🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 14.1

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.54 AU - 0.78 AU

Year: 377 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,389,072 km

• M1: 176,974 km (0.092 R)
• M2: 647,011 km (0.059 R)
• M3: 1,139,637 km (0.064 R)
• M4: 1,885,083 km (0.077 R)
• M5: 2,516,535 km (0.118 R)
• M6: 3,231,015 km (0.094 R)
• M7: 3,685,792 km (0.055 R)
• M8: 4,386,808 km (0.05 R)
• M9: 4,992,380 km (0.072 R)
• M10: 5,620,542 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 774.2

Radius: 12.8

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.69 AU - 0.91 AU

Year: 503 Days

Day: 12.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 70.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,389,072 km

• M1: 159,172 km (0.101 R)
• M2: 654,939 km (0.061 R)
• M3: 1,120,638 km (0.112 R)
• M4: 1,580,053 km (0.094 R)
• M5: 2,322,956 km (0.061 R)
• M6: 3,510,164 km (0.078 R)
• M7: 4,253,815 km (0.045 R)
• M8: 5,232,335 km (0.115 R)
• M9: 5,873,661 km (0.102 R)
• M10: 6,317,368 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.7

Radius: 13.4

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.73 AU - 2.37 AU

Year: 2063 Days

Day: 6 Hours

Environment

Temp: -208 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 70,389,072 km

• M1: 168,148 km (0.098 R)
• M2: 842,086 km (0.065 R)
• M3: 2,038,121 km (0.115 R)
• M4: 2,625,891 km (0.093 R)
• M5: 5,851,670 km (0.055 R)
• M6: 7,049,800 km (0.071 R)
• M7: 8,073,647 km (0.102 R)
• M8: 9,860,145 km (0.108 R)
• M9: 11,363,604 km (0.026 R)
• M10: 12,892,195 km (0.084 R)
• M11: 13,389,009 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.9

Radius: 14.2

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.01 AU - 3.07 AU

Year: 2846 Days

Day: 5.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 70,389,072 km

• M1: 176,825 km (0.075 R)
• M2: 916,437 km (0.074 R)
• M3: 1,460,973 km (0.102 R)
• M4: 2,361,702 km (0.107 R)
• M5: 3,185,687 km (0.09 R)
• M6: 3,743,836 km (0.052 R)
• M7: 4,411,043 km (0.051 R)
• M8: 5,457,480 km (0.064 R)
• M9: 6,460,534 km (0.104 R)
• M10: 7,551,102 km (0.11 R)
• M11: 8,412,786 km (0.109 R)
• M12: 10,651,518 km (0.117 R)
• M13: 11,394,421 km (0.073 R)
• M14: 12,171,881 km (0.066 R)
• M15: 14,517,725 km (0.039 R)
• M16: 16,437,964 km (0.114 R)
• M17: 17,206,897 km (0.043 R)
• M18: 19,719,692 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 10.7

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.4 AU - 3.68 AU

Year: 3726 Days

Day: 9.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,389,072 km

• M1: 133,890 km (0.101 R)
• M2: 593,904 km (0.086 R)
• M3: 2,024,957 km (0.072 R)
• M4: 4,826,925 km (0.099 R)
• M5: 5,606,629 km (0.077 R)
• M6: 6,269,348 km (0.095 R)
• M7: 7,143,448 km (0.088 R)
• M8: 8,696,274 km (0.04 R)
• M9: 10,602,599 km (0.095 R)
• M10: 10,993,349 km (0.092 R)
• M11: 11,541,775 km (0.111 R)
• M12: 12,418,119 km (0.057 R)
• M13: 14,605,539 km (0.033 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.6

Radius: 13.1

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 3.14 AU - 3.38 AU

Year: 4137 Days

Day: 12.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,389,072 km

• M1: 162,912 km (0.09 R)
• M2: 571,165 km (0.042 R)
• M3: 1,094,907 km (0.101 R)
• M4: 1,658,891 km (0.109 R)
• M5: 2,067,293 km (0.112 R)
• M6: 2,610,782 km (0.033 R)
• M7: 3,229,220 km (0.099 R)
• M8: 3,966,588 km (0.083 R)
• M9: 4,761,999 km (0.118 R)
• M10: 5,294,119 km (0.101 R)
• M11: 6,045,400 km (0.105 R)
• M12: 6,703,032 km (0.094 R)
• M13: 8,615,341 km (0.101 R)
• M14: 9,165,562 km (0.117 R)
• M15: 10,034,876 km (0.103 R)
• M16: 10,688,917 km (0.103 R)
• M17: 11,278,483 km (0.096 R)
• M18: 11,889,889 km (0.1 R)
• M19: 12,622,620 km (0.109 R)
• M20: 13,333,359 km (0.064 R)
• M21: 14,395,055 km (0.095 R)
• M22: 15,455,106 km (0.091 R)
• M23: 18,045,692 km (0.039 R)
• M24: 18,557,765 km (0.093 R)
• M25: 20,426,991 km (0.069 R)
• M26: 21,837,100 km (0.117 R)
• M27: 23,310,939 km (0.119 R)
• M28: 25,484,596 km (0.088 R)
• M29: 25,967,498 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443

Radius: 6.1

Gravity: 11.91 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 9.4 AU - 10.54 AU

Year: 22128 Days

Day: 23.3 Hours

Environment

Temp: -242 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,389,072 km

• M1: 75,846 km (0.102 R)
• M2: 605,273 km (0.082 R)
• M3: 976,724 km (0.102 R)
• M4: 1,554,172 km (0.05 R)
• M5: 1,862,643 km (0.065 R)
• M6: 2,070,883 km (0.062 R)
• M7: 3,934,125 km (0.038 R)
• M8: 5,903,581 km (0.059 R)
• M9: 7,998,699 km (0.034 R)
• M10: 8,501,049 km (0.104 R)
• M11: 10,308,640 km (0.068 R)
• M12: 13,512,876 km (0.098 R)
• M13: 13,865,927 km (0.051 R)
• M14: 14,812,433 km (0.076 R)
• M15: 16,671,785 km (0.062 R)
• M16: 17,324,630 km (0.104 R)
• M17: 17,657,485 km (0.118 R)
• M18: 18,079,351 km (0.074 R)
• M19: 20,475,012 km (0.089 R)
• M20: 21,796,709 km (0.115 R)
• M21: 22,675,896 km (0.046 R)
• M22: 24,400,609 km (0.107 R)
• M23: 29,502,645 km (0.107 R)
• M24: 32,805,616 km (0.065 R)
• M25: 33,314,997 km (0.054 R)
• M26: 37,581,678 km (0.082 R)
• M27: 39,414,401 km (0.095 R)
• M28: 43,409,562 km (0.052 R)
• M29: 46,217,813 km (0.111 R)
• M30: 47,341,892 km (0.108 R)
• M31: 49,311,049 km (0.06 R)
• M32: 50,484,644 km (0.09 R)
• M33: 51,676,640 km (0.114 R)
• M34: 52,366,136 km (0.101 R)
• M35: 55,906,220 km (0.103 R)
• M36: 56,450,607 km (0.118 R)
• M37: 61,510,156 km (0.1 R)
• M38: 66,456,909 km (0.094 R)
• M39: 68,922,881 km (0.095 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: 468 - 12,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit