🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.3

Radius: 11.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 430 Days

Day: 7.1 Hours

Environment

Temp: -141 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 34,673,212 km

• M1: 143,016 km (0.102 R)
• M2: 561,142 km (0.081 R)
• M3: 991,684 km (0.096 R)
• M4: 1,465,162 km (0.081 R)
• M5: 1,890,917 km (0.101 R)
• M6: 2,989,115 km (0.109 R)
• M7: 3,368,196 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.2

Radius: 8.2

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.76 AU - 1.1 AU

Year: 570 Days

Day: 9.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 34,673,212 km

• M1: 103,223 km (0.093 R)
• M2: 456,274 km (0.081 R)
• M3: 1,862,344 km (0.117 R)
• M4: 2,512,496 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.8

Radius: 8.9

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3 AU - 3.84 AU

Year: 4021 Days

Day: 5.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,673,212 km

• M1: 111,002 km (0.046 R)
• M2: 408,253 km (0.11 R)
• M3: 770,878 km (0.088 R)
• M4: 1,210,097 km (0.077 R)
• M5: 1,882,839 km (0.077 R)
• M6: 2,220,032 km (0.059 R)
• M7: 2,643,694 km (0.063 R)
• M8: 4,268,027 km (0.05 R)
• M9: 6,528,152 km (0.063 R)
• M10: 7,622,760 km (0.104 R)
• M11: 8,589,760 km (0.107 R)
• M12: 15,494,001 km (0.097 R)
• M13: 17,205,850 km (0.09 R)
• M14: 17,822,193 km (0.102 R)
• M15: 20,436,416 km (0.067 R)
• M16: 20,811,607 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 201.3

Radius: 5.1

Gravity: 7.74 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.04 AU - 7.62 AU

Year: 11349 Days

Day: 23.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,673,212 km

• M1: 87,814 km (0.046 R)
• M2: 340,335 km (0.115 R)
• M3: 916,287 km (0.115 R)
• M4: 1,186,910 km (0.071 R)
• M5: 1,447,808 km (0.045 R)
• M6: 4,337,889 km (0.045 R)
• M7: 5,071,517 km (0.081 R)
• M8: 6,372,271 km (0.11 R)
• M9: 7,464,635 km (0.097 R)
• M10: 13,197,973 km (0.081 R)
• M11: 13,805,789 km (0.106 R)
• M12: 15,136,612 km (0.084 R)
• M13: 15,376,567 km (0.066 R)
• M14: 18,593,071 km (0.04 R)
• M15: 19,996,299 km (0.065 R)
• M16: 25,294,008 km (0.087 R)
• M17: 29,178,317 km (0.049 R)
• M18: 32,938,010 km (0.117 R)
• M19: 33,543,583 km (0.087 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 16,856 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit