🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.64 AU - 1 AU

Year: 278 Days

Day: 40.7 Hours

Environment

Temp: 149 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.64 AU - 1.8 AU

Year: 845 Days

Day: 18.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 158.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.79

Radius: 0.91

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.38 AU - 5.12 AU

Year: 3283 Days

Day: 13.4 Hours

Environment

Temp: -131 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 53,635,722 km

• M1: 39,643 km (0.107 R)
• M2: 966,552 km (0.093 R)

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.4

Radius: 9.2

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.72 AU - 5.82 AU

Year: 4534 Days

Day: 10 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,635,722 km

• M1: 114,442 km (0.107 R)
• M2: 464,053 km (0.091 R)
• M3: 779,255 km (0.049 R)
• M4: 1,358,199 km (0.09 R)
• M5: 1,686,267 km (0.079 R)
• M6: 2,009,548 km (0.106 R)
• M7: 3,219,047 km (0.115 R)
• M8: 3,765,678 km (0.106 R)
• M9: 4,649,203 km (0.099 R)
• M10: 5,044,440 km (0.062 R)
• M11: 7,473,461 km (0.101 R)
• M12: 9,849,524 km (0.108 R)
• M13: 10,282,161 km (0.108 R)
• M14: 11,896,920 km (0.053 R)
• M15: 12,994,669 km (0.038 R)
• M16: 13,568,228 km (0.075 R)
• M17: 14,267,598 km (0.106 R)
• M18: 15,104,299 km (0.045 R)
• M19: 15,448,075 km (0.063 R)
• M20: 17,684,263 km (0.115 R)
• M21: 18,649,469 km (0.079 R)
• M22: 22,194,340 km (0.102 R)
• M23: 25,755,966 km (0.096 R)
• M24: 26,660,884 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 588.5

Radius: 5.6

Gravity: 18.77 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 13.16 AU - 14.18 AU

Year: 18940 Days

Day: 21 Hours

Environment

Temp: -189 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,635,722 km

• M1: 71,657 km (0.083 R)
• M2: 349,760 km (0.066 R)
• M3: 1,487,452 km (0.063 R)
• M4: 2,289,446 km (0.119 R)
• M5: 4,139,971 km (0.086 R)
• M6: 6,377,507 km (0.086 R)
• M7: 7,921,656 km (0.099 R)
• M8: 9,755,277 km (0.057 R)
• M9: 11,226,423 km (0.087 R)
• M10: 12,571,607 km (0.119 R)
• M11: 13,666,065 km (0.089 R)
• M12: 19,206,871 km (0.077 R)
• M13: 20,012,904 km (0.081 R)
• M14: 21,122,322 km (0.101 R)
• M15: 22,763,261 km (0.112 R)
• M16: 24,487,376 km (0.05 R)
• M17: 27,739,185 km (0.069 R)
• M18: 31,145,229 km (0.027 R)
• M19: 32,885,053 km (0.12 R)
• M20: 39,484,114 km (0.096 R)
• M21: 39,914,657 km (0.109 R)
• M22: 47,396,345 km (0.06 R)
• M23: 48,700,240 km (0.095 R)
• M24: 49,195,409 km (0.098 R)
• M25: 52,582,156 km (0.087 R)
• M26: 53,452,516 km (0.027 R)
• M27: 58,319,084 km (0.083 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 248

Radius: 5.4

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 11.23 AU - 16.81 AU

Year: 19672 Days

Day: 23.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,635,722 km

• M1: 69,713 km (0.1 R)
• M2: 270,473 km (0.106 R)
• M3: 528,679 km (0.067 R)
• M4: 826,379 km (0.079 R)
• M5: 1,373,608 km (0.101 R)
• M6: 2,228,859 km (0.115 R)
• M7: 2,504,418 km (0.104 R)
• M8: 3,652,133 km (0.106 R)
• M9: 3,840,776 km (0.112 R)
• M10: 4,446,198 km (0.098 R)
• M11: 4,692,885 km (0.029 R)
• M12: 5,247,445 km (0.049 R)
• M13: 6,723,078 km (0.108 R)
• M14: 10,518,974 km (0.116 R)
• M15: 11,408,034 km (0.113 R)
• M16: 12,406,451 km (0.106 R)
• M17: 13,783,200 km (0.104 R)
• M18: 14,374,710 km (0.032 R)
• M19: 15,120,605 km (0.06 R)
• M20: 17,972,688 km (0.073 R)
• M21: 21,164,209 km (0.055 R)
• M22: 21,950,944 km (0.057 R)
• M23: 22,217,378 km (0.084 R)
• M24: 25,586,173 km (0.108 R)
• M25: 29,928,550 km (0.116 R)
• M26: 31,704,127 km (0.098 R)
• M27: 32,733,211 km (0.112 R)
• M28: 34,737,523 km (0.05 R)
• M29: 43,155,395 km (0.046 R)
• M30: 52,518,576 km (0.089 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 16,847 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit