🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.62 AU - 0.74 AU

Year: 202 Days

Day: 37.4 Hours

Environment

Temp: 220 °C

Axial Tilt: 23.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,908,754 km

• M1: 130,449 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.75

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.31 AU - 2.07 AU

Year: 791 Days

Day: 16.2 Hours

Environment

Temp: -54 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 86,908,754 km

• M1: 997,519 km (0.083 R)
• M2: 1,471,445 km (0.104 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.18

Radius: 1.37

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.64 AU - 4.92 AU

Year: 3187 Days

Day: 15.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.1

Radius: 8.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 5.67 AU - 5.77 AU

Year: 4923 Days

Day: 5.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,908,754 km

• M1: 105,018 km (0.071 R)
• M2: 385,514 km (0.106 R)
• M3: 681,568 km (0.074 R)
• M4: 999,015 km (0.106 R)
• M5: 1,501,215 km (0.077 R)
• M6: 2,191,459 km (0.103 R)
• M7: 2,474,349 km (0.075 R)
• M8: 3,319,278 km (0.099 R)
• M9: 3,694,469 km (0.063 R)
• M10: 4,097,785 km (0.069 R)
• M11: 4,553,610 km (0.108 R)
• M12: 6,723,826 km (0.069 R)
• M13: 7,326,257 km (0.092 R)
• M14: 8,278,896 km (0.042 R)
• M15: 9,899,340 km (0.09 R)
• M16: 11,765,873 km (0.097 R)
• M17: 13,507,641 km (0.106 R)
• M18: 14,673,307 km (0.115 R)
• M19: 14,935,253 km (0.108 R)
• M20: 17,145,412 km (0.098 R)
• M21: 20,856,187 km (0.105 R)
• M22: 21,657,583 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.5

Radius: 11.7

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.3 AU - 11.5 AU

Year: 10372 Days

Day: 14.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,908,754 km

• M1: 146,008 km (0.111 R)
• M2: 545,583 km (0.106 R)
• M3: 1,086,978 km (0.073 R)
• M4: 2,444,878 km (0.088 R)
• M5: 2,860,311 km (0.079 R)
• M6: 3,560,429 km (0.079 R)
• M7: 4,315,899 km (0.111 R)
• M8: 5,081,241 km (0.099 R)
• M9: 6,655,011 km (0.103 R)
• M10: 9,496,922 km (0.04 R)
• M11: 10,790,794 km (0.1 R)
• M12: 12,655,830 km (0.077 R)
• M13: 13,243,002 km (0.106 R)
• M14: 14,220,325 km (0.103 R)
• M15: 15,179,696 km (0.047 R)
• M16: 21,283,887 km (0.094 R)
• M17: 21,947,055 km (0.105 R)
• M18: 23,841,861 km (0.105 R)
• M19: 24,557,089 km (0.1 R)
• M20: 28,850,398 km (0.115 R)
• M21: 33,065,318 km (0.118 R)
• M22: 34,405,865 km (0.068 R)
• M23: 35,434,649 km (0.119 R)
• M24: 37,915,132 km (0.083 R)
• M25: 41,914,032 km (0.057 R)
• M26: 44,148,725 km (0.093 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 213.8

Radius: 4.9

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 15.52 AU - 20.54 AU

Year: 27553 Days

Day: 18.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 122.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,908,754 km

• M1: 61,186 km (0.101 R)
• M2: 285,134 km (0.077 R)
• M3: 563,984 km (0.1 R)
• M4: 921,672 km (0.046 R)
• M5: 1,601,894 km (0.118 R)
• M6: 5,648,816 km (0.073 R)
• M7: 7,165,439 km (0.064 R)
• M8: 7,898,319 km (0.099 R)
• M9: 9,141,477 km (0.058 R)
• M10: 9,404,919 km (0.028 R)
• M11: 18,666,523 km (0.045 R)
• M12: 19,090,633 km (0.029 R)
• M13: 19,521,176 km (0.098 R)
• M14: 24,490,219 km (0.077 R)
• M15: 28,085,803 km (0.047 R)
• M16: 31,897,108 km (0.037 R)
• M17: 38,306,779 km (0.109 R)
• M18: 40,951,520 km (0.062 R)
• M19: 42,536,958 km (0.066 R)
• M20: 44,915,564 km (0.091 R)
• M21: 54,624,167 km (0.115 R)
• M22: 55,665,667 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 525.5

Radius: 3.3

Gravity: 48.26 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 17.55 AU - 18.79 AU

Year: 27874 Days

Day: 16.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,908,754 km

• M1: 40,990 km (0.026 R)
• M2: 445,652 km (0.087 R)
• M3: 618,288 km (0.104 R)
• M4: 1,867,430 km (0.054 R)
• M5: 2,782,072 km (0.106 R)
• M6: 3,927,393 km (0.101 R)
• M7: 5,076,005 km (0.058 R)
• M8: 5,642,383 km (0.076 R)
• M9: 6,339,958 km (0.107 R)
• M10: 10,074,369 km (0.086 R)
• M11: 10,513,290 km (0.113 R)
• M12: 11,837,380 km (0.041 R)
• M13: 14,572,628 km (0.093 R)
• M14: 18,247,200 km (0.08 R)
• M15: 29,077,039 km (0.07 R)
• M16: 29,964,603 km (0.072 R)
• M17: 32,735,156 km (0.1 R)
• M18: 36,688,429 km (0.116 R)
• M19: 37,873,693 km (0.091 R)

Kuiper Belt

Range: 30.5 - 60.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 13,720 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit