🌌 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: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.49 AU - 0.77 AU

Year: 177 Days

Day: 22.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 106,712,249 km

• M1: 161,117 km (0.065 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.28

Radius: 1.39

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.63 AU - 0.97 AU

Year: 254 Days

Day: 27.5 Hours

Environment

Temp: 153 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.74 AU - 0.94 AU

Year: 273 Days

Day: 24.9 Hours

Environment

Temp: 184 °C

Axial Tilt: 26.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 106,712,249 km

• M1: 34,707 km (0.045 R)
• M2: 223,200 km (0.095 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.6 AU - 2.62 AU

Year: 1496 Days

Day: 19.5 Hours

Environment

Temp: -88 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 106,712,249 km

• M1: 548,127 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 320.9

Radius: 13

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 7.12 AU - 8.08 AU

Year: 7433 Days

Day: 9.7 Hours

Environment

Temp: -147 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 106,712,249 km

• M1: 167,849 km (0.053 R)
• M2: 636,389 km (0.044 R)
• M3: 1,040,902 km (0.088 R)
• M4: 2,135,659 km (0.118 R)
• M5: 2,645,489 km (0.048 R)
• M6: 4,239,903 km (0.062 R)
• M7: 5,216,927 km (0.084 R)
• M8: 5,700,427 km (0.057 R)
• M9: 6,182,581 km (0.043 R)
• M10: 6,626,886 km (0.088 R)
• M11: 7,160,801 km (0.087 R)
• M12: 8,429,391 km (0.111 R)
• M13: 9,715,783 km (0.096 R)
• M14: 10,230,550 km (0.032 R)
• M15: 11,933,422 km (0.074 R)
• M16: 15,142,745 km (0.097 R)
• M17: 20,517,348 km (0.115 R)
• M18: 23,059,016 km (0.083 R)
• M19: 30,546,688 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374

Radius: 5

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 17.09 AU - 21.45 AU

Year: 30010 Days

Day: 19.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 106,712,249 km

• M1: 62,233 km (0.049 R)
• M2: 315,652 km (0.096 R)
• M3: 521,498 km (0.084 R)
• M4: 763,847 km (0.114 R)
• M5: 1,987,557 km (0.111 R)
• M6: 2,418,698 km (0.099 R)
• M7: 3,377,621 km (0.101 R)
• M8: 5,841,348 km (0.109 R)
• M9: 6,628,532 km (0.086 R)
• M10: 7,633,381 km (0.032 R)
• M11: 8,846,171 km (0.082 R)
• M12: 10,866,041 km (0.098 R)
• M13: 12,050,856 km (0.077 R)
• M14: 15,871,137 km (0.083 R)
• M15: 17,305,033 km (0.104 R)
• M16: 22,429,209 km (0.1 R)
• M17: 22,949,361 km (0.069 R)
• M18: 23,798,328 km (0.093 R)
• M19: 26,585,935 km (0.117 R)
• M20: 30,588,576 km (0.083 R)
• M21: 37,973,923 km (0.08 R)
• M22: 45,961,851 km (0.083 R)
• M23: 48,163,334 km (0.112 R)
• M24: 49,903,755 km (0.104 R)
• M25: 51,325,982 km (0.038 R)
• M26: 55,376,195 km (0.05 R)
• M27: 57,672,672 km (0.104 R)
• M28: 69,451,709 km (0.09 R)
• M29: 72,120,236 km (0.081 R)
• M30: 76,718,426 km (0.119 R)
• M31: 77,897,706 km (0.061 R)
• M32: 79,568,863 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 687

Radius: 5.3

Gravity: 24.46 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 15.84 AU - 25.36 AU

Year: 33169 Days

Day: 17.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,712,249 km

• M1: 65,973 km (0.101 R)
• M2: 289,621 km (0.102 R)
• M3: 463,005 km (0.108 R)
• M4: 698,323 km (0.11 R)
• M5: 1,380,489 km (0.113 R)
• M6: 1,961,976 km (0.119 R)
• M7: 2,141,793 km (0.08 R)
• M8: 3,212,315 km (0.076 R)
• M9: 3,399,163 km (0.108 R)
• M10: 3,968,532 km (0.069 R)
• M11: 4,294,656 km (0.071 R)
• M12: 5,337,502 km (0.112 R)
• M13: 5,871,716 km (0.109 R)
• M14: 9,655,047 km (0.061 R)
• M15: 11,351,636 km (0.103 R)
• M16: 12,922,563 km (0.114 R)
• M17: 14,888,878 km (0.053 R)
• M18: 19,097,365 km (0.025 R)
• M19: 20,446,289 km (0.07 R)
• M20: 20,766,428 km (0.056 R)
• M21: 23,917,259 km (0.061 R)
• M22: 28,816,290 km (0.082 R)
• M23: 33,598,934 km (0.051 R)
• M24: 53,651,481 km (0.104 R)
• M25: 56,742,173 km (0.079 R)
• M26: 57,585,905 km (0.119 R)
• M27: 73,737,987 km (0.12 R)
• M28: 73,988,264 km (0.104 R)
• M29: 77,552,284 km (0.049 R)
• M30: 81,495,983 km (0.032 R)
• M31: 84,471,485 km (0.104 R)
• M32: 86,680,447 km (0.093 R)
• M33: 90,065,697 km (0.076 R)
• M34: 98,912,018 km (0.1 R)
• M35: 100,748,182 km (0.118 R)
• M36: 103,858,621 km (0.051 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 17,330 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit