🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110

Radius: 12.2

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.15 AU - 1.25 AU

Year: 849 Days

Day: 10.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 31,717,961 km

• M1: 151,692 km (0.094 R)
• M2: 556,205 km (0.119 R)
• M3: 1,243,158 km (0.077 R)
• M4: 1,876,256 km (0.094 R)
• M5: 2,353,773 km (0.075 R)
• M6: 2,962,337 km (0.038 R)
• M7: 3,343,213 km (0.079 R)
• M8: 4,801,344 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.5

Radius: 12.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.08 AU - 1.52 AU

Year: 957 Days

Day: 9.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 31,717,961 km

• M1: 153,039 km (0.04 R)
• M2: 621,280 km (0.106 R)
• M3: 1,532,331 km (0.089 R)
• M4: 2,145,533 km (0.04 R)
• M5: 3,650,637 km (0.076 R)
• M6: 4,160,167 km (0.114 R)
• M7: 4,957,225 km (0.066 R)
• M8: 5,874,409 km (0.088 R)
• M9: 6,285,055 km (0.081 R)
• M10: 6,925,185 km (0.109 R)
• M11: 7,384,001 km (0.109 R)
• M12: 8,229,379 km (0.046 R)
• M13: 8,939,969 km (0.115 R)
• M14: 9,397,439 km (0.077 R)
• M15: 9,900,387 km (0.101 R)
• M16: 10,704,625 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 453.7

Radius: 14.1

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.81 AU - 5.69 AU

Year: 6684 Days

Day: 12.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 31,717,961 km

• M1: 176,825 km (0.079 R)
• M2: 708,346 km (0.113 R)
• M3: 1,196,933 km (0.064 R)
• M4: 2,974,604 km (0.116 R)
• M5: 3,935,621 km (0.094 R)
• M6: 5,289,482 km (0.052 R)
• M7: 6,766,162 km (0.115 R)
• M8: 10,296,672 km (0.083 R)
• M9: 11,738,197 km (0.063 R)
• M10: 14,905,034 km (0.112 R)
• M11: 15,366,544 km (0.03 R)
• M12: 18,470,849 km (0.08 R)
• M13: 23,799,525 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159

Radius: 3

Gravity: 17.67 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.53 AU - 7.85 AU

Year: 11173 Days

Day: 24.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 31,717,961 km

• M1: 37,549 km (0.119 R)
• M2: 144,212 km (0.089 R)
• M3: 360,980 km (0.114 R)
• M4: 587,770 km (0.108 R)
• M5: 696,228 km (0.117 R)
• M6: 818,001 km (0.106 R)
• M7: 1,239,119 km (0.116 R)
• M8: 1,803,253 km (0.074 R)
• M9: 3,001,831 km (0.09 R)
• M10: 3,222,637 km (0.063 R)
• M11: 5,279,458 km (0.058 R)
• M12: 6,154,905 km (0.099 R)
• M13: 8,110,748 km (0.113 R)
• M14: 8,538,298 km (0.074 R)
• M15: 10,535,430 km (0.065 R)
• M16: 11,185,582 km (0.1 R)
• M17: 12,311,007 km (0.114 R)
• M18: 12,616,636 km (0.036 R)
• M19: 18,948,964 km (0.084 R)
• M20: 22,978,831 km (0.052 R)
• M21: 29,491,275 km (0.109 R)
• M22: 30,498,368 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 213 - 14,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit