🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.3

Radius: 14.9

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.55 AU - 0.61 AU

Year: 305 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,501,821 km

• M1: 185,352 km (0.097 R)
• M2: 746,493 km (0.115 R)
• M3: 1,269,338 km (0.114 R)
• M4: 1,783,207 km (0.067 R)
• M5: 2,402,841 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897

Radius: 13.4

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.96 AU - 1.08 AU

Year: 711 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,501,821 km

• M1: 166,652 km (0.088 R)
• M2: 625,020 km (0.041 R)
• M3: 1,054,815 km (0.052 R)
• M4: 2,055,774 km (0.116 R)
• M5: 2,776,237 km (0.049 R)
• M6: 3,463,939 km (0.057 R)
• M7: 4,538,799 km (0.033 R)
• M8: 5,073,163 km (0.048 R)
• M9: 6,207,264 km (0.089 R)
• M10: 6,671,317 km (0.102 R)
• M11: 7,113,080 km (0.066 R)
• M12: 7,740,792 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 9.5

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.56 AU - 2.72 AU

Year: 2961 Days

Day: 12.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,501,821 km

• M1: 118,482 km (0.063 R)
• M2: 587,620 km (0.103 R)
• M3: 914,193 km (0.071 R)
• M4: 1,686,566 km (0.04 R)
• M5: 2,265,061 km (0.084 R)
• M6: 2,630,828 km (0.073 R)
• M7: 3,482,339 km (0.046 R)
• M8: 3,855,137 km (0.076 R)
• M9: 6,625,690 km (0.066 R)
• M10: 7,409,283 km (0.072 R)
• M11: 8,581,831 km (0.113 R)
• M12: 10,357,109 km (0.108 R)
• M13: 11,861,017 km (0.115 R)
• M14: 13,550,575 km (0.051 R)
• M15: 14,054,870 km (0.029 R)
• M16: 16,096,132 km (0.1 R)
• M17: 17,562,042 km (0.09 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.9

Radius: 4.8

Gravity: 36.8 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.68 AU - 8.14 AU

Year: 15356 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,501,821 km

• M1: 61,036 km (0.099 R)
• M2: 1,333,366 km (0.056 R)
• M3: 2,702,486 km (0.045 R)
• M4: 2,870,185 km (0.066 R)
• M5: 3,147,689 km (0.109 R)
• M6: 3,498,496 km (0.111 R)
• M7: 4,088,510 km (0.114 R)
• M8: 4,606,268 km (0.046 R)
• M9: 5,130,459 km (0.099 R)
• M10: 6,464,274 km (0.026 R)
• M11: 8,461,854 km (0.1 R)
• M12: 9,408,210 km (0.095 R)
• M13: 9,572,618 km (0.09 R)
• M14: 10,540,217 km (0.098 R)
• M15: 10,717,491 km (0.036 R)
• M16: 11,823,468 km (0.113 R)
• M17: 12,801,539 km (0.027 R)
• M18: 14,044,846 km (0.082 R)
• M19: 14,622,593 km (0.05 R)
• M20: 23,737,143 km (0.09 R)
• M21: 26,684,819 km (0.064 R)
• M22: 28,132,777 km (0.091 R)
• M23: 32,041,919 km (0.106 R)
• M24: 35,896,458 km (0.072 R)
• M25: 40,625,546 km (0.033 R)
• M26: 43,744,811 km (0.082 R)
• M27: 48,798,825 km (0.112 R)
• M28: 49,456,757 km (0.065 R)
• M29: 53,877,823 km (0.114 R)
• M30: 63,300,993 km (0.097 R)
• M31: 66,872,343 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 274 - 10,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit