🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600

Radius: 8.3

Gravity: 8.71 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.54 AU - 0.72 AU

Year: 333 Days

Day: 11.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,991,465 km

• M1: 103,223 km (0.12 R)
• M2: 389,702 km (0.096 R)
• M3: 745,596 km (0.091 R)
• M4: 1,057,807 km (0.063 R)
• M5: 1,584,092 km (0.108 R)
• M6: 1,933,852 km (0.111 R)
• M7: 2,192,357 km (0.067 R)
• M8: 2,675,408 km (0.111 R)
• M9: 3,070,048 km (0.079 R)
• M10: 3,758,198 km (0.112 R)
• M11: 4,038,245 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 157.6

Radius: 9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.63 AU - 0.83 AU

Year: 416 Days

Day: 8.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 74,991,465 km

• M1: 112,498 km (0.054 R)
• M2: 575,503 km (0.061 R)
• M3: 1,738,178 km (0.109 R)
• M4: 2,422,588 km (0.072 R)
• M5: 3,066,756 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.6

Radius: 8.4

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.74 AU - 1.02 AU

Year: 550 Days

Day: 12.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,991,465 km

• M1: 104,419 km (0.051 R)
• M2: 374,892 km (0.089 R)
• M3: 713,881 km (0.075 R)
• M4: 1,073,963 km (0.106 R)
• M5: 1,426,416 km (0.119 R)
• M6: 1,863,241 km (0.07 R)
• M7: 2,135,360 km (0.091 R)
• M8: 2,668,826 km (0.091 R)
• M9: 3,027,562 km (0.085 R)
• M10: 3,478,749 km (0.117 R)
• M11: 4,000,546 km (0.088 R)
• M12: 5,026,788 km (0.041 R)
• M13: 5,361,438 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 10.6

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 1.01 AU - 1.01 AU

Year: 677 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,991,465 km

• M1: 131,796 km (0.115 R)
• M2: 563,386 km (0.111 R)
• M3: 897,886 km (0.111 R)
• M4: 1,242,261 km (0.033 R)
• M5: 1,596,359 km (0.041 R)
• M6: 2,113,818 km (0.084 R)
• M7: 3,016,940 km (0.105 R)
• M8: 3,872,191 km (0.05 R)
• M9: 4,693,633 km (0.115 R)
• M10: 6,510,499 km (0.099 R)
• M11: 7,208,972 km (0.105 R)
• M12: 8,324,523 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.2

Radius: 9.7

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.91 AU - 1.23 AU

Year: 738 Days

Day: 14.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,991,465 km

• M1: 121,773 km (0.105 R)
• M2: 449,392 km (0.067 R)
• M3: 1,143,526 km (0.061 R)
• M4: 2,167,524 km (0.081 R)
• M5: 3,489,221 km (0.111 R)
• M6: 3,935,621 km (0.106 R)
• M7: 5,320,897 km (0.106 R)
• M8: 5,893,857 km (0.118 R)
• M9: 6,571,236 km (0.114 R)
• M10: 8,105,362 km (0.101 R)
• M11: 8,631,947 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 769.3

Radius: 12.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 4.18 AU - 5.36 AU

Year: 6947 Days

Day: 6.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,991,465 km

• M1: 156,629 km (0.097 R)
• M2: 715,227 km (0.115 R)
• M3: 1,633,310 km (0.11 R)
• M4: 2,065,049 km (0.081 R)
• M5: 2,878,861 km (0.071 R)
• M6: 3,945,494 km (0.099 R)
• M7: 6,117,356 km (0.118 R)
• M8: 7,830,252 km (0.084 R)
• M9: 8,648,851 km (0.085 R)
• M10: 9,936,141 km (0.077 R)
• M11: 11,655,469 km (0.099 R)
• M12: 15,175,058 km (0.11 R)
• M13: 15,612,483 km (0.078 R)
• M14: 17,243,847 km (0.114 R)
• M15: 18,699,734 km (0.118 R)
• M16: 19,641,303 km (0.089 R)
• M17: 22,093,212 km (0.106 R)
• M18: 24,061,471 km (0.102 R)
• M19: 24,485,880 km (0.12 R)
• M20: 33,214,766 km (0.034 R)
• M21: 34,059,695 km (0.104 R)
• M22: 35,353,866 km (0.08 R)
• M23: 35,792,487 km (0.102 R)
• M24: 37,697,167 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 133

Radius: 4

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.38 AU - 8.68 AU

Year: 12430 Days

Day: 15.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,991,465 km

• M1: 49,966 km (0.082 R)
• M2: 1,032,076 km (0.12 R)
• M3: 1,388,268 km (0.065 R)
• M4: 1,994,289 km (0.089 R)
• M5: 3,418,611 km (0.068 R)
• M6: 3,772,858 km (0.073 R)
• M7: 7,109,040 km (0.072 R)
• M8: 7,250,261 km (0.089 R)
• M9: 7,946,639 km (0.1 R)
• M10: 8,098,780 km (0.058 R)
• M11: 10,528,549 km (0.11 R)
• M12: 10,851,231 km (0.119 R)
• M13: 11,419,553 km (0.103 R)
• M14: 12,564,127 km (0.085 R)
• M15: 13,457,675 km (0.084 R)
• M16: 15,253,148 km (0.083 R)
• M17: 18,039,110 km (0.078 R)
• M18: 20,641,215 km (0.048 R)
• M19: 22,635,055 km (0.091 R)
• M20: 23,954,060 km (0.11 R)
• M21: 25,736,070 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.3

Radius: 7.8

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7.12 AU - 7.42 AU

Year: 13072 Days

Day: 16.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,991,465 km

• M1: 97,089 km (0.117 R)
• M2: 498,011 km (0.119 R)
• M3: 1,006,494 km (0.042 R)
• M4: 1,479,523 km (0.062 R)
• M5: 2,729,413 km (0.076 R)
• M6: 3,514,652 km (0.09 R)
• M7: 3,760,591 km (0.067 R)
• M8: 5,707,907 km (0.115 R)
• M9: 6,048,990 km (0.086 R)
• M10: 7,778,341 km (0.12 R)
• M11: 11,631,534 km (0.042 R)
• M12: 13,134,244 km (0.102 R)
• M13: 13,595,903 km (0.097 R)
• M14: 16,596,388 km (0.045 R)
• M15: 19,159,298 km (0.093 R)
• M16: 21,066,971 km (0.115 R)
• M17: 55,354,354 km (0.12 R)
• M18: 60,454,744 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.2

Radius: 6.7

Gravity: 19.85 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.07 AU - 8.95 AU

Year: 16555 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 74,991,465 km

• M1: 83,326 km (0.051 R)
• M2: 301,739 km (0.086 R)
• M3: 916,437 km (0.087 R)
• M4: 1,741,170 km (0.111 R)
• M5: 3,273,501 km (0.08 R)
• M6: 4,192,780 km (0.113 R)
• M7: 5,311,173 km (0.049 R)
• M8: 6,229,555 km (0.086 R)
• M9: 7,437,707 km (0.045 R)
• M10: 9,615,852 km (0.074 R)
• M11: 12,587,763 km (0.045 R)
• M12: 13,275,913 km (0.11 R)
• M13: 14,134,456 km (0.116 R)
• M14: 14,502,915 km (0.111 R)
• M15: 15,029,500 km (0.1 R)
• M16: 17,431,593 km (0.103 R)
• M17: 17,855,403 km (0.088 R)
• M18: 19,893,824 km (0.118 R)
• M19: 23,490,606 km (0.052 R)
• M20: 24,957,562 km (0.075 R)
• M21: 29,126,556 km (0.088 R)
• M22: 29,843,728 km (0.096 R)
• M23: 34,395,393 km (0.063 R)
• M24: 34,794,370 km (0.113 R)
• M25: 37,393,185 km (0.061 R)
• M26: 39,244,159 km (0.108 R)
• M27: 41,906,552 km (0.066 R)
• M28: 45,800,734 km (0.04 R)
• M29: 46,445,352 km (0.115 R)
• M30: 47,587,980 km (0.099 R)
• M31: 48,083,448 km (0.06 R)
• M32: 49,084,557 km (0.078 R)
• M33: 58,161,857 km (0.078 R)
• M34: 58,917,775 km (0.091 R)
• M35: 59,680,275 km (0.11 R)
• M36: 61,419,650 km (0.088 R)
• M37: 63,591,362 km (0.111 R)
• M38: 64,192,297 km (0.073 R)
• M39: 69,773,045 km (0.109 R)
• M40: 72,790,135 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 518.4

Radius: 6.5

Gravity: 12.27 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.92 AU - 11.96 AU

Year: 22495 Days

Day: 18.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,991,465 km

• M1: 81,381 km (0.065 R)
• M2: 318,793 km (0.06 R)
• M3: 555,158 km (0.07 R)
• M4: 1,040,603 km (0.089 R)
• M5: 1,428,061 km (0.042 R)
• M6: 2,144,186 km (0.113 R)
• M7: 2,399,999 km (0.112 R)
• M8: 2,628,734 km (0.047 R)
• M9: 3,237,896 km (0.062 R)
• M10: 3,783,779 km (0.065 R)
• M11: 3,999,649 km (0.097 R)
• M12: 5,434,891 km (0.114 R)
• M13: 6,204,572 km (0.096 R)
• M14: 7,612,736 km (0.071 R)
• M15: 8,786,481 km (0.039 R)
• M16: 12,274,206 km (0.071 R)
• M17: 16,505,432 km (0.056 R)
• M18: 16,834,548 km (0.104 R)
• M19: 19,080,909 km (0.083 R)
• M20: 19,443,385 km (0.077 R)
• M21: 21,228,087 km (0.077 R)
• M22: 21,519,654 km (0.094 R)
• M23: 24,264,176 km (0.065 R)
• M24: 27,692,959 km (0.114 R)
• M25: 32,576,881 km (0.105 R)
• M26: 40,782,624 km (0.115 R)
• M27: 41,839,084 km (0.06 R)
• M28: 46,085,270 km (0.086 R)
• M29: 59,561,644 km (0.114 R)
• M30: 62,102,115 km (0.105 R)
• M31: 68,873,513 km (0.038 R)
• M32: 71,670,844 km (0.079 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: 408 - 16,585 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit