🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 0.69 AU - 0.81 AU

Year: 233 Days

Day: 17.2 Hours

Environment

Temp: 169 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.69 AU - 2.71 AU

Year: 1169 Days

Day: 26 Hours

Environment

Temp: -68 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,576,866 km

• M1: 153,188 km (0.12 R)

Asteroid Belt

Center: 4.07 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.4

Radius: 12.7

Gravity: 3.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.31 AU - 6.55 AU

Year: 5172 Days

Day: 13.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 162.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,576,866 km

• M1: 157,975 km (0.112 R)
• M2: 576,849 km (0.092 R)
• M3: 1,138,739 km (0.044 R)
• M4: 2,016,579 km (0.044 R)
• M5: 2,587,744 km (0.087 R)
• M6: 3,128,690 km (0.082 R)
• M7: 3,657,668 km (0.117 R)
• M8: 4,081,778 km (0.119 R)
• M9: 5,302,347 km (0.083 R)
• M10: 5,818,310 km (0.092 R)
• M11: 6,367,783 km (0.12 R)
• M12: 8,959,865 km (0.049 R)
• M13: 9,527,589 km (0.117 R)
• M14: 12,237,405 km (0.084 R)
• M15: 15,196,750 km (0.098 R)
• M16: 16,842,476 km (0.056 R)
• M17: 17,961,319 km (0.049 R)
• M18: 19,799,428 km (0.1 R)
• M19: 20,415,921 km (0.086 R)
• M20: 22,269,438 km (0.076 R)
• M21: 24,623,211 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.8

Radius: 10.3

Gravity: 9.12 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 5.12 AU - 7.24 AU

Year: 5502 Days

Day: 8.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,576,866 km

• M1: 128,056 km (0.084 R)
• M2: 543,489 km (0.053 R)
• M3: 901,327 km (0.06 R)
• M4: 2,134,163 km (0.117 R)
• M5: 2,890,680 km (0.072 R)
• M6: 3,299,381 km (0.083 R)
• M7: 4,033,907 km (0.115 R)
• M8: 5,101,287 km (0.086 R)
• M9: 5,669,909 km (0.069 R)
• M10: 6,347,138 km (0.047 R)
• M11: 6,863,251 km (0.117 R)
• M12: 7,259,386 km (0.039 R)
• M13: 8,296,698 km (0.042 R)
• M14: 10,102,793 km (0.094 R)
• M15: 11,544,019 km (0.107 R)
• M16: 12,001,938 km (0.045 R)
• M17: 13,672,797 km (0.102 R)
• M18: 15,493,552 km (0.033 R)
• M19: 17,272,121 km (0.119 R)
• M20: 18,006,797 km (0.098 R)
• M21: 19,467,021 km (0.044 R)
• M22: 21,155,084 km (0.095 R)
• M23: 21,764,545 km (0.096 R)
• M24: 23,259,028 km (0.115 R)
• M25: 23,826,453 km (0.054 R)
• M26: 24,820,680 km (0.096 R)
• M27: 26,276,118 km (0.098 R)
• M28: 26,626,626 km (0.098 R)
• M29: 30,595,308 km (0.06 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 176.8

Radius: 7.1

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 9.84 AU - 16.12 AU

Year: 16749 Days

Day: 17.1 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,576,866 km

• M1: 88,263 km (0.095 R)
• M2: 351,555 km (0.114 R)
• M3: 667,356 km (0.069 R)
• M4: 991,385 km (0.116 R)
• M5: 1,271,432 km (0.089 R)
• M6: 1,717,683 km (0.062 R)
• M7: 2,539,424 km (0.036 R)
• M8: 2,775,938 km (0.06 R)
• M9: 3,362,362 km (0.113 R)
• M10: 3,672,927 km (0.077 R)
• M11: 4,779,502 km (0.113 R)
• M12: 5,887,275 km (0.088 R)
• M13: 10,879,804 km (0.044 R)
• M14: 11,295,537 km (0.064 R)
• M15: 11,667,886 km (0.086 R)
• M16: 12,606,313 km (0.053 R)
• M17: 13,534,718 km (0.119 R)
• M18: 15,461,688 km (0.114 R)
• M19: 19,774,295 km (0.032 R)
• M20: 20,945,796 km (0.118 R)
• M21: 23,170,017 km (0.117 R)
• M22: 25,820,592 km (0.09 R)
• M23: 32,243,727 km (0.042 R)
• M24: 36,567,554 km (0.091 R)
• M25: 37,265,278 km (0.038 R)
• M26: 38,328,620 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 141.8

Radius: 3.6

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 16.71 AU - 18.07 AU

Year: 25973 Days

Day: 17.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,576,866 km

• M1: 50,714 km (0.096 R)
• M2: 268,229 km (0.055 R)
• M3: 1,158,037 km (0.06 R)
• M4: 1,297,014 km (0.089 R)
• M5: 1,548,787 km (0.084 R)
• M6: 1,798,914 km (0.038 R)
• M7: 4,390,698 km (0.069 R)
• M8: 5,891,314 km (0.065 R)
• M9: 6,656,357 km (0.06 R)
• M10: 7,702,794 km (0.12 R)
• M11: 8,568,218 km (0.1 R)
• M12: 9,445,909 km (0.068 R)
• M13: 10,543,658 km (0.063 R)
• M14: 11,899,164 km (0.12 R)
• M15: 12,496,808 km (0.072 R)
• M16: 14,678,244 km (0.062 R)
• M17: 20,360,420 km (0.112 R)
• M18: 27,970,314 km (0.05 R)
• M19: 28,811,204 km (0.065 R)
• M20: 29,994,672 km (0.087 R)
• M21: 33,152,833 km (0.072 R)
• M22: 35,417,445 km (0.114 R)
• M23: 41,729,578 km (0.031 R)
• M24: 42,964,957 km (0.077 R)
• M25: 48,751,104 km (0.095 R)

Kuiper Belt

Range: 30.6 - 54.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 12,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit