🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.87 AU - 0.89 AU

Year: 363 Days

Day: 27.8 Hours

Environment

Temp: -45 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.12 AU - 1.78 AU

Year: 768 Days

Day: 36.5 Hours

Environment

Temp: -87 °C

Axial Tilt: 67.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 98,950,157 km

• M1: 331,658 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 331.6

Radius: 13.6

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.71 AU - 3.17 AU

Year: 2217 Days

Day: 7.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 98,950,157 km

• M1: 169,195 km (0.11 R)
• M2: 690,245 km (0.099 R)
• M3: 1,192,295 km (0.053 R)
• M4: 2,161,988 km (0.079 R)
• M5: 3,305,515 km (0.027 R)
• M6: 3,839,729 km (0.11 R)
• M7: 5,686,514 km (0.095 R)
• M8: 8,124,361 km (0.103 R)
• M9: 9,196,978 km (0.088 R)
• M10: 9,865,082 km (0.104 R)
• M11: 11,550,452 km (0.094 R)
• M12: 13,380,333 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.9

Radius: 14.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.19 AU - 7.45 AU

Year: 7831 Days

Day: 13.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 98,950,157 km

• M1: 184,155 km (0.101 R)
• M2: 791,971 km (0.094 R)
• M3: 1,575,415 km (0.099 R)
• M4: 2,157,351 km (0.109 R)
• M5: 2,714,154 km (0.109 R)
• M6: 4,451,434 km (0.072 R)
• M7: 5,104,130 km (0.075 R)
• M8: 9,638,740 km (0.062 R)
• M9: 10,177,143 km (0.106 R)
• M10: 13,954,789 km (0.119 R)
• M11: 19,988,669 km (0.098 R)
• M12: 21,315,153 km (0.112 R)
• M13: 27,301,611 km (0.089 R)
• M14: 32,292,047 km (0.096 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 733.1

Radius: 5.1

Gravity: 28.19 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 13.33 AU - 19.07 AU

Year: 28671 Days

Day: 15 Hours

Environment

Temp: -205 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 98,950,157 km

• M1: 67,319 km (0.118 R)
• M2: 915,389 km (0.084 R)
• M3: 1,590,076 km (0.05 R)
• M4: 1,966,913 km (0.095 R)
• M5: 2,680,345 km (0.113 R)
• M6: 3,984,390 km (0.069 R)
• M7: 5,575,662 km (0.069 R)
• M8: 12,798,846 km (0.111 R)
• M9: 16,605,663 km (0.071 R)
• M10: 17,898,787 km (0.104 R)
• M11: 18,960,932 km (0.066 R)
• M12: 21,852,958 km (0.103 R)
• M13: 22,730,349 km (0.06 R)
• M14: 22,953,250 km (0.074 R)
• M15: 23,403,540 km (0.116 R)
• M16: 26,229,743 km (0.092 R)
• M17: 32,548,607 km (0.116 R)
• M18: 33,547,323 km (0.098 R)
• M19: 37,746,984 km (0.08 R)
• M20: 43,815,870 km (0.084 R)
• M21: 52,615,815 km (0.117 R)
• M22: 54,586,468 km (0.084 R)
• M23: 70,010,756 km (0.109 R)
• M24: 71,672,340 km (0.115 R)
• M25: 81,674,005 km (0.07 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 12,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit