🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.44 AU - 0.62 AU

Year: 245 Days

Day: 34.4 Hours

Environment

Temp: -123 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.45 AU - 0.67 AU

Year: 266 Days

Day: 16.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.47 AU - 0.65 AU

Year: 266 Days

Day: 31.7 Hours

Environment

Temp: -119 °C

Axial Tilt: 72.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.6

Radius: 10.6

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.7 AU - 0.72 AU

Year: 380 Days

Day: 12.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 154.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 9,757,032 km

• M1: 131,796 km (0.106 R)
• M2: 789,129 km (0.118 R)
• M3: 1,212,192 km (0.066 R)
• M4: 2,273,140 km (0.088 R)
• M5: 2,723,130 km (0.069 R)
• M6: 3,085,157 km (0.117 R)
• M7: 3,714,366 km (0.103 R)
• M8: 4,120,823 km (0.06 R)
• M9: 4,571,561 km (0.117 R)
• M10: 4,946,304 km (0.097 R)
• M11: 5,656,146 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.8

Radius: 8.1

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.77 AU - 0.93 AU

Year: 498 Days

Day: 14.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 9,757,032 km

• M1: 100,829 km (0.101 R)
• M2: 464,651 km (0.108 R)
• M3: 810,521 km (0.073 R)
• M4: 1,101,788 km (0.102 R)
• M5: 1,504,356 km (0.105 R)
• M6: 2,342,104 km (0.032 R)
• M7: 2,945,881 km (0.067 R)
• M8: 3,338,576 km (0.115 R)
• M9: 4,102,871 km (0.101 R)
• M10: 4,416,129 km (0.097 R)
• M11: 5,435,938 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 8.8

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.84 AU - 2.98 AU

Year: 2379 Days

Day: 13.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 9,757,032 km

• M1: 109,506 km (0.036 R)
• M2: 383,120 km (0.074 R)
• M3: 686,205 km (0.05 R)
• M4: 1,024,147 km (0.076 R)
• M5: 1,620,145 km (0.058 R)
• M6: 2,288,548 km (0.12 R)
• M7: 2,686,179 km (0.095 R)
• M8: 3,076,480 km (0.095 R)
• M9: 4,098,682 km (0.078 R)
• M10: 4,635,140 km (0.068 R)
• M11: 5,645,824 km (0.109 R)
• M12: 7,072,389 km (0.038 R)
• M13: 8,485,939 km (0.081 R)
• M14: 9,641,732 km (0.108 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 12,864 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit