🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.91 AU - 1.07 AU

Year: 373 Days

Day: 23.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 45.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 1.21 AU - 1.69 AU

Year: 661 Days

Day: 14.3 Hours

Environment

Temp: -40 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,333,458 km

• M1: 132,993 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.5

Radius: 12.1

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.69 AU - 11.67 AU

Year: 12302 Days

Day: 7.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 99,333,458 km

• M1: 150,495 km (0.07 R)
• M2: 766,689 km (0.083 R)
• M3: 1,917,546 km (0.106 R)
• M4: 4,019,844 km (0.086 R)
• M5: 6,468,762 km (0.031 R)
• M6: 7,750,217 km (0.12 R)
• M7: 9,117,990 km (0.072 R)
• M8: 10,431,310 km (0.089 R)
• M9: 12,894,588 km (0.091 R)
• M10: 14,546,299 km (0.116 R)
• M11: 15,613,530 km (0.113 R)
• M12: 16,904,559 km (0.093 R)
• M13: 18,023,851 km (0.094 R)
• M14: 20,606,508 km (0.112 R)
• M15: 21,951,842 km (0.117 R)
• M16: 24,445,938 km (0.072 R)
• M17: 25,191,833 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 16.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.6

Radius: 7.3

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 12.33 AU - 19.95 AU

Year: 24559 Days

Day: 19.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 99,333,458 km

• M1: 90,956 km (0.104 R)
• M2: 448,345 km (0.099 R)
• M3: 777,311 km (0.066 R)
• M4: 1,004,550 km (0.082 R)
• M5: 2,223,473 km (0.112 R)
• M6: 3,490,866 km (0.076 R)
• M7: 4,155,679 km (0.074 R)
• M8: 4,799,848 km (0.048 R)
• M9: 5,888,172 km (0.053 R)
• M10: 6,407,726 km (0.072 R)
• M11: 6,870,731 km (0.09 R)
• M12: 8,643,615 km (0.106 R)
• M13: 10,299,963 km (0.117 R)
• M14: 13,467,997 km (0.066 R)
• M15: 14,870,178 km (0.066 R)
• M16: 16,136,225 km (0.08 R)
• M17: 18,292,528 km (0.025 R)
• M18: 18,711,851 km (0.119 R)
• M19: 29,070,008 km (0.115 R)
• M20: 33,600,430 km (0.116 R)
• M21: 37,898,227 km (0.1 R)
• M22: 40,531,897 km (0.085 R)
• M23: 42,548,776 km (0.086 R)
• M24: 42,842,287 km (0.071 R)
• M25: 48,678,399 km (0.118 R)
• M26: 50,297,796 km (0.106 R)
• M27: 52,288,196 km (0.058 R)
• M28: 57,851,441 km (0.106 R)
• M29: 58,754,863 km (0.066 R)
• M30: 62,273,854 km (0.052 R)

Planet 5 - Ice Giant

Semi-Major Axis: 18.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.5

Radius: 7.7

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 15.01 AU - 22.75 AU

Year: 31071 Days

Day: 18.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 99,333,458 km

• M1: 95,743 km (0.044 R)
• M2: 410,945 km (0.092 R)
• M3: 704,008 km (0.079 R)
• M4: 950,694 km (0.089 R)
• M5: 1,241,214 km (0.095 R)
• M6: 1,799,962 km (0.09 R)
• M7: 2,591,933 km (0.099 R)
• M8: 2,967,124 km (0.116 R)
• M9: 3,565,665 km (0.107 R)
• M10: 3,996,208 km (0.108 R)
• M11: 5,714,938 km (0.106 R)
• M12: 6,211,752 km (0.118 R)
• M13: 6,786,208 km (0.053 R)
• M14: 7,395,670 km (0.088 R)
• M15: 8,041,035 km (0.086 R)
• M16: 9,567,382 km (0.092 R)
• M17: 11,770,959 km (0.093 R)
• M18: 12,952,483 km (0.086 R)
• M19: 15,549,203 km (0.057 R)
• M20: 19,060,414 km (0.032 R)
• M21: 21,317,397 km (0.034 R)
• M22: 21,962,613 km (0.102 R)
• M23: 24,091,839 km (0.111 R)
• M24: 25,746,242 km (0.042 R)
• M25: 27,098,158 km (0.066 R)
• M26: 30,751,787 km (0.105 R)
• M27: 31,992,701 km (0.084 R)
• M28: 33,698,566 km (0.038 R)
• M29: 35,915,008 km (0.106 R)
• M30: 38,069,816 km (0.104 R)
• M31: 39,178,785 km (0.049 R)
• M32: 43,315,764 km (0.102 R)
• M33: 46,110,701 km (0.082 R)
• M34: 46,468,390 km (0.11 R)
• M35: 66,805,472 km (0.063 R)
• M36: 67,954,234 km (0.046 R)
• M37: 75,372,494 km (0.116 R)
• M38: 77,119,198 km (0.115 R)
• M39: 88,169,544 km (0.119 R)
• M40: 95,803,673 km (0.07 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: 359 - 11,631 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit