🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.56 AU - 0.62 AU

Year: 162 Days

Day: 17.3 Hours

Environment

Temp: 230 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.19 AU - 1.31 AU

Year: 501 Days

Day: 12.5 Hours

Environment

Temp: 9 °C

Axial Tilt: 16 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.25 AU - 1.45 AU

Year: 562 Days

Day: 20.2 Hours

Environment

Temp: 5 °C

Axial Tilt: 13.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.13

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.45 AU - 1.53 AU

Year: 651 Days

Day: 28.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 67,325,796 km

• M1: 43,533 km (0.107 R)
• M2: 538,104 km (0.052 R)

Asteroid Belt

Center: 2.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 3.29 AU - 3.71 AU

Year: 2345 Days

Day: 17 Hours

Environment

Temp: -113 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.18 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.5

Radius: 8.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 5.23 AU - 8.49 AU

Year: 6435 Days

Day: 5.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,325,796 km

• M1: 232,325 km (0.101 R)
• M2: 487,539 km (0.082 R)
• M3: 1,054,216 km (0.097 R)
• M4: 2,211,356 km (0.103 R)
• M5: 3,707,933 km (0.085 R)
• M6: 7,633,082 km (0.095 R)
• M7: 8,015,454 km (0.069 R)
• M8: 8,348,908 km (0.115 R)
• M9: 9,471,939 km (0.043 R)
• M10: 10,948,919 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.7

Radius: 13.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 9.07 AU - 12.49 AU

Year: 12677 Days

Day: 12.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 67,325,796 km

• M1: 172,935 km (0.095 R)
• M2: 2,274,486 km (0.043 R)
• M3: 3,622,064 km (0.1 R)
• M4: 4,104,666 km (0.104 R)
• M5: 4,859,687 km (0.108 R)
• M6: 6,086,240 km (0.084 R)
• M7: 6,689,119 km (0.046 R)
• M8: 7,199,996 km (0.071 R)
• M9: 8,348,608 km (0.073 R)
• M10: 9,776,520 km (0.066 R)
• M11: 12,594,495 km (0.079 R)
• M12: 13,375,994 km (0.076 R)
• M13: 14,120,693 km (0.095 R)
• M14: 15,398,707 km (0.048 R)
• M15: 17,538,106 km (0.117 R)
• M16: 20,218,152 km (0.12 R)
• M17: 21,747,940 km (0.08 R)
• M18: 22,399,738 km (0.069 R)
• M19: 22,968,808 km (0.11 R)
• M20: 24,037,236 km (0.114 R)
• M21: 25,753,124 km (0.061 R)
• M22: 27,657,804 km (0.059 R)
• M23: 32,706,134 km (0.107 R)
• M24: 33,809,568 km (0.057 R)
• M25: 37,401,412 km (0.12 R)
• M26: 38,068,619 km (0.026 R)
• M27: 42,383,620 km (0.12 R)
• M28: 43,990,151 km (0.103 R)
• M29: 44,584,205 km (0.032 R)
• M30: 45,485,382 km (0.068 R)
• M31: 48,894,119 km (0.1 R)
• M32: 53,305,910 km (0.116 R)
• M33: 57,267,710 km (0.072 R)
• M34: 58,154,377 km (0.093 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 297.5

Radius: 6.4

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 15.23 AU - 18.91 AU

Year: 25259 Days

Day: 15.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,325,796 km

• M1: 104,719 km (0.093 R)
• M2: 325,226 km (0.081 R)
• M3: 548,127 km (0.04 R)
• M4: 997,668 km (0.07 R)
• M5: 1,539,960 km (0.097 R)
• M6: 2,746,019 km (0.092 R)
• M7: 5,614,857 km (0.116 R)
• M8: 8,999,808 km (0.034 R)
• M9: 10,492,944 km (0.089 R)
• M10: 11,952,421 km (0.096 R)
• M11: 13,200,067 km (0.117 R)
• M12: 14,532,236 km (0.061 R)
• M13: 19,063,257 km (0.06 R)
• M14: 21,693,786 km (0.037 R)
• M15: 23,343,252 km (0.102 R)
• M16: 26,132,205 km (0.095 R)
• M17: 26,563,346 km (0.107 R)
• M18: 26,889,918 km (0.106 R)
• M19: 29,715,672 km (0.061 R)
• M20: 30,422,223 km (0.11 R)
• M21: 32,733,510 km (0.078 R)
• M22: 36,215,550 km (0.083 R)
• M23: 36,482,882 km (0.096 R)
• M24: 37,292,804 km (0.119 R)
• M25: 37,839,435 km (0.077 R)
• M26: 42,405,910 km (0.082 R)
• M27: 43,451,599 km (0.079 R)
• M28: 50,754,369 km (0.07 R)
• M29: 54,169,539 km (0.101 R)
• M30: 65,131,023 km (0.102 R)

Kuiper Belt

Range: 30.6 - 45.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 427 - 13,547 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit