🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.51 AU - 0.81 AU

Year: 197 Days

Day: 29.9 Hours

Environment

Temp: 164 °C

Axial Tilt: 32.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.18 AU - 1.22 AU

Year: 483 Days

Day: 22.1 Hours

Environment

Temp: 14 °C

Axial Tilt: 6.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 2.76 AU - 4.56 AU

Year: 2570 Days

Day: 21.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 11.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,637,259 km

• M1: 827,276 km (0.069 R)

Asteroid Belt

Center: 5.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 7.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889

Radius: 10.4

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 5.82 AU - 9.18 AU

Year: 7540 Days

Day: 7.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 119.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,637,259 km

• M1: 129,402 km (0.056 R)
• M2: 1,667,119 km (0.093 R)
• M3: 3,374,629 km (0.114 R)
• M4: 4,415,381 km (0.114 R)
• M5: 4,995,223 km (0.096 R)
• M6: 5,559,655 km (0.051 R)
• M7: 6,062,155 km (0.033 R)
• M8: 6,413,859 km (0.11 R)
• M9: 8,084,568 km (0.079 R)
• M10: 8,554,904 km (0.086 R)
• M11: 10,174,151 km (0.106 R)
• M12: 11,663,099 km (0.114 R)
• M13: 13,827,630 km (0.118 R)
• M14: 15,913,922 km (0.114 R)
• M15: 25,907,509 km (0.093 R)
• M16: 26,369,467 km (0.096 R)
• M17: 27,981,384 km (0.039 R)
• M18: 31,088,083 km (0.091 R)
• M19: 38,096,743 km (0.086 R)
• M20: 41,398,219 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 158.4

Radius: 9.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 8.06 AU - 9.44 AU

Year: 9501 Days

Day: 14.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,637,259 km

• M1: 153,039 km (0.119 R)
• M2: 868,715 km (0.114 R)
• M3: 1,312,721 km (0.085 R)
• M4: 2,699,643 km (0.083 R)
• M5: 3,153,972 km (0.097 R)
• M6: 3,553,697 km (0.096 R)
• M7: 4,216,715 km (0.097 R)
• M8: 4,627,661 km (0.117 R)
• M9: 4,933,887 km (0.058 R)
• M10: 5,308,181 km (0.117 R)
• M11: 5,905,226 km (0.077 R)
• M12: 6,420,741 km (0.063 R)
• M13: 6,966,025 km (0.06 R)
• M14: 7,541,977 km (0.053 R)
• M15: 9,583,838 km (0.105 R)
• M16: 10,125,681 km (0.095 R)
• M17: 10,469,308 km (0.073 R)
• M18: 12,402,411 km (0.112 R)
• M19: 12,995,866 km (0.029 R)
• M20: 13,659,931 km (0.094 R)
• M21: 14,400,291 km (0.031 R)
• M22: 14,945,276 km (0.112 R)
• M23: 15,391,227 km (0.118 R)
• M24: 16,368,101 km (0.093 R)
• M25: 19,679,600 km (0.117 R)
• M26: 20,968,236 km (0.104 R)
• M27: 21,386,512 km (0.081 R)
• M28: 22,821,454 km (0.106 R)
• M29: 24,549,609 km (0.062 R)
• M30: 26,932,853 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 142.2

Radius: 7.2

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 12 AU - 15.84 AU

Year: 19065 Days

Day: 15.2 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 43,637,259 km

• M1: 89,609 km (0.036 R)
• M2: 331,060 km (0.063 R)
• M3: 669,301 km (0.058 R)
• M4: 909,106 km (0.082 R)
• M5: 1,253,630 km (0.082 R)
• M6: 1,697,637 km (0.104 R)
• M7: 2,918,654 km (0.118 R)
• M8: 3,698,807 km (0.102 R)
• M9: 4,468,040 km (0.051 R)
• M10: 4,935,683 km (0.089 R)
• M11: 5,403,475 km (0.079 R)
• M12: 5,697,884 km (0.111 R)
• M13: 6,427,173 km (0.112 R)
• M14: 9,170,499 km (0.064 R)
• M15: 9,877,199 km (0.108 R)
• M16: 14,148,069 km (0.067 R)
• M17: 14,582,800 km (0.114 R)
• M18: 16,684,651 km (0.105 R)
• M19: 18,461,275 km (0.109 R)
• M20: 21,478,813 km (0.114 R)
• M21: 24,364,856 km (0.111 R)
• M22: 25,716,472 km (0.116 R)
• M23: 29,263,139 km (0.115 R)
• M24: 31,835,773 km (0.069 R)
• M25: 32,154,417 km (0.096 R)
• M26: 35,457,538 km (0.07 R)
• M27: 37,426,246 km (0.12 R)
• M28: 39,222,916 km (0.099 R)
• M29: 41,960,856 km (0.037 R)
• M30: 42,729,191 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 281 - 12,153 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit