🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.71 AU - 0.77 AU

Year: 233 Days

Day: 36.8 Hours

Environment

Temp: 170 °C

Axial Tilt: 31.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.72 AU - 0.82 AU

Year: 247 Days

Day: 44.7 Hours

Environment

Temp: 145 °C

Axial Tilt: 47.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 62,505,372 km

• M1: 444,754 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.91 AU - 0.97 AU

Year: 333 Days

Day: 36.3 Hours

Environment

Temp: 158 °C

Axial Tilt: 27.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.28 AU - 1.32 AU

Year: 541 Days

Day: 34.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 5.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 2.61 AU - 3.03 AU

Year: 1730 Days

Day: 37.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 7.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.97 AU - 2.99 AU

Year: 1879 Days

Day: 14.5 Hours

Environment

Temp: -95 °C

Axial Tilt: 147.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,505,372 km

• M1: 1,620,743 km (0.051 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 3.23 AU - 3.83 AU

Year: 2422 Days

Day: 23.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 43.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.2

Radius: 10.2

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.33 AU - 5.41 AU

Year: 3925 Days

Day: 14.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 62,505,372 km

• M1: 127,457 km (0.113 R)
• M2: 257,907 km (0.118 R)
• M3: 332,706 km (0.091 R)
• M4: 417,976 km (0.093 R)
• M5: 497,413 km (0.115 R)
• M6: 599,289 km (0.065 R)
• M7: 666,010 km (0.102 R)
• M8: 921,074 km (0.084 R)
• M9: 1,019,958 km (0.077 R)
• M10: 1,122,433 km (0.098 R)
• M11: 1,196,484 km (0.111 R)
• M12: 1,349,672 km (0.071 R)
• M13: 1,591,871 km (0.086 R)
• M14: 1,700,180 km (0.073 R)
• M15: 1,798,466 km (0.116 R)
• M16: 2,052,782 km (0.088 R)
• M17: 2,144,485 km (0.031 R)
• M18: 2,455,948 km (0.113 R)
• M19: 2,553,785 km (0.064 R)
• M20: 2,652,819 km (0.057 R)
• M21: 2,738,688 km (0.05 R)
• M22: 3,002,280 km (0.05 R)
• M23: 3,076,929 km (0.114 R)
• M24: 3,152,177 km (0.116 R)
• M25: 3,289,358 km (0.111 R)
• M26: 3,397,517 km (0.106 R)
• M27: 3,491,016 km (0.12 R)
• M28: 3,569,704 km (0.065 R)
• M29: 3,633,134 km (0.063 R)
• M30: 3,712,870 km (0.097 R)
• M31: 3,777,047 km (0.085 R)
• M32: 3,841,673 km (0.032 R)
• M33: 4,054,252 km (0.066 R)
• M34: 4,153,585 km (0.049 R)
• M35: 4,287,475 km (0.053 R)
• M36: 4,542,390 km (0.07 R)
• M37: 4,662,966 km (0.052 R)
• M38: 5,067,029 km (0.111 R)
• M39: 5,138,388 km (0.079 R)
• M40: 5,555,616 km (0.106 R)
• M41: 6,078,461 km (0.082 R)
• M42: 6,268,899 km (0.074 R)
• M43: 6,442,133 km (0.101 R)
• M44: 7,150,778 km (0.048 R)
• M45: 7,677,961 km (0.095 R)
• M46: 8,071,104 km (0.097 R)
• M47: 8,365,064 km (0.059 R)
• M48: 8,492,222 km (0.118 R)
• M49: 8,662,614 km (0.109 R)
• M50: 8,920,371 km (0.074 R)
• M51: 9,531,778 km (0.113 R)
• M52: 9,820,203 km (0.094 R)
• M53: 10,021,561 km (0.106 R)
• M54: 10,156,648 km (0.12 R)
• M55: 10,405,729 km (0.067 R)
• M56: 10,656,904 km (0.053 R)
• M57: 11,025,812 km (0.081 R)
• M58: 11,799,981 km (0.112 R)
• M59: 12,014,055 km (0.077 R)
• M60: 12,085,862 km (0.069 R)
• M61: 12,591,503 km (0.118 R)
• M62: 12,883,668 km (0.081 R)
• M63: 13,276,661 km (0.088 R)
• M64: 13,350,862 km (0.044 R)
• M65: 13,499,562 km (0.071 R)
• M66: 14,327,138 km (0.054 R)
• M67: 14,632,018 km (0.063 R)
• M68: 15,067,797 km (0.064 R)
• M69: 15,222,631 km (0.093 R)
• M70: 15,300,272 km (0.067 R)
• M71: 15,429,973 km (0.092 R)
• M72: 15,690,273 km (0.105 R)
• M73: 15,952,219 km (0.083 R)
• M74: 16,480,300 km (0.038 R)
• M75: 16,613,143 km (0.115 R)
• M76: 16,906,803 km (0.075 R)
• M77: 16,987,287 km (0.113 R)
• M78: 17,148,404 km (0.057 R)
• M79: 17,391,201 km (0.039 R)
• M80: 17,934,541 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 253

Radius: 6.8

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 14.69 AU - 18.33 AU

Year: 24503 Days

Day: 22.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 62,505,372 km

• M1: 106,663 km (0.102 R)
• M2: 274,512 km (0.113 R)
• M3: 425,307 km (0.079 R)
• M4: 1,025,045 km (0.111 R)
• M5: 1,240,615 km (0.108 R)
• M6: 1,826,440 km (0.091 R)
• M7: 2,028,996 km (0.102 R)
• M8: 2,147,926 km (0.09 R)
• M9: 2,614,821 km (0.114 R)
• M10: 3,747,277 km (0.053 R)
• M11: 4,344,472 km (0.058 R)
• M12: 6,746,565 km (0.095 R)
• M13: 8,122,416 km (0.054 R)
• M14: 9,086,275 km (0.083 R)
• M15: 9,782,504 km (0.104 R)
• M16: 9,933,897 km (0.114 R)
• M17: 11,864,009 km (0.114 R)
• M18: 13,567,480 km (0.049 R)
• M19: 15,170,720 km (0.083 R)
• M20: 15,580,768 km (0.103 R)
• M21: 16,772,464 km (0.076 R)
• M22: 17,501,455 km (0.03 R)
• M23: 18,240,768 km (0.086 R)
• M24: 19,368,885 km (0.074 R)
• M25: 19,749,911 km (0.063 R)
• M26: 20,648,545 km (0.12 R)
• M27: 21,955,283 km (0.096 R)
• M28: 22,021,405 km (0.057 R)
• M29: 23,288,649 km (0.084 R)
• M30: 24,374,131 km (0.072 R)
• M31: 26,523,702 km (0.113 R)
• M32: 26,664,474 km (0.114 R)
• M33: 29,677,226 km (0.102 R)
• M34: 29,823,383 km (0.096 R)
• M35: 29,896,536 km (0.113 R)
• M36: 30,263,200 km (0.088 R)
• M37: 35,163,727 km (0.107 R)
• M38: 36,798,832 km (0.094 R)
• M39: 38,857,299 km (0.065 R)
• M40: 39,097,254 km (0.071 R)
• M41: 41,360,071 km (0.066 R)
• M42: 43,002,207 km (0.104 R)
• M43: 44,665,586 km (0.106 R)
• M44: 48,226,464 km (0.077 R)
• M45: 49,606,804 km (0.11 R)
• M46: 54,539,345 km (0.108 R)
• M47: 55,076,999 km (0.112 R)
• M48: 56,247,902 km (0.114 R)
• M49: 56,338,409 km (0.114 R)
• M50: 58,522,837 km (0.115 R)
• M51: 59,073,207 km (0.099 R)
• M52: 59,533,221 km (0.117 R)
• M53: 60,086,882 km (0.103 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 188 - 18,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit