🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.41 AU - 0.59 AU

Year: 232 Days

Day: 19.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,885,618 km

• M1: 36,801 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 13.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.74 AU - 0.76 AU

Year: 426 Days

Day: 10 Hours

Environment

Temp: -140 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 21,885,618 km

• M1: 170,392 km (0.077 R)
• M2: 600,785 km (0.109 R)
• M3: 1,155,793 km (0.113 R)
• M4: 1,668,016 km (0.048 R)
• M5: 2,242,771 km (0.069 R)
• M6: 2,737,791 km (0.11 R)
• M7: 3,424,744 km (0.112 R)
• M8: 4,351,802 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338.2

Radius: 14.4

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.08 AU - 1.2 AU

Year: 798 Days

Day: 10.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,885,618 km

• M1: 179,218 km (0.108 R)
• M2: 637,287 km (0.114 R)
• M3: 1,103,284 km (0.093 R)
• M4: 1,643,033 km (0.089 R)
• M5: 2,165,130 km (0.101 R)
• M6: 2,691,864 km (0.06 R)
• M7: 3,172,372 km (0.079 R)
• M8: 3,803,825 km (0.042 R)
• M9: 4,533,414 km (0.114 R)
• M10: 5,475,132 km (0.09 R)
• M11: 5,956,239 km (0.112 R)
• M12: 6,427,024 km (0.095 R)

Asteroid Belt

Center: 2.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281.9

Radius: 9.3

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.64 AU - 4.02 AU

Year: 3986 Days

Day: 12.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,885,618 km

• M1: 136,583 km (0.053 R)
• M2: 449,093 km (0.062 R)
• M3: 952,938 km (0.104 R)
• M4: 1,558,211 km (0.087 R)
• M5: 2,134,163 km (0.117 R)
• M6: 2,486,466 km (0.111 R)
• M7: 3,223,086 km (0.081 R)
• M8: 3,651,983 km (0.106 R)
• M9: 5,007,490 km (0.051 R)
• M10: 6,204,871 km (0.117 R)
• M11: 6,957,049 km (0.099 R)
• M12: 7,370,388 km (0.045 R)
• M13: 14,486,011 km (0.044 R)
• M14: 15,957,904 km (0.039 R)
• M15: 16,887,655 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.3

Radius: 14

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.52 AU - 4.38 AU

Year: 5150 Days

Day: 14.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 21,885,618 km

• M1: 176,675 km (0.093 R)
• M2: 709,244 km (0.041 R)
• M3: 1,415,495 km (0.1 R)
• M4: 2,067,443 km (0.068 R)
• M5: 2,869,886 km (0.115 R)
• M6: 3,946,392 km (0.115 R)
• M7: 7,838,629 km (0.064 R)
• M8: 8,776,159 km (0.064 R)
• M9: 11,960,499 km (0.088 R)
• M10: 15,606,349 km (0.112 R)
• M11: 16,386,053 km (0.082 R)
• M12: 17,293,963 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 271.5

Radius: 3.5

Gravity: 22.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 8.93 AU - 9.61 AU

Year: 18515 Days

Day: 16.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 21,885,618 km

• M1: 43,683 km (0.109 R)
• M2: 248,781 km (0.081 R)
• M3: 390,450 km (0.063 R)
• M4: 507,286 km (0.067 R)
• M5: 723,156 km (0.04 R)
• M6: 1,146,668 km (0.117 R)
• M7: 1,433,297 km (0.116 R)
• M8: 1,717,384 km (0.105 R)
• M9: 2,037,822 km (0.069 R)
• M10: 2,752,302 km (0.106 R)
• M11: 2,908,631 km (0.078 R)
• M12: 3,142,004 km (0.104 R)
• M13: 3,464,088 km (0.1 R)
• M14: 4,231,675 km (0.112 R)
• M15: 4,500,951 km (0.113 R)
• M16: 5,983,616 km (0.057 R)
• M17: 7,289,156 km (0.11 R)
• M18: 11,616,574 km (0.053 R)
• M19: 15,713,910 km (0.12 R)
• M20: 17,243,399 km (0.082 R)
• M21: 17,851,364 km (0.086 R)
• M22: 19,596,573 km (0.083 R)
• M23: 20,510,317 km (0.088 R)
• M24: 22,963,872 km (0.118 R)
• M25: 26,098,246 km (0.088 R)
• M26: 28,759,891 km (0.092 R)
• M27: 30,374,800 km (0.118 R)
• M28: 31,484,368 km (0.12 R)
• M29: 34,854,509 km (0.095 R)
• M30: 52,140,842 km (0.061 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 18.3

Radius: 4.9

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.21 AU - 9.57 AU

Year: 18876 Days

Day: 16.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 21,885,618 km

• M1: 60,886 km (0.051 R)
• M2: 519,853 km (0.088 R)
• M3: 782,846 km (0.051 R)
• M4: 964,906 km (0.039 R)
• M5: 1,857,407 km (0.055 R)
• M6: 2,326,845 km (0.099 R)
• M7: 4,430,341 km (0.066 R)
• M8: 4,658,178 km (0.066 R)
• M9: 5,063,589 km (0.075 R)
• M10: 5,702,072 km (0.093 R)
• M11: 8,139,321 km (0.108 R)
• M12: 8,762,246 km (0.088 R)
• M13: 9,490,938 km (0.112 R)
• M14: 9,947,211 km (0.116 R)
• M15: 13,991,141 km (0.112 R)
• M16: 20,165,195 km (0.109 R)
• M17: 20,414,125 km (0.072 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 14,504 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit