🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.1

Radius: 10.1

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.88 AU - 1.14 AU

Year: 701 Days

Day: 6.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,038,896 km

• M1: 125,812 km (0.103 R)
• M2: 446,998 km (0.054 R)
• M3: 770,728 km (0.055 R)
• M4: 1,101,489 km (0.106 R)
• M5: 1,686,417 km (0.108 R)
• M6: 2,050,688 km (0.088 R)
• M7: 2,615,868 km (0.098 R)
• M8: 3,246,573 km (0.082 R)
• M9: 3,610,993 km (0.1 R)
• M10: 4,070,857 km (0.094 R)
• M11: 4,510,376 km (0.052 R)
• M12: 5,092,312 km (0.119 R)
• M13: 5,933,351 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.5

Radius: 12.8

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.6 AU - 1.7 AU

Year: 1463 Days

Day: 12 Hours

Environment

Temp: -204 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,038,896 km

• M1: 159,771 km (0.069 R)
• M2: 561,291 km (0.083 R)
• M3: 1,136,345 km (0.106 R)
• M4: 1,755,082 km (0.044 R)
• M5: 2,303,807 km (0.086 R)
• M6: 3,127,792 km (0.091 R)
• M7: 4,280,294 km (0.081 R)
• M8: 5,659,736 km (0.111 R)
• M9: 6,112,419 km (0.089 R)
• M10: 7,408,835 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 8.8

Gravity: 7.93 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.59 AU - 2.57 AU

Year: 2071 Days

Day: 11.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,038,896 km

• M1: 109,655 km (0.101 R)
• M2: 485,295 km (0.059 R)
• M3: 763,398 km (0.089 R)
• M4: 1,553,873 km (0.026 R)
• M5: 2,227,961 km (0.096 R)
• M6: 3,260,037 km (0.071 R)
• M7: 4,203,251 km (0.079 R)
• M8: 4,941,068 km (0.099 R)
• M9: 5,525,697 km (0.071 R)
• M10: 5,907,770 km (0.061 R)
• M11: 6,672,065 km (0.088 R)
• M12: 7,414,818 km (0.055 R)
• M13: 9,162,720 km (0.112 R)
• M14: 9,563,044 km (0.094 R)
• M15: 10,945,328 km (0.116 R)
• M16: 11,282,372 km (0.1 R)
• M17: 12,335,392 km (0.1 R)
• M18: 12,741,400 km (0.105 R)
• M19: 13,367,318 km (0.088 R)
• M20: 14,725,816 km (0.118 R)
• M21: 15,182,987 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.7

Radius: 14.8

Gravity: 2.34 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.45 AU - 2.59 AU

Year: 2761 Days

Day: 5.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 85,038,896 km

• M1: 184,005 km (0.088 R)
• M2: 1,001,408 km (0.088 R)
• M3: 1,547,291 km (0.09 R)
• M4: 2,229,906 km (0.108 R)
• M5: 2,873,476 km (0.044 R)
• M6: 3,375,526 km (0.098 R)
• M7: 3,898,371 km (0.094 R)
• M8: 4,862,080 km (0.104 R)
• M9: 5,581,197 km (0.084 R)
• M10: 6,082,201 km (0.086 R)
• M11: 6,778,579 km (0.082 R)
• M12: 8,015,753 km (0.096 R)
• M13: 9,503,354 km (0.064 R)
• M14: 11,603,409 km (0.11 R)
• M15: 14,134,456 km (0.056 R)
• M16: 14,644,136 km (0.108 R)
• M17: 16,097,180 km (0.038 R)
• M18: 17,222,455 km (0.062 R)
• M19: 18,019,363 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 757.3

Radius: 7.6

Gravity: 13.11 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.12 AU - 6.96 AU

Year: 10246 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,038,896 km

• M1: 94,546 km (0.111 R)
• M2: 461,659 km (0.053 R)
• M3: 738,714 km (0.115 R)
• M4: 998,715 km (0.079 R)
• M5: 1,372,261 km (0.076 R)
• M6: 2,141,194 km (0.115 R)
• M7: 2,401,495 km (0.045 R)
• M8: 3,169,680 km (0.064 R)
• M9: 4,525,186 km (0.109 R)
• M10: 4,768,432 km (0.096 R)
• M11: 5,585,835 km (0.084 R)
• M12: 8,099,977 km (0.055 R)
• M13: 9,853,862 km (0.085 R)
• M14: 11,732,961 km (0.113 R)
• M15: 13,586,179 km (0.104 R)
• M16: 15,834,187 km (0.049 R)
• M17: 23,317,970 km (0.117 R)
• M18: 23,771,550 km (0.104 R)
• M19: 25,072,902 km (0.093 R)
• M20: 25,357,737 km (0.092 R)
• M21: 30,215,628 km (0.089 R)
• M22: 31,520,271 km (0.092 R)
• M23: 33,317,839 km (0.103 R)
• M24: 38,611,360 km (0.05 R)
• M25: 39,888,178 km (0.082 R)
• M26: 40,798,331 km (0.054 R)
• M27: 42,525,588 km (0.118 R)
• M28: 43,066,684 km (0.033 R)
• M29: 49,623,259 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.1

Radius: 4.3

Gravity: 28.99 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.87 AU - 7.63 AU

Year: 10785 Days

Day: 20.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,038,896 km

• M1: 61,634 km (0.08 R)
• M2: 207,043 km (0.118 R)
• M3: 413,638 km (0.08 R)
• M4: 547,528 km (0.1 R)
• M5: 987,196 km (0.064 R)
• M6: 1,244,804 km (0.07 R)
• M7: 1,617,153 km (0.043 R)
• M8: 1,751,492 km (0.076 R)
• M9: 2,480,931 km (0.092 R)
• M10: 2,660,449 km (0.084 R)
• M11: 3,820,580 km (0.112 R)
• M12: 4,718,915 km (0.112 R)
• M13: 4,901,873 km (0.102 R)
• M14: 6,100,751 km (0.054 R)
• M15: 6,691,513 km (0.113 R)
• M16: 6,883,746 km (0.088 R)
• M17: 7,319,674 km (0.082 R)
• M18: 8,967,345 km (0.071 R)
• M19: 9,926,716 km (0.072 R)
• M20: 10,482,622 km (0.087 R)
• M21: 11,382,154 km (0.055 R)
• M22: 13,212,783 km (0.107 R)
• M23: 13,761,059 km (0.058 R)
• M24: 14,772,939 km (0.102 R)
• M25: 16,243,786 km (0.115 R)
• M26: 18,856,812 km (0.06 R)
• M27: 20,503,435 km (0.103 R)
• M28: 21,904,868 km (0.111 R)
• M29: 22,243,558 km (0.109 R)
• M30: 25,080,681 km (0.07 R)
• M31: 30,504,203 km (0.106 R)
• M32: 39,963,426 km (0.096 R)
• M33: 43,593,418 km (0.1 R)
• M34: 45,351,043 km (0.085 R)
• M35: 46,316,698 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.8

Radius: 7.5

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 6.09 AU - 8.93 AU

Year: 14206 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 85,038,896 km

• M1: 93,648 km (0.096 R)
• M2: 332,706 km (0.115 R)
• M3: 603,029 km (0.078 R)
• M4: 870,959 km (0.075 R)
• M5: 1,197,980 km (0.116 R)
• M6: 1,686,566 km (0.057 R)
• M7: 1,962,126 km (0.114 R)
• M8: 2,200,734 km (0.034 R)
• M9: 4,734,623 km (0.115 R)
• M10: 6,452,306 km (0.093 R)
• M11: 6,768,556 km (0.081 R)
• M12: 8,097,434 km (0.094 R)
• M13: 10,050,883 km (0.111 R)
• M14: 10,669,021 km (0.071 R)
• M15: 11,464,433 km (0.059 R)
• M16: 13,341,138 km (0.05 R)
• M17: 13,739,667 km (0.098 R)
• M18: 16,689,886 km (0.047 R)
• M19: 21,555,258 km (0.061 R)
• M20: 21,789,379 km (0.106 R)
• M21: 26,388,616 km (0.085 R)
• M22: 30,997,128 km (0.039 R)
• M23: 32,406,190 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.6

Radius: 5.7

Gravity: 6.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.19 AU - 11.57 AU

Year: 19830 Days

Day: 23.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 85,038,896 km

• M1: 71,358 km (0.116 R)
• M2: 351,555 km (0.09 R)
• M3: 633,996 km (0.111 R)
• M4: 1,275,023 km (0.103 R)
• M5: 2,785,213 km (0.069 R)
• M6: 3,776,449 km (0.047 R)
• M7: 14,206,263 km (0.066 R)
• M8: 19,443,086 km (0.084 R)
• M9: 21,959,771 km (0.076 R)
• M10: 28,243,629 km (0.095 R)
• M11: 32,809,805 km (0.061 R)
• M12: 34,434,887 km (0.098 R)
• M13: 35,387,077 km (0.049 R)
• M14: 35,991,153 km (0.104 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.5

Radius: 7.1

Gravity: 19.11 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.57 AU - 10.25 AU

Year: 19925 Days

Day: 20.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 85,038,896 km

• M1: 88,412 km (0.108 R)
• M2: 535,860 km (0.119 R)
• M3: 809,474 km (0.089 R)
• M4: 1,219,223 km (0.099 R)
• M5: 2,181,735 km (0.118 R)
• M6: 4,185,300 km (0.11 R)
• M7: 14,068,333 km (0.062 R)
• M8: 14,927,175 km (0.116 R)
• M9: 16,238,250 km (0.031 R)
• M10: 16,835,296 km (0.083 R)
• M11: 18,073,068 km (0.094 R)
• M12: 19,752,304 km (0.076 R)
• M13: 24,069,849 km (0.067 R)
• M14: 27,512,844 km (0.111 R)
• M15: 28,483,435 km (0.05 R)
• M16: 30,621,637 km (0.072 R)
• M17: 34,233,977 km (0.061 R)
• M18: 38,120,380 km (0.084 R)
• M19: 39,631,468 km (0.119 R)
• M20: 44,568,946 km (0.054 R)
• M21: 44,900,903 km (0.103 R)
• M22: 48,661,943 km (0.087 R)
• M23: 52,442,880 km (0.109 R)
• M24: 61,605,301 km (0.032 R)
• M25: 64,952,553 km (0.086 R)
• M26: 69,750,007 km (0.106 R)
• M27: 79,798,646 km (0.098 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 17,605 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit