🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.33

Radius: 0.64

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.68 AU - 0.7 AU

Year: 207 Days

Day: 35 Hours

Environment

Temp: 134 °C

Axial Tilt: 7.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.87 AU - 1.25 AU

Year: 395 Days

Day: 22.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 15.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 91,340,195 km

• M1: 42,336 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.09 AU - 1.17 AU

Year: 434 Days

Day: 28.9 Hours

Environment

Temp: 17 °C

Axial Tilt: 28.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 91,340,195 km

• M1: 54,902 km (0.101 R)
• M2: 237,561 km (0.103 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.06 AU - 1.46 AU

Year: 512 Days

Day: 36 Hours

Environment

Temp: 17 °C

Axial Tilt: 48.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.44 AU - 3.18 AU

Year: 1704 Days

Day: 22.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.52 AU - 3.5 AU

Year: 1889 Days

Day: 44.6 Hours

Environment

Temp: -102 °C

Axial Tilt: 35.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.33 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156.3

Radius: 10.3

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 7.17 AU - 8.11 AU

Year: 7637 Days

Day: 12.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,340,195 km

• M1: 128,205 km (0.12 R)
• M2: 697,575 km (0.077 R)
• M3: 1,254,528 km (0.067 R)
• M4: 1,628,373 km (0.112 R)
• M5: 2,939,897 km (0.116 R)
• M6: 3,814,297 km (0.104 R)
• M7: 5,230,241 km (0.099 R)
• M8: 6,332,029 km (0.073 R)
• M9: 8,265,282 km (0.099 R)
• M10: 9,026,586 km (0.084 R)
• M11: 13,065,579 km (0.098 R)
• M12: 17,639,534 km (0.091 R)
• M13: 18,232,390 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.3

Radius: 6.4

Gravity: 7.21 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 14.41 AU - 15.87 AU

Year: 21305 Days

Day: 24.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 91,340,195 km

• M1: 81,381 km (0.084 R)
• M2: 389,553 km (0.063 R)
• M3: 866,620 km (0.047 R)
• M4: 2,330,585 km (0.043 R)
• M5: 2,559,620 km (0.113 R)
• M6: 4,515,462 km (0.101 R)
• M7: 5,756,676 km (0.096 R)
• M8: 6,536,978 km (0.086 R)
• M9: 7,563,818 km (0.068 R)
• M10: 9,145,516 km (0.074 R)
• M11: 11,226,123 km (0.103 R)
• M12: 11,882,858 km (0.086 R)
• M13: 14,211,499 km (0.093 R)
• M14: 15,628,340 km (0.07 R)
• M15: 17,214,825 km (0.047 R)
• M16: 21,059,341 km (0.115 R)
• M17: 22,895,954 km (0.077 R)
• M18: 28,165,988 km (0.091 R)
• M19: 36,332,685 km (0.113 R)
• M20: 44,606,046 km (0.085 R)
• M21: 49,968,382 km (0.08 R)
• M22: 53,217,348 km (0.032 R)
• M23: 59,773,475 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 708.5

Radius: 4.5

Gravity: 34.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 14.54 AU - 19.92 AU

Year: 25865 Days

Day: 16.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 91,340,195 km

• M1: 66,122 km (0.108 R)
• M2: 209,736 km (0.066 R)
• M3: 429,795 km (0.069 R)
• M4: 643,420 km (0.111 R)
• M5: 865,573 km (0.119 R)
• M6: 1,255,874 km (0.1 R)
• M7: 2,017,178 km (0.048 R)
• M8: 7,063,413 km (0.102 R)
• M9: 8,154,430 km (0.098 R)
• M10: 8,654,536 km (0.101 R)
• M11: 10,151,263 km (0.119 R)
• M12: 10,534,532 km (0.108 R)
• M13: 11,262,326 km (0.103 R)
• M14: 13,800,553 km (0.067 R)
• M15: 14,350,176 km (0.113 R)
• M16: 17,139,727 km (0.096 R)
• M17: 20,877,879 km (0.071 R)
• M18: 21,706,501 km (0.101 R)
• M19: 22,990,201 km (0.092 R)
• M20: 23,539,674 km (0.059 R)
• M21: 23,873,576 km (0.069 R)
• M22: 27,388,079 km (0.103 R)
• M23: 27,634,018 km (0.115 R)
• M24: 32,315,234 km (0.102 R)
• M25: 36,154,065 km (0.099 R)
• M26: 36,449,970 km (0.114 R)
• M27: 44,044,904 km (0.11 R)
• M28: 49,109,241 km (0.036 R)
• M29: 49,472,016 km (0.078 R)
• M30: 60,582,351 km (0.12 R)
• M31: 63,115,790 km (0.119 R)
• M32: 63,759,959 km (0.115 R)
• M33: 66,159,509 km (0.092 R)
• M34: 78,568,203 km (0.093 R)
• M35: 80,314,758 km (0.067 R)

Kuiper Belt

Range: 30.3 - 47.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 203 - 17,342 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit