🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.58 AU - 0.66 AU

Year: 188 Days

Day: 17.2 Hours

Environment

Temp: 194 °C

Axial Tilt: 28.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.73 AU - 0.93 AU

Year: 291 Days

Day: 15.8 Hours

Environment

Temp: 26 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.09 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.07 AU - 1.63 AU

Year: 604 Days

Day: 36.2 Hours

Environment

Temp: -50 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,153,991 km

• M1: 96,640 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.08

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 1.69 AU - 1.79 AU

Year: 884 Days

Day: 47 Hours

Environment

Temp: -71 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.1

Radius: 13.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 3.3 AU - 5.26 AU

Year: 3409 Days

Day: 7.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 104,153,991 km

• M1: 162,912 km (0.118 R)
• M2: 618,737 km (0.108 R)
• M3: 1,142,030 km (0.088 R)
• M4: 2,982,832 km (0.038 R)
• M5: 3,887,001 km (0.103 R)
• M6: 4,478,362 km (0.095 R)
• M7: 5,152,599 km (0.067 R)
• M8: 5,740,070 km (0.11 R)
• M9: 8,123,912 km (0.045 R)
• M10: 10,366,684 km (0.078 R)
• M11: 11,345,951 km (0.117 R)
• M12: 12,257,750 km (0.12 R)
• M13: 13,397,836 km (0.115 R)
• M14: 17,243,099 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.7

Radius: 14.1

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.45 AU - 8.95 AU

Year: 9040 Days

Day: 9.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 104,153,991 km

• M1: 175,628 km (0.101 R)
• M2: 1,009,486 km (0.094 R)
• M3: 2,454,452 km (0.074 R)
• M4: 3,257,643 km (0.104 R)
• M5: 3,953,573 km (0.108 R)
• M6: 4,620,330 km (0.071 R)
• M7: 7,423,495 km (0.097 R)
• M8: 8,178,964 km (0.079 R)
• M9: 9,104,526 km (0.085 R)
• M10: 9,634,552 km (0.042 R)
• M11: 18,088,028 km (0.119 R)
• M12: 22,918,693 km (0.09 R)
• M13: 23,978,594 km (0.06 R)
• M14: 26,442,022 km (0.035 R)
• M15: 28,461,593 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.6

Radius: 7.6

Gravity: 9.45 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 12.05 AU - 14.37 AU

Year: 18485 Days

Day: 20.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 104,153,991 km

• M1: 94,546 km (0.06 R)
• M2: 961,765 km (0.043 R)
• M3: 1,561,503 km (0.102 R)
• M4: 2,452,807 km (0.114 R)
• M5: 2,911,025 km (0.12 R)
• M6: 4,501,101 km (0.039 R)
• M7: 4,940,320 km (0.1 R)
• M8: 5,482,313 km (0.101 R)
• M9: 8,005,132 km (0.118 R)
• M10: 9,275,966 km (0.107 R)
• M11: 9,709,650 km (0.078 R)
• M12: 10,972,256 km (0.113 R)
• M13: 12,084,067 km (0.088 R)
• M14: 12,799,295 km (0.098 R)
• M15: 14,171,705 km (0.064 R)
• M16: 15,488,316 km (0.116 R)
• M17: 18,110,617 km (0.073 R)
• M18: 20,374,632 km (0.073 R)
• M19: 23,912,322 km (0.114 R)
• M20: 24,522,083 km (0.106 R)
• M21: 26,521,758 km (0.084 R)
• M22: 27,395,260 km (0.101 R)
• M23: 29,315,049 km (0.071 R)
• M24: 29,896,386 km (0.057 R)
• M25: 30,961,972 km (0.032 R)
• M26: 36,538,831 km (0.083 R)
• M27: 37,347,557 km (0.101 R)
• M28: 42,898,536 km (0.047 R)
• M29: 59,590,517 km (0.111 R)
• M30: 66,124,503 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 6.8

Gravity: 19 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 16.59 AU - 18.49 AU

Year: 28282 Days

Day: 24.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 104,153,991 km

• M1: 86,468 km (0.073 R)
• M2: 681,418 km (0.12 R)
• M3: 1,034,619 km (0.103 R)
• M4: 1,505,254 km (0.051 R)
• M5: 3,526,770 km (0.115 R)
• M6: 9,823,045 km (0.066 R)
• M7: 10,683,831 km (0.106 R)
• M8: 13,970,796 km (0.111 R)
• M9: 17,971,940 km (0.036 R)
• M10: 20,600,524 km (0.116 R)
• M11: 24,174,118 km (0.116 R)
• M12: 43,988,805 km (0.105 R)
• M13: 46,676,181 km (0.03 R)
• M14: 47,595,759 km (0.096 R)
• M15: 49,470,969 km (0.099 R)
• M16: 54,779,150 km (0.106 R)
• M17: 58,733,919 km (0.111 R)
• M18: 61,108,337 km (0.106 R)
• M19: 81,651,864 km (0.103 R)
• M20: 92,735,122 km (0.117 R)
• M21: 93,024,444 km (0.074 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: 515 - 19,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit