🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.47 AU - 0.77 AU

Year: 315 Days

Day: 42.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.1

Radius: 9.7

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.86 AU - 1.12 AU

Year: 636 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 56,679,289 km

• M1: 120,576 km (0.115 R)
• M2: 492,775 km (0.028 R)
• M3: 893,548 km (0.087 R)
• M4: 1,682,078 km (0.087 R)
• M5: 2,141,793 km (0.112 R)
• M6: 2,497,088 km (0.108 R)
• M7: 3,110,738 km (0.062 R)
• M8: 5,166,512 km (0.084 R)
• M9: 6,243,018 km (0.12 R)
• M10: 6,549,844 km (0.101 R)
• M11: 6,909,626 km (0.117 R)
• M12: 7,462,839 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.7

Radius: 9

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.75 AU - 2.63 AU

Year: 2093 Days

Day: 14.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,679,289 km

• M1: 111,899 km (0.116 R)
• M2: 640,279 km (0.04 R)
• M3: 1,022,202 km (0.112 R)
• M4: 1,500,766 km (0.117 R)
• M5: 1,895,106 km (0.117 R)
• M6: 2,838,470 km (0.114 R)
• M7: 3,290,405 km (0.055 R)
• M8: 4,246,635 km (0.091 R)
• M9: 6,307,794 km (0.054 R)
• M10: 7,002,078 km (0.102 R)
• M11: 7,968,480 km (0.087 R)
• M12: 8,960,314 km (0.114 R)
• M13: 9,517,716 km (0.063 R)
• M14: 11,082,509 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.3

Radius: 8.7

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 4.06 AU - 5 AU

Year: 6225 Days

Day: 11.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,679,289 km

• M1: 108,159 km (0.115 R)
• M2: 419,024 km (0.117 R)
• M3: 713,582 km (0.112 R)
• M4: 1,013,226 km (0.117 R)
• M5: 1,969,905 km (0.076 R)
• M6: 2,242,322 km (0.116 R)
• M7: 3,573,744 km (0.077 R)
• M8: 6,688,670 km (0.092 R)
• M9: 10,144,381 km (0.117 R)
• M10: 11,520,083 km (0.069 R)
• M11: 17,047,425 km (0.08 R)
• M12: 17,383,123 km (0.034 R)
• M13: 18,486,856 km (0.08 R)
• M14: 20,833,598 km (0.114 R)
• M15: 22,397,045 km (0.094 R)
• M16: 25,232,224 km (0.085 R)
• M17: 28,298,083 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 164.3

Radius: 5.8

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 6.38 AU - 8.14 AU

Year: 12630 Days

Day: 17.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,679,289 km

• M1: 72,405 km (0.108 R)
• M2: 366,964 km (0.111 R)
• M3: 901,626 km (0.077 R)
• M4: 1,705,865 km (0.106 R)
• M5: 3,300,279 km (0.05 R)
• M6: 4,033,907 km (0.102 R)
• M7: 5,389,862 km (0.102 R)
• M8: 8,796,804 km (0.084 R)
• M9: 10,657,502 km (0.034 R)
• M10: 15,864,256 km (0.115 R)
• M11: 18,255,129 km (0.109 R)
• M12: 19,928,381 km (0.104 R)
• M13: 23,656,659 km (0.088 R)
• M14: 24,635,927 km (0.05 R)
• M15: 25,472,179 km (0.098 R)
• M16: 30,128,712 km (0.1 R)
• M17: 32,457,203 km (0.079 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551

Radius: 5.4

Gravity: 18.9 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 6.7 AU - 9.1 AU

Year: 14337 Days

Day: 15.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,679,289 km

• M1: 67,169 km (0.103 R)
• M2: 243,396 km (0.097 R)
• M3: 849,716 km (0.101 R)
• M4: 1,193,941 km (0.083 R)
• M5: 1,535,323 km (0.082 R)
• M6: 2,292,288 km (0.062 R)
• M7: 3,297,885 km (0.119 R)
• M8: 4,084,171 km (0.101 R)
• M9: 5,055,810 km (0.113 R)
• M10: 5,470,495 km (0.097 R)
• M11: 7,101,261 km (0.07 R)
• M12: 7,401,504 km (0.046 R)
• M13: 8,027,272 km (0.118 R)
• M14: 9,031,074 km (0.117 R)
• M15: 11,285,215 km (0.108 R)
• M16: 12,479,754 km (0.118 R)
• M17: 16,941,959 km (0.111 R)
• M18: 18,104,484 km (0.061 R)
• M19: 22,271,682 km (0.039 R)
• M20: 24,334,637 km (0.089 R)
• M21: 25,412,190 km (0.025 R)
• M22: 29,820,092 km (0.099 R)
• M23: 30,153,096 km (0.119 R)
• M24: 33,621,373 km (0.087 R)
• M25: 41,337,332 km (0.095 R)
• M26: 41,751,419 km (0.059 R)
• M27: 46,490,530 km (0.083 R)
• M28: 52,700,188 km (0.062 R)
• M29: 53,840,872 km (0.071 R)
• M30: 55,834,413 km (0.114 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 10,490 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit