🌌 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: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.7

Radius: 13.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.84 AU

Year: 406 Days

Day: 12.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,950,704 km

• M1: 170,392 km (0.097 R)
• M2: 605,423 km (0.106 R)
• M3: 1,635,254 km (0.119 R)
• M4: 2,759,034 km (0.071 R)
• M5: 3,206,032 km (0.094 R)
• M6: 3,975,115 km (0.078 R)
• M7: 5,114,302 km (0.114 R)
• M8: 5,589,724 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.9

Radius: 13.6

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1 AU - 1.54 AU

Year: 971 Days

Day: 11.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,950,704 km

• M1: 169,195 km (0.065 R)
• M2: 725,250 km (0.06 R)
• M3: 1,359,994 km (0.094 R)
• M4: 1,876,406 km (0.106 R)
• M5: 2,418,848 km (0.105 R)
• M6: 4,174,379 km (0.102 R)
• M7: 5,670,956 km (0.109 R)
• M8: 6,272,489 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.4

Radius: 13.7

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.07 AU - 3.21 AU

Year: 2909 Days

Day: 8.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,950,704 km

• M1: 170,392 km (0.055 R)
• M2: 630,256 km (0.113 R)
• M3: 1,340,247 km (0.083 R)
• M4: 2,191,908 km (0.092 R)
• M5: 2,776,536 km (0.041 R)
• M6: 3,464,088 km (0.111 R)
• M7: 3,940,707 km (0.09 R)
• M8: 4,644,715 km (0.091 R)
• M9: 5,093,209 km (0.117 R)
• M10: 5,688,908 km (0.12 R)
• M11: 6,459,486 km (0.092 R)
• M12: 7,412,275 km (0.115 R)
• M13: 8,740,704 km (0.034 R)
• M14: 10,257,776 km (0.119 R)
• M15: 11,709,175 km (0.081 R)
• M16: 12,915,831 km (0.071 R)
• M17: 15,434,611 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.7

Radius: 4.9

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 6.36 AU - 10.54 AU

Year: 16660 Days

Day: 22.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 52,950,704 km

• M1: 69,713 km (0.066 R)
• M2: 254,167 km (0.114 R)
• M3: 471,532 km (0.114 R)
• M4: 647,460 km (0.074 R)
• M5: 1,045,240 km (0.11 R)
• M6: 1,350,869 km (0.068 R)
• M7: 1,517,670 km (0.061 R)
• M8: 1,826,740 km (0.073 R)
• M9: 2,213,899 km (0.11 R)
• M10: 3,126,446 km (0.031 R)
• M11: 4,063,976 km (0.051 R)
• M12: 4,690,342 km (0.098 R)
• M13: 5,175,488 km (0.11 R)
• M14: 6,398,301 km (0.105 R)
• M15: 8,114,637 km (0.092 R)
• M16: 10,703,877 km (0.101 R)
• M17: 11,773,053 km (0.095 R)
• M18: 13,796,065 km (0.116 R)
• M19: 16,838,288 km (0.116 R)
• M20: 17,210,038 km (0.102 R)
• M21: 17,663,320 km (0.109 R)
• M22: 22,463,167 km (0.113 R)
• M23: 26,435,889 km (0.088 R)
• M24: 33,701,857 km (0.055 R)
• M25: 34,530,031 km (0.107 R)
• M26: 34,769,088 km (0.115 R)
• M27: 35,009,193 km (0.052 R)
• M28: 35,492,992 km (0.111 R)
• M29: 36,473,756 km (0.067 R)
• M30: 37,724,843 km (0.062 R)
• M31: 38,489,139 km (0.109 R)
• M32: 42,056,599 km (0.081 R)
• M33: 45,121,560 km (0.104 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 19,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit