🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.45 AU - 0.61 AU

Year: 145 Days

Day: 21.9 Hours

Environment

Temp: 143 °C

Axial Tilt: 1.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.72 AU - 1.04 AU

Year: 311 Days

Day: 30.1 Hours

Environment

Temp: 41 °C

Axial Tilt: 69.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.97 AU - 1.01 AU

Year: 371 Days

Day: 34 Hours

Environment

Temp: 30 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.04

Radius: 1.02

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.07 AU - 1.61 AU

Year: 584 Days

Day: 20.8 Hours

Environment

Temp: -42 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,695,333 km

• M1: 197,768 km (0.12 R)

Asteroid Belt

Center: 1.67 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.52 AU - 2.46 AU

Year: 1058 Days

Day: 23.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 20.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.4

Radius: 10.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 5.24 AU - 5.86 AU

Year: 4926 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 76,695,333 km

• M1: 146,307 km (0.105 R)
• M2: 482,453 km (0.115 R)
• M3: 819,497 km (0.062 R)
• M4: 1,462,319 km (0.071 R)
• M5: 2,012,690 km (0.035 R)
• M6: 2,384,141 km (0.046 R)
• M7: 2,854,926 km (0.105 R)
• M8: 3,894,631 km (0.094 R)
• M9: 6,295,976 km (0.079 R)
• M10: 8,486,837 km (0.079 R)
• M11: 9,026,586 km (0.106 R)
• M12: 10,389,871 km (0.089 R)
• M13: 11,697,058 km (0.045 R)
• M14: 12,611,101 km (0.089 R)
• M15: 13,520,207 km (0.105 R)
• M16: 13,885,375 km (0.103 R)
• M17: 15,983,934 km (0.054 R)
• M18: 16,569,610 km (0.09 R)
• M19: 16,927,897 km (0.11 R)
• M20: 21,008,179 km (0.119 R)
• M21: 21,640,080 km (0.094 R)
• M22: 23,462,032 km (0.083 R)
• M23: 27,160,241 km (0.046 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 606.3

Radius: 11.8

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.81 AU - 7.13 AU

Year: 5495 Days

Day: 13.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 76,695,333 km

• M1: 150,196 km (0.11 R)
• M2: 644,318 km (0.118 R)
• M3: 1,018,612 km (0.091 R)
• M4: 1,487,003 km (0.071 R)
• M5: 2,069,537 km (0.11 R)
• M6: 3,316,884 km (0.085 R)
• M7: 3,696,115 km (0.083 R)
• M8: 4,222,998 km (0.117 R)
• M9: 4,618,834 km (0.1 R)
• M10: 6,784,263 km (0.07 R)
• M11: 7,294,691 km (0.083 R)
• M12: 8,015,005 km (0.085 R)
• M13: 8,469,483 km (0.093 R)
• M14: 9,306,484 km (0.089 R)
• M15: 10,686,973 km (0.119 R)
• M16: 11,285,215 km (0.085 R)
• M17: 12,751,124 km (0.114 R)
• M18: 14,561,857 km (0.063 R)
• M19: 15,182,837 km (0.092 R)
• M20: 18,036,866 km (0.095 R)
• M21: 18,621,644 km (0.066 R)
• M22: 19,286,157 km (0.041 R)
• M23: 20,242,985 km (0.036 R)
• M24: 28,628,694 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 988.4

Radius: 6.7

Gravity: 22.02 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 9.78 AU - 15.42 AU

Year: 16849 Days

Day: 23.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 76,695,333 km

• M1: 83,326 km (0.032 R)
• M2: 298,149 km (0.05 R)
• M3: 568,472 km (0.103 R)
• M4: 1,129,165 km (0.076 R)
• M5: 4,188,441 km (0.076 R)
• M6: 4,949,745 km (0.1 R)
• M7: 5,402,278 km (0.118 R)
• M8: 5,923,028 km (0.112 R)
• M9: 7,158,109 km (0.118 R)
• M10: 7,443,541 km (0.067 R)
• M11: 7,687,236 km (0.091 R)
• M12: 10,793,486 km (0.078 R)
• M13: 15,658,409 km (0.115 R)
• M14: 16,466,537 km (0.117 R)
• M15: 16,880,923 km (0.084 R)
• M16: 17,990,939 km (0.031 R)
• M17: 19,422,890 km (0.044 R)
• M18: 20,736,808 km (0.114 R)
• M19: 21,122,920 km (0.08 R)
• M20: 21,612,105 km (0.1 R)
• M21: 25,802,192 km (0.078 R)
• M22: 29,642,369 km (0.08 R)
• M23: 33,847,117 km (0.112 R)
• M24: 36,300,073 km (0.052 R)
• M25: 37,143,356 km (0.111 R)
• M26: 37,999,654 km (0.107 R)
• M27: 46,966,850 km (0.109 R)
• M28: 47,632,560 km (0.072 R)
• M29: 50,881,228 km (0.09 R)
• M30: 54,640,473 km (0.064 R)
• M31: 56,306,694 km (0.119 R)
• M32: 59,351,908 km (0.095 R)
• M33: 62,706,042 km (0.077 R)
• M34: 64,736,833 km (0.088 R)
• M35: 66,392,732 km (0.032 R)
• M36: 71,529,773 km (0.112 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 220 - 15,754 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit