🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.59 AU - 0.81 AU

Year: 209 Days

Day: 27.4 Hours

Environment

Temp: 183 °C

Axial Tilt: 6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.94 AU - 1.08 AU

Year: 362 Days

Day: 31.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 4.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 2.36 AU - 2.66 AU

Year: 1417 Days

Day: 29.5 Hours

Environment

Temp: -90 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.97 AU - 3.15 AU

Year: 1460 Days

Day: 46.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.53 AU - 2.81 AU

Year: 1555 Days

Day: 43.8 Hours

Environment

Temp: -80 °C

Axial Tilt: 1.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27

Radius: 10

Gravity: 0.27 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.25 AU - 14.59 AU

Year: 14669 Days

Day: 12.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 98,852,422 km

• M1: 124,316 km (0.118 R)
• M2: 706,700 km (0.086 R)
• M3: 2,368,134 km (0.115 R)
• M4: 3,276,642 km (0.085 R)
• M5: 11,583,513 km (0.052 R)
• M6: 13,164,014 km (0.099 R)
• M7: 17,237,415 km (0.082 R)
• M8: 19,350,485 km (0.116 R)
• M9: 20,315,540 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.6

Radius: 4.6

Gravity: 40.77 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 15.44 AU - 17.24 AU

Year: 23544 Days

Day: 24.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 98,852,422 km

• M1: 72,405 km (0.114 R)
• M2: 249,230 km (0.113 R)
• M3: 491,279 km (0.094 R)
• M4: 746,493 km (0.084 R)
• M5: 1,260,512 km (0.114 R)
• M6: 1,436,738 km (0.119 R)
• M7: 2,110,228 km (0.104 R)
• M8: 2,758,286 km (0.11 R)
• M9: 3,347,252 km (0.111 R)
• M10: 4,084,171 km (0.108 R)
• M11: 6,049,139 km (0.073 R)
• M12: 6,553,284 km (0.086 R)
• M13: 6,791,444 km (0.099 R)
• M14: 7,489,318 km (0.076 R)
• M15: 8,455,272 km (0.11 R)
• M16: 9,501,559 km (0.106 R)
• M17: 10,631,173 km (0.083 R)
• M18: 15,455,405 km (0.066 R)
• M19: 17,100,682 km (0.12 R)
• M20: 18,859,355 km (0.105 R)
• M21: 23,167,325 km (0.062 R)
• M22: 23,387,383 km (0.077 R)
• M23: 27,468,413 km (0.106 R)
• M24: 29,482,599 km (0.092 R)
• M25: 30,393,949 km (0.098 R)
• M26: 31,863,748 km (0.062 R)
• M27: 33,520,544 km (0.101 R)
• M28: 35,088,929 km (0.074 R)
• M29: 37,154,875 km (0.106 R)
• M30: 37,911,840 km (0.048 R)
• M31: 39,613,516 km (0.077 R)
• M32: 44,511,949 km (0.046 R)
• M33: 47,459,326 km (0.07 R)
• M34: 49,799,037 km (0.112 R)
• M35: 49,982,145 km (0.078 R)
• M36: 51,090,066 km (0.064 R)
• M37: 52,403,386 km (0.088 R)
• M38: 62,020,435 km (0.09 R)
• M39: 67,689,895 km (0.102 R)
• M40: 75,611,551 km (0.094 R)
• M41: 76,338,746 km (0.041 R)
• M42: 77,070,729 km (0.079 R)
• M43: 89,967,561 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.6

Radius: 3.7

Gravity: 42.41 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 18.23 AU - 22.01 AU

Year: 32169 Days

Day: 21.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 98,852,422 km

• M1: 47,722 km (0.088 R)
• M2: 163,660 km (0.078 R)
• M3: 1,041,800 km (0.092 R)
• M4: 1,703,770 km (0.047 R)
• M5: 3,046,860 km (0.095 R)
• M6: 3,253,454 km (0.118 R)
• M7: 3,437,909 km (0.11 R)
• M8: 4,970,090 km (0.078 R)
• M9: 8,405,456 km (0.061 R)
• M10: 13,699,874 km (0.117 R)
• M11: 14,180,831 km (0.058 R)
• M12: 20,649,892 km (0.114 R)
• M13: 33,215,514 km (0.062 R)
• M14: 34,520,905 km (0.045 R)
• M15: 50,634,840 km (0.11 R)
• M16: 78,246,717 km (0.093 R)
• M17: 80,810,376 km (0.101 R)
• M18: 81,329,780 km (0.097 R)
• M19: 91,625,704 km (0.106 R)
• M20: 92,473,625 km (0.108 R)
• M21: 96,208,635 km (0.115 R)

Kuiper Belt

Range: 30.8 - 58.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 14,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit