🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.6 AU - 0.68 AU

Year: 179 Days

Day: 34.1 Hours

Environment

Temp: 200 °C

Axial Tilt: 8.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.8 AU - 0.84 AU

Year: 260 Days

Day: 20.1 Hours

Environment

Temp: 189 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,015,439 km

• M1: 204,500 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.72 AU - 0.98 AU

Year: 274 Days

Day: 14.3 Hours

Environment

Temp: 137 °C

Axial Tilt: 39.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.25 AU - 3.39 AU

Year: 2116 Days

Day: 12.1 Hours

Environment

Temp: -105 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.27 AU - 4.29 AU

Year: 2571 Days

Day: 43.9 Hours

Environment

Temp: -118 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.63 AU - 5.31 AU

Year: 3306 Days

Day: 18.6 Hours

Environment

Temp: -125 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,015,439 km

• M1: 347,815 km (0.102 R)

Planet 7 - Terrestrial

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.53 AU - 6.25 AU

Year: 4378 Days

Day: 26 Hours

Environment

Temp: -139 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,015,439 km

• M1: 3,000,634 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 260.8

Radius: 7.2

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 12.66 AU - 19.64 AU

Year: 22706 Days

Day: 21.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 60,015,439 km

• M1: 94,845 km (0.037 R)
• M2: 448,794 km (0.099 R)
• M3: 1,014,722 km (0.083 R)
• M4: 1,175,690 km (0.116 R)
• M5: 1,295,817 km (0.082 R)
• M6: 1,345,034 km (0.075 R)
• M7: 3,029,058 km (0.06 R)
• M8: 3,262,281 km (0.074 R)
• M9: 3,675,919 km (0.067 R)
• M10: 4,439,018 km (0.098 R)
• M11: 4,974,428 km (0.099 R)
• M12: 5,329,275 km (0.091 R)
• M13: 6,570,638 km (0.109 R)
• M14: 6,959,891 km (0.099 R)
• M15: 7,091,388 km (0.12 R)
• M16: 7,490,515 km (0.09 R)
• M17: 7,851,495 km (0.082 R)
• M18: 8,126,007 km (0.058 R)
• M19: 8,778,702 km (0.05 R)
• M20: 9,207,151 km (0.116 R)
• M21: 9,351,512 km (0.081 R)
• M22: 11,398,161 km (0.107 R)
• M23: 11,449,772 km (0.109 R)
• M24: 12,022,433 km (0.071 R)
• M25: 13,304,187 km (0.076 R)
• M26: 13,467,399 km (0.115 R)
• M27: 14,016,423 km (0.086 R)
• M28: 14,349,278 km (0.107 R)
• M29: 15,821,770 km (0.109 R)
• M30: 15,879,365 km (0.118 R)
• M31: 16,986,838 km (0.036 R)
• M32: 17,460,615 km (0.027 R)
• M33: 17,818,752 km (0.102 R)
• M34: 18,118,995 km (0.057 R)
• M35: 18,663,830 km (0.096 R)
• M36: 20,455,714 km (0.119 R)
• M37: 25,000,946 km (0.091 R)
• M38: 25,810,270 km (0.113 R)
• M39: 26,491,240 km (0.058 R)
• M40: 27,385,386 km (0.09 R)
• M41: 28,639,764 km (0.062 R)
• M42: 28,850,697 km (0.117 R)
• M43: 30,484,456 km (0.06 R)
• M44: 31,566,048 km (0.067 R)
• M45: 32,367,145 km (0.057 R)
• M46: 35,713,649 km (0.063 R)
• M47: 35,789,196 km (0.08 R)
• M48: 36,548,256 km (0.078 R)
• M49: 37,466,039 km (0.026 R)
• M50: 39,480,524 km (0.083 R)
• M51: 39,872,021 km (0.117 R)
• M52: 42,007,830 km (0.09 R)
• M53: 42,327,371 km (0.102 R)
• M54: 42,567,625 km (0.083 R)
• M55: 44,505,666 km (0.083 R)
• M56: 45,731,471 km (0.093 R)
• M57: 46,389,701 km (0.084 R)
• M58: 46,802,741 km (0.112 R)
• M59: 51,938,885 km (0.087 R)
• M60: 52,110,324 km (0.117 R)
• M61: 52,970,063 km (0.099 R)
• M62: 53,834,589 km (0.079 R)
• M63: 55,315,009 km (0.095 R)
• M64: 57,250,656 km (0.074 R)
• M65: 57,604,904 km (0.118 R)
• M66: 58,226,633 km (0.113 R)
• M67: 58,582,975 km (0.1 R)
• M68: 59,835,708 km (0.104 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 14,749 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit