🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.12 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.96 AU - 2.52 AU

Year: 1207 Days

Day: 15.9 Hours

Environment

Temp: -62 °C

Axial Tilt: 5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 20,764,109 km

• M1: 50,714 km (0.12 R)
• M2: 78,988 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 2.79 AU - 3.11 AU

Year: 1823 Days

Day: 20.1 Hours

Environment

Temp: -97 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 9.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 12.6

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.02 AU - 11.08 AU

Year: 9798 Days

Day: 14 Hours

Environment

Temp: -172 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 20,764,109 km

• M1: 162,463 km (0.116 R)
• M2: 686,355 km (0.11 R)
• M3: 1,412,054 km (0.069 R)
• M4: 2,322,208 km (0.026 R)
• M5: 2,833,683 km (0.066 R)
• M6: 4,140,869 km (0.062 R)
• M7: 4,626,613 km (0.098 R)
• M8: 5,182,070 km (0.114 R)
• M9: 8,702,707 km (0.097 R)
• M10: 10,507,605 km (0.085 R)
• M11: 14,135,952 km (0.084 R)
• M12: 14,976,991 km (0.08 R)
• M13: 25,785,138 km (0.106 R)
• M14: 31,375,760 km (0.066 R)
• M15: 33,935,828 km (0.083 R)
• M16: 36,994,207 km (0.098 R)
• M17: 37,971,081 km (0.084 R)
• M18: 39,848,834 km (0.057 R)
• M19: 46,555,755 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 11.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128

Radius: 8.9

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.53 AU - 13.37 AU

Year: 14867 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 20,764,109 km

• M1: 116,986 km (0.04 R)
• M2: 435,629 km (0.03 R)
• M3: 1,662,780 km (0.093 R)
• M4: 2,221,528 km (0.066 R)
• M5: 2,635,765 km (0.082 R)
• M6: 3,353,386 km (0.103 R)
• M7: 3,852,594 km (0.087 R)
• M8: 4,585,624 km (0.066 R)
• M9: 5,683,074 km (0.12 R)
• M10: 6,700,937 km (0.076 R)
• M11: 7,456,407 km (0.114 R)
• M12: 9,222,260 km (0.029 R)
• M13: 9,615,254 km (0.1 R)
• M14: 12,579,984 km (0.092 R)
• M15: 16,167,491 km (0.093 R)
• M16: 18,194,243 km (0.106 R)
• M17: 18,674,302 km (0.058 R)
• M18: 23,382,596 km (0.087 R)
• M19: 25,197,368 km (0.057 R)
• M20: 25,966,151 km (0.087 R)
• M21: 27,640,451 km (0.119 R)
• M22: 31,594,472 km (0.097 R)
• M23: 35,589,633 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 19.3

Radius: 3.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 12.9 AU - 13.22 AU

Year: 16986 Days

Day: 22.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 20,764,109 km

• M1: 40,990 km (0.09 R)
• M2: 189,989 km (0.054 R)
• M3: 968,197 km (0.11 R)
• M4: 1,469,350 km (0.112 R)
• M5: 7,905,499 km (0.088 R)
• M6: 8,438,517 km (0.119 R)
• M7: 10,375,211 km (0.109 R)
• M8: 17,473,929 km (0.04 R)
• M9: 20,764,035 km (0.107 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 14,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit