🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.44 AU - 0.7 AU

Year: 282 Days

Day: 18.9 Hours

Environment

Temp: -115 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.66 AU - 0.68 AU

Year: 360 Days

Day: 36.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 945.1

Radius: 12.1

Gravity: 6.46 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.97 AU - 1.15 AU

Year: 716 Days

Day: 5.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 98.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 7,766,514 km

• M1: 150,495 km (0.103 R)
• M2: 572,661 km (0.119 R)
• M3: 986,149 km (0.12 R)
• M4: 1,536,370 km (0.064 R)
• M5: 2,037,673 km (0.083 R)
• M6: 2,601,507 km (0.065 R)
• M7: 3,254,651 km (0.12 R)
• M8: 3,729,325 km (0.077 R)
• M9: 4,282,089 km (0.11 R)
• M10: 4,749,433 km (0.116 R)
• M11: 6,130,521 km (0.041 R)
• M12: 8,564,328 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.6

Radius: 14.3

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.57 AU - 2.49 AU

Year: 1897 Days

Day: 12.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 7,766,514 km

• M1: 177,872 km (0.036 R)
• M2: 743,950 km (0.111 R)
• M3: 1,319,752 km (0.086 R)
• M4: 2,009,548 km (0.081 R)
• M5: 2,597,019 km (0.116 R)
• M6: 3,459,750 km (0.094 R)
• M7: 4,526,233 km (0.098 R)
• M8: 5,278,561 km (0.061 R)
• M9: 6,235,538 km (0.093 R)
• M10: 7,443,840 km (0.064 R)
• M11: 8,586,170 km (0.085 R)
• M12: 9,775,024 km (0.034 R)
• M13: 10,426,822 km (0.101 R)
• M14: 11,741,338 km (0.106 R)
• M15: 12,478,407 km (0.051 R)
• M16: 15,100,259 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.4

Radius: 11.7

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.05 AU - 3.35 AU

Year: 2910 Days

Day: 14.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 7,766,514 km

• M1: 145,708 km (0.083 R)
• M2: 1,053,169 km (0.11 R)
• M3: 1,866,832 km (0.088 R)
• M4: 3,776,000 km (0.114 R)
• M5: 4,925,510 km (0.093 R)
• M6: 6,720,984 km (0.078 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 14,558 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit