🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.6

Radius: 9.4

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.71 AU - 2.63 AU

Year: 2206 Days

Day: 14.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,104,736 km

• M1: 116,986 km (0.099 R)
• M2: 431,141 km (0.03 R)
• M3: 1,007,242 km (0.025 R)
• M4: 1,493,884 km (0.101 R)
• M5: 1,969,007 km (0.111 R)
• M6: 2,303,508 km (0.117 R)
• M7: 2,924,938 km (0.032 R)
• M8: 3,470,371 km (0.058 R)
• M9: 3,922,755 km (0.028 R)
• M10: 4,946,154 km (0.102 R)
• M11: 5,620,242 km (0.106 R)
• M12: 6,058,564 km (0.052 R)
• M13: 6,773,044 km (0.083 R)
• M14: 8,468,436 km (0.107 R)
• M15: 11,013,545 km (0.047 R)
• M16: 12,763,840 km (0.109 R)
• M17: 13,567,928 km (0.079 R)
• M18: 14,885,587 km (0.096 R)
• M19: 17,501,305 km (0.105 R)
• M20: 18,437,339 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 11.1

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.31 AU - 4.87 AU

Year: 5709 Days

Day: 10.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,104,736 km

• M1: 138,079 km (0.087 R)
• M2: 531,222 km (0.111 R)
• M3: 2,347,041 km (0.039 R)
• M4: 2,698,147 km (0.097 R)
• M5: 3,780,787 km (0.111 R)
• M6: 6,699,591 km (0.099 R)
• M7: 7,151,377 km (0.109 R)
• M8: 7,775,050 km (0.117 R)
• M9: 8,629,852 km (0.099 R)
• M10: 10,451,356 km (0.118 R)
• M11: 10,905,834 km (0.118 R)
• M12: 16,203,993 km (0.111 R)
• M13: 17,970,295 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701

Radius: 11.5

Gravity: 5.3 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.82 AU - 5.26 AU

Year: 6677 Days

Day: 8 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,104,736 km

• M1: 147,952 km (0.06 R)
• M2: 572,960 km (0.06 R)
• M3: 1,549,834 km (0.096 R)
• M4: 2,732,405 km (0.091 R)
• M5: 4,574,404 km (0.109 R)
• M6: 6,159,094 km (0.116 R)
• M7: 6,772,744 km (0.079 R)
• M8: 7,577,731 km (0.109 R)
• M9: 9,915,048 km (0.12 R)
• M10: 10,758,929 km (0.111 R)
• M11: 11,700,947 km (0.119 R)
• M12: 18,060,502 km (0.073 R)
• M13: 23,279,373 km (0.077 R)
• M14: 24,852,545 km (0.114 R)
• M15: 27,029,044 km (0.11 R)
• M16: 27,660,646 km (0.058 R)
• M17: 28,672,825 km (0.069 R)
• M18: 33,691,086 km (0.063 R)
• M19: 35,486,111 km (0.075 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.3

Radius: 4.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 5.29 AU - 6.29 AU

Year: 9617 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 34,104,736 km

• M1: 1,767,798 km (0.107 R)
• M2: 2,887,688 km (0.056 R)
• M3: 3,676,966 km (0.079 R)
• M4: 3,905,552 km (0.107 R)
• M5: 4,793,116 km (0.082 R)
• M6: 6,204,572 km (0.109 R)
• M7: 7,503,829 km (0.118 R)
• M8: 11,048,551 km (0.082 R)
• M9: 12,333,896 km (0.064 R)
• M10: 13,084,129 km (0.079 R)
• M11: 14,469,405 km (0.109 R)
• M12: 20,991,723 km (0.115 R)
• M13: 22,468,703 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.4

Radius: 7.7

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.3 AU - 8.44 AU

Year: 12429 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,104,736 km

• M1: 101,727 km (0.082 R)
• M2: 515,065 km (0.056 R)
• M3: 764,296 km (0.07 R)
• M4: 1,004,998 km (0.103 R)
• M5: 1,250,937 km (0.091 R)
• M6: 1,704,219 km (0.107 R)
• M7: 2,142,092 km (0.111 R)
• M8: 3,288,161 km (0.114 R)
• M9: 5,006,742 km (0.06 R)
• M10: 6,393,215 km (0.112 R)
• M11: 9,153,146 km (0.104 R)
• M12: 9,476,128 km (0.057 R)
• M13: 10,793,337 km (0.076 R)
• M14: 11,050,047 km (0.116 R)
• M15: 20,087,553 km (0.076 R)
• M16: 21,511,127 km (0.111 R)
• M17: 26,555,417 km (0.11 R)
• M18: 28,855,036 km (0.117 R)
• M19: 31,806,901 km (0.088 R)

Asteroid Belt

Center: 8.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 58.9

Radius: 7.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 8.11 AU - 11.05 AU

Year: 20467 Days

Day: 22 Hours

Environment

Temp: -244 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,104,736 km

• M1: 115,041 km (0.112 R)
• M2: 399,875 km (0.107 R)
• M3: 989,141 km (0.049 R)
• M4: 1,399,787 km (0.111 R)
• M5: 1,645,577 km (0.08 R)
• M6: 2,023,760 km (0.085 R)
• M7: 2,653,866 km (0.062 R)
• M8: 3,034,742 km (0.117 R)
• M9: 3,429,980 km (0.026 R)
• M10: 3,742,789 km (0.079 R)
• M11: 4,426,003 km (0.08 R)
• M12: 5,482,912 km (0.107 R)
• M13: 7,628,743 km (0.101 R)
• M14: 8,124,810 km (0.062 R)
• M15: 14,159,738 km (0.117 R)
• M16: 16,737,758 km (0.103 R)
• M17: 20,398,268 km (0.104 R)
• M18: 22,879,947 km (0.057 R)
• M19: 23,431,066 km (0.048 R)
• M20: 25,304,480 km (0.046 R)
• M21: 29,162,609 km (0.119 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: 160 - 16,454 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit