🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 12.7

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.66 AU - 0.96 AU

Year: 471 Days

Day: 14.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 53,129,171 km

• M1: 157,975 km (0.101 R)
• M2: 623,524 km (0.074 R)
• M3: 1,058,704 km (0.118 R)
• M4: 1,538,764 km (0.09 R)
• M5: 1,997,281 km (0.095 R)
• M6: 2,612,727 km (0.07 R)
• M7: 3,252,407 km (0.118 R)
• M8: 3,759,544 km (0.061 R)
• M9: 4,440,364 km (0.074 R)
• M10: 4,963,358 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.3

Radius: 13.3

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 1.98 AU - 1.98 AU

Year: 1799 Days

Day: 8.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,129,171 km

• M1: 165,455 km (0.081 R)
• M2: 626,965 km (0.099 R)
• M3: 1,045,390 km (0.101 R)
• M4: 1,820,606 km (0.1 R)
• M5: 2,281,667 km (0.07 R)
• M6: 2,762,474 km (0.081 R)
• M7: 3,193,167 km (0.115 R)
• M8: 3,946,990 km (0.051 R)
• M9: 4,480,606 km (0.118 R)
• M10: 5,445,961 km (0.08 R)
• M11: 5,908,817 km (0.043 R)
• M12: 8,580,635 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.4

Radius: 14.3

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.06 AU - 2.7 AU

Year: 2371 Days

Day: 10.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 53,129,171 km

• M1: 180,415 km (0.114 R)
• M2: 1,458,729 km (0.079 R)
• M3: 2,222,725 km (0.111 R)
• M4: 4,342,078 km (0.099 R)
• M5: 4,910,101 km (0.05 R)
• M6: 7,241,883 km (0.096 R)
• M7: 7,885,453 km (0.104 R)
• M8: 8,939,670 km (0.065 R)
• M9: 10,850,633 km (0.057 R)
• M10: 13,789,483 km (0.084 R)
• M11: 17,929,305 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 992.8

Radius: 8.1

Gravity: 15.13 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.19 AU - 4.25 AU

Year: 4633 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,129,171 km

• M1: 100,679 km (0.066 R)
• M2: 383,719 km (0.064 R)
• M3: 723,904 km (0.048 R)
• M4: 1,373,308 km (0.08 R)
• M5: 1,835,566 km (0.095 R)
• M6: 2,465,373 km (0.11 R)
• M7: 2,973,108 km (0.027 R)
• M8: 3,231,613 km (0.037 R)
• M9: 3,748,923 km (0.085 R)
• M10: 4,221,054 km (0.102 R)
• M11: 5,428,757 km (0.115 R)
• M12: 6,033,731 km (0.108 R)
• M13: 7,164,242 km (0.1 R)
• M14: 7,595,084 km (0.11 R)
• M15: 7,854,337 km (0.118 R)
• M16: 8,548,322 km (0.069 R)
• M17: 9,881,987 km (0.108 R)
• M18: 11,158,356 km (0.102 R)
• M19: 12,034,700 km (0.106 R)
• M20: 13,759,563 km (0.048 R)
• M21: 15,942,645 km (0.064 R)
• M22: 16,615,387 km (0.043 R)
• M23: 19,565,756 km (0.044 R)
• M24: 20,265,874 km (0.064 R)
• M25: 25,066,021 km (0.119 R)
• M26: 28,035,090 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 10.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.06 AU - 5.4 AU

Year: 7723 Days

Day: 14.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,129,171 km

• M1: 133,890 km (0.091 R)
• M2: 707,149 km (0.109 R)
• M3: 1,729,351 km (0.07 R)
• M4: 2,308,295 km (0.098 R)
• M5: 2,972,061 km (0.075 R)
• M6: 3,595,585 km (0.042 R)
• M7: 6,501,823 km (0.108 R)
• M8: 8,506,584 km (0.11 R)
• M9: 12,425,898 km (0.044 R)
• M10: 13,077,547 km (0.113 R)
• M11: 20,377,474 km (0.111 R)
• M12: 22,934,401 km (0.103 R)
• M13: 24,838,183 km (0.078 R)
• M14: 33,512,167 km (0.085 R)
• M15: 36,067,897 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 575.3

Radius: 7.9

Gravity: 9.22 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.75 AU - 7.79 AU

Year: 10137 Days

Day: 17.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,129,171 km

• M1: 99,183 km (0.114 R)
• M2: 520,002 km (0.098 R)
• M3: 994,527 km (0.1 R)
• M4: 3,034,593 km (0.099 R)
• M5: 5,621,439 km (0.098 R)
• M6: 6,725,471 km (0.115 R)
• M7: 7,150,030 km (0.05 R)
• M8: 8,800,693 km (0.066 R)
• M9: 10,485,464 km (0.079 R)
• M10: 12,836,544 km (0.091 R)
• M11: 13,672,198 km (0.091 R)
• M12: 15,385,543 km (0.097 R)
• M13: 16,673,879 km (0.081 R)
• M14: 17,740,662 km (0.115 R)
• M15: 18,402,184 km (0.073 R)
• M16: 19,080,012 km (0.091 R)
• M17: 21,791,772 km (0.114 R)
• M18: 22,042,648 km (0.084 R)
• M19: 23,942,391 km (0.038 R)
• M20: 24,299,182 km (0.063 R)
• M21: 28,660,858 km (0.106 R)
• M22: 36,727,324 km (0.033 R)
• M23: 38,650,555 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 652.9

Radius: 5

Gravity: 26.12 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.37 AU - 8.47 AU

Year: 13050 Days

Day: 21.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 173 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 53,129,171 km

• M1: 62,682 km (0.095 R)
• M2: 219,909 km (0.05 R)
• M3: 436,078 km (0.102 R)
• M4: 606,021 km (0.097 R)
• M5: 1,121,236 km (0.09 R)
• M6: 1,297,462 km (0.049 R)
• M7: 1,536,370 km (0.108 R)
• M8: 2,029,744 km (0.113 R)
• M9: 2,413,313 km (0.068 R)
• M10: 2,821,117 km (0.095 R)
• M11: 3,273,351 km (0.118 R)
• M12: 3,663,502 km (0.065 R)
• M13: 3,997,554 km (0.066 R)
• M14: 4,321,134 km (0.096 R)
• M15: 5,054,314 km (0.064 R)
• M16: 5,397,790 km (0.091 R)
• M17: 7,223,483 km (0.032 R)
• M18: 7,395,670 km (0.102 R)
• M19: 11,270,105 km (0.103 R)
• M20: 12,523,137 km (0.076 R)
• M21: 18,069,777 km (0.098 R)
• M22: 19,696,056 km (0.071 R)
• M23: 20,202,295 km (0.089 R)
• M24: 21,328,916 km (0.102 R)
• M25: 21,594,752 km (0.088 R)
• M26: 23,423,735 km (0.073 R)
• M27: 23,801,620 km (0.062 R)
• M28: 25,751,927 km (0.115 R)
• M29: 27,178,792 km (0.049 R)
• M30: 44,309,992 km (0.082 R)
• M31: 45,470,572 km (0.101 R)
• M32: 48,613,025 km (0.113 R)
• M33: 51,419,481 km (0.114 R)
• M34: 52,217,735 km (0.117 R)
• M35: 55,493,629 km (0.038 R)
• M36: 55,828,579 km (0.108 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 577.9

Radius: 7.6

Gravity: 10.01 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.44 AU - 8.26 AU

Year: 14201 Days

Day: 17.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,129,171 km

• M1: 94,546 km (0.08 R)
• M2: 370,255 km (0.043 R)
• M3: 654,341 km (0.087 R)
• M4: 1,087,128 km (0.095 R)
• M5: 2,037,523 km (0.078 R)
• M6: 2,379,803 km (0.101 R)
• M7: 2,849,690 km (0.1 R)
• M8: 4,089,707 km (0.103 R)
• M9: 4,994,175 km (0.064 R)
• M10: 6,178,392 km (0.088 R)
• M11: 6,981,583 km (0.12 R)
• M12: 7,321,619 km (0.112 R)
• M13: 7,717,305 km (0.099 R)
• M14: 8,793,662 km (0.086 R)
• M15: 9,291,524 km (0.112 R)
• M16: 10,563,255 km (0.088 R)
• M17: 17,046,677 km (0.097 R)
• M18: 18,780,068 km (0.052 R)
• M19: 19,857,921 km (0.115 R)
• M20: 24,388,791 km (0.07 R)
• M21: 24,778,494 km (0.088 R)
• M22: 26,277,165 km (0.059 R)
• M23: 30,680,130 km (0.056 R)
• M24: 31,477,935 km (0.112 R)
• M25: 32,172,817 km (0.053 R)
• M26: 34,440,571 km (0.109 R)
• M27: 38,104,074 km (0.043 R)
• M28: 38,628,863 km (0.088 R)
• M29: 40,232,403 km (0.07 R)
• M30: 46,641,325 km (0.093 R)
• M31: 50,954,381 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 232

Radius: 5.9

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.82 AU - 10.94 AU

Year: 20052 Days

Day: 18.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 178.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,129,171 km

• M1: 82,728 km (0.112 R)
• M2: 431,590 km (0.075 R)
• M3: 1,463,366 km (0.114 R)
• M4: 4,321,134 km (0.1 R)
• M5: 7,750,666 km (0.091 R)
• M6: 8,061,979 km (0.096 R)
• M7: 9,440,822 km (0.083 R)
• M8: 10,640,897 km (0.067 R)
• M9: 12,234,862 km (0.062 R)
• M10: 13,213,830 km (0.05 R)
• M11: 13,403,072 km (0.114 R)
• M12: 16,977,563 km (0.103 R)
• M13: 19,629,784 km (0.11 R)
• M14: 24,106,799 km (0.092 R)
• M15: 28,165,090 km (0.101 R)
• M16: 29,219,755 km (0.081 R)
• M17: 35,860,854 km (0.099 R)
• M18: 42,474,426 km (0.089 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 462 - 17,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit