🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 359.8

Radius: 11.4

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.69 AU - 0.79 AU

Year: 411 Days

Day: 11.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 78,471,839 km

• M1: 141,819 km (0.07 R)
• M2: 689,796 km (0.041 R)
• M3: 1,150,108 km (0.057 R)
• M4: 1,533,079 km (0.106 R)
• M5: 2,116,959 km (0.077 R)
• M6: 2,567,399 km (0.11 R)
• M7: 4,292,262 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 13.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.62 AU - 1.02 AU

Year: 479 Days

Day: 8 Hours

Environment

Temp: -156 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 78,471,839 km

• M1: 166,652 km (0.093 R)
• M2: 692,638 km (0.105 R)
• M3: 1,241,064 km (0.086 R)
• M4: 1,662,780 km (0.108 R)
• M5: 2,113,070 km (0.081 R)
• M6: 2,635,466 km (0.113 R)
• M7: 3,422,201 km (0.107 R)
• M8: 4,066,369 km (0.099 R)
• M9: 4,929,699 km (0.085 R)
• M10: 5,701,923 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.2

Radius: 14.4

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.14 AU - 1.44 AU

Year: 946 Days

Day: 10.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 78,471,839 km

• M1: 182,360 km (0.114 R)
• M2: 812,466 km (0.091 R)
• M3: 1,337,555 km (0.089 R)
• M4: 2,185,924 km (0.095 R)
• M5: 2,834,730 km (0.057 R)
• M6: 3,360,118 km (0.053 R)
• M7: 4,552,114 km (0.109 R)
• M8: 5,151,702 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.3

Radius: 8.2

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.1 AU - 1.62 AU

Year: 1024 Days

Day: 9.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,471,839 km

• M1: 102,026 km (0.065 R)
• M2: 439,519 km (0.111 R)
• M3: 700,118 km (0.106 R)
• M4: 1,021,305 km (0.103 R)
• M5: 1,418,337 km (0.115 R)
• M6: 1,678,787 km (0.11 R)
• M7: 2,298,272 km (0.089 R)
• M8: 3,270,658 km (0.03 R)
• M9: 3,790,062 km (0.115 R)
• M10: 5,701,324 km (0.054 R)
• M11: 6,327,392 km (0.053 R)
• M12: 7,836,385 km (0.049 R)
• M13: 8,254,661 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.5

Radius: 9.1

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.4 AU - 2.18 AU

Year: 1546 Days

Day: 11.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,471,839 km

• M1: 113,246 km (0.099 R)
• M2: 498,759 km (0.107 R)
• M3: 810,072 km (0.071 R)
• M4: 1,494,632 km (0.1 R)
• M5: 1,891,067 km (0.066 R)
• M6: 2,484,821 km (0.119 R)
• M7: 2,839,966 km (0.052 R)
• M8: 3,404,100 km (0.109 R)
• M9: 4,004,735 km (0.04 R)
• M10: 4,534,611 km (0.088 R)
• M11: 4,878,835 km (0.093 R)
• M12: 5,483,660 km (0.118 R)
• M13: 6,065,296 km (0.076 R)
• M14: 6,585,149 km (0.039 R)
• M15: 7,080,766 km (0.118 R)
• M16: 7,885,005 km (0.028 R)
• M17: 8,872,799 km (0.068 R)
• M18: 10,876,962 km (0.117 R)
• M19: 13,044,186 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.5

Radius: 10

Gravity: 8.72 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.81 AU - 2.07 AU

Year: 1745 Days

Day: 11.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,471,839 km

• M1: 140,024 km (0.069 R)
• M2: 477,666 km (0.079 R)
• M3: 1,071,570 km (0.077 R)
• M4: 1,449,005 km (0.115 R)
• M5: 2,335,372 km (0.104 R)
• M6: 4,543,736 km (0.05 R)
• M7: 5,503,406 km (0.082 R)
• M8: 6,832,284 km (0.099 R)
• M9: 7,528,513 km (0.047 R)
• M10: 8,676,677 km (0.101 R)
• M11: 10,147,373 km (0.085 R)
• M12: 10,905,236 km (0.041 R)
• M13: 11,545,814 km (0.045 R)
• M14: 13,921,727 km (0.07 R)
• M15: 14,585,792 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 14

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.99 AU - 2.19 AU

Year: 1951 Days

Day: 12.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 78,471,839 km

• M1: 174,132 km (0.073 R)
• M2: 801,545 km (0.058 R)
• M3: 1,574,966 km (0.12 R)
• M4: 3,235,503 km (0.108 R)
• M5: 3,719,751 km (0.106 R)
• M6: 4,232,872 km (0.045 R)
• M7: 5,125,522 km (0.114 R)
• M8: 5,738,874 km (0.098 R)
• M9: 6,480,580 km (0.077 R)
• M10: 9,642,630 km (0.028 R)
• M11: 14,392,811 km (0.043 R)
• M12: 14,902,790 km (0.081 R)
• M13: 15,569,249 km (0.102 R)
• M14: 16,008,169 km (0.07 R)
• M15: 16,455,317 km (0.033 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.3

Radius: 5.7

Gravity: 24.54 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 7.44 AU - 11.9 AU

Year: 19416 Days

Day: 20 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 78,471,839 km

• M1: 71,807 km (0.117 R)
• M2: 290,669 km (0.062 R)
• M3: 1,114,504 km (0.076 R)
• M4: 1,432,998 km (0.085 R)
• M5: 2,104,094 km (0.096 R)
• M6: 2,383,992 km (0.091 R)
• M7: 4,172,285 km (0.091 R)
• M8: 5,553,821 km (0.119 R)
• M9: 6,658,751 km (0.092 R)
• M10: 7,073,287 km (0.077 R)
• M11: 8,960,015 km (0.095 R)
• M12: 11,611,338 km (0.099 R)
• M13: 17,432,341 km (0.092 R)
• M14: 22,304,893 km (0.076 R)
• M15: 22,919,591 km (0.114 R)
• M16: 36,143,145 km (0.106 R)
• M17: 38,141,473 km (0.084 R)
• M18: 43,934,351 km (0.109 R)
• M19: 46,539,449 km (0.073 R)
• M20: 46,872,154 km (0.099 R)
• M21: 53,316,980 km (0.04 R)
• M22: 59,737,871 km (0.098 R)
• M23: 63,540,948 km (0.119 R)
• M24: 73,861,256 km (0.12 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit