🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.45 AU - 0.73 AU

Year: 297 Days

Day: 28.7 Hours

Environment

Temp: -121 °C

Axial Tilt: 36.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,273,707 km

• M1: 14,661 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.3

Radius: 9.2

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.34 AU - 1.34 AU

Year: 1018 Days

Day: 7.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,273,707 km

• M1: 114,891 km (0.116 R)
• M2: 438,621 km (0.092 R)
• M3: 1,072,916 km (0.1 R)
• M4: 1,640,640 km (0.116 R)
• M5: 1,945,670 km (0.068 R)
• M6: 2,520,724 km (0.118 R)
• M7: 3,059,127 km (0.096 R)
• M8: 3,613,387 km (0.075 R)
• M9: 6,177,644 km (0.059 R)
• M10: 6,632,721 km (0.103 R)
• M11: 7,203,586 km (0.119 R)
• M12: 7,708,030 km (0.073 R)
• M13: 8,391,094 km (0.1 R)
• M14: 8,734,122 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398

Radius: 14.2

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.56 AU - 3.78 AU

Year: 4612 Days

Day: 12.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,273,707 km

• M1: 176,675 km (0.059 R)
• M2: 702,512 km (0.083 R)
• M3: 1,367,325 km (0.074 R)
• M4: 2,008,800 km (0.039 R)
• M5: 3,103,707 km (0.086 R)
• M6: 3,704,941 km (0.111 R)
• M7: 4,635,290 km (0.069 R)
• M8: 6,187,667 km (0.078 R)
• M9: 7,240,986 km (0.106 R)
• M10: 7,996,156 km (0.068 R)
• M11: 8,623,270 km (0.045 R)
• M12: 9,208,048 km (0.069 R)
• M13: 9,897,694 km (0.065 R)
• M14: 10,457,490 km (0.104 R)
• M15: 12,220,201 km (0.061 R)
• M16: 18,036,118 km (0.055 R)
• M17: 19,987,173 km (0.1 R)
• M18: 20,432,227 km (0.068 R)
• M19: 22,619,497 km (0.041 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 363.4

Radius: 6.7

Gravity: 8.1 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 5.89 AU - 9.09 AU

Year: 13447 Days

Day: 18.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 47,273,707 km

• M1: 83,326 km (0.109 R)
• M2: 327,619 km (0.115 R)
• M3: 539,300 km (0.081 R)
• M4: 777,311 km (0.078 R)
• M5: 1,222,364 km (0.112 R)
• M6: 2,194,601 km (0.114 R)
• M7: 2,693,210 km (0.063 R)
• M8: 4,528,477 km (0.036 R)
• M9: 12,166,346 km (0.101 R)
• M10: 13,223,255 km (0.069 R)
• M11: 15,317,775 km (0.12 R)
• M12: 18,897,502 km (0.055 R)
• M13: 21,795,662 km (0.078 R)
• M14: 30,414,294 km (0.042 R)
• M15: 31,265,656 km (0.081 R)
• M16: 35,061,702 km (0.054 R)
• M17: 39,907,626 km (0.042 R)
• M18: 41,703,997 km (0.079 R)
• M19: 44,634,619 km (0.058 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit