🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.84 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.59 AU - 1.75 AU

Year: 784 Days

Day: 18.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.8 AU - 2.9 AU

Year: 1309 Days

Day: 39.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,824,738 km

• M1: 15,409 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.87 AU - 2.87 AU

Year: 1326 Days

Day: 38.7 Hours

Environment

Temp: -82 °C

Axial Tilt: 14.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.5

Radius: 11

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.3 AU - 6.34 AU

Year: 4460 Days

Day: 13.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,824,738 km

• M1: 138,976 km (0.093 R)
• M2: 597,494 km (0.063 R)
• M3: 1,805,945 km (0.104 R)
• M4: 2,377,858 km (0.061 R)
• M5: 3,382,408 km (0.039 R)
• M6: 3,927,991 km (0.059 R)
• M7: 4,625,865 km (0.066 R)
• M8: 8,701,659 km (0.098 R)
• M9: 10,919,149 km (0.045 R)
• M10: 12,158,717 km (0.117 R)
• M11: 12,955,774 km (0.077 R)
• M12: 15,074,229 km (0.086 R)
• M13: 15,448,523 km (0.109 R)
• M14: 16,271,611 km (0.111 R)
• M15: 18,670,562 km (0.066 R)
• M16: 21,972,337 km (0.092 R)
• M17: 23,724,876 km (0.088 R)
• M18: 24,894,282 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 9.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.94 AU - 9.22 AU

Year: 9944 Days

Day: 13.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,824,738 km

• M1: 143,165 km (0.098 R)
• M2: 500,554 km (0.097 R)
• M3: 809,175 km (0.081 R)
• M4: 1,121,236 km (0.069 R)
• M5: 1,863,391 km (0.118 R)
• M6: 2,180,090 km (0.118 R)
• M7: 3,006,618 km (0.066 R)
• M8: 3,681,155 km (0.079 R)
• M9: 4,398,626 km (0.091 R)
• M10: 5,115,499 km (0.106 R)
• M11: 6,927,728 km (0.086 R)
• M12: 7,937,813 km (0.085 R)
• M13: 14,321,303 km (0.112 R)
• M14: 17,291,270 km (0.054 R)
• M15: 18,270,986 km (0.071 R)
• M16: 26,100,191 km (0.072 R)
• M17: 27,482,026 km (0.041 R)
• M18: 31,919,398 km (0.116 R)
• M19: 38,080,138 km (0.107 R)
• M20: 38,665,963 km (0.079 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 18,556 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit