🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.75 AU - 1.11 AU

Year: 328 Days

Day: 46.6 Hours

Environment

Temp: 142 °C

Axial Tilt: 11.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,604,801 km

• M1: 741,856 km (0.104 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.88 AU - 1.18 AU

Year: 382 Days

Day: 36.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.23 AU - 1.23 AU

Year: 498 Days

Day: 42.8 Hours

Environment

Temp: 13 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.31 AU - 5.31 AU

Year: 3268 Days

Day: 12.5 Hours

Environment

Temp: -139 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.49 AU - 4.65 AU

Year: 3568 Days

Day: 47.9 Hours

Environment

Temp: -125 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185.7

Radius: 11.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 4.42 AU - 5.64 AU

Year: 4120 Days

Day: 10.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,604,801 km

• M1: 140,472 km (0.059 R)
• M2: 586,872 km (0.076 R)
• M3: 1,003,503 km (0.101 R)
• M4: 1,734,887 km (0.105 R)
• M5: 2,120,550 km (0.073 R)
• M6: 3,312,396 km (0.05 R)
• M7: 3,747,427 km (0.057 R)
• M8: 4,181,410 km (0.039 R)
• M9: 5,860,048 km (0.086 R)
• M10: 6,316,022 km (0.087 R)
• M11: 6,768,406 km (0.045 R)
• M12: 7,299,479 km (0.105 R)
• M13: 7,828,008 km (0.086 R)
• M14: 9,568,729 km (0.075 R)
• M15: 11,129,184 km (0.087 R)
• M16: 11,593,386 km (0.12 R)
• M17: 12,727,039 km (0.09 R)
• M18: 13,450,644 km (0.081 R)
• M19: 16,274,304 km (0.119 R)
• M20: 17,177,875 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.8

Radius: 11.3

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 5.36 AU - 5.8 AU

Year: 4814 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,604,801 km

• M1: 157,527 km (0.057 R)
• M2: 533,466 km (0.106 R)
• M3: 924,066 km (0.119 R)
• M4: 1,331,720 km (0.078 R)
• M5: 2,002,816 km (0.119 R)
• M6: 2,703,084 km (0.118 R)
• M7: 3,242,235 km (0.107 R)
• M8: 3,715,413 km (0.051 R)
• M9: 4,283,885 km (0.097 R)
• M10: 5,506,249 km (0.069 R)
• M11: 6,879,258 km (0.089 R)
• M12: 8,708,092 km (0.043 R)
• M13: 9,159,728 km (0.092 R)
• M14: 10,841,358 km (0.047 R)
• M15: 12,772,068 km (0.105 R)
• M16: 13,194,831 km (0.105 R)
• M17: 14,236,481 km (0.093 R)
• M18: 21,297,501 km (0.037 R)
• M19: 23,429,420 km (0.03 R)
• M20: 24,304,568 km (0.108 R)
• M21: 26,888,572 km (0.108 R)
• M22: 32,011,401 km (0.096 R)
• M23: 32,989,921 km (0.05 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.7

Radius: 13

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 9.67 AU - 14.03 AU

Year: 14899 Days

Day: 12.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 169.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 60,604,801 km

• M1: 162,463 km (0.093 R)
• M2: 659,876 km (0.061 R)
• M3: 1,859,801 km (0.114 R)
• M4: 2,434,107 km (0.09 R)
• M5: 2,911,773 km (0.025 R)
• M6: 4,088,360 km (0.088 R)
• M7: 5,560,104 km (0.068 R)
• M8: 6,557,922 km (0.102 R)
• M9: 8,958,070 km (0.084 R)
• M10: 9,732,239 km (0.11 R)
• M11: 10,272,886 km (0.111 R)
• M12: 11,121,255 km (0.102 R)
• M13: 12,449,535 km (0.104 R)
• M14: 12,893,691 km (0.033 R)
• M15: 15,347,395 km (0.067 R)
• M16: 18,422,230 km (0.113 R)
• M17: 23,868,939 km (0.06 R)
• M18: 24,953,822 km (0.075 R)
• M19: 26,799,561 km (0.104 R)
• M20: 29,066,268 km (0.086 R)
• M21: 30,761,661 km (0.104 R)
• M22: 33,978,164 km (0.084 R)
• M23: 36,114,721 km (0.091 R)
• M24: 48,310,538 km (0.069 R)
• M25: 50,044,976 km (0.113 R)
• M26: 51,170,101 km (0.107 R)
• M27: 55,839,948 km (0.1 R)
• M28: 56,356,510 km (0.051 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 429 - 16,801 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit