🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.94 AU - 1.27 AU

Year: 432 Days

Day: 23.6 Hours

Environment

Temp: 6 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.43 AU - 1.53 AU

Year: 675 Days

Day: 20.4 Hours

Environment

Temp: -45 °C

Axial Tilt: 43 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,694,493 km

• M1: 119,828 km (0.054 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.43 AU - 1.67 AU

Year: 723 Days

Day: 29.5 Hours

Environment

Temp: -55 °C

Axial Tilt: 24.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,694,493 km

• M1: 36,651 km (0.099 R)
• M2: 722,109 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.93 AU - 4.41 AU

Year: 2635 Days

Day: 38.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.6

Radius: 14.2

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.35 AU - 4.69 AU

Year: 3601 Days

Day: 6.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,694,493 km

• M1: 176,825 km (0.115 R)
• M2: 1,896,751 km (0.07 R)
• M3: 3,405,446 km (0.118 R)
• M4: 4,038,395 km (0.113 R)
• M5: 5,832,971 km (0.118 R)
• M6: 7,554,692 km (0.081 R)
• M7: 11,720,993 km (0.087 R)
• M8: 12,700,261 km (0.104 R)
• M9: 13,249,734 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.5

Radius: 10.1

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 9.46 AU - 9.56 AU

Year: 10990 Days

Day: 14.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,694,493 km

• M1: 432,039 km (0.051 R)
• M2: 1,083,687 km (0.089 R)
• M3: 1,773,932 km (0.119 R)
• M4: 2,882,751 km (0.113 R)
• M5: 5,035,614 km (0.062 R)
• M6: 5,517,020 km (0.101 R)
• M7: 6,339,509 km (0.086 R)
• M8: 7,432,022 km (0.092 R)
• M9: 10,025,750 km (0.102 R)
• M10: 11,121,854 km (0.109 R)
• M11: 15,828,951 km (0.12 R)
• M12: 20,936,521 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.6

Radius: 4.5

Gravity: 22.05 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 12.9 AU - 14.04 AU

Year: 18526 Days

Day: 18.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,694,493 km

• M1: 56,398 km (0.095 R)
• M2: 196,721 km (0.102 R)
• M3: 427,401 km (0.088 R)
• M4: 828,024 km (0.114 R)
• M5: 1,011,431 km (0.116 R)
• M6: 1,302,698 km (0.107 R)
• M7: 1,798,466 km (0.079 R)
• M8: 2,368,882 km (0.029 R)
• M9: 2,954,109 km (0.113 R)
• M10: 3,857,979 km (0.079 R)
• M11: 4,278,948 km (0.047 R)
• M12: 4,598,040 km (0.093 R)
• M13: 4,864,474 km (0.079 R)
• M14: 6,940,144 km (0.057 R)
• M15: 8,365,064 km (0.095 R)
• M16: 10,251,792 km (0.114 R)
• M17: 10,938,896 km (0.074 R)
• M18: 14,065,042 km (0.062 R)
• M19: 15,644,048 km (0.068 R)
• M20: 16,786,078 km (0.116 R)
• M21: 17,417,381 km (0.097 R)
• M22: 19,664,790 km (0.057 R)
• M23: 20,722,895 km (0.113 R)
• M24: 23,338,315 km (0.077 R)
• M25: 27,552,786 km (0.118 R)
• M26: 33,221,498 km (0.076 R)
• M27: 36,131,327 km (0.049 R)
• M28: 36,522,974 km (0.089 R)
• M29: 39,206,760 km (0.108 R)
• M30: 50,115,287 km (0.071 R)
• M31: 53,253,551 km (0.091 R)
• M32: 58,830,559 km (0.098 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 19,760 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit