🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.16

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.41 AU - 0.59 AU

Year: 124 Days

Day: 45 Hours

Environment

Temp: 243 °C

Axial Tilt: 21.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.63

Radius: 1.85

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.56 AU - 0.76 AU

Year: 188 Days

Day: 23.4 Hours

Environment

Temp: 205 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 2.44 AU - 3.22 AU

Year: 1666 Days

Day: 16.8 Hours

Environment

Temp: -86 °C

Axial Tilt: 33.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.18 AU - 5.12 AU

Year: 2958 Days

Day: 37.9 Hours

Environment

Temp: -123 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,799,095 km

• M1: 27,975 km (0.081 R)

Asteroid Belt

Center: 5.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.1

Radius: 13

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.1 AU - 7.8 AU

Year: 6410 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 81,799,095 km

• M1: 161,715 km (0.03 R)
• M2: 634,893 km (0.048 R)
• M3: 1,415,944 km (0.086 R)
• M4: 2,081,355 km (0.063 R)
• M5: 2,683,786 km (0.098 R)
• M6: 3,251,809 km (0.077 R)
• M7: 4,498,857 km (0.108 R)
• M8: 5,275,569 km (0.069 R)
• M9: 6,270,844 km (0.039 R)
• M10: 6,989,661 km (0.09 R)
• M11: 7,839,078 km (0.105 R)
• M12: 8,714,974 km (0.118 R)
• M13: 9,788,338 km (0.085 R)
• M14: 10,708,964 km (0.083 R)
• M15: 15,519,433 km (0.09 R)
• M16: 17,686,059 km (0.106 R)
• M17: 18,981,127 km (0.038 R)
• M18: 21,003,691 km (0.112 R)
• M19: 23,326,048 km (0.097 R)
• M20: 24,715,513 km (0.053 R)
• M21: 26,246,198 km (0.065 R)
• M22: 30,252,579 km (0.079 R)
• M23: 32,501,185 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.6

Radius: 8.2

Gravity: 7.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 5.99 AU - 8.59 AU

Year: 6886 Days

Day: 5.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,799,095 km

• M1: 102,026 km (0.075 R)
• M2: 448,046 km (0.072 R)
• M3: 762,800 km (0.118 R)
• M4: 2,091,977 km (0.063 R)
• M5: 2,349,135 km (0.101 R)
• M6: 2,908,482 km (0.12 R)
• M7: 3,781,535 km (0.12 R)
• M8: 4,067,417 km (0.074 R)
• M9: 6,940,294 km (0.106 R)
• M10: 9,530,581 km (0.095 R)
• M11: 10,707,916 km (0.069 R)
• M12: 11,429,726 km (0.074 R)
• M13: 11,827,656 km (0.105 R)
• M14: 13,185,407 km (0.085 R)
• M15: 16,583,373 km (0.065 R)
• M16: 18,824,947 km (0.082 R)
• M17: 23,102,250 km (0.086 R)
• M18: 24,633,234 km (0.095 R)
• M19: 28,891,986 km (0.106 R)
• M20: 31,825,750 km (0.107 R)
• M21: 32,119,710 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.5

Radius: 3.1

Gravity: 55.52 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 14.58 AU - 20.1 AU

Year: 25261 Days

Day: 16.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 81,799,095 km

• M1: 38,596 km (0.03 R)
• M2: 138,677 km (0.105 R)
• M3: 774,319 km (0.106 R)
• M4: 1,410,259 km (0.06 R)
• M5: 1,683,874 km (0.119 R)
• M6: 2,290,493 km (0.078 R)
• M7: 3,057,631 km (0.101 R)
• M8: 3,280,532 km (0.073 R)
• M9: 4,179,914 km (0.091 R)
• M10: 5,429,804 km (0.05 R)
• M11: 5,632,509 km (0.117 R)
• M12: 6,009,945 km (0.094 R)
• M13: 7,689,480 km (0.118 R)
• M14: 9,657,590 km (0.102 R)
• M15: 9,775,922 km (0.05 R)
• M16: 11,468,472 km (0.072 R)
• M17: 12,841,481 km (0.069 R)
• M18: 16,323,372 km (0.058 R)
• M19: 17,698,774 km (0.066 R)
• M20: 18,871,771 km (0.106 R)
• M21: 20,580,029 km (0.118 R)
• M22: 22,492,040 km (0.114 R)
• M23: 22,909,119 km (0.111 R)
• M24: 23,758,685 km (0.063 R)
• M25: 32,502,830 km (0.105 R)
• M26: 37,364,911 km (0.056 R)
• M27: 38,689,151 km (0.1 R)
• M28: 39,589,132 km (0.106 R)
• M29: 48,325,498 km (0.103 R)
• M30: 50,605,070 km (0.087 R)
• M31: 53,692,621 km (0.054 R)
• M32: 53,878,122 km (0.083 R)
• M33: 56,327,787 km (0.099 R)
• M34: 58,850,755 km (0.097 R)
• M35: 61,245,518 km (0.116 R)
• M36: 69,037,024 km (0.076 R)

Kuiper Belt

Range: 31.4 - 51.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 236 - 19,758 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit