🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.1

Radius: 15

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.55 AU - 0.67 AU

Year: 335 Days

Day: 10.7 Hours

Environment

Temp: -143 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,184,801 km

• M1: 186,549 km (0.1 R)
• M2: 679,025 km (0.116 R)
• M3: 1,362,687 km (0.086 R)
• M4: 1,962,574 km (0.098 R)
• M5: 2,477,490 km (0.076 R)
• M6: 3,287,114 km (0.072 R)
• M7: 3,820,879 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.2

Radius: 14.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.66 AU - 0.86 AU

Year: 466 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,184,801 km

• M1: 175,777 km (0.095 R)
• M2: 635,641 km (0.104 R)
• M3: 1,137,841 km (0.119 R)
• M4: 1,675,047 km (0.069 R)
• M5: 2,373,221 km (0.068 R)
• M6: 3,214,260 km (0.082 R)
• M7: 3,755,655 km (0.084 R)
• M8: 4,204,897 km (0.05 R)
• M9: 4,946,902 km (0.104 R)
• M10: 5,522,106 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.2

Radius: 13.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.77 AU - 0.83 AU

Year: 503 Days

Day: 11.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,184,801 km

• M1: 168,746 km (0.113 R)
• M2: 611,406 km (0.117 R)
• M3: 1,083,986 km (0.099 R)
• M4: 2,459,090 km (0.052 R)
• M5: 2,914,316 km (0.117 R)
• M6: 3,644,952 km (0.102 R)
• M7: 4,563,333 km (0.12 R)
• M8: 5,077,651 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.6

Radius: 8.9

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.03 AU - 1.15 AU

Year: 800 Days

Day: 10 Hours

Environment

Temp: -183 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 53,184,801 km

• M1: 111,899 km (0.091 R)
• M2: 847,023 km (0.04 R)
• M3: 1,182,422 km (0.088 R)
• M4: 2,067,592 km (0.118 R)
• M5: 4,221,802 km (0.117 R)
• M6: 4,592,954 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743.3

Radius: 10.7

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.25 AU - 1.95 AU

Year: 1423 Days

Day: 5.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,184,801 km

• M1: 133,142 km (0.039 R)
• M2: 467,344 km (0.113 R)
• M3: 903,422 km (0.099 R)
• M4: 1,575,415 km (0.107 R)
• M5: 1,927,269 km (0.114 R)
• M6: 2,272,541 km (0.063 R)
• M7: 3,134,823 km (0.064 R)
• M8: 4,404,760 km (0.056 R)
• M9: 4,929,998 km (0.044 R)
• M10: 5,281,852 km (0.108 R)
• M11: 5,762,211 km (0.12 R)
• M12: 6,224,019 km (0.102 R)
• M13: 8,208,585 km (0.09 R)
• M14: 8,556,699 km (0.11 R)
• M15: 9,066,828 km (0.087 R)
• M16: 10,685,626 km (0.091 R)
• M17: 11,242,130 km (0.084 R)
• M18: 11,672,075 km (0.092 R)
• M19: 12,413,183 km (0.119 R)
• M20: 12,950,239 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.6

Radius: 9.1

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.5 AU - 1.78 AU

Year: 1476 Days

Day: 9.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 53,184,801 km

• M1: 113,096 km (0.111 R)
• M2: 501,901 km (0.063 R)
• M3: 922,420 km (0.119 R)
• M4: 1,297,014 km (0.059 R)
• M5: 1,722,919 km (0.034 R)
• M6: 2,046,050 km (0.104 R)
• M7: 2,497,836 km (0.08 R)
• M8: 3,536,793 km (0.096 R)
• M9: 3,923,055 km (0.103 R)
• M10: 4,721,159 km (0.113 R)
• M11: 5,339,298 km (0.11 R)
• M12: 6,057,218 km (0.116 R)
• M13: 7,043,217 km (0.089 R)
• M14: 7,794,647 km (0.091 R)
• M15: 8,104,165 km (0.092 R)
• M16: 8,568,966 km (0.097 R)
• M17: 9,330,868 km (0.066 R)
• M18: 10,137,051 km (0.108 R)
• M19: 10,472,300 km (0.053 R)
• M20: 11,200,393 km (0.094 R)
• M21: 12,073,446 km (0.073 R)
• M22: 12,488,430 km (0.104 R)
• M23: 13,108,962 km (0.091 R)
• M24: 13,466,950 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 11.2

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 4.96 AU - 5.54 AU

Year: 8456 Days

Day: 14.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,184,801 km

• M1: 139,724 km (0.053 R)
• M2: 557,102 km (0.11 R)
• M3: 1,040,902 km (0.049 R)
• M4: 1,595,012 km (0.112 R)
• M5: 2,026,303 km (0.083 R)
• M6: 2,666,133 km (0.085 R)
• M7: 3,065,560 km (0.065 R)
• M8: 3,436,263 km (0.034 R)
• M9: 5,797,366 km (0.055 R)
• M10: 6,162,684 km (0.096 R)
• M11: 7,545,118 km (0.09 R)
• M12: 10,038,765 km (0.073 R)
• M13: 11,420,601 km (0.087 R)
• M14: 12,265,081 km (0.11 R)
• M15: 12,925,256 km (0.036 R)
• M16: 15,048,947 km (0.111 R)
• M17: 17,809,327 km (0.049 R)
• M18: 18,370,918 km (0.098 R)
• M19: 20,051,799 km (0.103 R)
• M20: 22,476,332 km (0.069 R)
• M21: 22,967,163 km (0.041 R)
• M22: 24,225,879 km (0.033 R)
• M23: 30,513,328 km (0.069 R)
• M24: 31,827,845 km (0.039 R)
• M25: 34,678,133 km (0.073 R)
• M26: 37,694,475 km (0.106 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 108.4

Radius: 3.5

Gravity: 8.85 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.99 AU - 8.63 AU

Year: 16839 Days

Day: 15.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,184,801 km

• M1: 43,683 km (0.09 R)
• M2: 169,794 km (0.094 R)
• M3: 283,189 km (0.106 R)
• M4: 495,319 km (0.111 R)
• M5: 756,965 km (0.118 R)
• M6: 974,929 km (0.108 R)
• M7: 1,233,285 km (0.098 R)
• M8: 1,796,670 km (0.075 R)
• M9: 5,783,005 km (0.107 R)
• M10: 7,457,005 km (0.071 R)
• M11: 8,527,677 km (0.089 R)
• M12: 8,863,674 km (0.082 R)
• M13: 11,772,904 km (0.111 R)
• M14: 21,458,767 km (0.05 R)
• M15: 22,001,209 km (0.056 R)
• M16: 26,232,435 km (0.108 R)
• M17: 33,910,845 km (0.067 R)
• M18: 34,646,268 km (0.083 R)
• M19: 34,964,762 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 211.4

Radius: 4.9

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.81 AU - 11.47 AU

Year: 21039 Days

Day: 18.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,184,801 km

• M1: 69,713 km (0.095 R)
• M2: 634,295 km (0.106 R)
• M3: 901,028 km (0.098 R)
• M4: 1,901,539 km (0.083 R)
• M5: 2,539,424 km (0.069 R)
• M6: 3,486,378 km (0.077 R)
• M7: 7,317,131 km (0.075 R)
• M8: 7,573,691 km (0.112 R)
• M9: 8,104,913 km (0.032 R)
• M10: 8,472,625 km (0.055 R)
• M11: 10,372,518 km (0.049 R)
• M12: 16,912,638 km (0.109 R)
• M13: 17,361,282 km (0.061 R)
• M14: 20,982,897 km (0.055 R)
• M15: 21,154,635 km (0.115 R)
• M16: 21,500,804 km (0.065 R)
• M17: 33,264,732 km (0.069 R)
• M18: 38,018,803 km (0.067 R)
• M19: 47,355,954 km (0.073 R)
• M20: 49,755,205 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 11,866 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit