🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.52 AU - 0.68 AU

Year: 175 Days

Day: 17.4 Hours

Environment

Temp: 160 °C

Axial Tilt: 31.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 68,856,904 km

• M1: 54,454 km (0.083 R)
• M2: 111,151 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.67 AU - 0.77 AU

Year: 230 Days

Day: 30.2 Hours

Environment

Temp: 161 °C

Axial Tilt: 33.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.45

Radius: 0.73

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.61 AU - 0.85 AU

Year: 235 Days

Day: 16.4 Hours

Environment

Temp: 118 °C

Axial Tilt: 19.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.69 AU - 1.01 AU

Year: 295 Days

Day: 45.3 Hours

Environment

Temp: 158 °C

Axial Tilt: 39.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 5 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.79 AU - 0.95 AU

Year: 306 Days

Day: 38.5 Hours

Environment

Temp: 26 °C

Axial Tilt: 44 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.66 AU - 2.46 AU

Year: 1114 Days

Day: 30.7 Hours

Environment

Temp: -87 °C

Axial Tilt: 2.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.69 AU - 3.59 AU

Year: 2096 Days

Day: 44.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 12.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,856,904 km

• M1: 184,005 km (0.051 R)

Planet 8 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.24 AU - 5.14 AU

Year: 3231 Days

Day: 16.9 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 9 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549

Radius: 14.9

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.86 AU - 6.48 AU

Year: 5086 Days

Day: 8 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 68,856,904 km

• M1: 198,367 km (0.083 R)
• M2: 346,618 km (0.114 R)
• M3: 500,405 km (0.084 R)
• M4: 631,004 km (0.093 R)
• M5: 752,627 km (0.083 R)
• M6: 1,050,027 km (0.051 R)
• M7: 1,158,037 km (0.072 R)
• M8: 1,445,863 km (0.026 R)
• M9: 2,108,732 km (0.104 R)
• M10: 2,668,527 km (0.101 R)
• M11: 2,995,099 km (0.116 R)
• M12: 3,457,805 km (0.12 R)
• M13: 3,687,288 km (0.049 R)
• M14: 3,986,783 km (0.111 R)
• M15: 4,161,514 km (0.112 R)
• M16: 4,564,231 km (0.116 R)
• M17: 4,724,151 km (0.082 R)
• M18: 4,862,978 km (0.067 R)
• M19: 5,431,450 km (0.114 R)
• M20: 5,699,230 km (0.106 R)
• M21: 5,797,665 km (0.051 R)
• M22: 5,996,331 km (0.1 R)
• M23: 6,172,109 km (0.118 R)
• M24: 6,324,100 km (0.106 R)
• M25: 6,477,289 km (0.069 R)
• M26: 6,657,704 km (0.094 R)
• M27: 7,023,470 km (0.092 R)
• M28: 7,262,079 km (0.076 R)
• M29: 7,557,535 km (0.111 R)
• M30: 7,966,835 km (0.066 R)
• M31: 8,077,238 km (0.101 R)
• M32: 8,608,460 km (0.06 R)
• M33: 8,978,565 km (0.103 R)
• M34: 9,734,633 km (0.101 R)
• M35: 10,420,389 km (0.089 R)
• M36: 10,693,106 km (0.083 R)
• M37: 10,845,546 km (0.083 R)
• M38: 11,462,787 km (0.118 R)
• M39: 11,744,330 km (0.095 R)
• M40: 11,996,552 km (0.086 R)
• M41: 12,282,434 km (0.09 R)
• M42: 12,763,990 km (0.095 R)
• M43: 13,415,638 km (0.063 R)
• M44: 13,547,284 km (0.114 R)
• M45: 13,778,712 km (0.119 R)
• M46: 14,211,947 km (0.093 R)
• M47: 14,785,356 km (0.102 R)
• M48: 15,194,656 km (0.108 R)
• M49: 15,435,209 km (0.118 R)
• M50: 16,234,361 km (0.116 R)
• M51: 17,047,126 km (0.067 R)
• M52: 17,584,183 km (0.055 R)
• M53: 17,909,259 km (0.066 R)
• M54: 18,054,219 km (0.089 R)
• M55: 18,712,001 km (0.087 R)
• M56: 18,969,908 km (0.085 R)
• M57: 19,191,911 km (0.05 R)
• M58: 19,377,562 km (0.101 R)
• M59: 19,713,259 km (0.101 R)
• M60: 21,190,389 km (0.115 R)
• M61: 22,311,625 km (0.056 R)
• M62: 22,546,045 km (0.085 R)
• M63: 23,135,759 km (0.089 R)
• M64: 23,333,378 km (0.076 R)
• M65: 23,969,768 km (0.051 R)
• M66: 24,410,483 km (0.097 R)
• M67: 24,975,514 km (0.073 R)
• M68: 25,381,672 km (0.1 R)
• M69: 25,667,255 km (0.069 R)
• M70: 25,912,894 km (0.11 R)
• M71: 26,200,571 km (0.109 R)
• M72: 26,365,428 km (0.046 R)
• M73: 26,571,873 km (0.115 R)
• M74: 26,737,478 km (0.06 R)
• M75: 26,944,970 km (0.078 R)
• M76: 27,780,325 km (0.101 R)
• M77: 28,327,853 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.1

Radius: 3.1

Gravity: 20.61 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 18.03 AU - 20.63 AU

Year: 32017 Days

Day: 19.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 68,856,904 km

• M1: 49,816 km (0.095 R)
• M2: 87,814 km (0.084 R)
• M3: 128,953 km (0.086 R)
• M4: 975,079 km (0.098 R)
• M5: 2,722,382 km (0.09 R)
• M6: 3,153,224 km (0.095 R)
• M7: 3,227,125 km (0.095 R)
• M8: 3,682,202 km (0.111 R)
• M9: 3,799,038 km (0.037 R)
• M10: 3,917,220 km (0.033 R)
• M11: 4,484,346 km (0.117 R)
• M12: 5,033,520 km (0.101 R)
• M13: 5,425,915 km (0.058 R)
• M14: 5,603,637 km (0.098 R)
• M15: 5,693,097 km (0.109 R)
• M16: 5,918,989 km (0.069 R)
• M17: 6,899,155 km (0.073 R)
• M18: 7,629,491 km (0.093 R)
• M19: 9,426,611 km (0.095 R)
• M20: 9,639,937 km (0.103 R)
• M21: 11,687,483 km (0.089 R)
• M22: 12,147,347 km (0.067 R)
• M23: 12,263,136 km (0.057 R)
• M24: 13,084,428 km (0.118 R)
• M25: 13,143,819 km (0.047 R)
• M26: 17,058,196 km (0.064 R)
• M27: 17,513,722 km (0.118 R)
• M28: 18,569,883 km (0.063 R)
• M29: 20,261,236 km (0.115 R)
• M30: 21,369,158 km (0.09 R)
• M31: 24,296,489 km (0.102 R)
• M32: 24,735,410 km (0.101 R)
• M33: 26,516,671 km (0.099 R)
• M34: 28,262,179 km (0.032 R)
• M35: 29,966,099 km (0.073 R)
• M36: 30,201,117 km (0.107 R)
• M37: 30,909,613 km (0.072 R)
• M38: 32,503,429 km (0.101 R)
• M39: 33,067,562 km (0.082 R)
• M40: 33,716,219 km (0.056 R)
• M41: 35,687,320 km (0.101 R)
• M42: 36,019,427 km (0.105 R)
• M43: 38,798,357 km (0.1 R)
• M44: 41,122,659 km (0.116 R)
• M45: 41,819,935 km (0.088 R)
• M46: 42,609,064 km (0.073 R)
• M47: 43,314,717 km (0.11 R)
• M48: 51,326,132 km (0.067 R)
• M49: 52,830,787 km (0.059 R)
• M50: 55,114,848 km (0.092 R)
• M51: 56,655,406 km (0.085 R)
• M52: 58,992,724 km (0.033 R)
• M53: 61,559,973 km (0.082 R)
• M54: 64,567,189 km (0.086 R)
• M55: 64,769,445 km (0.112 R)
• M56: 67,827,226 km (0.106 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 12,932 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit