🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.48 AU - 0.76 AU

Year: 181 Days

Day: 23.9 Hours

Environment

Temp: 204 °C

Axial Tilt: 23 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.83 AU - 1.03 AU

Year: 333 Days

Day: 34.1 Hours

Environment

Temp: 36 °C

Axial Tilt: 10.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 40,404,609 km

• M1: 44,431 km (0.11 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.99 AU - 2.47 AU

Year: 1235 Days

Day: 41.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356

Radius: 12.9

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.39 AU - 6.73 AU

Year: 5532 Days

Day: 14.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,404,609 km

• M1: 166,652 km (0.091 R)
• M2: 578,345 km (0.115 R)
• M3: 1,364,632 km (0.093 R)
• M4: 1,887,776 km (0.083 R)
• M5: 4,247,383 km (0.103 R)
• M6: 4,668,950 km (0.105 R)
• M7: 5,488,447 km (0.099 R)
• M8: 5,990,198 km (0.05 R)
• M9: 6,863,401 km (0.119 R)
• M10: 7,281,527 km (0.097 R)
• M11: 10,662,139 km (0.118 R)
• M12: 13,524,844 km (0.118 R)
• M13: 15,404,093 km (0.118 R)
• M14: 17,870,064 km (0.113 R)
• M15: 18,602,794 km (0.116 R)
• M16: 21,190,688 km (0.077 R)
• M17: 24,305,016 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.9

Radius: 8.5

Gravity: 10.05 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 5.53 AU - 6.71 AU

Year: 5615 Days

Day: 9.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,404,609 km

• M1: 106,364 km (0.093 R)
• M2: 391,348 km (0.115 R)
• M3: 661,971 km (0.063 R)
• M4: 1,275,621 km (0.096 R)
• M5: 1,576,462 km (0.114 R)
• M6: 1,868,029 km (0.054 R)
• M7: 2,968,620 km (0.086 R)
• M8: 3,332,741 km (0.079 R)
• M9: 5,125,821 km (0.111 R)
• M10: 5,742,913 km (0.094 R)
• M11: 6,213,248 km (0.04 R)
• M12: 7,779,987 km (0.07 R)
• M13: 10,668,871 km (0.079 R)
• M14: 12,480,352 km (0.088 R)
• M15: 13,486,098 km (0.104 R)
• M16: 16,764,237 km (0.1 R)
• M17: 17,336,448 km (0.052 R)
• M18: 19,896,816 km (0.045 R)
• M19: 21,267,132 km (0.077 R)
• M20: 26,430,653 km (0.072 R)
• M21: 28,441,398 km (0.052 R)
• M22: 32,666,341 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.9

Radius: 10.4

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.53 AU - 9.45 AU

Year: 9174 Days

Day: 14.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,404,609 km

• M1: 131,347 km (0.032 R)
• M2: 560,543 km (0.1 R)
• M3: 1,535,473 km (0.083 R)
• M4: 1,994,289 km (0.085 R)
• M5: 2,543,313 km (0.053 R)
• M6: 3,284,870 km (0.035 R)
• M7: 3,681,005 km (0.093 R)
• M8: 4,026,127 km (0.093 R)
• M9: 5,292,773 km (0.101 R)
• M10: 5,630,265 km (0.093 R)
• M11: 6,966,025 km (0.104 R)
• M12: 8,548,022 km (0.073 R)
• M13: 10,461,379 km (0.109 R)
• M14: 13,938,632 km (0.082 R)
• M15: 15,522,873 km (0.066 R)
• M16: 17,892,803 km (0.102 R)
• M17: 18,424,923 km (0.062 R)
• M18: 23,608,938 km (0.096 R)
• M19: 24,157,064 km (0.113 R)
• M20: 26,337,154 km (0.091 R)
• M21: 37,847,513 km (0.097 R)
• M22: 38,347,021 km (0.064 R)
• M23: 41,968,187 km (0.063 R)
• M24: 43,861,497 km (0.048 R)
• M25: 44,689,970 km (0.068 R)
• M26: 45,811,057 km (0.085 R)
• M27: 46,950,544 km (0.053 R)
• M28: 47,382,732 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382

Radius: 13.2

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.68 AU - 8.94 AU

Year: 9698 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,404,609 km

• M1: 165,605 km (0.084 R)
• M2: 840,740 km (0.114 R)
• M3: 1,510,041 km (0.113 R)
• M4: 2,429,918 km (0.114 R)
• M5: 3,224,433 km (0.098 R)
• M6: 5,150,804 km (0.031 R)
• M7: 9,073,859 km (0.066 R)
• M8: 12,001,788 km (0.11 R)
• M9: 12,590,007 km (0.033 R)
• M10: 13,141,425 km (0.03 R)
• M11: 16,795,203 km (0.079 R)
• M12: 18,011,733 km (0.112 R)
• M13: 19,213,752 km (0.067 R)
• M14: 20,468,579 km (0.054 R)
• M15: 21,231,678 km (0.042 R)
• M16: 26,215,980 km (0.111 R)
• M17: 26,844,141 km (0.055 R)
• M18: 34,111,905 km (0.075 R)
• M19: 35,839,611 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 661.3

Radius: 3.5

Gravity: 53.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 10.44 AU - 14.26 AU

Year: 16096 Days

Day: 16.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,404,609 km

• M1: 49,517 km (0.093 R)
• M2: 319,990 km (0.093 R)
• M3: 503,696 km (0.102 R)
• M4: 663,018 km (0.101 R)
• M5: 1,121,685 km (0.102 R)
• M6: 4,724,450 km (0.116 R)
• M7: 6,372,271 km (0.09 R)
• M8: 9,345,080 km (0.042 R)
• M9: 10,112,218 km (0.106 R)
• M10: 14,299,612 km (0.1 R)
• M11: 15,094,126 km (0.103 R)
• M12: 16,301,680 km (0.046 R)
• M13: 19,164,684 km (0.116 R)
• M14: 27,364,443 km (0.054 R)
• M15: 28,925,197 km (0.118 R)
• M16: 32,837,032 km (0.048 R)
• M17: 37,761,345 km (0.088 R)
• M18: 38,719,070 km (0.088 R)
• M19: 46,345,869 km (0.083 R)
• M20: 50,674,035 km (0.116 R)
• M21: 55,438,877 km (0.075 R)
• M22: 57,210,564 km (0.067 R)
• M23: 65,063,854 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 126.8

Radius: 5.5

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 13.15 AU - 13.45 AU

Year: 17988 Days

Day: 15.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 40,404,609 km

• M1: 68,815 km (0.119 R)
• M2: 540,198 km (0.103 R)
• M3: 1,415,046 km (0.115 R)
• M4: 2,951,416 km (0.118 R)
• M5: 3,867,853 km (0.103 R)
• M6: 7,459,997 km (0.042 R)
• M7: 15,503,276 km (0.084 R)
• M8: 16,413,579 km (0.079 R)
• M9: 18,126,774 km (0.031 R)
• M10: 18,627,029 km (0.115 R)
• M11: 21,110,204 km (0.106 R)
• M12: 23,467,119 km (0.108 R)
• M13: 27,744,272 km (0.093 R)
• M14: 27,932,914 km (0.112 R)
• M15: 32,200,194 km (0.066 R)
• M16: 33,464,146 km (0.087 R)
• M17: 34,108,464 km (0.086 R)
• M18: 35,200,529 km (0.114 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 348 - 11,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit