🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.8

Radius: 13.5

Gravity: 0.7 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.9 AU - 1.02 AU

Year: 617 Days

Day: 13.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 56,461,581 km

• M1: 167,998 km (0.081 R)
• M2: 619,485 km (0.075 R)
• M3: 1,583,344 km (0.111 R)
• M4: 2,080,607 km (0.056 R)
• M5: 3,103,857 km (0.063 R)
• M6: 3,602,616 km (0.036 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 11

Gravity: 7.77 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.95 AU - 1.27 AU

Year: 767 Days

Day: 11 Hours

Environment

Temp: -169 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,461,581 km

• M1: 136,882 km (0.1 R)
• M2: 539,749 km (0.067 R)
• M3: 994,975 km (0.092 R)
• M4: 1,409,212 km (0.118 R)
• M5: 2,054,278 km (0.098 R)
• M6: 2,575,627 km (0.095 R)
• M7: 3,333,041 km (0.092 R)
• M8: 4,025,230 km (0.085 R)
• M9: 5,479,321 km (0.091 R)
• M10: 5,958,633 km (0.12 R)
• M11: 6,465,919 km (0.107 R)
• M12: 7,070,743 km (0.113 R)
• M13: 7,446,683 km (0.11 R)
• M14: 9,559,902 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.3

Radius: 10.8

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.13 AU - 1.33 AU

Year: 895 Days

Day: 6.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 127.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,461,581 km

• M1: 134,339 km (0.111 R)
• M2: 476,469 km (0.029 R)
• M3: 857,944 km (0.106 R)
• M4: 1,473,689 km (0.084 R)
• M5: 1,954,347 km (0.102 R)
• M6: 3,628,496 km (0.105 R)
• M7: 4,764,692 km (0.107 R)
• M8: 5,114,003 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.2

Radius: 14.5

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.13 AU - 1.45 AU

Year: 961 Days

Day: 11.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,461,581 km

• M1: 180,565 km (0.089 R)
• M2: 672,742 km (0.104 R)
• M3: 1,330,374 km (0.097 R)
• M4: 1,813,725 km (0.05 R)
• M5: 3,092,038 km (0.097 R)
• M6: 3,699,705 km (0.078 R)
• M7: 4,236,761 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.4

Radius: 14.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 1.9 AU - 2.18 AU

Year: 1911 Days

Day: 8.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,461,581 km

• M1: 178,171 km (0.079 R)
• M2: 690,095 km (0.069 R)
• M3: 1,267,543 km (0.075 R)
• M4: 1,747,004 km (0.081 R)
• M5: 2,252,495 km (0.047 R)
• M6: 2,831,289 km (0.09 R)
• M7: 3,778,244 km (0.095 R)
• M8: 4,343,275 km (0.075 R)
• M9: 5,190,897 km (0.106 R)
• M10: 6,039,266 km (0.057 R)
• M11: 6,769,453 km (0.097 R)
• M12: 7,987,180 km (0.104 R)
• M13: 8,540,393 km (0.088 R)
• M14: 9,461,617 km (0.07 R)
• M15: 10,233,242 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952

Radius: 11.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 2.89 AU - 3.25 AU

Year: 3529 Days

Day: 10.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 56,461,581 km

• M1: 163,062 km (0.048 R)
• M2: 602,879 km (0.101 R)
• M3: 1,181,674 km (0.058 R)
• M4: 1,924,577 km (0.092 R)
• M5: 2,348,387 km (0.115 R)
• M6: 2,940,047 km (0.113 R)
• M7: 4,352,999 km (0.089 R)
• M8: 4,887,213 km (0.109 R)
• M9: 5,799,012 km (0.027 R)
• M10: 7,475,705 km (0.107 R)
• M11: 10,396,005 km (0.106 R)
• M12: 11,219,691 km (0.107 R)
• M13: 11,900,211 km (0.085 R)
• M14: 12,512,067 km (0.092 R)
• M15: 14,633,365 km (0.106 R)
• M16: 16,060,977 km (0.076 R)
• M17: 18,810,885 km (0.104 R)
• M18: 19,319,219 km (0.036 R)
• M19: 20,164,895 km (0.092 R)
• M20: 21,930,300 km (0.071 R)
• M21: 22,422,626 km (0.098 R)
• M22: 23,944,336 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 268.8

Radius: 9.1

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 4.39 AU - 4.79 AU

Year: 6451 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,461,581 km

• M1: 114,891 km (0.061 R)
• M2: 418,276 km (0.096 R)
• M3: 824,583 km (0.09 R)
• M4: 1,120,488 km (0.065 R)
• M5: 1,884,933 km (0.114 R)
• M6: 2,821,565 km (0.099 R)
• M7: 3,433,122 km (0.101 R)
• M8: 4,266,681 km (0.087 R)
• M9: 5,203,014 km (0.085 R)
• M10: 5,498,171 km (0.092 R)
• M11: 8,064,971 km (0.098 R)
• M12: 15,191,514 km (0.098 R)
• M13: 16,647,999 km (0.12 R)
• M14: 23,628,385 km (0.042 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 608

Radius: 3.7

Gravity: 44.41 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 5.72 AU - 7.64 AU

Year: 11326 Days

Day: 24.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,461,581 km

• M1: 47,423 km (0.069 R)
• M2: 243,246 km (0.106 R)
• M3: 1,959,882 km (0.067 R)
• M4: 2,944,385 km (0.041 R)
• M5: 3,174,916 km (0.091 R)
• M6: 3,830,753 km (0.104 R)
• M7: 4,850,113 km (0.092 R)
• M8: 4,977,121 km (0.106 R)
• M9: 6,037,920 km (0.065 R)
• M10: 6,259,325 km (0.092 R)
• M11: 11,229,714 km (0.101 R)
• M12: 13,842,291 km (0.078 R)
• M13: 14,487,955 km (0.092 R)
• M14: 16,048,560 km (0.063 R)
• M15: 21,824,534 km (0.118 R)
• M16: 24,051,298 km (0.092 R)
• M17: 24,514,154 km (0.107 R)
• M18: 30,431,797 km (0.114 R)
• M19: 34,943,370 km (0.117 R)
• M20: 41,315,491 km (0.115 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.6

Radius: 4.1

Gravity: 35.07 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 8.39 AU - 10.85 AU

Year: 19574 Days

Day: 22.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 56,461,581 km

• M1: 51,162 km (0.047 R)
• M2: 296,503 km (0.072 R)
• M3: 665,262 km (0.072 R)
• M4: 2,300,666 km (0.111 R)
• M5: 3,994,114 km (0.069 R)
• M6: 4,964,705 km (0.092 R)
• M7: 6,082,949 km (0.075 R)
• M8: 10,545,453 km (0.103 R)
• M9: 12,305,173 km (0.106 R)
• M10: 16,715,916 km (0.101 R)
• M11: 19,630,382 km (0.1 R)
• M12: 22,866,334 km (0.117 R)
• M13: 33,237,805 km (0.095 R)
• M14: 33,884,217 km (0.113 R)
• M15: 38,362,728 km (0.08 R)
• M16: 45,240,640 km (0.072 R)
• M17: 64,518,270 km (0.063 R)
• M18: 64,919,043 km (0.116 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 289.5

Radius: 7.7

Gravity: 4.88 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.42 AU - 9.88 AU

Year: 19665 Days

Day: 21.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,461,581 km

• M1: 95,892 km (0.115 R)
• M2: 335,398 km (0.113 R)
• M3: 1,030,430 km (0.119 R)
• M4: 1,758,822 km (0.074 R)
• M5: 2,512,496 km (0.044 R)
• M6: 3,237,747 km (0.077 R)
• M7: 14,802,560 km (0.059 R)
• M8: 16,972,776 km (0.079 R)
• M9: 21,398,330 km (0.058 R)
• M10: 27,780,923 km (0.113 R)
• M11: 30,496,872 km (0.119 R)
• M12: 35,698,091 km (0.087 R)
• M13: 36,198,346 km (0.07 R)
• M14: 47,061,845 km (0.091 R)
• M15: 48,881,703 km (0.103 R)
• M16: 49,189,425 km (0.119 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 231 - 13,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit