🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 953.6

Radius: 13.6

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.64 AU - 0.98 AU

Year: 478 Days

Day: 10.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,298,131 km

• M1: 169,195 km (0.078 R)
• M2: 619,634 km (0.046 R)
• M3: 1,187,957 km (0.11 R)
• M4: 1,648,269 km (0.109 R)
• M5: 2,076,718 km (0.095 R)
• M6: 2,529,850 km (0.052 R)
• M7: 3,575,389 km (0.086 R)
• M8: 4,005,633 km (0.036 R)
• M9: 4,592,655 km (0.05 R)
• M10: 5,687,262 km (0.118 R)
• M11: 6,826,899 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.7

Radius: 13.9

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.81 AU - 0.85 AU

Year: 496 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,298,131 km

• M1: 172,935 km (0.102 R)
• M2: 672,891 km (0.053 R)
• M3: 1,644,529 km (0.099 R)
• M4: 2,339,711 km (0.095 R)
• M5: 2,876,019 km (0.109 R)
• M6: 3,893,883 km (0.062 R)
• M7: 4,537,004 km (0.106 R)
• M8: 5,061,494 km (0.119 R)
• M9: 5,829,380 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801.4

Radius: 14.8

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.98 AU - 1.12 AU

Year: 706 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 21,298,131 km

• M1: 184,005 km (0.109 R)
• M2: 647,310 km (0.084 R)
• M3: 1,141,282 km (0.081 R)
• M4: 1,658,741 km (0.035 R)
• M5: 3,218,299 km (0.057 R)
• M6: 4,330,559 km (0.104 R)
• M7: 5,152,001 km (0.08 R)
• M8: 5,859,001 km (0.108 R)
• M9: 6,482,973 km (0.102 R)
• M10: 7,106,796 km (0.12 R)
• M11: 8,202,900 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.6

Radius: 12.7

Gravity: 2.62 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.13 AU - 1.35 AU

Year: 906 Days

Day: 12.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,298,131 km

• M1: 157,975 km (0.1 R)
• M2: 614,997 km (0.097 R)
• M3: 1,012,179 km (0.097 R)
• M4: 1,450,351 km (0.03 R)
• M5: 2,026,453 km (0.093 R)
• M6: 2,489,159 km (0.066 R)
• M7: 2,974,454 km (0.095 R)
• M8: 3,786,023 km (0.104 R)
• M9: 4,674,185 km (0.041 R)
• M10: 5,791,233 km (0.051 R)
• M11: 6,819,868 km (0.039 R)
• M12: 7,943,049 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447

Radius: 12.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 2.92 AU - 4.54 AU

Year: 4726 Days

Day: 5.6 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 21,298,131 km

• M1: 161,715 km (0.084 R)
• M2: 609,911 km (0.082 R)
• M3: 1,271,133 km (0.034 R)
• M4: 2,279,872 km (0.108 R)
• M5: 2,828,597 km (0.085 R)
• M6: 3,602,915 km (0.085 R)
• M7: 5,254,924 km (0.116 R)
• M8: 6,018,023 km (0.073 R)
• M9: 7,011,054 km (0.032 R)
• M10: 7,597,029 km (0.118 R)
• M11: 8,286,376 km (0.082 R)
• M12: 10,316,269 km (0.09 R)
• M13: 11,162,245 km (0.09 R)
• M14: 12,145,702 km (0.092 R)
• M15: 12,564,276 km (0.039 R)
• M16: 13,678,182 km (0.064 R)
• M17: 14,284,951 km (0.101 R)
• M18: 16,102,116 km (0.088 R)
• M19: 16,950,935 km (0.087 R)
• M20: 22,265,997 km (0.053 R)
• M21: 22,683,525 km (0.111 R)
• M22: 23,391,123 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.3

Radius: 9.6

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.5 AU - 5.66 AU

Year: 8647 Days

Day: 6.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 21,298,131 km

• M1: 137,780 km (0.085 R)
• M2: 1,107,174 km (0.05 R)
• M3: 1,587,981 km (0.106 R)
• M4: 2,186,822 km (0.059 R)
• M5: 2,887,688 km (0.098 R)
• M6: 4,445,002 km (0.107 R)
• M7: 6,212,052 km (0.07 R)
• M8: 8,275,754 km (0.091 R)
• M9: 8,755,365 km (0.113 R)
• M10: 16,522,187 km (0.046 R)
• M11: 17,565,782 km (0.098 R)
• M12: 25,038,794 km (0.117 R)
• M13: 30,430,750 km (0.1 R)
• M14: 43,570,529 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.4

Radius: 13.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.32 AU - 7.08 AU

Year: 8927 Days

Day: 7.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,298,131 km

• M1: 169,195 km (0.09 R)
• M2: 653,144 km (0.09 R)
• M3: 1,636,002 km (0.083 R)
• M4: 2,239,181 km (0.037 R)
• M5: 2,826,203 km (0.118 R)
• M6: 3,703,744 km (0.038 R)
• M7: 4,442,758 km (0.115 R)
• M8: 6,243,617 km (0.068 R)
• M9: 8,456,468 km (0.098 R)
• M10: 12,119,821 km (0.077 R)
• M11: 13,099,238 km (0.111 R)
• M12: 14,178,886 km (0.061 R)
• M13: 19,752,753 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,253 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit