🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.9

Radius: 13.1

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.62 AU - 0.78 AU

Year: 397 Days

Day: 8.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 77,980,546 km

• M1: 165,156 km (0.094 R)
• M2: 587,172 km (0.105 R)
• M3: 1,032,973 km (0.082 R)
• M4: 1,447,659 km (0.084 R)
• M5: 1,936,844 km (0.055 R)
• M6: 2,357,214 km (0.114 R)
• M7: 2,787,158 km (0.105 R)
• M8: 3,351,740 km (0.074 R)
• M9: 4,405,657 km (0.112 R)
• M10: 5,033,669 km (0.086 R)
• M11: 5,585,237 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.2

Radius: 12.2

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.81 AU - 0.87 AU

Year: 522 Days

Day: 11.7 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 77,980,546 km

• M1: 151,991 km (0.12 R)
• M2: 547,977 km (0.052 R)
• M3: 1,151,904 km (0.115 R)
• M4: 1,861,596 km (0.053 R)
• M5: 2,331,333 km (0.081 R)
• M6: 3,030,404 km (0.107 R)
• M7: 3,462,144 km (0.06 R)
• M8: 3,906,898 km (0.077 R)
• M9: 4,344,322 km (0.111 R)
• M10: 4,814,359 km (0.111 R)
• M11: 5,353,061 km (0.092 R)
• M12: 6,197,989 km (0.058 R)
• M13: 6,816,128 km (0.047 R)
• M14: 7,387,741 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.7

Radius: 13.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.95 AU - 0.97 AU

Year: 638 Days

Day: 5.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,980,546 km

• M1: 163,062 km (0.087 R)
• M2: 648,208 km (0.08 R)
• M3: 1,441,375 km (0.111 R)
• M4: 1,956,740 km (0.105 R)
• M5: 2,753,349 km (0.069 R)
• M6: 3,947,738 km (0.04 R)
• M7: 5,239,217 km (0.077 R)
• M8: 5,691,451 km (0.106 R)
• M9: 6,795,483 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.2

Radius: 14.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.41 AU - 2.03 AU

Year: 1530 Days

Day: 11.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,980,546 km

• M1: 182,061 km (0.112 R)
• M2: 990,787 km (0.108 R)
• M3: 1,718,281 km (0.114 R)
• M4: 2,759,931 km (0.119 R)
• M5: 3,633,283 km (0.106 R)
• M6: 4,117,382 km (0.09 R)
• M7: 5,632,659 km (0.071 R)
• M8: 6,212,949 km (0.072 R)
• M9: 6,935,956 km (0.105 R)
• M10: 7,686,787 km (0.118 R)
• M11: 12,245,035 km (0.115 R)
• M12: 12,747,085 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 9.5

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.99 AU - 3.91 AU

Year: 4346 Days

Day: 14.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,980,546 km

• M1: 118,182 km (0.104 R)
• M2: 458,667 km (0.116 R)
• M3: 873,652 km (0.117 R)
• M4: 1,191,697 km (0.078 R)
• M5: 2,072,529 km (0.073 R)
• M6: 2,501,875 km (0.119 R)
• M7: 2,858,217 km (0.098 R)
• M8: 3,502,834 km (0.053 R)
• M9: 4,241,548 km (0.091 R)
• M10: 7,548,110 km (0.079 R)
• M11: 8,952,535 km (0.082 R)
• M12: 10,602,749 km (0.032 R)
• M13: 11,004,270 km (0.106 R)
• M14: 11,332,936 km (0.115 R)
• M15: 16,277,146 km (0.074 R)
• M16: 17,138,830 km (0.08 R)
• M17: 19,605,100 km (0.062 R)
• M18: 20,394,977 km (0.117 R)
• M19: 21,079,836 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 857.5

Radius: 13.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.28 AU - 4.62 AU

Year: 5325 Days

Day: 5.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,980,546 km

• M1: 166,652 km (0.111 R)
• M2: 604,974 km (0.076 R)
• M3: 1,677,441 km (0.059 R)
• M4: 2,216,442 km (0.086 R)
• M5: 2,740,783 km (0.084 R)
• M6: 3,264,525 km (0.12 R)
• M7: 3,695,217 km (0.067 R)
• M8: 5,025,441 km (0.113 R)
• M9: 6,586,645 km (0.083 R)
• M10: 7,388,340 km (0.114 R)
• M11: 7,907,444 km (0.096 R)
• M12: 8,490,726 km (0.093 R)
• M13: 10,278,122 km (0.118 R)
• M14: 10,785,109 km (0.089 R)
• M15: 12,666,601 km (0.081 R)
• M16: 13,466,501 km (0.093 R)
• M17: 15,404,392 km (0.099 R)
• M18: 16,254,108 km (0.083 R)
• M19: 17,392,248 km (0.071 R)
• M20: 18,380,791 km (0.032 R)
• M21: 18,923,083 km (0.077 R)
• M22: 21,496,915 km (0.118 R)
• M23: 22,327,931 km (0.091 R)
• M24: 23,813,587 km (0.115 R)
• M25: 25,364,169 km (0.112 R)
• M26: 26,036,761 km (0.107 R)
• M27: 27,505,663 km (0.032 R)
• M28: 29,303,680 km (0.118 R)
• M29: 30,797,564 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.9

Radius: 12.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 3.67 AU - 5.11 AU

Year: 6239 Days

Day: 6 Hours

Environment

Temp: -224 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,980,546 km

• M1: 165,605 km (0.075 R)
• M2: 743,053 km (0.056 R)
• M3: 1,382,434 km (0.068 R)
• M4: 2,370,977 km (0.059 R)
• M5: 2,803,614 km (0.08 R)
• M6: 3,739,947 km (0.09 R)
• M7: 5,670,358 km (0.107 R)
• M8: 6,419,843 km (0.089 R)
• M9: 8,231,772 km (0.06 R)
• M10: 8,783,938 km (0.093 R)
• M11: 9,402,825 km (0.085 R)
• M12: 10,183,875 km (0.085 R)
• M13: 11,484,180 km (0.06 R)
• M14: 14,300,060 km (0.107 R)
• M15: 17,101,430 km (0.033 R)
• M16: 19,688,725 km (0.067 R)
• M17: 20,966,890 km (0.097 R)
• M18: 23,296,577 km (0.028 R)
• M19: 24,564,270 km (0.089 R)
• M20: 26,381,584 km (0.106 R)
• M21: 29,273,611 km (0.114 R)
• M22: 30,562,097 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.9

Radius: 7.8

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 6.01 AU - 9.69 AU

Year: 14917 Days

Day: 21.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,980,546 km

• M1: 98,435 km (0.045 R)
• M2: 444,006 km (0.051 R)
• M3: 711,338 km (0.073 R)
• M4: 1,345,483 km (0.118 R)
• M5: 1,880,894 km (0.101 R)
• M6: 2,613,325 km (0.108 R)
• M7: 2,963,983 km (0.066 R)
• M8: 4,385,162 km (0.103 R)
• M9: 4,660,123 km (0.047 R)
• M10: 5,244,752 km (0.115 R)
• M11: 7,167,683 km (0.096 R)
• M12: 7,421,102 km (0.045 R)
• M13: 9,267,588 km (0.048 R)
• M14: 13,906,768 km (0.042 R)
• M15: 15,392,424 km (0.108 R)
• M16: 16,906,504 km (0.096 R)
• M17: 17,738,119 km (0.071 R)
• M18: 19,646,539 km (0.111 R)
• M19: 20,992,321 km (0.085 R)
• M20: 22,308,932 km (0.099 R)
• M21: 26,588,030 km (0.099 R)
• M22: 28,023,272 km (0.083 R)
• M23: 36,105,147 km (0.109 R)
• M24: 36,477,197 km (0.096 R)
• M25: 36,977,302 km (0.077 R)
• M26: 39,546,496 km (0.071 R)
• M27: 40,074,278 km (0.08 R)
• M28: 40,874,626 km (0.067 R)
• M29: 41,958,313 km (0.112 R)
• M30: 42,645,416 km (0.053 R)
• M31: 43,760,070 km (0.072 R)
• M32: 44,466,621 km (0.043 R)
• M33: 53,869,894 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.2

Radius: 4.2

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.34 AU - 11.74 AU

Year: 23209 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 77,980,546 km

• M1: 52,359 km (0.057 R)
• M2: 226,192 km (0.066 R)
• M3: 937,380 km (0.077 R)
• M4: 1,123,779 km (0.112 R)
• M5: 1,597,855 km (0.111 R)
• M6: 2,244,417 km (0.083 R)
• M7: 2,399,400 km (0.047 R)
• M8: 5,481,266 km (0.051 R)
• M9: 5,636,549 km (0.06 R)
• M10: 6,843,953 km (0.102 R)
• M11: 11,995,356 km (0.094 R)
• M12: 16,087,605 km (0.103 R)
• M13: 17,189,394 km (0.065 R)
• M14: 20,719,903 km (0.116 R)
• M15: 27,962,535 km (0.082 R)
• M16: 29,550,815 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519

Radius: 5.8

Gravity: 15.43 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.19 AU - 13.27 AU

Year: 23839 Days

Day: 16 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,980,546 km

• M1: 74,649 km (0.108 R)
• M2: 259,552 km (0.058 R)
• M3: 606,470 km (0.052 R)
• M4: 1,972,298 km (0.059 R)
• M5: 2,897,412 km (0.112 R)
• M6: 3,134,225 km (0.088 R)
• M7: 3,470,072 km (0.096 R)
• M8: 4,729,237 km (0.072 R)
• M9: 5,247,594 km (0.097 R)
• M10: 5,968,805 km (0.12 R)
• M11: 6,845,299 km (0.098 R)
• M12: 7,030,502 km (0.083 R)
• M13: 7,266,567 km (0.098 R)
• M14: 13,901,233 km (0.076 R)
• M15: 15,991,713 km (0.077 R)
• M16: 16,566,019 km (0.074 R)
• M17: 30,007,687 km (0.043 R)
• M18: 31,770,698 km (0.046 R)
• M19: 44,619,211 km (0.095 R)
• M20: 72,282,250 km (0.116 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 19,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit