🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.39 AU - 0.63 AU

Year: 139 Days

Day: 13.9 Hours

Environment

Temp: 172 °C

Axial Tilt: 36.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.96 AU - 1.34 AU

Year: 472 Days

Day: 44.8 Hours

Environment

Temp: -14 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.48

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.28 AU - 1.9 AU

Year: 768 Days

Day: 46.4 Hours

Environment

Temp: -62 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.5 AU - 1.94 AU

Year: 864 Days

Day: 25.2 Hours

Environment

Temp: -66 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.85 AU - 2.45 AU

Year: 1207 Days

Day: 24.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 78,032,468 km

• M1: 380,876 km (0.086 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.75 AU - 2.55 AU

Year: 1207 Days

Day: 37.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 18.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 4.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295

Radius: 14.4

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 3.82 AU - 5.48 AU

Year: 3839 Days

Day: 12.4 Hours

Environment

Temp: -148 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,032,468 km

• M1: 182,061 km (0.083 R)
• M2: 1,409,661 km (0.116 R)
• M3: 1,975,141 km (0.096 R)
• M4: 2,691,714 km (0.097 R)
• M5: 3,452,420 km (0.047 R)
• M6: 5,799,909 km (0.109 R)
• M7: 6,816,427 km (0.111 R)
• M8: 8,962,109 km (0.105 R)
• M9: 9,696,635 km (0.063 R)
• M10: 11,206,676 km (0.109 R)
• M11: 14,642,191 km (0.118 R)
• M12: 15,268,108 km (0.075 R)
• M13: 17,042,638 km (0.096 R)
• M14: 17,627,715 km (0.067 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.7

Radius: 11.4

Gravity: 5.08 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 4.65 AU - 5.57 AU

Year: 4423 Days

Day: 6.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 78,032,468 km

• M1: 158,574 km (0.077 R)
• M2: 524,341 km (0.076 R)
• M3: 1,071,570 km (0.088 R)
• M4: 1,641,837 km (0.08 R)
• M5: 2,225,418 km (0.096 R)
• M6: 2,733,751 km (0.095 R)
• M7: 3,127,343 km (0.099 R)
• M8: 4,327,717 km (0.113 R)
• M9: 4,689,893 km (0.1 R)
• M10: 5,151,103 km (0.114 R)
• M11: 5,642,682 km (0.105 R)
• M12: 6,225,366 km (0.12 R)
• M13: 6,815,679 km (0.047 R)
• M14: 7,443,092 km (0.106 R)
• M15: 7,965,189 km (0.113 R)
• M16: 10,732,450 km (0.079 R)
• M17: 11,674,319 km (0.078 R)
• M18: 12,284,379 km (0.103 R)
• M19: 12,965,199 km (0.094 R)
• M20: 14,885,736 km (0.106 R)
• M21: 15,715,855 km (0.111 R)
• M22: 16,228,676 km (0.048 R)
• M23: 18,080,847 km (0.11 R)
• M24: 19,739,589 km (0.108 R)
• M25: 20,877,729 km (0.101 R)
• M26: 22,200,922 km (0.059 R)
• M27: 23,138,003 km (0.108 R)
• M28: 26,746,603 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.1

Radius: 7.2

Gravity: 9.86 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 13.67 AU - 17.93 AU

Year: 24047 Days

Day: 24.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 78,032,468 km

• M1: 89,609 km (0.105 R)
• M2: 352,602 km (0.117 R)
• M3: 1,381,985 km (0.111 R)
• M4: 1,856,061 km (0.1 R)
• M5: 2,479,585 km (0.111 R)
• M6: 3,635,827 km (0.086 R)
• M7: 3,973,918 km (0.097 R)
• M8: 7,626,799 km (0.068 R)
• M9: 12,916,280 km (0.084 R)
• M10: 14,907,278 km (0.072 R)
• M11: 16,097,329 km (0.114 R)
• M12: 17,607,669 km (0.107 R)
• M13: 18,397,247 km (0.1 R)
• M14: 19,486,319 km (0.068 R)
• M15: 23,742,379 km (0.068 R)
• M16: 24,705,640 km (0.074 R)
• M17: 25,917,831 km (0.043 R)
• M18: 31,164,528 km (0.078 R)
• M19: 34,575,509 km (0.045 R)
• M20: 38,957,978 km (0.083 R)
• M21: 39,549,039 km (0.102 R)
• M22: 47,451,248 km (0.081 R)
• M23: 48,125,336 km (0.055 R)
• M24: 48,464,923 km (0.066 R)
• M25: 51,415,143 km (0.059 R)
• M26: 52,305,250 km (0.083 R)
• M27: 60,191,002 km (0.032 R)
• M28: 70,349,595 km (0.039 R)
• M29: 76,869,220 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,583 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit