🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.48 AU - 0.52 AU

Year: 130 Days

Day: 25 Hours

Environment

Temp: 190 °C

Axial Tilt: 28.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,852,176 km

• M1: 138,976 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.02

Radius: 1.01

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.61 AU - 0.63 AU

Year: 179 Days

Day: 43.4 Hours

Environment

Temp: 138 °C

Axial Tilt: 5.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,852,176 km

• M1: 26,180 km (0.073 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.62 AU - 0.84 AU

Year: 229 Days

Day: 18.3 Hours

Environment

Temp: 129 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.85 AU - 1.11 AU

Year: 356 Days

Day: 46.2 Hours

Environment

Temp: 32 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.87 AU - 1.25 AU

Year: 401 Days

Day: 24.3 Hours

Environment

Temp: 31 °C

Axial Tilt: 15.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.9 AU - 3.14 AU

Year: 1468 Days

Day: 31.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 9.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.33

Radius: 1.12

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.28 AU - 3.78 AU

Year: 1936 Days

Day: 17 Hours

Environment

Temp: -108 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.18 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 15.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.4

Radius: 6.5

Gravity: 13.86 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 14.85 AU - 15.79 AU

Year: 22012 Days

Day: 21.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 86,852,176 km

• M1: 80,932 km (0.117 R)
• M2: 325,076 km (0.095 R)
• M3: 552,016 km (0.102 R)
• M4: 877,392 km (0.1 R)
• M5: 1,386,024 km (0.11 R)
• M6: 1,879,548 km (0.117 R)
• M7: 2,219,733 km (0.09 R)
• M8: 2,647,882 km (0.08 R)
• M9: 3,850,649 km (0.082 R)
• M10: 4,641,872 km (0.089 R)
• M11: 4,891,850 km (0.099 R)
• M12: 5,656,295 km (0.118 R)
• M13: 6,067,091 km (0.064 R)
• M14: 6,453,652 km (0.114 R)
• M15: 8,637,482 km (0.095 R)
• M16: 9,182,467 km (0.083 R)
• M17: 9,634,552 km (0.096 R)
• M18: 13,296,708 km (0.061 R)
• M19: 16,114,683 km (0.045 R)
• M20: 17,362,329 km (0.086 R)
• M21: 17,619,488 km (0.074 R)
• M22: 18,229,249 km (0.088 R)
• M23: 19,398,655 km (0.112 R)
• M24: 19,675,561 km (0.098 R)
• M25: 21,589,067 km (0.113 R)
• M26: 24,257,594 km (0.109 R)
• M27: 25,339,935 km (0.07 R)
• M28: 30,486,849 km (0.086 R)
• M29: 32,002,724 km (0.097 R)
• M30: 48,308,144 km (0.058 R)
• M31: 70,473,762 km (0.101 R)
• M32: 72,893,358 km (0.1 R)
• M33: 76,281,151 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659.9

Radius: 7.3

Gravity: 12.38 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 13.52 AU - 19.7 AU

Year: 24850 Days

Day: 23.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 86,852,176 km

• M1: 94,247 km (0.062 R)
• M2: 366,365 km (0.11 R)
• M3: 1,202,468 km (0.117 R)
• M4: 1,512,584 km (0.118 R)
• M5: 2,078,214 km (0.05 R)
• M6: 2,433,359 km (0.119 R)
• M7: 2,802,567 km (0.115 R)
• M8: 3,124,501 km (0.11 R)
• M9: 4,739,709 km (0.032 R)
• M10: 6,472,950 km (0.112 R)
• M11: 7,281,676 km (0.074 R)
• M12: 8,317,342 km (0.098 R)
• M13: 8,758,058 km (0.08 R)
• M14: 9,566,485 km (0.06 R)
• M15: 14,763,215 km (0.053 R)
• M16: 15,003,320 km (0.105 R)
• M17: 15,327,499 km (0.086 R)
• M18: 17,283,042 km (0.114 R)
• M19: 19,399,104 km (0.044 R)
• M20: 21,070,112 km (0.101 R)
• M21: 22,941,581 km (0.081 R)
• M22: 23,589,191 km (0.077 R)
• M23: 26,892,760 km (0.102 R)
• M24: 28,099,866 km (0.063 R)
• M25: 31,406,727 km (0.112 R)
• M26: 33,703,951 km (0.085 R)
• M27: 38,478,368 km (0.106 R)
• M28: 39,546,048 km (0.096 R)
• M29: 40,947,630 km (0.033 R)
• M30: 45,014,298 km (0.118 R)
• M31: 50,965,601 km (0.113 R)
• M32: 63,974,482 km (0.12 R)
• M33: 64,613,265 km (0.081 R)
• M34: 68,981,373 km (0.071 R)
• M35: 69,653,068 km (0.112 R)
• M36: 75,184,748 km (0.085 R)
• M37: 86,852,185 km (0.087 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 16,644 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit