🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 13.1

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.59 AU - 0.85 AU

Year: 401 Days

Day: 6.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 16,568,330 km

• M1: 163,062 km (0.095 R)
• M2: 617,839 km (0.109 R)
• M3: 1,088,773 km (0.09 R)
• M4: 1,517,670 km (0.102 R)
• M5: 2,302,461 km (0.04 R)
• M6: 2,735,247 km (0.039 R)
• M7: 3,572,846 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 9.7

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.79 AU - 1.21 AU

Year: 656 Days

Day: 8.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 16,568,330 km

• M1: 120,576 km (0.109 R)
• M2: 437,125 km (0.092 R)
• M3: 788,082 km (0.072 R)
• M4: 1,320,500 km (0.117 R)
• M5: 1,804,300 km (0.065 R)
• M6: 2,652,221 km (0.086 R)
• M7: 3,058,379 km (0.049 R)
• M8: 3,531,856 km (0.103 R)
• M9: 3,855,736 km (0.055 R)
• M10: 4,318,442 km (0.112 R)
• M11: 6,294,779 km (0.053 R)
• M12: 6,691,662 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 738.4

Radius: 9.7

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.94 AU - 1.24 AU

Year: 747 Days

Day: 12.9 Hours

Environment

Temp: -169 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,568,330 km

• M1: 121,324 km (0.114 R)
• M2: 426,653 km (0.046 R)
• M3: 784,940 km (0.092 R)
• M4: 1,349,971 km (0.064 R)
• M5: 2,218,536 km (0.031 R)
• M6: 2,524,314 km (0.025 R)
• M7: 3,118,816 km (0.063 R)
• M8: 3,436,113 km (0.034 R)
• M9: 3,804,124 km (0.096 R)
• M10: 4,586,521 km (0.09 R)
• M11: 5,177,433 km (0.101 R)
• M12: 5,510,288 km (0.048 R)
• M13: 6,681,789 km (0.093 R)
• M14: 7,628,594 km (0.038 R)
• M15: 8,011,864 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.3

Radius: 9.2

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.05 AU - 1.25 AU

Year: 809 Days

Day: 6.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 16,568,330 km

• M1: 114,442 km (0.109 R)
• M2: 419,024 km (0.09 R)
• M3: 713,881 km (0.103 R)
• M4: 1,117,346 km (0.102 R)
• M5: 1,524,701 km (0.065 R)
• M6: 2,010,595 km (0.08 R)
• M7: 2,642,796 km (0.082 R)
• M8: 3,005,870 km (0.088 R)
• M9: 5,254,176 km (0.081 R)
• M10: 6,176,447 km (0.089 R)
• M11: 7,020,778 km (0.086 R)
• M12: 7,553,496 km (0.08 R)
• M13: 7,915,373 km (0.098 R)
• M14: 8,831,211 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.7

Radius: 14

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.06 AU - 2.6 AU

Year: 2333 Days

Day: 5 Hours

Environment

Temp: -187 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,568,330 km

• M1: 174,132 km (0.095 R)
• M2: 737,667 km (0.073 R)
• M3: 1,379,143 km (0.11 R)
• M4: 2,052,782 km (0.103 R)
• M5: 2,568,446 km (0.067 R)
• M6: 3,652,582 km (0.07 R)
• M7: 5,110,263 km (0.068 R)
• M8: 6,475,793 km (0.11 R)
• M9: 7,146,589 km (0.087 R)
• M10: 8,102,819 km (0.084 R)
• M11: 8,659,323 km (0.085 R)
• M12: 9,953,345 km (0.051 R)
• M13: 12,190,730 km (0.084 R)
• M14: 12,716,567 km (0.072 R)
• M15: 15,250,306 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.2

Radius: 13.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 3.05 AU - 3.35 AU

Year: 3755 Days

Day: 9.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 149.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 16,568,330 km

• M1: 166,802 km (0.068 R)
• M2: 752,776 km (0.096 R)
• M3: 1,571,077 km (0.035 R)
• M4: 2,088,536 km (0.073 R)
• M5: 2,570,839 km (0.08 R)
• M6: 4,069,511 km (0.107 R)
• M7: 4,558,846 km (0.03 R)
• M8: 5,326,283 km (0.097 R)
• M9: 7,185,186 km (0.096 R)
• M10: 8,408,896 km (0.11 R)
• M11: 10,649,573 km (0.041 R)
• M12: 11,177,205 km (0.11 R)
• M13: 11,907,991 km (0.091 R)
• M14: 12,332,998 km (0.088 R)
• M15: 14,451,753 km (0.107 R)
• M16: 15,319,420 km (0.09 R)
• M17: 20,455,714 km (0.04 R)
• M18: 21,619,435 km (0.094 R)
• M19: 22,899,096 km (0.103 R)
• M20: 24,379,666 km (0.043 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 10.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.11 AU - 4.49 AU

Year: 4859 Days

Day: 8 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 16,568,330 km

• M1: 131,796 km (0.092 R)
• M2: 610,808 km (0.118 R)
• M3: 983,606 km (0.105 R)
• M4: 1,419,385 km (0.086 R)
• M5: 2,375,764 km (0.076 R)
• M6: 2,820,967 km (0.118 R)
• M7: 3,288,311 km (0.12 R)
• M8: 4,419,420 km (0.087 R)
• M9: 4,964,555 km (0.112 R)
• M10: 6,038,668 km (0.089 R)
• M11: 7,374,876 km (0.119 R)
• M12: 7,811,702 km (0.06 R)
• M13: 9,094,653 km (0.117 R)
• M14: 11,104,949 km (0.084 R)
• M15: 15,696,557 km (0.119 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 11,205 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit