🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.12

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.63 AU - 1.05 AU

Year: 295 Days

Day: 39.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 29.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 67,026,116 km

• M1: 488,287 km (0.109 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.67 AU - 1.09 AU

Year: 316 Days

Day: 44.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Asteroid Belt

Center: 6.11 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 11.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.5

Radius: 13.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 9.56 AU - 13.12 AU

Year: 14621 Days

Day: 12.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,026,116 km

• M1: 172,038 km (0.03 R)
• M2: 613,501 km (0.094 R)
• M3: 1,799,662 km (0.11 R)
• M4: 3,113,132 km (0.116 R)
• M5: 3,602,466 km (0.107 R)
• M6: 4,086,715 km (0.051 R)
• M7: 4,706,947 km (0.109 R)
• M8: 6,752,549 km (0.079 R)
• M9: 11,237,194 km (0.077 R)
• M10: 21,025,233 km (0.103 R)
• M11: 28,135,769 km (0.101 R)
• M12: 29,620,229 km (0.064 R)
• M13: 35,349,827 km (0.044 R)
• M14: 38,217,618 km (0.112 R)
• M15: 41,237,102 km (0.094 R)
• M16: 51,090,066 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 570.9

Radius: 3.5

Gravity: 46.6 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 11.76 AU - 14.4 AU

Year: 18113 Days

Day: 21.6 Hours

Environment

Temp: -184 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,026,116 km

• M1: 43,533 km (0.096 R)
• M2: 563,535 km (0.101 R)
• M3: 935,136 km (0.072 R)
• M4: 1,065,137 km (0.12 R)
• M5: 1,361,939 km (0.113 R)
• M6: 1,677,142 km (0.118 R)
• M7: 2,097,512 km (0.115 R)
• M8: 5,113,255 km (0.107 R)
• M9: 7,972,370 km (0.094 R)
• M10: 10,015,727 km (0.111 R)
• M11: 12,124,608 km (0.076 R)
• M12: 14,224,364 km (0.109 R)
• M13: 16,872,246 km (0.111 R)
• M14: 23,414,610 km (0.091 R)
• M15: 24,322,519 km (0.096 R)
• M16: 33,068,609 km (0.089 R)
• M17: 33,826,771 km (0.041 R)
• M18: 35,377,802 km (0.069 R)
• M19: 35,509,149 km (0.087 R)
• M20: 41,179,207 km (0.083 R)
• M21: 44,762,974 km (0.05 R)
• M22: 56,212,597 km (0.051 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: 166 - 13,467 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit