🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.3

Radius: 9.2

Gravity: 10.33 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.46 AU - 0.58 AU

Year: 259 Days

Day: 13.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,093,855 km

• M1: 114,442 km (0.086 R)
• M2: 406,906 km (0.081 R)
• M3: 706,252 km (0.039 R)
• M4: 1,136,046 km (0.101 R)
• M5: 1,818,512 km (0.097 R)
• M6: 2,471,357 km (0.05 R)
• M7: 2,965,030 km (0.089 R)
• M8: 3,283,374 km (0.099 R)
• M9: 3,579,279 km (0.081 R)
• M10: 3,965,241 km (0.068 R)
• M11: 4,288,672 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 8.7

Gravity: 12.4 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.75 AU - 2.07 AU

Year: 1822 Days

Day: 8 Hours

Environment

Temp: -206 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,093,855 km

• M1: 108,159 km (0.104 R)
• M2: 549,174 km (0.082 R)
• M3: 875,447 km (0.082 R)
• M4: 1,678,488 km (0.1 R)
• M5: 2,120,999 km (0.108 R)
• M6: 2,458,043 km (0.102 R)
• M7: 3,175,215 km (0.034 R)
• M8: 4,141,318 km (0.104 R)
• M9: 4,864,773 km (0.089 R)
• M10: 5,199,573 km (0.088 R)
• M11: 5,767,447 km (0.115 R)
• M12: 7,111,135 km (0.086 R)
• M13: 7,871,242 km (0.07 R)
• M14: 8,492,073 km (0.109 R)
• M15: 9,011,776 km (0.107 R)
• M16: 9,415,540 km (0.089 R)
• M17: 10,295,176 km (0.064 R)
• M18: 10,811,139 km (0.118 R)
• M19: 11,578,127 km (0.044 R)
• M20: 13,177,328 km (0.116 R)
• M21: 14,412,857 km (0.095 R)
• M22: 14,687,369 km (0.111 R)
• M23: 15,723,933 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.6

Radius: 12.5

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.32 AU - 2.6 AU

Year: 2663 Days

Day: 9.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,093,855 km

• M1: 174,730 km (0.044 R)
• M2: 567,724 km (0.081 R)
• M3: 1,038,359 km (0.112 R)
• M4: 1,648,718 km (0.065 R)
• M5: 2,490,356 km (0.114 R)
• M6: 5,270,034 km (0.085 R)
• M7: 7,461,643 km (0.084 R)
• M8: 8,107,457 km (0.057 R)
• M9: 13,193,635 km (0.102 R)
• M10: 14,265,952 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 247.1

Radius: 7.9

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.52 AU - 8.78 AU

Year: 16060 Days

Day: 19.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,093,855 km

• M1: 98,286 km (0.029 R)
• M2: 562,338 km (0.074 R)
• M3: 1,007,242 km (0.081 R)
• M4: 4,613,898 km (0.114 R)
• M5: 7,369,790 km (0.064 R)
• M6: 7,867,352 km (0.119 R)
• M7: 8,387,055 km (0.115 R)
• M8: 10,593,474 km (0.08 R)
• M9: 16,114,982 km (0.105 R)
• M10: 22,003,154 km (0.095 R)
• M11: 24,367,100 km (0.098 R)
• M12: 28,573,492 km (0.052 R)
• M13: 37,416,671 km (0.08 R)
• M14: 39,630,720 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232

Radius: 3

Gravity: 25.78 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 7.69 AU - 10.13 AU

Year: 18358 Days

Day: 20.2 Hours

Environment

Temp: -244 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 50,093,855 km

• M1: 39,045 km (0.107 R)
• M2: 147,354 km (0.078 R)
• M3: 443,857 km (0.084 R)
• M4: 1,033,572 km (0.087 R)
• M5: 1,220,569 km (0.113 R)
• M6: 1,499,868 km (0.12 R)
• M7: 1,919,191 km (0.115 R)
• M8: 2,092,874 km (0.083 R)
• M9: 2,698,147 km (0.115 R)
• M10: 4,389,202 km (0.081 R)
• M11: 4,783,542 km (0.081 R)
• M12: 10,110,123 km (0.044 R)
• M13: 11,122,153 km (0.069 R)
• M14: 12,613,494 km (0.082 R)
• M15: 17,577,301 km (0.118 R)
• M16: 17,726,899 km (0.06 R)
• M17: 18,488,202 km (0.05 R)
• M18: 22,359,646 km (0.101 R)
• M19: 24,251,460 km (0.096 R)
• M20: 27,536,031 km (0.108 R)
• M21: 30,025,041 km (0.109 R)
• M22: 30,995,781 km (0.082 R)
• M23: 32,547,111 km (0.106 R)
• M24: 32,772,854 km (0.11 R)
• M25: 40,822,417 km (0.095 R)
• M26: 42,819,099 km (0.09 R)
• M27: 44,047,896 km (0.034 R)
• M28: 46,432,636 km (0.112 R)
• M29: 47,006,045 km (0.055 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 16,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit