🌌 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 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.58 AU - 0.68 AU

Year: 323 Days

Day: 47.5 Hours

Environment

Temp: -125 °C

Axial Tilt: 33.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 14.4

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.73 AU - 1.07 AU

Year: 551 Days

Day: 14.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 90,568,227 km

• M1: 181,761 km (0.075 R)
• M2: 721,810 km (0.068 R)
• M3: 1,536,520 km (0.116 R)
• M4: 3,188,529 km (0.04 R)

Planet 3 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 996.8

Radius: 5.5

Gravity: 32.95 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 9.82 AU - 10.9 AU

Year: 21531 Days

Day: 22.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 90,568,227 km

• M1: 68,965 km (0.107 R)
• M2: 355,893 km (0.114 R)
• M3: 859,589 km (0.073 R)
• M4: 1,045,240 km (0.07 R)
• M5: 1,622,539 km (0.11 R)
• M6: 2,344,797 km (0.034 R)
• M7: 2,870,185 km (0.078 R)
• M8: 3,320,624 km (0.096 R)
• M9: 3,594,089 km (0.076 R)
• M10: 4,186,048 km (0.096 R)
• M11: 7,064,759 km (0.042 R)
• M12: 7,620,964 km (0.107 R)
• M13: 8,043,279 km (0.081 R)
• M14: 10,650,620 km (0.084 R)
• M15: 10,846,594 km (0.082 R)
• M16: 14,082,695 km (0.076 R)
• M17: 17,543,941 km (0.101 R)
• M18: 18,466,810 km (0.077 R)
• M19: 19,421,544 km (0.096 R)
• M20: 22,913,756 km (0.105 R)
• M21: 23,131,421 km (0.089 R)
• M22: 26,086,727 km (0.049 R)
• M23: 28,274,147 km (0.047 R)
• M24: 28,776,198 km (0.054 R)
• M25: 29,669,297 km (0.103 R)
• M26: 31,779,824 km (0.093 R)
• M27: 34,698,777 km (0.105 R)
• M28: 42,685,808 km (0.105 R)
• M29: 46,057,594 km (0.05 R)
• M30: 52,566,747 km (0.114 R)
• M31: 55,450,695 km (0.112 R)
• M32: 57,631,383 km (0.035 R)
• M33: 59,662,772 km (0.054 R)
• M34: 64,732,046 km (0.074 R)
• M35: 66,042,822 km (0.116 R)
• M36: 72,160,328 km (0.113 R)
• M37: 74,757,347 km (0.113 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: 511 - 11,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit