🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.4

Radius: 13.4

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.89 AU - 0.99 AU

Year: 588 Days

Day: 7.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 57,141,167 km

• M1: 166,652 km (0.065 R)
• M2: 594,502 km (0.099 R)
• M3: 1,105,977 km (0.104 R)
• M4: 1,606,831 km (0.044 R)
• M5: 2,347,041 km (0.087 R)
• M6: 2,933,165 km (0.12 R)
• M7: 3,406,792 km (0.034 R)
• M8: 4,402,366 km (0.096 R)
• M9: 5,405,270 km (0.075 R)
• M10: 5,895,502 km (0.12 R)
• M11: 6,435,252 km (0.098 R)
• M12: 7,393,875 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.1

Radius: 13.6

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.83 AU - 1.27 AU

Year: 695 Days

Day: 5.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 57,141,167 km

• M1: 169,195 km (0.046 R)
• M2: 665,711 km (0.034 R)
• M3: 1,103,733 km (0.093 R)
• M4: 3,495,653 km (0.089 R)
• M5: 7,668,686 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.5

Radius: 14.4

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.33 AU - 1.81 AU

Year: 1270 Days

Day: 13.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,141,167 km

• M1: 179,069 km (0.114 R)
• M2: 674,836 km (0.111 R)
• M3: 1,126,622 km (0.096 R)
• M4: 2,196,246 km (0.095 R)
• M5: 2,754,845 km (0.119 R)
• M6: 3,315,388 km (0.075 R)
• M7: 3,814,895 km (0.055 R)
• M8: 4,346,117 km (0.067 R)
• M9: 4,926,707 km (0.095 R)
• M10: 7,116,221 km (0.053 R)
• M11: 7,622,460 km (0.089 R)
• M12: 8,737,114 km (0.073 R)
• M13: 9,443,964 km (0.11 R)
• M14: 9,892,758 km (0.111 R)
• M15: 11,148,033 km (0.108 R)
• M16: 13,206,799 km (0.116 R)
• M17: 13,687,756 km (0.112 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 771.2

Radius: 6.7

Gravity: 17.18 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.08 AU - 8.16 AU

Year: 12267 Days

Day: 15.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 57,141,167 km

• M1: 83,326 km (0.063 R)
• M2: 291,716 km (0.099 R)
• M3: 512,971 km (0.089 R)
• M4: 964,158 km (0.057 R)
• M5: 1,335,909 km (0.11 R)
• M6: 2,267,156 km (0.101 R)
• M7: 3,790,062 km (0.087 R)
• M8: 4,310,663 km (0.115 R)
• M9: 4,619,881 km (0.12 R)
• M10: 5,282,750 km (0.114 R)
• M11: 7,876,926 km (0.103 R)
• M12: 8,529,921 km (0.06 R)
• M13: 10,265,555 km (0.102 R)
• M14: 10,817,721 km (0.103 R)
• M15: 15,181,342 km (0.071 R)
• M16: 17,631,306 km (0.059 R)
• M17: 18,503,312 km (0.109 R)
• M18: 19,570,393 km (0.043 R)
• M19: 20,939,513 km (0.068 R)
• M20: 23,204,575 km (0.104 R)
• M21: 24,444,591 km (0.061 R)
• M22: 25,728,291 km (0.045 R)
• M23: 28,644,551 km (0.094 R)
• M24: 29,296,948 km (0.069 R)
• M25: 33,182,154 km (0.025 R)
• M26: 38,438,874 km (0.112 R)
• M27: 39,767,452 km (0.076 R)
• M28: 41,263,880 km (0.07 R)
• M29: 43,080,447 km (0.115 R)
• M30: 47,929,811 km (0.119 R)
• M31: 49,158,010 km (0.108 R)
• M32: 50,406,853 km (0.114 R)
• M33: 55,111,706 km (0.11 R)
• M34: 56,799,469 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 14,415 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit