🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.61 AU - 0.89 AU

Year: 226 Days

Day: 47.6 Hours

Environment

Temp: 221 °C

Axial Tilt: 35.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,844,216 km

• M1: 43,832 km (0.056 R)

Planet 2 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.35 AU - 3.81 AU

Year: 2359 Days

Day: 47.4 Hours

Environment

Temp: -108 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.3

Radius: 9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.9 AU - 6.84 AU

Year: 5599 Days

Day: 13.4 Hours

Environment

Temp: -152 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,844,216 km

• M1: 111,899 km (0.084 R)
• M2: 452,982 km (0.077 R)
• M3: 1,160,879 km (0.034 R)
• M4: 1,482,216 km (0.093 R)
• M5: 1,851,124 km (0.055 R)
• M6: 3,305,365 km (0.057 R)
• M7: 3,779,889 km (0.096 R)
• M8: 4,277,452 km (0.051 R)
• M9: 4,748,236 km (0.097 R)
• M10: 5,129,711 km (0.067 R)
• M11: 6,775,886 km (0.085 R)
• M12: 9,322,191 km (0.085 R)
• M13: 9,694,092 km (0.118 R)
• M14: 12,580,732 km (0.101 R)
• M15: 13,547,733 km (0.075 R)
• M16: 15,217,245 km (0.094 R)
• M17: 15,890,435 km (0.085 R)
• M18: 19,257,136 km (0.119 R)
• M19: 20,727,683 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.6

Radius: 9.7

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 5.97 AU - 9.87 AU

Year: 7762 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,844,216 km

• M1: 120,725 km (0.075 R)
• M2: 568,173 km (0.113 R)
• M3: 907,610 km (0.119 R)
• M4: 2,408,376 km (0.045 R)
• M5: 2,872,429 km (0.075 R)
• M6: 3,355,929 km (0.11 R)
• M7: 3,679,808 km (0.089 R)
• M8: 4,391,296 km (0.083 R)
• M9: 4,931,643 km (0.071 R)
• M10: 5,940,083 km (0.084 R)
• M11: 6,325,297 km (0.045 R)
• M12: 7,513,852 km (0.11 R)
• M13: 9,230,787 km (0.109 R)
• M14: 9,708,004 km (0.043 R)
• M15: 10,118,202 km (0.083 R)
• M16: 11,646,045 km (0.113 R)
• M17: 12,827,718 km (0.119 R)
• M18: 13,222,208 km (0.065 R)
• M19: 15,207,820 km (0.092 R)
• M20: 17,564,735 km (0.08 R)
• M21: 18,236,429 km (0.027 R)
• M22: 21,231,977 km (0.092 R)
• M23: 22,559,808 km (0.103 R)
• M24: 25,534,861 km (0.098 R)
• M25: 26,002,503 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.5

Radius: 7.9

Gravity: 15.33 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 11.02 AU - 17.98 AU

Year: 19229 Days

Day: 17.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,844,216 km

• M1: 98,286 km (0.082 R)
• M2: 418,425 km (0.079 R)
• M3: 674,836 km (0.091 R)
• M4: 955,482 km (0.102 R)
• M5: 1,391,111 km (0.1 R)
• M6: 2,377,409 km (0.048 R)
• M7: 3,350,544 km (0.095 R)
• M8: 3,894,930 km (0.1 R)
• M9: 5,801,106 km (0.105 R)
• M10: 7,488,720 km (0.114 R)
• M11: 7,739,446 km (0.053 R)
• M12: 8,311,059 km (0.114 R)
• M13: 9,655,495 km (0.06 R)
• M14: 10,195,244 km (0.092 R)
• M15: 11,665,941 km (0.11 R)
• M16: 14,167,666 km (0.115 R)
• M17: 18,695,844 km (0.094 R)
• M18: 21,891,404 km (0.045 R)
• M19: 22,198,828 km (0.107 R)
• M20: 25,546,529 km (0.044 R)
• M21: 28,601,916 km (0.059 R)
• M22: 29,839,240 km (0.032 R)
• M23: 33,764,987 km (0.104 R)
• M24: 34,451,193 km (0.094 R)
• M25: 37,143,356 km (0.085 R)
• M26: 38,466,250 km (0.065 R)
• M27: 42,623,276 km (0.115 R)
• M28: 47,582,595 km (0.117 R)
• M29: 49,846,011 km (0.116 R)
• M30: 64,321,699 km (0.12 R)
• M31: 70,150,182 km (0.107 R)
• M32: 71,042,533 km (0.112 R)
• M33: 78,935,616 km (0.082 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 549 - 14,790 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit