🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.6

Radius: 8.9

Gravity: 11.16 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.53 AU - 0.83 AU

Year: 374 Days

Day: 10.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 44,729,468 km

• M1: 110,702 km (0.104 R)
• M2: 388,954 km (0.031 R)
• M3: 682,465 km (0.099 R)
• M4: 1,027,139 km (0.094 R)
• M5: 1,353,262 km (0.112 R)
• M6: 2,116,361 km (0.072 R)
• M7: 2,515,787 km (0.086 R)
• M8: 2,954,259 km (0.12 R)
• M9: 3,232,212 km (0.083 R)
• M10: 4,038,095 km (0.119 R)
• M11: 4,553,310 km (0.08 R)
• M12: 5,159,032 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.1

Radius: 14.4

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.84 AU - 0.9 AU

Year: 541 Days

Day: 7.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 44,729,468 km

• M1: 179,817 km (0.059 R)
• M2: 637,437 km (0.034 R)
• M3: 1,466,957 km (0.074 R)
• M4: 2,087,339 km (0.099 R)
• M5: 3,099,069 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.4

Radius: 11.4

Gravity: 7.23 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.98 AU - 2.74 AU

Year: 2418 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 122.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,729,468 km

• M1: 141,819 km (0.061 R)
• M2: 592,408 km (0.077 R)
• M3: 1,006,794 km (0.085 R)
• M4: 2,313,830 km (0.106 R)
• M5: 2,929,126 km (0.078 R)
• M6: 3,284,870 km (0.078 R)
• M7: 3,765,678 km (0.025 R)
• M8: 4,378,730 km (0.077 R)
• M9: 6,016,078 km (0.109 R)
• M10: 6,681,490 km (0.103 R)
• M11: 7,899,067 km (0.083 R)
• M12: 8,258,550 km (0.106 R)
• M13: 9,331,018 km (0.106 R)
• M14: 9,696,186 km (0.087 R)
• M15: 10,650,920 km (0.085 R)
• M16: 11,090,438 km (0.035 R)
• M17: 11,751,212 km (0.078 R)
• M18: 13,704,661 km (0.034 R)
• M19: 14,660,442 km (0.072 R)
• M20: 17,573,711 km (0.107 R)
• M21: 18,358,351 km (0.03 R)
• M22: 18,991,001 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 246.6

Radius: 11.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 2.86 AU - 4.58 AU

Year: 4785 Days

Day: 10.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 44,729,468 km

• M1: 140,622 km (0.108 R)
• M2: 508,932 km (0.069 R)
• M3: 1,172,997 km (0.054 R)
• M4: 2,730,311 km (0.083 R)
• M5: 3,348,898 km (0.084 R)
• M6: 3,740,246 km (0.045 R)
• M7: 4,482,850 km (0.082 R)
• M8: 5,622,935 km (0.082 R)
• M9: 8,707,494 km (0.04 R)
• M10: 12,464,495 km (0.105 R)
• M11: 13,135,740 km (0.086 R)
• M12: 13,690,000 km (0.079 R)
• M13: 16,326,513 km (0.062 R)
• M14: 16,805,675 km (0.095 R)
• M15: 18,470,999 km (0.085 R)
• M16: 19,521,625 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 749.9

Radius: 9

Gravity: 9.26 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 3.37 AU - 4.45 AU

Year: 5156 Days

Day: 7.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,729,468 km

• M1: 111,899 km (0.052 R)
• M2: 467,643 km (0.104 R)
• M3: 983,756 km (0.099 R)
• M4: 1,367,025 km (0.117 R)
• M5: 1,989,502 km (0.054 R)
• M6: 2,808,102 km (0.117 R)
• M7: 3,212,913 km (0.051 R)
• M8: 3,504,181 km (0.104 R)
• M9: 5,611,117 km (0.118 R)
• M10: 6,416,253 km (0.106 R)
• M11: 7,190,870 km (0.076 R)
• M12: 7,802,427 km (0.081 R)
• M13: 10,875,765 km (0.119 R)
• M14: 11,392,775 km (0.107 R)
• M15: 12,124,010 km (0.078 R)
• M16: 17,885,024 km (0.079 R)
• M17: 19,825,907 km (0.11 R)
• M18: 24,121,609 km (0.083 R)
• M19: 24,438,907 km (0.032 R)
• M20: 25,000,796 km (0.05 R)
• M21: 25,901,375 km (0.07 R)
• M22: 28,028,208 km (0.11 R)
• M23: 28,821,526 km (0.056 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.5

Radius: 12

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.28 AU - 5.32 AU

Year: 7013 Days

Day: 7.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,729,468 km

• M1: 155,582 km (0.062 R)
• M2: 580,440 km (0.114 R)
• M3: 1,275,023 km (0.096 R)
• M4: 1,899,594 km (0.099 R)
• M5: 2,555,580 km (0.116 R)
• M6: 2,964,431 km (0.111 R)
• M7: 3,808,014 km (0.081 R)
• M8: 4,755,268 km (0.113 R)
• M9: 5,165,166 km (0.12 R)
• M10: 5,767,596 km (0.062 R)
• M11: 6,204,871 km (0.081 R)
• M12: 7,930,482 km (0.076 R)
• M13: 11,744,630 km (0.106 R)
• M14: 12,258,798 km (0.067 R)
• M15: 13,332,461 km (0.118 R)
• M16: 15,388,385 km (0.114 R)
• M17: 16,175,569 km (0.118 R)
• M18: 18,698,537 km (0.071 R)
• M19: 22,958,785 km (0.103 R)
• M20: 23,837,972 km (0.11 R)
• M21: 24,587,457 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149

Radius: 7

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.92 AU - 6.5 AU

Year: 10320 Days

Day: 21.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,729,468 km

• M1: 88,113 km (0.112 R)
• M2: 325,375 km (0.112 R)
• M3: 810,372 km (0.114 R)
• M4: 1,230,592 km (0.118 R)
• M5: 1,634,806 km (0.1 R)
• M6: 2,372,173 km (0.094 R)
• M7: 2,726,122 km (0.063 R)
• M8: 3,000,185 km (0.078 R)
• M9: 3,690,280 km (0.071 R)
• M10: 5,465,708 km (0.106 R)
• M11: 5,754,731 km (0.045 R)
• M12: 6,238,530 km (0.111 R)
• M13: 6,586,645 km (0.117 R)
• M14: 7,531,505 km (0.118 R)
• M15: 9,438,728 km (0.116 R)
• M16: 10,371,770 km (0.067 R)
• M17: 12,568,914 km (0.083 R)
• M18: 13,696,732 km (0.064 R)
• M19: 15,512,701 km (0.092 R)
• M20: 17,236,218 km (0.087 R)
• M21: 19,281,819 km (0.078 R)
• M22: 19,548,403 km (0.096 R)
• M23: 21,987,147 km (0.086 R)
• M24: 22,793,629 km (0.081 R)
• M25: 24,856,733 km (0.076 R)
• M26: 25,812,365 km (0.063 R)
• M27: 27,291,289 km (0.073 R)
• M28: 27,712,108 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.5

Radius: 7.5

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 5.74 AU - 7.72 AU

Year: 11643 Days

Day: 23.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 44,729,468 km

• M1: 93,349 km (0.06 R)
• M2: 575,054 km (0.063 R)
• M3: 904,918 km (0.108 R)
• M4: 1,972,448 km (0.08 R)
• M5: 2,214,348 km (0.081 R)
• M6: 2,456,696 km (0.093 R)
• M7: 4,686,752 km (0.086 R)
• M8: 6,933,113 km (0.12 R)
• M9: 8,091,599 km (0.105 R)
• M10: 10,063,598 km (0.06 R)
• M11: 13,467,848 km (0.096 R)
• M12: 14,409,267 km (0.091 R)
• M13: 16,493,165 km (0.101 R)
• M14: 21,583,083 km (0.12 R)
• M15: 28,331,144 km (0.063 R)
• M16: 29,560,090 km (0.116 R)
• M17: 33,460,257 km (0.084 R)
• M18: 34,256,416 km (0.105 R)
• M19: 45,370,491 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 245.2

Radius: 6.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 7 AU - 7.28 AU

Year: 12723 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,729,468 km

• M1: 86,019 km (0.111 R)
• M2: 510,428 km (0.069 R)
• M3: 770,579 km (0.094 R)
• M4: 1,239,568 km (0.025 R)
• M5: 1,505,852 km (0.044 R)
• M6: 1,766,302 km (0.062 R)
• M7: 2,188,617 km (0.119 R)
• M8: 2,487,663 km (0.083 R)
• M9: 3,039,978 km (0.099 R)
• M10: 4,305,427 km (0.096 R)
• M11: 4,691,389 km (0.108 R)
• M12: 5,628,021 km (0.105 R)
• M13: 6,226,114 km (0.116 R)
• M14: 6,469,809 km (0.085 R)
• M15: 7,239,490 km (0.117 R)
• M16: 8,612,798 km (0.038 R)
• M17: 9,820,801 km (0.039 R)
• M18: 15,407,234 km (0.107 R)
• M19: 15,661,401 km (0.093 R)
• M20: 18,574,969 km (0.103 R)
• M21: 19,227,515 km (0.115 R)
• M22: 19,895,170 km (0.118 R)
• M23: 20,425,046 km (0.1 R)
• M24: 24,660,162 km (0.071 R)
• M25: 24,921,060 km (0.043 R)
• M26: 27,912,719 km (0.08 R)
• M27: 33,629,452 km (0.112 R)
• M28: 34,273,171 km (0.075 R)
• M29: 35,585,145 km (0.032 R)
• M30: 39,483,665 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170

Radius: 3.6

Gravity: 13.12 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 7.45 AU - 10.61 AU

Year: 18095 Days

Day: 17.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,729,468 km

• M1: 44,879 km (0.07 R)
• M2: 701,913 km (0.087 R)
• M3: 2,164,532 km (0.055 R)
• M4: 3,697,611 km (0.038 R)
• M5: 5,663,925 km (0.103 R)
• M6: 5,902,833 km (0.104 R)
• M7: 6,291,638 km (0.109 R)
• M8: 6,849,039 km (0.047 R)
• M9: 8,899,278 km (0.104 R)
• M10: 9,648,464 km (0.117 R)
• M11: 10,237,281 km (0.095 R)
• M12: 10,489,653 km (0.026 R)
• M13: 12,544,230 km (0.116 R)
• M14: 13,484,303 km (0.111 R)
• M15: 15,437,453 km (0.062 R)
• M16: 18,225,658 km (0.118 R)
• M17: 21,992,533 km (0.109 R)
• M18: 22,159,783 km (0.119 R)
• M19: 22,752,191 km (0.038 R)
• M20: 23,009,200 km (0.097 R)
• M21: 25,044,778 km (0.097 R)
• M22: 26,719,227 km (0.093 R)
• M23: 28,965,289 km (0.067 R)
• M24: 37,277,695 km (0.032 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 222 - 11,363 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit