🌌 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: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.5

Radius: 10.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.62 AU - 0.68 AU

Year: 362 Days

Day: 5.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 83,547,026 km

• M1: 134,339 km (0.105 R)
• M2: 471,233 km (0.046 R)
• M3: 943,215 km (0.09 R)
• M4: 1,351,168 km (0.104 R)
• M5: 1,782,010 km (0.083 R)
• M6: 2,410,770 km (0.11 R)
• M7: 2,908,332 km (0.109 R)
• M8: 3,277,241 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.1

Radius: 13.2

Gravity: 0.06 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 0.88 AU - 0.94 AU

Year: 599 Days

Day: 12.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 83,547,026 km

• M1: 164,408 km (0.034 R)
• M2: 585,526 km (0.043 R)
• M3: 1,080,695 km (0.086 R)
• M4: 1,557,015 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.3

Radius: 10.2

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.03 AU - 1.37 AU

Year: 907 Days

Day: 14.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 83,547,026 km

• M1: 127,009 km (0.088 R)
• M2: 466,446 km (0.079 R)
• M3: 853,456 km (0.11 R)
• M4: 1,551,031 km (0.036 R)
• M5: 1,897,799 km (0.095 R)
• M6: 2,279,124 km (0.093 R)
• M7: 2,990,461 km (0.097 R)
• M8: 3,894,481 km (0.029 R)
• M9: 4,265,185 km (0.113 R)
• M10: 4,616,141 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.9

Radius: 11.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.13 AU - 1.35 AU

Year: 953 Days

Day: 14.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,547,026 km

• M1: 146,756 km (0.116 R)
• M2: 754,422 km (0.117 R)
• M3: 1,573,022 km (0.111 R)
• M4: 2,213,600 km (0.114 R)
• M5: 2,674,660 km (0.115 R)
• M6: 3,062,418 km (0.076 R)
• M7: 3,458,104 km (0.093 R)
• M8: 6,131,718 km (0.111 R)
• M9: 7,049,800 km (0.053 R)
• M10: 9,390,109 km (0.107 R)
• M11: 10,201,677 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 10.4

Gravity: 7.63 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.07 AU - 1.61 AU

Year: 1071 Days

Day: 8 Hours

Environment

Temp: -182 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,547,026 km

• M1: 130,150 km (0.117 R)
• M2: 491,579 km (0.09 R)
• M3: 890,257 km (0.116 R)
• M4: 1,214,585 km (0.102 R)
• M5: 1,737,280 km (0.063 R)
• M6: 2,234,992 km (0.078 R)
• M7: 3,054,340 km (0.113 R)
• M8: 4,983,853 km (0.078 R)
• M9: 6,467,415 km (0.091 R)
• M10: 9,452,940 km (0.057 R)
• M11: 10,699,988 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962.2

Radius: 14.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.99 AU - 5.49 AU

Year: 8280 Days

Day: 12.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 83,547,026 km

• M1: 180,265 km (0.082 R)
• M2: 689,347 km (0.104 R)
• M3: 1,558,062 km (0.075 R)
• M4: 2,066,545 km (0.112 R)
• M5: 3,406,344 km (0.082 R)
• M6: 4,830,066 km (0.09 R)
• M7: 5,362,485 km (0.044 R)
• M8: 5,899,392 km (0.111 R)
• M9: 7,280,031 km (0.114 R)
• M10: 8,154,430 km (0.054 R)
• M11: 9,572,020 km (0.075 R)
• M12: 11,255,744 km (0.096 R)
• M13: 11,914,722 km (0.114 R)
• M14: 13,430,747 km (0.118 R)
• M15: 14,617,657 km (0.093 R)
• M16: 16,215,512 km (0.062 R)
• M17: 16,702,752 km (0.107 R)
• M18: 17,199,866 km (0.102 R)
• M19: 19,599,266 km (0.095 R)
• M20: 21,125,314 km (0.055 R)
• M21: 23,252,296 km (0.112 R)
• M22: 24,413,176 km (0.06 R)
• M23: 27,044,303 km (0.112 R)
• M24: 29,342,874 km (0.088 R)
• M25: 34,899,538 km (0.056 R)
• M26: 38,476,124 km (0.046 R)
• M27: 40,225,970 km (0.108 R)
• M28: 43,884,236 km (0.061 R)
• M29: 45,655,774 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558

Radius: 13.7

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.86 AU - 5.7 AU

Year: 8375 Days

Day: 10 Hours

Environment

Temp: -230 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,547,026 km

• M1: 170,392 km (0.077 R)
• M2: 597,793 km (0.067 R)
• M3: 1,077,553 km (0.105 R)
• M4: 1,754,484 km (0.059 R)
• M5: 3,452,719 km (0.031 R)
• M6: 3,900,764 km (0.083 R)
• M7: 4,829,618 km (0.083 R)
• M8: 6,337,415 km (0.11 R)
• M9: 7,857,479 km (0.118 R)
• M10: 9,027,484 km (0.103 R)
• M11: 10,358,605 km (0.093 R)
• M12: 15,075,576 km (0.083 R)
• M13: 23,392,469 km (0.099 R)
• M14: 27,066,593 km (0.116 R)
• M15: 27,994,998 km (0.052 R)
• M16: 28,467,128 km (0.098 R)
• M17: 28,944,645 km (0.036 R)
• M18: 32,541,726 km (0.089 R)
• M19: 33,274,157 km (0.114 R)
• M20: 37,102,815 km (0.113 R)
• M21: 39,536,024 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.8

Radius: 9.9

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.27 AU - 6.63 AU

Year: 8782 Days

Day: 8.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,547,026 km

• M1: 845,078 km (0.082 R)
• M2: 1,299,258 km (0.107 R)
• M3: 2,279,572 km (0.028 R)
• M4: 2,975,352 km (0.102 R)
• M5: 3,711,673 km (0.115 R)
• M6: 4,945,257 km (0.092 R)
• M7: 5,643,430 km (0.11 R)
• M8: 8,007,076 km (0.113 R)
• M9: 9,389,510 km (0.115 R)
• M10: 12,234,413 km (0.105 R)
• M11: 12,971,183 km (0.12 R)
• M12: 15,310,444 km (0.108 R)
• M13: 16,217,456 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.6

Radius: 6.8

Gravity: 12.21 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 8.3 AU - 8.62 AU

Year: 16985 Days

Day: 22.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,547,026 km

• M1: 84,672 km (0.102 R)
• M2: 404,064 km (0.101 R)
• M3: 710,739 km (0.104 R)
• M4: 1,001,408 km (0.07 R)
• M5: 1,548,188 km (0.04 R)
• M6: 2,422,738 km (0.079 R)
• M7: 3,040,726 km (0.111 R)
• M8: 5,527,193 km (0.091 R)
• M9: 5,906,872 km (0.028 R)
• M10: 8,913,789 km (0.03 R)
• M11: 9,383,078 km (0.119 R)
• M12: 13,340,689 km (0.051 R)
• M13: 15,092,032 km (0.116 R)
• M14: 17,631,156 km (0.058 R)
• M15: 18,874,165 km (0.113 R)
• M16: 20,531,261 km (0.084 R)
• M17: 25,558,048 km (0.087 R)
• M18: 33,043,776 km (0.081 R)
• M19: 38,361,382 km (0.099 R)
• M20: 39,046,540 km (0.1 R)
• M21: 39,322,847 km (0.066 R)
• M22: 44,072,729 km (0.075 R)
• M23: 45,584,266 km (0.096 R)
• M24: 50,981,608 km (0.106 R)
• M25: 54,519,598 km (0.099 R)
• M26: 56,789,895 km (0.084 R)
• M27: 57,500,934 km (0.091 R)
• M28: 62,456,363 km (0.065 R)

Asteroid Belt

Center: 8.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.5

Radius: 5.6

Gravity: 31.07 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.59 AU - 10.83 AU

Year: 19293 Days

Day: 20.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 83,547,026 km

• M1: 70,610 km (0.102 R)
• M2: 270,473 km (0.112 R)
• M3: 479,760 km (0.065 R)
• M4: 899,233 km (0.086 R)
• M5: 1,252,733 km (0.103 R)
• M6: 1,843,794 km (0.054 R)
• M7: 2,043,058 km (0.119 R)
• M8: 2,654,016 km (0.062 R)
• M9: 3,557,437 km (0.06 R)
• M10: 4,062,480 km (0.116 R)
• M11: 5,865,134 km (0.064 R)
• M12: 6,298,669 km (0.08 R)
• M13: 6,706,622 km (0.1 R)
• M14: 7,525,371 km (0.115 R)
• M15: 8,194,971 km (0.115 R)
• M16: 9,301,547 km (0.112 R)
• M17: 9,593,113 km (0.058 R)
• M18: 10,072,125 km (0.113 R)
• M19: 10,379,549 km (0.107 R)
• M20: 13,657,388 km (0.069 R)
• M21: 16,022,381 km (0.108 R)
• M22: 18,463,818 km (0.087 R)
• M23: 19,677,206 km (0.059 R)
• M24: 24,508,021 km (0.068 R)
• M25: 25,515,263 km (0.035 R)
• M26: 25,971,686 km (0.108 R)
• M27: 26,201,917 km (0.094 R)
• M28: 30,200,369 km (0.085 R)
• M29: 31,487,809 km (0.075 R)
• M30: 38,328,470 km (0.108 R)
• M31: 41,383,708 km (0.102 R)
• M32: 46,096,340 km (0.077 R)
• M33: 46,773,270 km (0.106 R)
• M34: 47,114,204 km (0.1 R)
• M35: 49,546,964 km (0.089 R)
• M36: 51,154,393 km (0.117 R)
• M37: 58,918,673 km (0.086 R)
• M38: 61,535,289 km (0.033 R)
• M39: 61,739,640 km (0.045 R)
• M40: 64,649,468 km (0.12 R)
• M41: 67,215,221 km (0.106 R)
• M42: 77,679,742 km (0.079 R)
• M43: 78,637,916 km (0.106 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 14,290 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit