🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.55 AU - 0.57 AU

Year: 190 Days

Day: 18.7 Hours

Environment

Temp: -2 °C

Axial Tilt: 6.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.04 AU - 1.46 AU

Year: 633 Days

Day: 24.1 Hours

Environment

Temp: -98 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,890,737 km

• M1: 38,297 km (0.113 R)

Asteroid Belt

Center: 1.76 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 13.3

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.91 AU - 2.63 AU

Year: 1549 Days

Day: 6.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,890,737 km

• M1: 165,455 km (0.079 R)
• M2: 581,487 km (0.088 R)
• M3: 1,084,136 km (0.102 R)
• M4: 1,618,350 km (0.031 R)
• M5: 2,532,094 km (0.069 R)
• M6: 2,965,030 km (0.108 R)
• M7: 4,763,645 km (0.11 R)
• M8: 5,644,178 km (0.074 R)
• M9: 7,177,855 km (0.12 R)
• M10: 7,648,191 km (0.03 R)
• M11: 8,139,022 km (0.118 R)
• M12: 10,781,668 km (0.111 R)
• M13: 11,434,962 km (0.067 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.8

Radius: 9.1

Gravity: 7.92 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.39 AU - 2.47 AU

Year: 1716 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,890,737 km

• M1: 113,096 km (0.076 R)
• M2: 455,376 km (0.101 R)
• M3: 1,177,934 km (0.054 R)
• M4: 1,616,106 km (0.105 R)
• M5: 1,911,861 km (0.115 R)
• M6: 2,561,265 km (0.067 R)
• M7: 2,996,445 km (0.112 R)
• M8: 3,447,633 km (0.113 R)
• M9: 3,997,554 km (0.114 R)
• M10: 4,684,957 km (0.027 R)
• M11: 4,972,633 km (0.106 R)
• M12: 5,584,040 km (0.036 R)
• M13: 6,293,732 km (0.034 R)
• M14: 6,644,838 km (0.095 R)
• M15: 7,834,740 km (0.073 R)
• M16: 9,192,640 km (0.087 R)
• M17: 10,490,999 km (0.096 R)
• M18: 12,136,426 km (0.106 R)
• M19: 14,031,682 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 950.9

Radius: 4.3

Gravity: 51.43 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 9.64 AU - 9.96 AU

Year: 13899 Days

Day: 21.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 37,890,737 km

• M1: 54,005 km (0.078 R)
• M2: 742,903 km (0.117 R)
• M3: 884,423 km (0.089 R)
• M4: 1,814,323 km (0.085 R)
• M5: 2,423,037 km (0.05 R)
• M6: 3,704,642 km (0.1 R)
• M7: 5,838,356 km (0.11 R)
• M8: 6,657,704 km (0.051 R)
• M9: 6,830,340 km (0.101 R)
• M10: 9,903,678 km (0.118 R)
• M11: 12,969,088 km (0.106 R)
• M12: 13,103,427 km (0.117 R)
• M13: 13,858,747 km (0.12 R)
• M14: 15,531,251 km (0.054 R)
• M15: 16,770,819 km (0.087 R)
• M16: 21,347,018 km (0.084 R)
• M17: 21,817,503 km (0.066 R)
• M18: 24,682,901 km (0.113 R)
• M19: 28,124,998 km (0.07 R)
• M20: 28,350,143 km (0.071 R)
• M21: 29,843,130 km (0.041 R)
• M22: 30,787,541 km (0.119 R)
• M23: 34,635,348 km (0.103 R)
• M24: 40,917,262 km (0.06 R)
• M25: 41,496,804 km (0.116 R)
• M26: 47,757,026 km (0.075 R)
• M27: 56,385,382 km (0.064 R)
• M28: 59,292,218 km (0.096 R)
• M29: 60,034,374 km (0.098 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 5.1

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 9.84 AU - 10.24 AU

Year: 14412 Days

Day: 23.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 37,890,737 km

• M1: 64,477 km (0.057 R)
• M2: 466,147 km (0.117 R)
• M3: 736,022 km (0.058 R)
• M4: 967,001 km (0.112 R)
• M5: 1,550,133 km (0.114 R)
• M6: 1,755,830 km (0.042 R)
• M7: 2,728,216 km (0.059 R)
• M8: 3,241,935 km (0.098 R)
• M9: 3,487,575 km (0.113 R)
• M10: 4,848,766 km (0.073 R)
• M11: 5,051,770 km (0.112 R)
• M12: 5,443,867 km (0.055 R)
• M13: 6,322,604 km (0.083 R)
• M14: 7,142,850 km (0.104 R)
• M15: 8,234,166 km (0.051 R)
• M16: 8,440,162 km (0.092 R)
• M17: 10,166,671 km (0.06 R)
• M18: 10,547,996 km (0.038 R)
• M19: 11,338,920 km (0.093 R)
• M20: 13,431,346 km (0.083 R)
• M21: 13,602,186 km (0.057 R)
• M22: 14,300,360 km (0.084 R)
• M23: 16,800,140 km (0.104 R)
• M24: 21,304,083 km (0.087 R)
• M25: 21,927,906 km (0.097 R)
• M26: 28,288,060 km (0.091 R)
• M27: 30,983,514 km (0.092 R)
• M28: 31,282,112 km (0.117 R)
• M29: 32,087,696 km (0.051 R)
• M30: 33,010,416 km (0.079 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 16,706 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit