🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.2

Radius: 11.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.82 AU - 0.88 AU

Year: 506 Days

Day: 14.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,529,894 km

• M1: 143,016 km (0.112 R)
• M2: 819,946 km (0.107 R)
• M3: 1,288,337 km (0.114 R)
• M4: 1,969,007 km (0.088 R)
• M5: 2,457,893 km (0.092 R)
• M6: 3,256,147 km (0.048 R)
• M7: 4,585,474 km (0.09 R)
• M8: 5,398,838 km (0.103 R)
• M9: 5,868,126 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 522.6

Radius: 11.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.99 AU - 1.35 AU

Year: 817 Days

Day: 7 Hours

Environment

Temp: -168 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,529,894 km

• M1: 138,228 km (0.077 R)
• M2: 510,129 km (0.092 R)
• M3: 881,879 km (0.1 R)
• M4: 1,232,836 km (0.097 R)
• M5: 1,872,217 km (0.044 R)
• M6: 2,533,590 km (0.092 R)
• M7: 2,919,552 km (0.038 R)
• M8: 3,825,816 km (0.107 R)
• M9: 4,463,701 km (0.077 R)
• M10: 5,608,125 km (0.114 R)
• M11: 6,289,543 km (0.099 R)
• M12: 6,724,275 km (0.085 R)
• M13: 7,470,918 km (0.089 R)
• M14: 8,199,010 km (0.079 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.4

Radius: 9.1

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.04 AU - 1.52 AU

Year: 935 Days

Day: 11.2 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,529,894 km

• M1: 147,803 km (0.106 R)
• M2: 467,045 km (0.085 R)
• M3: 933,341 km (0.117 R)
• M4: 1,444,068 km (0.078 R)
• M5: 2,033,484 km (0.063 R)
• M6: 3,687,288 km (0.093 R)
• M7: 4,074,747 km (0.104 R)
• M8: 4,520,100 km (0.112 R)
• M9: 5,113,704 km (0.075 R)
• M10: 6,034,778 km (0.051 R)
• M11: 7,020,927 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.7

Radius: 13.1

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.63 AU - 1.87 AU

Year: 1495 Days

Day: 11.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,529,894 km

• M1: 163,062 km (0.096 R)
• M2: 573,708 km (0.066 R)
• M3: 1,118,543 km (0.064 R)
• M4: 1,998,328 km (0.083 R)
• M5: 2,835,628 km (0.106 R)
• M6: 3,731,420 km (0.1 R)
• M7: 4,255,012 km (0.093 R)
• M8: 5,062,542 km (0.103 R)
• M9: 5,513,878 km (0.084 R)
• M10: 7,310,549 km (0.09 R)
• M11: 7,781,782 km (0.108 R)
• M12: 8,583,627 km (0.038 R)
• M13: 10,515,234 km (0.086 R)
• M14: 11,082,809 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 12.4

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.17 AU - 2.25 AU

Year: 2121 Days

Day: 11.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,529,894 km

• M1: 154,235 km (0.079 R)
• M2: 623,374 km (0.073 R)
• M3: 1,211,144 km (0.116 R)
• M4: 1,609,374 km (0.025 R)
• M5: 2,970,116 km (0.036 R)
• M6: 3,747,576 km (0.086 R)
• M7: 4,338,189 km (0.066 R)
• M8: 5,800,957 km (0.101 R)
• M9: 7,097,521 km (0.079 R)
• M10: 8,578,690 km (0.119 R)
• M11: 9,310,373 km (0.077 R)
• M12: 9,708,453 km (0.111 R)
• M13: 12,380,720 km (0.106 R)
• M14: 12,781,642 km (0.096 R)
• M15: 13,399,182 km (0.05 R)
• M16: 14,253,386 km (0.117 R)
• M17: 15,280,226 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.4

Radius: 13.9

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 5.11 AU - 6.03 AU

Year: 8488 Days

Day: 8.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,529,894 km

• M1: 186,249 km (0.101 R)
• M2: 768,634 km (0.096 R)
• M3: 1,212,640 km (0.086 R)
• M4: 1,821,653 km (0.061 R)
• M5: 2,370,677 km (0.051 R)
• M6: 3,151,130 km (0.094 R)
• M7: 3,716,310 km (0.113 R)
• M8: 5,081,092 km (0.105 R)
• M9: 7,329,996 km (0.117 R)
• M10: 8,012,462 km (0.067 R)
• M11: 9,200,867 km (0.099 R)
• M12: 10,086,786 km (0.092 R)
• M13: 11,224,179 km (0.095 R)
• M14: 14,852,525 km (0.108 R)
• M15: 17,356,794 km (0.027 R)
• M16: 22,318,656 km (0.088 R)
• M17: 23,753,898 km (0.084 R)
• M18: 25,934,436 km (0.117 R)
• M19: 31,078,958 km (0.063 R)
• M20: 35,784,110 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 561.2

Radius: 4.2

Gravity: 31.81 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.03 AU - 8.07 AU

Year: 10824 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,529,894 km

• M1: 52,808 km (0.091 R)
• M2: 336,894 km (0.111 R)
• M3: 863,329 km (0.079 R)
• M4: 1,418,786 km (0.049 R)
• M5: 2,483,624 km (0.055 R)
• M6: 4,242,296 km (0.113 R)
• M7: 4,471,780 km (0.089 R)
• M8: 5,050,275 km (0.114 R)
• M9: 6,465,919 km (0.062 R)
• M10: 10,051,182 km (0.082 R)
• M11: 13,022,644 km (0.111 R)
• M12: 14,448,761 km (0.118 R)
• M13: 15,232,654 km (0.082 R)
• M14: 16,113,486 km (0.114 R)
• M15: 17,754,126 km (0.099 R)
• M16: 18,652,760 km (0.099 R)
• M17: 19,036,030 km (0.063 R)
• M18: 19,268,505 km (0.06 R)
• M19: 20,621,618 km (0.111 R)
• M20: 22,207,505 km (0.116 R)
• M21: 22,637,898 km (0.051 R)
• M22: 22,986,311 km (0.045 R)
• M23: 23,426,727 km (0.117 R)
• M24: 24,781,934 km (0.115 R)
• M25: 24,966,538 km (0.12 R)
• M26: 25,713,929 km (0.103 R)
• M27: 25,998,016 km (0.083 R)
• M28: 26,572,322 km (0.105 R)
• M29: 27,253,142 km (0.093 R)
• M30: 34,139,431 km (0.102 R)
• M31: 37,919,320 km (0.049 R)
• M32: 39,280,362 km (0.107 R)
• M33: 44,368,335 km (0.118 R)
• M34: 46,436,825 km (0.041 R)
• M35: 46,717,321 km (0.056 R)
• M36: 46,857,943 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.8

Radius: 7.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.29 AU - 10.35 AU

Year: 21406 Days

Day: 17.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,529,894 km

• M1: 131,796 km (0.097 R)
• M2: 496,815 km (0.111 R)
• M3: 801,695 km (0.116 R)
• M4: 1,351,916 km (0.11 R)
• M5: 1,600,099 km (0.11 R)
• M6: 4,454,277 km (0.052 R)
• M7: 5,011,828 km (0.054 R)
• M8: 6,425,977 km (0.086 R)
• M9: 7,401,055 km (0.118 R)
• M10: 8,088,158 km (0.092 R)
• M11: 11,684,790 km (0.077 R)
• M12: 12,299,937 km (0.043 R)
• M13: 14,623,641 km (0.051 R)
• M14: 16,300,932 km (0.089 R)
• M15: 19,093,326 km (0.032 R)
• M16: 21,363,474 km (0.094 R)
• M17: 22,004,201 km (0.065 R)
• M18: 23,807,753 km (0.053 R)
• M19: 27,922,592 km (0.1 R)
• M20: 30,837,357 km (0.088 R)
• M21: 32,010,504 km (0.102 R)
• M22: 44,825,506 km (0.099 R)
• M23: 46,787,332 km (0.087 R)
• M24: 48,491,551 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.1

Radius: 4.1

Gravity: 17.61 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 8.82 AU - 12.62 AU

Year: 22662 Days

Day: 24 Hours

Environment

Temp: -230 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 62,529,894 km

• M1: 52,509 km (0.063 R)
• M2: 433,834 km (0.045 R)
• M3: 1,062,743 km (0.052 R)
• M4: 1,364,632 km (0.088 R)
• M5: 1,559,109 km (0.119 R)
• M6: 2,079,111 km (0.104 R)
• M7: 2,616,616 km (0.104 R)
• M8: 3,479,347 km (0.063 R)
• M9: 3,728,727 km (0.105 R)
• M10: 4,713,081 km (0.096 R)
• M11: 5,265,097 km (0.098 R)
• M12: 5,409,609 km (0.097 R)
• M13: 6,014,283 km (0.065 R)
• M14: 6,960,639 km (0.106 R)
• M15: 9,300,051 km (0.113 R)
• M16: 9,618,395 km (0.092 R)
• M17: 10,559,665 km (0.08 R)
• M18: 11,500,336 km (0.044 R)
• M19: 12,304,574 km (0.025 R)
• M20: 14,869,580 km (0.103 R)
• M21: 16,894,387 km (0.108 R)
• M22: 17,288,577 km (0.082 R)
• M23: 19,011,047 km (0.119 R)
• M24: 20,934,876 km (0.1 R)
• M25: 23,274,138 km (0.112 R)
• M26: 25,471,730 km (0.086 R)
• M27: 26,303,943 km (0.038 R)
• M28: 32,522,427 km (0.114 R)
• M29: 36,034,537 km (0.083 R)
• M30: 37,347,557 km (0.117 R)
• M31: 39,101,891 km (0.114 R)
• M32: 40,069,042 km (0.081 R)
• M33: 41,763,686 km (0.104 R)
• M34: 43,211,794 km (0.108 R)
• M35: 43,800,461 km (0.076 R)
• M36: 45,144,149 km (0.119 R)
• M37: 49,500,140 km (0.104 R)
• M38: 53,957,858 km (0.084 R)
• M39: 59,216,372 km (0.109 R)
• M40: 60,858,059 km (0.059 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: 327 - 14,677 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit