🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.58 AU - 0.6 AU

Year: 195 Days

Day: 42 Hours

Environment

Temp: 24 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.5 AU - 0.8 AU

Year: 226 Days

Day: 13.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 14.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.76 AU - 0.78 AU

Year: 291 Days

Day: 47 Hours

Environment

Temp: -11 °C

Axial Tilt: 3.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.84 AU - 1.24 AU

Year: 457 Days

Day: 23.7 Hours

Environment

Temp: -61 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,017,918 km

• M1: 199,414 km (0.055 R)
• M2: 228,436 km (0.069 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.31 AU - 1.47 AU

Year: 705 Days

Day: 29.6 Hours

Environment

Temp: -88 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.6

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.64 AU - 1.92 AU

Year: 1022 Days

Day: 24.3 Hours

Environment

Temp: -114 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.48

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.87 AU - 2.43 AU

Year: 1357 Days

Day: 43.7 Hours

Environment

Temp: -128 °C

Axial Tilt: 123.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,017,918 km

• M1: 522,246 km (0.107 R)

Asteroid Belt

Center: 2.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.9

Radius: 8.5

Gravity: 6.57 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.77 AU - 3.49 AU

Year: 2384 Days

Day: 11.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,017,918 km

• M1: 105,915 km (0.082 R)
• M2: 407,205 km (0.12 R)
• M3: 800,498 km (0.113 R)
• M4: 1,166,265 km (0.089 R)
• M5: 1,533,528 km (0.068 R)
• M6: 2,071,033 km (0.072 R)
• M7: 2,905,789 km (0.088 R)
• M8: 3,218,449 km (0.101 R)
• M9: 3,967,485 km (0.031 R)
• M10: 4,555,554 km (0.038 R)
• M11: 4,979,066 km (0.074 R)
• M12: 6,725,172 km (0.092 R)
• M13: 7,051,445 km (0.112 R)
• M14: 7,765,476 km (0.082 R)
• M15: 9,072,512 km (0.036 R)
• M16: 9,986,555 km (0.029 R)
• M17: 10,960,737 km (0.091 R)
• M18: 11,839,475 km (0.119 R)
• M19: 12,155,874 km (0.065 R)
• M20: 13,139,031 km (0.11 R)
• M21: 14,711,903 km (0.036 R)
• M22: 15,543,817 km (0.102 R)

Asteroid Belt

Center: 3.58 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 14.1

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 3.73 AU - 4.33 AU

Year: 3482 Days

Day: 10.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,017,918 km

• M1: 175,329 km (0.026 R)
• M2: 658,979 km (0.047 R)
• M3: 1,103,883 km (0.087 R)
• M4: 1,752,838 km (0.117 R)
• M5: 3,866,507 km (0.105 R)
• M6: 4,848,168 km (0.03 R)
• M7: 5,348,573 km (0.095 R)
• M8: 5,990,198 km (0.114 R)
• M9: 6,636,461 km (0.03 R)
• M10: 7,304,415 km (0.106 R)
• M11: 8,526,331 km (0.082 R)
• M12: 9,819,903 km (0.098 R)
• M13: 10,978,689 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.4

Radius: 7.6

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 12.07 AU - 18.85 AU

Year: 26166 Days

Day: 21.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,017,918 km

• M1: 94,845 km (0.098 R)
• M2: 363,822 km (0.114 R)
• M3: 2,529,251 km (0.066 R)
• M4: 4,565,877 km (0.063 R)
• M5: 4,946,902 km (0.096 R)
• M6: 6,177,345 km (0.055 R)
• M7: 9,282,997 km (0.103 R)
• M8: 13,159,975 km (0.084 R)
• M9: 17,493,077 km (0.11 R)
• M10: 18,083,241 km (0.089 R)
• M11: 18,599,653 km (0.114 R)
• M12: 21,810,023 km (0.069 R)
• M13: 22,198,978 km (0.088 R)
• M14: 25,052,108 km (0.062 R)
• M15: 25,371,649 km (0.092 R)
• M16: 30,135,145 km (0.086 R)
• M17: 52,490,153 km (0.096 R)
• M18: 54,248,227 km (0.1 R)
• M19: 60,710,705 km (0.093 R)
• M20: 67,874,050 km (0.102 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 20,198 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit