🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.55 AU - 0.87 AU

Year: 210 Days

Day: 20.7 Hours

Environment

Temp: 196 °C

Axial Tilt: 42.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 0.67 AU - 0.81 AU

Year: 224 Days

Day: 12 Hours

Environment

Temp: 218 °C

Axial Tilt: 11.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.85 AU - 0.85 AU

Year: 275 Days

Day: 44.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 1.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1 AU - 1.42 AU

Year: 468 Days

Day: 20.2 Hours

Environment

Temp: 33 °C

Axial Tilt: 33.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 57,628,658 km

• M1: 82,877 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.8

Radius: 8.3

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 6.09 AU - 6.11 AU

Year: 5295 Days

Day: 10.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 57,628,658 km

• M1: 104,120 km (0.064 R)
• M2: 372,648 km (0.118 R)
• M3: 831,465 km (0.109 R)
• M4: 1,203,365 km (0.093 R)
• M5: 1,792,332 km (0.111 R)
• M6: 2,145,832 km (0.056 R)
• M7: 2,514,142 km (0.071 R)
• M8: 3,046,860 km (0.052 R)
• M9: 3,612,789 km (0.05 R)
• M10: 4,006,231 km (0.113 R)
• M11: 4,450,985 km (0.106 R)
• M12: 4,805,832 km (0.116 R)
• M13: 5,599,448 km (0.105 R)
• M14: 5,873,362 km (0.04 R)
• M15: 6,213,847 km (0.071 R)
• M16: 6,779,776 km (0.098 R)
• M17: 7,059,673 km (0.118 R)
• M18: 7,676,016 km (0.093 R)
• M19: 8,362,970 km (0.08 R)
• M20: 9,015,665 km (0.071 R)
• M21: 9,898,742 km (0.078 R)
• M22: 11,970,223 km (0.091 R)
• M23: 12,988,237 km (0.098 R)
• M24: 13,372,404 km (0.031 R)
• M25: 14,570,384 km (0.037 R)
• M26: 15,947,283 km (0.087 R)
• M27: 17,699,971 km (0.116 R)
• M28: 22,395,998 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.9

Radius: 10.2

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 6.32 AU - 8.82 AU

Year: 7320 Days

Day: 9.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 57,628,658 km

• M1: 129,253 km (0.08 R)
• M2: 799,750 km (0.11 R)
• M3: 1,990,699 km (0.054 R)
• M4: 3,228,920 km (0.114 R)
• M5: 4,975,326 km (0.065 R)
• M6: 6,209,209 km (0.12 R)
• M7: 7,000,283 km (0.098 R)
• M8: 7,600,170 km (0.051 R)
• M9: 8,822,235 km (0.104 R)
• M10: 10,303,853 km (0.118 R)
• M11: 15,094,724 km (0.08 R)
• M12: 17,584,631 km (0.05 R)
• M13: 20,266,024 km (0.063 R)
• M14: 21,265,637 km (0.069 R)
• M15: 22,978,831 km (0.074 R)

Asteroid Belt

Center: 8.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140

Radius: 11.2

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 7.64 AU - 9.48 AU

Year: 8802 Days

Day: 11.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 57,628,658 km

• M1: 139,276 km (0.12 R)
• M2: 547,229 km (0.094 R)
• M3: 1,144,125 km (0.12 R)
• M4: 2,050,239 km (0.107 R)
• M5: 2,427,525 km (0.12 R)
• M6: 3,081,866 km (0.077 R)
• M7: 4,268,775 km (0.068 R)
• M8: 4,644,715 km (0.107 R)
• M9: 6,346,091 km (0.088 R)
• M10: 7,827,559 km (0.081 R)
• M11: 8,649,300 km (0.111 R)
• M12: 9,726,405 km (0.037 R)
• M13: 15,263,620 km (0.114 R)
• M14: 15,701,493 km (0.074 R)
• M15: 20,289,510 km (0.078 R)
• M16: 21,562,439 km (0.067 R)
• M17: 23,534,438 km (0.081 R)
• M18: 24,045,614 km (0.04 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 5.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 17.71 AU - 20.05 AU

Year: 28832 Days

Day: 21.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 57,628,658 km

• M1: 122,670 km (0.05 R)
• M2: 581,487 km (0.116 R)
• M3: 859,141 km (0.107 R)
• M4: 1,063,491 km (0.097 R)
• M5: 1,633,310 km (0.108 R)
• M6: 2,286,304 km (0.116 R)
• M7: 5,414,695 km (0.114 R)
• M8: 5,630,116 km (0.118 R)
• M9: 6,794,586 km (0.092 R)
• M10: 8,110,897 km (0.086 R)
• M11: 10,281,562 km (0.12 R)
• M12: 12,373,539 km (0.098 R)
• M13: 13,519,010 km (0.114 R)
• M14: 17,222,305 km (0.119 R)
• M15: 18,323,944 km (0.104 R)
• M16: 19,221,830 km (0.089 R)
• M17: 19,639,508 km (0.109 R)
• M18: 33,456,666 km (0.102 R)
• M19: 42,590,514 km (0.093 R)
• M20: 42,873,403 km (0.102 R)
• M21: 44,451,661 km (0.077 R)
• M22: 48,489,158 km (0.106 R)
• M23: 56,598,709 km (0.079 R)

Kuiper Belt

Range: 31.2 - 46.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 269 - 15,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit