🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.96 AU - 1.34 AU

Year: 568 Days

Day: 40.6 Hours

Environment

Temp: -97 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,448,884 km

• M1: 484,398 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.2 AU - 1.74 AU

Year: 820 Days

Day: 43.3 Hours

Environment

Temp: -112 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.6

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.74 AU - 1.9 AU

Year: 1130 Days

Day: 28.5 Hours

Environment

Temp: -123 °C

Axial Tilt: 31.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 270.4

Radius: 14.8

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.13 AU - 2.47 AU

Year: 1605 Days

Day: 11.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 79,448,884 km

• M1: 184,005 km (0.091 R)
• M2: 752,627 km (0.115 R)
• M3: 1,826,291 km (0.078 R)
• M4: 2,322,058 km (0.052 R)
• M5: 2,972,659 km (0.086 R)
• M6: 4,055,449 km (0.114 R)
• M7: 4,697,523 km (0.082 R)
• M8: 5,485,754 km (0.098 R)
• M9: 6,448,865 km (0.094 R)
• M10: 7,278,984 km (0.106 R)
• M11: 8,257,802 km (0.084 R)
• M12: 9,523,101 km (0.068 R)
• M13: 10,202,575 km (0.046 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.2

Radius: 7.8

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 13.97 AU - 15.81 AU

Year: 26440 Days

Day: 19.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 79,448,884 km

• M1: 97,239 km (0.066 R)
• M2: 460,013 km (0.119 R)
• M3: 5,686,963 km (0.034 R)
• M4: 8,817,897 km (0.118 R)
• M5: 10,316,568 km (0.119 R)
• M6: 12,522,838 km (0.117 R)
• M7: 13,662,474 km (0.034 R)
• M8: 18,554,923 km (0.119 R)
• M9: 21,989,690 km (0.087 R)
• M10: 22,395,848 km (0.085 R)
• M11: 23,856,372 km (0.077 R)
• M12: 26,051,572 km (0.104 R)
• M13: 35,483,418 km (0.09 R)
• M14: 39,072,121 km (0.105 R)
• M15: 55,473,882 km (0.073 R)
• M16: 61,284,862 km (0.119 R)
• M17: 74,326,056 km (0.09 R)
• M18: 75,470,331 km (0.099 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 16,718 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit