1,141,731 km (0.108 R)
• M4: 1,619,247 km (0.114 R)
• M5: 2,198,939 km (0.118 R)
• M6: 2,636,064 km (0.102 R)
• M7: 3,152,027 km (0.102 R)
• M8: 4,262,193 km (0.116 R)
• M9: 4,676,579 km (0.116 R)
• M10: 5,739,921 km (0.114 R)
• M11: 6,853,228 km (0.094 R)
• M12: 8,622,971 km (0.097 R)
• M13: 10,632,968 km (0.038 R)
• M14: 11,647,690 km (0.111 R)
• M15: 13,045,682 km (0.082 R)
• M16: 15,620,112 km (0.107 R)
• M17: 16,675,375 km (0.102 R)
• M18: 25,350,406 km (0.052 R)
• M19: 28,864,909 km (0.081 R)
• M20: 29,791,818 km (0.078 R)
• M21: 31,219,430 km (0.092 R)
• M22: 33,293,904 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 8

Gravity: 9.95 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.57 AU - 8.31 AU

Year: 6851 Days

Day: 10.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 92,473,385 km

• M1: 100,081 km (0.093 R)
• M2: 425,756 km (0.097 R)
• M3: 992,731 km (0.111 R)
• M4: 1,309,729 km (0.107 R)
• M5: 1,588,131 km (0.116 R)
• M6: 1,876,855 km (0.096 R)
• M7: 4,184,252 km (0.05 R)
• M8: 4,443,206 km (0.051 R)
• M9: 4,965,004 km (0.114 R)
• M10: 5,315,212 km (0.05 R)
• M11: 5,713,143 km (0.115 R)
• M12: 6,065,296 km (0.101 R)
• M13: 7,620,665 km (0.042 R)
• M14: 8,490,726 km (0.088 R)
• M15: 9,078,048 km (0.071 R)
• M16: 10,100,998 km (0.071 R)
• M17: 10,808,446 km (0.101 R)
• M18: 11,598,921 km (0.115 R)
• M19: 13,630,161 km (0.077 R)
• M20: 16,329,056 km (0.115 R)
• M21: 17,905,070 km (0.09 R)
• M22: 20,678,016 km (0.111 R)
• M23: 22,283,800 km (0.118 R)
• M24: 25,397,978 km (0.115 R)
• M25: 26,969,654 km (0.099 R)
• M26: 27,237,733 km (0.093 R)
• M27: 28,144,296 km (0.056 R)
• M28: 30,017,561 km (0.046 R)
• M29: 32,373,278 km (0.092 R)
• M30: 33,390,245 km (0.038 R)
• M31: 34,323,586 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.7

Radius: 6.5

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 15.59 AU - 20.93 AU

Year: 29240 Days

Day: 15.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 92,473,385 km

• M1: 80,932 km (0.045 R)
• M2: 1,390,662 km (0.103 R)
• M3: 1,747,752 km (0.119 R)
• M4: 2,548,549 km (0.074 R)
• M5: 3,511,960 km (0.057 R)
• M6: 8,958,369 km (0.09 R)
• M7: 10,876,064 km (0.076 R)
• M8: 15,100,559 km (0.045 R)
• M9: 15,828,502 km (0.06 R)
• M10: 19,255,041 km (0.116 R)
• M11: 32,304,763 km (0.069 R)
• M12: 50,059,038 km (0.117 R)
• M13: 55,383,376 km (0.083 R)
• M14: 60,467,160 km (0.082 R)
• M15: 61,275,886 km (0.051 R)
• M16: 72,910,262 km (0.106 R)
• M17: 77,093,168 km (0.067 R)
• M18: 79,243,338 km (0.109 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 550.5

Radius: 3.1

Gravity: 57.28 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 17.79 AU - 19.27 AU

Year: 29891 Days

Day: 21.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 92,473,385 km

• M1: 39,195 km (0.079 R)
• M2: 151,842 km (0.069 R)
• M3: 303,235 km (0.091 R)
• M4: 461,360 km (0.066 R)
• M5: 595,848 km (0.07 R)
• M6: 800,498 km (0.115 R)
• M7: 1,009,486 km (0.031 R)
• M8: 1,177,934 km (0.116 R)
• M9: 1,465,610 km (0.118 R)
• M10: 1,644,529 km (0.116 R)
• M11: 9,944,967 km (0.077 R)
• M12: 11,872,386 km (0.118 R)
• M13: 12,084,965 km (0.098 R)
• M14: 12,228,130 km (0.091 R)
• M15: 14,193,098 km (0.052 R)
• M16: 16,271,611 km (0.082 R)
• M17: 16,977,264 km (0.117 R)
• M18: 19,313,833 km (0.103 R)
• M19: 27,467,815 km (0.109 R)
• M20: 27,839,565 km (0.112 R)
• M21: 35,117,951 km (0.091 R)
• M22: 43,232,289 km (0.057 R)
• M23: 47,899,593 km (0.117 R)
• M24: 55,809,281 km (0.067 R)
• M25: 58,015,700 km (0.106 R)
• M26: 67,873,751 km (0.064 R)
• M27: 80,043,089 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 15,025 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit