🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.95

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.48 AU - 0.72 AU

Year: 165 Days

Day: 39.7 Hours

Environment

Temp: 220 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.38 AU - 1.72 AU

Year: 685 Days

Day: 20.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 38.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,054,141 km

• M1: 629,807 km (0.091 R)

Asteroid Belt

Center: 3.73 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 11.4

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.6 AU - 6.22 AU

Year: 5097 Days

Day: 12.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,054,141 km

• M1: 141,968 km (0.097 R)
• M2: 725,550 km (0.098 R)
• M3: 1,084,585 km (0.095 R)
• M4: 1,773,184 km (0.102 R)
• M5: 2,658,354 km (0.062 R)
• M6: 3,175,364 km (0.092 R)
• M7: 3,875,632 km (0.103 R)
• M8: 6,107,034 km (0.069 R)
• M9: 12,877,385 km (0.104 R)
• M10: 13,980,220 km (0.095 R)
• M11: 15,751,160 km (0.106 R)
• M12: 16,164,200 km (0.038 R)
• M13: 16,743,891 km (0.032 R)
• M14: 17,777,762 km (0.089 R)
• M15: 18,796,075 km (0.077 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 594

Radius: 8

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 10.62 AU - 16.96 AU

Year: 18167 Days

Day: 18.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,054,141 km

• M1: 99,483 km (0.114 R)
• M2: 482,752 km (0.091 R)
• M3: 803,490 km (0.093 R)
• M4: 1,123,480 km (0.051 R)
• M5: 1,879,697 km (0.103 R)
• M6: 3,063,316 km (0.089 R)
• M7: 3,857,830 km (0.087 R)
• M8: 5,352,911 km (0.072 R)
• M9: 6,209,658 km (0.096 R)
• M10: 6,585,298 km (0.088 R)
• M11: 7,474,658 km (0.111 R)
• M12: 7,804,222 km (0.087 R)
• M13: 8,644,962 km (0.067 R)
• M14: 11,160,600 km (0.098 R)
• M15: 14,198,334 km (0.069 R)
• M16: 14,998,982 km (0.056 R)
• M17: 18,847,836 km (0.115 R)
• M18: 20,721,250 km (0.09 R)
• M19: 21,278,652 km (0.114 R)
• M20: 23,109,580 km (0.075 R)
• M21: 24,627,250 km (0.099 R)
• M22: 25,995,472 km (0.08 R)
• M23: 33,350,003 km (0.062 R)
• M24: 35,285,201 km (0.113 R)
• M25: 36,616,173 km (0.116 R)
• M26: 39,377,900 km (0.063 R)
• M27: 39,661,537 km (0.088 R)
• M28: 43,624,684 km (0.118 R)
• M29: 47,042,995 km (0.083 R)
• M30: 50,468,637 km (0.062 R)
• M31: 51,477,076 km (0.06 R)
• M32: 67,241,999 km (0.071 R)

Kuiper Belt

Range: 30.9 - 55.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 18,350 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit