🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.45 AU - 0.57 AU

Year: 139 Days

Day: 29.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 2.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.75 AU - 1.07 AU

Year: 332 Days

Day: 28.6 Hours

Environment

Temp: 9 °C

Axial Tilt: 33.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.37 AU - 1.37 AU

Year: 614 Days

Day: 34.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,878,933 km

• M1: 41,439 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 14.1

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.67 AU - 5.09 AU

Year: 3510 Days

Day: 13.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,878,933 km

• M1: 175,329 km (0.032 R)
• M2: 674,986 km (0.117 R)
• M3: 1,192,893 km (0.061 R)
• M4: 1,982,920 km (0.097 R)
• M5: 3,917,370 km (0.119 R)
• M6: 4,565,727 km (0.098 R)
• M7: 5,923,926 km (0.094 R)
• M8: 6,808,947 km (0.044 R)
• M9: 8,315,846 km (0.105 R)
• M10: 8,943,559 km (0.114 R)
• M11: 12,654,334 km (0.045 R)
• M12: 13,892,556 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.8

Radius: 8.1

Gravity: 9.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 5.8 AU - 8.8 AU

Year: 7552 Days

Day: 10.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 45,878,933 km

• M1: 100,979 km (0.099 R)
• M2: 363,672 km (0.059 R)
• M3: 652,845 km (0.105 R)
• M4: 1,012,030 km (0.087 R)
• M5: 1,948,811 km (0.101 R)
• M6: 2,925,536 km (0.098 R)
• M7: 3,396,620 km (0.085 R)
• M8: 3,942,203 km (0.087 R)
• M9: 4,490,330 km (0.1 R)
• M10: 5,028,882 km (0.112 R)
• M11: 5,578,355 km (0.09 R)
• M12: 5,933,351 km (0.103 R)
• M13: 6,234,940 km (0.051 R)
• M14: 8,183,153 km (0.093 R)
• M15: 9,030,326 km (0.092 R)
• M16: 9,430,051 km (0.091 R)
• M17: 10,651,668 km (0.117 R)
• M18: 11,402,649 km (0.037 R)
• M19: 11,975,459 km (0.108 R)
• M20: 13,122,127 km (0.106 R)
• M21: 13,809,230 km (0.111 R)
• M22: 14,946,174 km (0.114 R)
• M23: 16,932,983 km (0.119 R)
• M24: 17,678,429 km (0.112 R)
• M25: 20,046,414 km (0.096 R)
• M26: 21,658,630 km (0.102 R)
• M27: 22,617,852 km (0.051 R)
• M28: 26,648,318 km (0.088 R)
• M29: 31,334,471 km (0.118 R)
• M30: 32,353,980 km (0.091 R)
• M31: 34,137,785 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.9

Radius: 6.3

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 10.4 AU - 15.66 AU

Year: 18009 Days

Day: 19.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,878,933 km

• M1: 80,484 km (0.113 R)
• M2: 304,282 km (0.111 R)
• M3: 555,457 km (0.104 R)
• M4: 1,373,308 km (0.062 R)
• M5: 1,815,819 km (0.108 R)
• M6: 2,108,881 km (0.118 R)
• M7: 2,349,135 km (0.104 R)
• M8: 3,233,259 km (0.117 R)
• M9: 3,498,945 km (0.044 R)
• M10: 4,014,160 km (0.037 R)
• M11: 5,053,117 km (0.097 R)
• M12: 5,411,703 km (0.063 R)
• M13: 6,179,888 km (0.1 R)
• M14: 6,632,122 km (0.083 R)
• M15: 9,932,102 km (0.07 R)
• M16: 10,380,895 km (0.062 R)
• M17: 10,901,646 km (0.102 R)
• M18: 11,439,749 km (0.034 R)
• M19: 11,932,824 km (0.062 R)
• M20: 14,257,575 km (0.088 R)
• M21: 16,710,980 km (0.086 R)
• M22: 17,105,769 km (0.039 R)
• M23: 17,996,025 km (0.052 R)
• M24: 21,309,618 km (0.096 R)
• M25: 24,196,708 km (0.118 R)
• M26: 26,686,315 km (0.097 R)
• M27: 26,901,138 km (0.05 R)
• M28: 32,289,354 km (0.03 R)
• M29: 35,041,805 km (0.112 R)
• M30: 40,439,596 km (0.029 R)
• M31: 40,723,084 km (0.044 R)
• M32: 45,749,123 km (0.108 R)
• M33: 46,988,990 km (0.091 R)
• M34: 51,671,254 km (0.116 R)
• M35: 55,949,604 km (0.049 R)
• M36: 63,850,166 km (0.032 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141

Radius: 6.8

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 13.43 AU - 15.11 AU

Year: 20640 Days

Day: 17.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,878,933 km

• M1: 84,672 km (0.098 R)
• M2: 321,635 km (0.054 R)
• M3: 1,284,298 km (0.119 R)
• M4: 1,613,413 km (0.113 R)
• M5: 1,916,349 km (0.116 R)
• M6: 2,329,837 km (0.091 R)
• M7: 3,624,906 km (0.084 R)
• M8: 8,520,796 km (0.027 R)
• M9: 14,168,414 km (0.053 R)
• M10: 14,547,346 km (0.085 R)
• M11: 15,391,527 km (0.05 R)
• M12: 19,481,383 km (0.118 R)
• M13: 21,649,654 km (0.094 R)
• M14: 25,986,347 km (0.119 R)
• M15: 36,800,927 km (0.053 R)
• M16: 40,854,281 km (0.08 R)
• M17: 44,788,705 km (0.07 R)
• M18: 45,604,761 km (0.096 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: 519 - 18,347 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit