🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.5 AU - 0.54 AU

Year: 134 Days

Day: 42.9 Hours

Environment

Temp: 254 °C

Axial Tilt: 4.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,510,913 km

• M1: 108,010 km (0.051 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.76 AU - 1.26 AU

Year: 362 Days

Day: 26.2 Hours

Environment

Temp: 132 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,510,913 km

• M1: 26,329 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.54 AU - 2.34 AU

Year: 963 Days

Day: 42.9 Hours

Environment

Temp: -59 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.67 AU - 2.63 AU

Year: 1124 Days

Day: 15.3 Hours

Environment

Temp: -59 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 56,510,913 km

• M1: 89,011 km (0.117 R)
• M2: 1,616,106 km (0.095 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.21

Radius: 1.08

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.76 AU - 2.88 AU

Year: 1688 Days

Day: 32.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,510,913 km

• M1: 620,981 km (0.119 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.32 AU - 3.82 AU

Year: 1917 Days

Day: 13.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 10.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.16 AU - 5.34 AU

Year: 3690 Days

Day: 25.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 37.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,510,913 km

• M1: 1,040,603 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 300.9

Radius: 3

Gravity: 33.43 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 11.11 AU - 14.67 AU

Year: 16496 Days

Day: 21.5 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 56,510,913 km

• M1: 37,399 km (0.047 R)
• M2: 353,949 km (0.091 R)
• M3: 521,648 km (0.051 R)
• M4: 655,837 km (0.106 R)
• M5: 1,060,200 km (0.072 R)
• M6: 1,226,403 km (0.098 R)
• M7: 1,329,027 km (0.083 R)
• M8: 2,052,932 km (0.107 R)
• M9: 2,633,072 km (0.083 R)
• M10: 2,760,978 km (0.098 R)
• M11: 3,670,533 km (0.081 R)
• M12: 3,884,608 km (0.097 R)
• M13: 6,091,177 km (0.083 R)
• M14: 7,691,126 km (0.093 R)
• M15: 9,802,251 km (0.092 R)
• M16: 10,530,493 km (0.046 R)
• M17: 12,152,134 km (0.115 R)
• M18: 12,808,420 km (0.105 R)
• M19: 13,052,863 km (0.119 R)
• M20: 16,304,373 km (0.087 R)
• M21: 16,447,538 km (0.104 R)
• M22: 16,591,451 km (0.073 R)
• M23: 19,169,022 km (0.104 R)
• M24: 20,719,455 km (0.081 R)
• M25: 21,913,994 km (0.096 R)
• M26: 24,626,951 km (0.065 R)
• M27: 27,758,334 km (0.091 R)
• M28: 28,373,480 km (0.091 R)
• M29: 29,313,254 km (0.082 R)
• M30: 29,631,149 km (0.102 R)
• M31: 30,598,449 km (0.051 R)
• M32: 30,707,207 km (0.082 R)
• M33: 33,742,099 km (0.031 R)
• M34: 36,602,410 km (0.119 R)
• M35: 39,491,145 km (0.071 R)
• M36: 42,392,895 km (0.065 R)
• M37: 44,450,913 km (0.115 R)
• M38: 44,590,338 km (0.119 R)
• M39: 45,717,109 km (0.087 R)
• M40: 46,862,580 km (0.104 R)
• M41: 47,297,012 km (0.072 R)
• M42: 47,880,444 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 181.1

Radius: 3.5

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 14.91 AU - 19.01 AU

Year: 24896 Days

Day: 23.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 56,510,913 km

• M1: 43,683 km (0.084 R)
• M2: 481,855 km (0.084 R)
• M3: 628,610 km (0.077 R)
• M4: 785,688 km (0.104 R)
• M5: 936,483 km (0.103 R)
• M6: 1,449,454 km (0.111 R)
• M7: 1,677,441 km (0.101 R)
• M8: 1,981,873 km (0.101 R)
• M9: 2,185,475 km (0.068 R)
• M10: 2,382,496 km (0.05 R)
• M11: 2,656,110 km (0.1 R)
• M12: 3,367,448 km (0.063 R)
• M13: 3,850,500 km (0.106 R)
• M14: 4,755,866 km (0.096 R)
• M15: 5,611,865 km (0.05 R)
• M16: 6,249,451 km (0.066 R)
• M17: 7,229,766 km (0.069 R)
• M18: 8,935,182 km (0.034 R)
• M19: 10,722,577 km (0.091 R)
• M20: 11,581,867 km (0.101 R)
• M21: 14,570,234 km (0.066 R)
• M22: 15,055,231 km (0.119 R)
• M23: 18,755,384 km (0.077 R)
• M24: 19,578,322 km (0.074 R)
• M25: 23,204,874 km (0.026 R)
• M26: 31,063,998 km (0.111 R)
• M27: 32,214,256 km (0.05 R)
• M28: 37,099,374 km (0.117 R)
• M29: 40,390,378 km (0.077 R)
• M30: 40,934,465 km (0.066 R)
• M31: 41,621,269 km (0.107 R)
• M32: 50,786,981 km (0.11 R)
• M33: 51,899,241 km (0.065 R)
• M34: 52,542,063 km (0.044 R)

Kuiper Belt

Range: 30.8 - 48.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 10,898 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit