🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.5

Radius: 10.5

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.62 AU

Year: 279 Days

Day: 7.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 11,055,214 km

• M1: 130,749 km (0.038 R)
• M2: 591,660 km (0.067 R)
• M3: 945,010 km (0.047 R)
• M4: 1,308,533 km (0.089 R)
• M5: 1,713,045 km (0.056 R)
• M6: 2,053,530 km (0.102 R)
• M7: 2,641,898 km (0.113 R)
• M8: 3,223,834 km (0.074 R)
• M9: 3,568,059 km (0.106 R)
• M10: 3,936,967 km (0.098 R)
• M11: 4,293,160 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.5

Radius: 13.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.48 AU - 0.78 AU

Year: 333 Days

Day: 12.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,055,214 km

• M1: 170,392 km (0.103 R)
• M2: 603,328 km (0.109 R)
• M3: 1,040,004 km (0.073 R)
• M4: 1,594,713 km (0.075 R)
• M5: 2,157,052 km (0.112 R)
• M6: 3,100,416 km (0.079 R)
• M7: 3,601,120 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.4

Radius: 8.6

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.68 AU - 1.02 AU

Year: 523 Days

Day: 6.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 11,055,214 km

• M1: 106,962 km (0.093 R)
• M2: 542,143 km (0.115 R)
• M3: 984,803 km (0.064 R)
• M4: 1,600,697 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.3

Radius: 8.6

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.89 AU - 1.37 AU

Year: 801 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 11,055,214 km

• M1: 106,962 km (0.103 R)
• M2: 513,121 km (0.1 R)
• M3: 1,046,736 km (0.119 R)
• M4: 1,431,652 km (0.115 R)
• M5: 2,030,791 km (0.099 R)
• M6: 2,319,515 km (0.077 R)
• M7: 2,711,013 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.7

Radius: 8.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.1 AU - 2.96 AU

Year: 2684 Days

Day: 6.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 11,055,214 km

• M1: 109,805 km (0.086 R)
• M2: 451,486 km (0.115 R)
• M3: 931,995 km (0.088 R)
• M4: 1,282,503 km (0.086 R)
• M5: 1,813,874 km (0.076 R)
• M6: 2,115,314 km (0.117 R)
• M7: 2,391,920 km (0.104 R)
• M8: 2,872,578 km (0.114 R)
• M9: 6,390,671 km (0.028 R)
• M10: 6,713,653 km (0.069 R)
• M11: 7,218,247 km (0.056 R)
• M12: 7,568,605 km (0.032 R)
• M13: 8,970,636 km (0.042 R)
• M14: 9,583,240 km (0.082 R)
• M15: 10,348,582 km (0.041 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 155 - 19,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit