🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.5

Radius: 12.2

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.74 AU - 0.82 AU

Year: 459 Days

Day: 11.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 72.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 67,598,970 km

• M1: 151,692 km (0.08 R)
• M2: 856,149 km (0.078 R)
• M3: 1,408,015 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.7

Radius: 11.8

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.84 AU - 1.3 AU

Year: 738 Days

Day: 13.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 67,598,970 km

• M1: 149,149 km (0.104 R)
• M2: 1,111,811 km (0.097 R)
• M3: 1,818,213 km (0.112 R)
• M4: 2,212,702 km (0.036 R)
• M5: 2,613,624 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.7

Radius: 10.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.92 AU - 1.28 AU

Year: 769 Days

Day: 6.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,598,970 km

• M1: 133,591 km (0.107 R)
• M2: 474,824 km (0.108 R)
• M3: 833,111 km (0.114 R)
• M4: 1,691,653 km (0.112 R)
• M5: 2,031,240 km (0.119 R)
• M6: 2,616,467 km (0.038 R)
• M7: 3,037,136 km (0.109 R)
• M8: 3,405,895 km (0.092 R)
• M9: 3,924,251 km (0.106 R)
• M10: 4,713,679 km (0.106 R)
• M11: 5,702,970 km (0.05 R)
• M12: 6,246,908 km (0.085 R)
• M13: 7,253,402 km (0.1 R)
• M14: 7,723,289 km (0.091 R)
• M15: 8,213,372 km (0.118 R)
• M16: 8,594,547 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 445.2

Radius: 12.7

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.05 AU - 2.45 AU

Year: 2251 Days

Day: 11.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 117.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,598,970 km

• M1: 158,125 km (0.031 R)
• M2: 560,244 km (0.071 R)
• M3: 1,470,846 km (0.115 R)
• M4: 1,892,563 km (0.112 R)
• M5: 3,233,259 km (0.107 R)
• M6: 4,014,309 km (0.099 R)
• M7: 4,469,835 km (0.075 R)
• M8: 5,087,824 km (0.109 R)
• M9: 6,097,011 km (0.046 R)
• M10: 6,546,702 km (0.093 R)
• M11: 7,235,301 km (0.051 R)
• M12: 8,030,563 km (0.119 R)
• M13: 9,594,609 km (0.108 R)
• M14: 10,204,669 km (0.109 R)
• M15: 12,269,718 km (0.051 R)
• M16: 14,910,719 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 8.1

Gravity: 14.16 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 4.4 AU - 6.84 AU

Year: 8885 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,598,970 km

• M1: 101,128 km (0.11 R)
• M2: 410,497 km (0.063 R)
• M3: 960,718 km (0.049 R)
• M4: 1,488,948 km (0.114 R)
• M5: 1,827,338 km (0.092 R)
• M6: 2,092,575 km (0.082 R)
• M7: 2,958,747 km (0.046 R)
• M8: 3,255,848 km (0.084 R)
• M9: 4,268,775 km (0.1 R)
• M10: 4,740,158 km (0.077 R)
• M11: 5,148,411 km (0.093 R)
• M12: 6,107,483 km (0.094 R)
• M13: 6,941,042 km (0.095 R)
• M14: 10,201,079 km (0.025 R)
• M15: 12,161,559 km (0.078 R)
• M16: 16,455,766 km (0.105 R)
• M17: 21,075,049 km (0.101 R)
• M18: 22,965,068 km (0.102 R)
• M19: 23,769,905 km (0.057 R)
• M20: 27,177,894 km (0.12 R)
• M21: 27,775,837 km (0.113 R)
• M22: 31,114,412 km (0.081 R)
• M23: 37,338,731 km (0.104 R)
• M24: 42,317,498 km (0.084 R)
• M25: 44,207,517 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.9

Radius: 4.7

Gravity: 30.33 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.46 AU - 9.82 AU

Year: 16936 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,598,970 km

• M1: 59,540 km (0.107 R)
• M2: 255,962 km (0.111 R)
• M3: 631,901 km (0.059 R)
• M4: 869,612 km (0.066 R)
• M5: 1,827,936 km (0.094 R)
• M6: 2,313,381 km (0.088 R)
• M7: 3,004,224 km (0.106 R)
• M8: 3,591,695 km (0.084 R)
• M9: 4,158,073 km (0.117 R)
• M10: 6,849,339 km (0.092 R)
• M11: 10,056,866 km (0.119 R)
• M12: 11,667,288 km (0.118 R)
• M13: 14,501,868 km (0.061 R)
• M14: 15,540,077 km (0.092 R)
• M15: 18,097,902 km (0.11 R)
• M16: 19,212,555 km (0.074 R)
• M17: 23,926,833 km (0.1 R)
• M18: 26,117,544 km (0.08 R)
• M19: 28,780,686 km (0.043 R)
• M20: 29,707,145 km (0.11 R)
• M21: 31,497,532 km (0.106 R)
• M22: 36,755,748 km (0.113 R)
• M23: 44,534,089 km (0.118 R)
• M24: 44,687,577 km (0.116 R)
• M25: 47,994,138 km (0.112 R)
• M26: 48,479,434 km (0.054 R)
• M27: 53,340,467 km (0.112 R)
• M28: 57,783,374 km (0.118 R)
• M29: 58,700,559 km (0.114 R)
• M30: 61,320,317 km (0.057 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 19,812 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit