🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.81 AU - 1.01 AU

Year: 327 Days

Day: 21.8 Hours

Environment

Temp: 15 °C

Axial Tilt: 37.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.84 AU - 1.18 AU

Year: 382 Days

Day: 34.6 Hours

Environment

Temp: 19 °C

Axial Tilt: 39.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 59,514,257 km

• M1: 304,880 km (0.037 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.34 AU - 1.6 AU

Year: 671 Days

Day: 43.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 19.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,514,257 km

• M1: 21,392 km (0.109 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.55 AU - 2.37 AU

Year: 1034 Days

Day: 25.7 Hours

Environment

Temp: -83 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Ice Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.3

Radius: 4.4

Gravity: 27.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 11.41 AU - 12.61 AU

Year: 15680 Days

Day: 22.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 59,514,257 km

• M1: 54,753 km (0.111 R)
• M2: 302,786 km (0.105 R)
• M3: 516,262 km (0.075 R)
• M4: 961,615 km (0.037 R)
• M5: 1,402,330 km (0.078 R)
• M6: 2,133,714 km (0.09 R)
• M7: 2,648,032 km (0.062 R)
• M8: 2,969,967 km (0.115 R)
• M9: 3,140,359 km (0.104 R)
• M10: 3,609,049 km (0.091 R)
• M11: 4,212,975 km (0.107 R)
• M12: 4,366,163 km (0.112 R)
• M13: 6,964,828 km (0.115 R)
• M14: 7,849,699 km (0.027 R)
• M15: 8,176,421 km (0.064 R)
• M16: 10,722,128 km (0.108 R)
• M17: 11,417,609 km (0.036 R)
• M18: 11,958,555 km (0.092 R)
• M19: 14,993,297 km (0.097 R)
• M20: 16,917,126 km (0.108 R)
• M21: 18,504,359 km (0.079 R)
• M22: 20,712,723 km (0.109 R)
• M23: 21,335,948 km (0.119 R)
• M24: 24,345,109 km (0.112 R)
• M25: 26,053,068 km (0.091 R)
• M26: 27,412,015 km (0.081 R)
• M27: 28,927,591 km (0.04 R)
• M28: 31,420,490 km (0.102 R)
• M29: 36,313,088 km (0.111 R)
• M30: 39,615,461 km (0.106 R)
• M31: 40,436,753 km (0.118 R)
• M32: 42,539,501 km (0.097 R)
• M33: 47,114,204 km (0.076 R)
• M34: 47,573,469 km (0.1 R)
• M35: 51,194,935 km (0.11 R)
• M36: 52,332,626 km (0.045 R)
• M37: 54,321,829 km (0.092 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 314 - 13,107 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit