🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.1

Radius: 10.2

Gravity: 6.83 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.44 AU - 0.58 AU

Year: 247 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,441,985 km

• M1: 126,859 km (0.088 R)
• M2: 462,108 km (0.115 R)
• M3: 805,285 km (0.087 R)
• M4: 1,202,468 km (0.119 R)
• M5: 1,542,803 km (0.095 R)
• M6: 1,885,232 km (0.085 R)
• M7: 2,286,753 km (0.032 R)
• M8: 2,845,800 km (0.039 R)
• M9: 3,294,893 km (0.098 R)
• M10: 3,847,657 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.2

Radius: 10.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.53 AU - 0.65 AU

Year: 307 Days

Day: 10.1 Hours

Environment

Temp: -157 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,441,985 km

• M1: 128,953 km (0.089 R)
• M2: 529,576 km (0.082 R)
• M3: 1,104,780 km (0.04 R)
• M4: 1,601,894 km (0.103 R)
• M5: 2,012,690 km (0.071 R)
• M6: 2,485,120 km (0.112 R)
• M7: 3,030,404 km (0.115 R)
• M8: 3,493,110 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.5

Radius: 13.5

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.39 AU - 1.43 AU

Year: 1136 Days

Day: 14.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 54,441,985 km

• M1: 167,849 km (0.056 R)
• M2: 588,817 km (0.093 R)
• M3: 1,170,155 km (0.046 R)
• M4: 1,871,021 km (0.057 R)
• M5: 2,426,627 km (0.059 R)
• M6: 2,891,876 km (0.086 R)
• M7: 3,344,260 km (0.075 R)
• M8: 4,481,653 km (0.07 R)
• M9: 7,921,207 km (0.062 R)
• M10: 9,042,892 km (0.065 R)
• M11: 10,582,703 km (0.085 R)
• M12: 11,067,400 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.7

Radius: 11.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.36 AU - 2.02 AU

Year: 1490 Days

Day: 7.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,441,985 km

• M1: 142,567 km (0.039 R)
• M2: 500,554 km (0.101 R)
• M3: 906,114 km (0.111 R)
• M4: 1,450,351 km (0.079 R)
• M5: 2,217,788 km (0.114 R)
• M6: 2,742,129 km (0.098 R)
• M7: 3,379,715 km (0.036 R)
• M8: 3,742,939 km (0.077 R)
• M9: 4,261,744 km (0.054 R)
• M10: 5,119,239 km (0.065 R)
• M11: 5,806,043 km (0.092 R)
• M12: 6,232,546 km (0.089 R)
• M13: 6,730,857 km (0.094 R)
• M14: 7,148,534 km (0.119 R)
• M15: 7,667,040 km (0.105 R)
• M16: 9,797,165 km (0.069 R)
• M17: 10,891,772 km (0.043 R)
• M18: 11,877,323 km (0.038 R)
• M19: 12,527,774 km (0.094 R)
• M20: 14,067,585 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 370.6

Radius: 10

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.82 AU - 2.58 AU

Year: 2213 Days

Day: 9.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,441,985 km

• M1: 127,757 km (0.088 R)
• M2: 721,361 km (0.12 R)
• M3: 1,079,498 km (0.098 R)
• M4: 2,139,399 km (0.06 R)
• M5: 3,078,425 km (0.112 R)
• M6: 3,403,501 km (0.117 R)
• M7: 3,872,939 km (0.044 R)
• M8: 4,385,162 km (0.108 R)
• M9: 5,025,142 km (0.103 R)
• M10: 6,318,565 km (0.073 R)
• M11: 7,736,903 km (0.098 R)
• M12: 8,885,814 km (0.113 R)
• M13: 10,694,453 km (0.05 R)
• M14: 12,041,581 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 202.4

Radius: 4.2

Gravity: 11.47 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.79 AU - 7.79 AU

Year: 12000 Days

Day: 20.1 Hours

Environment

Temp: -237 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,441,985 km

• M1: 52,210 km (0.051 R)
• M2: 196,871 km (0.055 R)
• M3: 800,947 km (0.098 R)
• M4: 2,012,091 km (0.114 R)
• M5: 2,533,440 km (0.081 R)
• M6: 4,661,170 km (0.053 R)
• M7: 6,041,809 km (0.06 R)
• M8: 6,206,666 km (0.113 R)
• M9: 7,259,536 km (0.114 R)
• M10: 7,597,328 km (0.041 R)
• M11: 8,632,096 km (0.118 R)
• M12: 9,984,611 km (0.086 R)
• M13: 11,322,016 km (0.108 R)
• M14: 13,211,287 km (0.069 R)
• M15: 20,488,326 km (0.079 R)
• M16: 22,950,557 km (0.107 R)
• M17: 23,677,005 km (0.066 R)
• M18: 26,736,431 km (0.053 R)
• M19: 29,384,612 km (0.12 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 444.2

Radius: 4.7

Gravity: 20.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 6.97 AU - 8.81 AU

Year: 15032 Days

Day: 17.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,441,985 km

• M1: 58,493 km (0.085 R)
• M2: 207,642 km (0.109 R)
• M3: 391,797 km (0.084 R)
• M4: 1,662,930 km (0.03 R)
• M5: 2,702,934 km (0.098 R)
• M6: 14,448,910 km (0.032 R)
• M7: 18,394,105 km (0.094 R)
• M8: 20,697,165 km (0.115 R)
• M9: 25,275,308 km (0.111 R)
• M10: 26,567,385 km (0.044 R)
• M11: 29,067,315 km (0.117 R)
• M12: 35,012,634 km (0.103 R)
• M13: 38,268,033 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 14,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit