🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.8

Radius: 12.6

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.57 AU - 0.71 AU

Year: 341 Days

Day: 12.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,183,063 km

• M1: 156,779 km (0.099 R)
• M2: 588,069 km (0.081 R)
• M3: 1,015,321 km (0.11 R)
• M4: 1,528,591 km (0.053 R)
• M5: 2,068,340 km (0.104 R)
• M6: 2,714,453 km (0.108 R)
• M7: 3,257,194 km (0.074 R)
• M8: 3,810,707 km (0.1 R)
• M9: 4,214,022 km (0.087 R)
• M10: 4,618,086 km (0.093 R)
• M11: 5,018,709 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 12.1

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 3.04 AU - 4.54 AU

Year: 4920 Days

Day: 5.7 Hours

Environment

Temp: -212 °C

Axial Tilt: 98.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,183,063 km

• M1: 150,495 km (0.114 R)
• M2: 572,212 km (0.068 R)
• M3: 1,012,778 km (0.116 R)
• M4: 1,711,998 km (0.068 R)
• M5: 2,486,167 km (0.085 R)
• M6: 2,878,562 km (0.117 R)
• M7: 3,633,732 km (0.073 R)
• M8: 4,142,814 km (0.07 R)
• M9: 4,568,420 km (0.055 R)
• M10: 6,118,852 km (0.072 R)
• M11: 7,995,258 km (0.116 R)
• M12: 8,618,333 km (0.114 R)
• M13: 11,489,116 km (0.047 R)
• M14: 19,039,471 km (0.073 R)
• M15: 20,010,211 km (0.057 R)
• M16: 20,796,049 km (0.088 R)
• M17: 24,467,480 km (0.105 R)
• M18: 24,873,189 km (0.049 R)
• M19: 26,541,205 km (0.062 R)
• M20: 27,928,426 km (0.088 R)
• M21: 30,752,685 km (0.078 R)
• M22: 31,991,953 km (0.086 R)

Planet 3 - Ice Giant

Semi-Major Axis: 5.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.6

Radius: 3.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.78 AU - 5.82 AU

Year: 9315 Days

Day: 19 Hours

Environment

Temp: -236 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,183,063 km

• M1: 41,588 km (0.056 R)
• M2: 199,863 km (0.104 R)
• M3: 2,248,606 km (0.065 R)
• M4: 4,541,941 km (0.12 R)
• M5: 8,542,936 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149

Radius: 4.5

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.22 AU - 7.78 AU

Year: 12350 Days

Day: 20.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 33,183,063 km

• M1: 56,698 km (0.106 R)
• M2: 221,554 km (0.115 R)
• M3: 385,215 km (0.095 R)
• M4: 605,273 km (0.055 R)
• M5: 1,141,432 km (0.109 R)
• M6: 2,616,916 km (0.042 R)
• M7: 2,782,820 km (0.075 R)
• M8: 4,554,507 km (0.082 R)
• M9: 4,932,242 km (0.116 R)
• M10: 6,519,475 km (0.119 R)
• M11: 12,164,700 km (0.087 R)
• M12: 13,643,775 km (0.086 R)
• M13: 14,143,581 km (0.111 R)
• M14: 16,326,962 km (0.103 R)
• M15: 16,575,743 km (0.111 R)
• M16: 18,388,121 km (0.044 R)
• M17: 19,550,647 km (0.103 R)
• M18: 22,940,385 km (0.099 R)
• M19: 23,567,349 km (0.053 R)
• M20: 27,746,815 km (0.108 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: 403 - 19,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit