🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.73 AU

Year: 200 Days

Day: 12.1 Hours

Environment

Temp: 210 °C

Axial Tilt: 20.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.7 AU - 1.02 AU

Year: 278 Days

Day: 43.7 Hours

Environment

Temp: 132 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.81 AU - 1.17 AU

Year: 343 Days

Day: 43.4 Hours

Environment

Temp: 87 °C

Axial Tilt: 43.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 33,164,384 km

• M1: 97,538 km (0.051 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 0.8 AU - 1.32 AU

Year: 380 Days

Day: 48 Hours

Environment

Temp: 144 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 33,164,384 km

• M1: 180,565 km (0.098 R)
• M2: 629,807 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1 AU - 1.56 AU

Year: 504 Days

Day: 13 Hours

Environment

Temp: 33 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.41 AU - 4.41 AU

Year: 2693 Days

Day: 21.4 Hours

Environment

Temp: -110 °C

Axial Tilt: 15.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 5.16 AU - 5.18 AU

Year: 4094 Days

Day: 32.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 21 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,164,384 km

• M1: 3,649,290 km (0.119 R)

Asteroid Belt

Center: 6.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 398.8

Radius: 8.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.91 AU - 9.63 AU

Year: 7543 Days

Day: 14.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 93.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 33,164,384 km

• M1: 123,568 km (0.049 R)
• M2: 194,776 km (0.112 R)
• M3: 288,574 km (0.088 R)
• M4: 423,811 km (0.084 R)
• M5: 488,886 km (0.093 R)
• M6: 720,463 km (0.088 R)
• M7: 800,797 km (0.11 R)
• M8: 856,149 km (0.028 R)
• M9: 1,030,580 km (0.08 R)
• M10: 1,184,965 km (0.099 R)
• M11: 1,448,107 km (0.057 R)
• M12: 1,516,773 km (0.069 R)
• M13: 1,657,544 km (0.101 R)
• M14: 1,766,152 km (0.078 R)
• M15: 1,914,554 km (0.119 R)
• M16: 2,028,547 km (0.106 R)
• M17: 2,164,532 km (0.083 R)
• M18: 2,486,765 km (0.097 R)
• M19: 2,611,680 km (0.117 R)
• M20: 3,357,724 km (0.114 R)
• M21: 3,683,249 km (0.104 R)
• M22: 3,778,244 km (0.119 R)
• M23: 3,922,157 km (0.075 R)
• M24: 4,289,869 km (0.103 R)
• M25: 4,465,347 km (0.106 R)
• M26: 4,541,193 km (0.098 R)
• M27: 4,668,800 km (0.088 R)
• M28: 5,896,699 km (0.1 R)
• M29: 6,575,126 km (0.1 R)
• M30: 7,070,594 km (0.092 R)
• M31: 7,427,534 km (0.09 R)
• M32: 7,820,977 km (0.075 R)
• M33: 7,974,165 km (0.108 R)
• M34: 8,628,057 km (0.101 R)
• M35: 8,881,775 km (0.106 R)
• M36: 9,396,541 km (0.058 R)
• M37: 9,756,025 km (0.092 R)
• M38: 10,120,146 km (0.075 R)
• M39: 10,522,415 km (0.094 R)
• M40: 11,169,875 km (0.04 R)
• M41: 11,585,607 km (0.083 R)
• M42: 11,795,343 km (0.097 R)
• M43: 12,254,010 km (0.074 R)
• M44: 12,934,980 km (0.1 R)
• M45: 13,591,565 km (0.099 R)
• M46: 13,665,167 km (0.047 R)
• M47: 13,923,822 km (0.044 R)
• M48: 14,634,113 km (0.07 R)
• M49: 14,709,659 km (0.041 R)
• M50: 15,394,518 km (0.12 R)
• M51: 15,740,987 km (0.035 R)
• M52: 16,637,826 km (0.066 R)
• M53: 16,953,627 km (0.065 R)
• M54: 17,152,144 km (0.088 R)
• M55: 17,551,271 km (0.039 R)
• M56: 18,074,714 km (0.1 R)
• M57: 18,399,341 km (0.09 R)
• M58: 19,054,580 km (0.043 R)
• M59: 19,178,297 km (0.113 R)
• M60: 19,385,042 km (0.102 R)
• M61: 19,467,919 km (0.099 R)
• M62: 19,592,534 km (0.084 R)
• M63: 20,009,762 km (0.057 R)
• M64: 20,135,425 km (0.083 R)
• M65: 20,261,536 km (0.081 R)
• M66: 20,345,610 km (0.074 R)
• M67: 21,108,260 km (0.114 R)
• M68: 21,407,306 km (0.073 R)
• M69: 22,182,821 km (0.098 R)
• M70: 22,661,235 km (0.044 R)
• M71: 23,850,089 km (0.091 R)
• M72: 24,743,637 km (0.112 R)
• M73: 25,921,721 km (0.057 R)
• M74: 26,058,752 km (0.094 R)
• M75: 26,425,566 km (0.097 R)
• M76: 26,794,026 km (0.062 R)
• M77: 27,489,656 km (0.101 R)
• M78: 27,582,855 km (0.042 R)
• M79: 28,520,385 km (0.104 R)
• M80: 28,945,842 km (0.068 R)
• M81: 29,611,552 km (0.086 R)
• M82: 29,898,481 km (0.062 R)
• M83: 30,090,265 km (0.076 R)
• M84: 31,249,649 km (0.12 R)
• M85: 31,346,887 km (0.095 R)
• M86: 31,883,645 km (0.058 R)
• M87: 32,571,196 km (0.068 R)
• M88: 33,015,801 km (0.031 R)

Kuiper Belt

Range: 31.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 20,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit