🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463

Radius: 14

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.65 AU - 0.91 AU

Year: 445 Days

Day: 12.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 165.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,047,396 km

• M1: 174,282 km (0.064 R)
• M2: 671,246 km (0.117 R)
• M3: 1,249,741 km (0.12 R)
• M4: 1,851,722 km (0.094 R)
• M5: 2,523,716 km (0.052 R)
• M6: 3,377,172 km (0.103 R)
• M7: 4,281,790 km (0.073 R)
• M8: 5,204,660 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 20.2

Radius: 14.2

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.87 AU - 0.91 AU

Year: 542 Days

Day: 13.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 80,047,396 km

• M1: 179,667 km (0.098 R)
• M2: 669,750 km (0.117 R)
• M3: 1,400,535 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.9

Radius: 11.7

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.13 AU - 1.39 AU

Year: 913 Days

Day: 14.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,047,396 km

• M1: 145,559 km (0.106 R)
• M2: 585,376 km (0.078 R)
• M3: 1,371,962 km (0.053 R)
• M4: 1,748,350 km (0.093 R)
• M5: 2,155,705 km (0.118 R)
• M6: 2,905,639 km (0.109 R)
• M7: 3,469,773 km (0.064 R)
• M8: 4,616,441 km (0.078 R)
• M9: 5,079,895 km (0.089 R)
• M10: 5,650,012 km (0.114 R)
• M11: 6,020,417 km (0.083 R)
• M12: 7,366,498 km (0.031 R)
• M13: 7,833,244 km (0.045 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 8.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.54 AU - 1.86 AU

Year: 1431 Days

Day: 5.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,047,396 km

• M1: 110,702 km (0.105 R)
• M2: 499,956 km (0.112 R)
• M3: 1,388,567 km (0.094 R)
• M4: 2,081,954 km (0.091 R)
• M5: 3,224,283 km (0.12 R)
• M6: 4,721,458 km (0.113 R)
• M7: 5,022,898 km (0.081 R)
• M8: 6,247,506 km (0.033 R)
• M9: 7,357,223 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 10.4

Gravity: 5.64 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.07 AU - 2.63 AU

Year: 2326 Days

Day: 7 Hours

Environment

Temp: -196 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,047,396 km

• M1: 134,488 km (0.032 R)
• M2: 964,308 km (0.057 R)
• M3: 1,593,965 km (0.107 R)
• M4: 2,166,028 km (0.097 R)
• M5: 2,648,780 km (0.105 R)
• M6: 3,684,745 km (0.112 R)
• M7: 4,078,038 km (0.027 R)
• M8: 4,478,661 km (0.063 R)
• M9: 6,483,721 km (0.086 R)
• M10: 7,550,055 km (0.099 R)
• M11: 10,099,502 km (0.102 R)
• M12: 10,574,325 km (0.117 R)
• M13: 10,911,519 km (0.088 R)
• M14: 14,785,057 km (0.101 R)
• M15: 16,174,671 km (0.101 R)
• M16: 17,337,196 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.1

Radius: 14.6

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.16 AU - 3.2 AU

Year: 2833 Days

Day: 5.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,047,396 km

• M1: 181,761 km (0.053 R)
• M2: 684,859 km (0.105 R)
• M3: 1,186,461 km (0.047 R)
• M4: 1,908,719 km (0.071 R)
• M5: 2,655,512 km (0.096 R)
• M6: 3,910,189 km (0.084 R)
• M7: 4,693,484 km (0.104 R)
• M8: 5,579,552 km (0.074 R)
• M9: 7,471,366 km (0.053 R)
• M10: 8,613,845 km (0.077 R)
• M11: 9,544,793 km (0.063 R)
• M12: 10,734,096 km (0.101 R)
• M13: 13,451,242 km (0.12 R)
• M14: 14,419,589 km (0.094 R)
• M15: 15,090,685 km (0.099 R)
• M16: 16,912,338 km (0.119 R)
• M17: 17,604,827 km (0.093 R)
• M18: 18,150,410 km (0.12 R)
• M19: 19,046,801 km (0.067 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 716.4

Radius: 11.8

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.99 AU - 3.11 AU

Year: 3439 Days

Day: 13.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,047,396 km

• M1: 146,756 km (0.081 R)
• M2: 544,985 km (0.113 R)
• M3: 931,845 km (0.118 R)
• M4: 1,378,544 km (0.056 R)
• M5: 1,930,561 km (0.108 R)
• M6: 2,821,416 km (0.109 R)
• M7: 3,523,030 km (0.089 R)
• M8: 4,542,689 km (0.071 R)
• M9: 4,923,266 km (0.05 R)
• M10: 7,190,422 km (0.095 R)
• M11: 10,281,413 km (0.094 R)
• M12: 12,209,131 km (0.076 R)
• M13: 13,186,604 km (0.048 R)
• M14: 13,866,825 km (0.107 R)
• M15: 14,879,004 km (0.116 R)
• M16: 16,544,328 km (0.059 R)
• M17: 17,682,618 km (0.084 R)
• M18: 18,152,355 km (0.117 R)
• M19: 18,570,032 km (0.097 R)
• M20: 19,549,151 km (0.107 R)
• M21: 20,305,817 km (0.112 R)
• M22: 23,248,407 km (0.119 R)

Asteroid Belt

Center: 3.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 11.2

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.88 AU - 4.86 AU

Year: 5898 Days

Day: 11.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 80,047,396 km

• M1: 139,276 km (0.109 R)
• M2: 630,256 km (0.068 R)
• M3: 1,186,910 km (0.084 R)
• M4: 1,646,474 km (0.108 R)
• M5: 2,116,660 km (0.113 R)
• M6: 2,467,617 km (0.083 R)
• M7: 3,147,539 km (0.099 R)
• M8: 3,674,872 km (0.119 R)
• M9: 4,961,713 km (0.097 R)
• M10: 5,768,793 km (0.029 R)
• M11: 6,364,641 km (0.116 R)
• M12: 7,035,887 km (0.095 R)
• M13: 8,207,538 km (0.102 R)
• M14: 8,599,185 km (0.115 R)
• M15: 9,893,206 km (0.035 R)
• M16: 13,074,106 km (0.057 R)
• M17: 14,383,087 km (0.111 R)
• M18: 14,953,504 km (0.104 R)
• M19: 18,765,856 km (0.076 R)
• M20: 19,516,389 km (0.118 R)
• M21: 20,357,727 km (0.119 R)
• M22: 21,369,607 km (0.087 R)
• M23: 23,966,626 km (0.079 R)
• M24: 26,426,763 km (0.092 R)
• M25: 26,852,519 km (0.074 R)
• M26: 27,543,362 km (0.103 R)
• M27: 28,870,594 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 565.8

Radius: 6.4

Gravity: 13.81 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.03 AU - 10.83 AU

Year: 18697 Days

Day: 16.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,047,396 km

• M1: 80,035 km (0.117 R)
• M2: 608,863 km (0.057 R)
• M3: 887,714 km (0.108 R)
• M4: 1,305,690 km (0.1 R)
• M5: 2,251,448 km (0.037 R)
• M6: 2,879,161 km (0.101 R)
• M7: 3,234,007 km (0.072 R)
• M8: 3,449,577 km (0.055 R)
• M9: 5,313,268 km (0.118 R)
• M10: 7,809,458 km (0.099 R)
• M11: 8,348,608 km (0.04 R)
• M12: 8,912,293 km (0.109 R)
• M13: 10,229,652 km (0.045 R)
• M14: 12,181,306 km (0.038 R)
• M15: 12,573,103 km (0.111 R)
• M16: 12,838,938 km (0.045 R)
• M17: 14,296,470 km (0.057 R)
• M18: 19,502,626 km (0.117 R)
• M19: 19,858,968 km (0.094 R)
• M20: 20,676,670 km (0.111 R)
• M21: 21,140,573 km (0.076 R)
• M22: 21,611,357 km (0.108 R)
• M23: 27,706,573 km (0.088 R)
• M24: 31,083,595 km (0.076 R)
• M25: 32,808,010 km (0.1 R)
• M26: 34,206,750 km (0.07 R)
• M27: 39,628,775 km (0.112 R)
• M28: 40,488,514 km (0.05 R)
• M29: 57,250,357 km (0.091 R)
• M30: 59,460,815 km (0.104 R)
• M31: 60,022,256 km (0.086 R)
• M32: 62,882,268 km (0.099 R)
• M33: 65,036,478 km (0.091 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 878.6

Radius: 4.6

Gravity: 41.52 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 8.65 AU - 10.45 AU

Year: 19055 Days

Day: 19.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,047,396 km

• M1: 57,146 km (0.107 R)
• M2: 205,996 km (0.103 R)
• M3: 423,063 km (0.065 R)
• M4: 787,483 km (0.113 R)
• M5: 932,444 km (0.101 R)
• M6: 1,082,041 km (0.117 R)
• M7: 1,337,255 km (0.062 R)
• M8: 2,110,676 km (0.107 R)
• M9: 2,282,415 km (0.116 R)
• M10: 3,201,095 km (0.063 R)
• M11: 3,666,195 km (0.108 R)
• M12: 4,481,204 km (0.037 R)
• M13: 5,215,131 km (0.115 R)
• M14: 5,371,012 km (0.104 R)
• M15: 5,651,209 km (0.092 R)
• M16: 7,153,621 km (0.06 R)
• M17: 7,443,990 km (0.061 R)
• M18: 14,180,083 km (0.062 R)
• M19: 16,153,578 km (0.094 R)
• M20: 23,054,079 km (0.095 R)
• M21: 24,331,346 km (0.099 R)
• M22: 24,657,918 km (0.083 R)
• M23: 26,106,923 km (0.068 R)
• M24: 34,345,876 km (0.109 R)
• M25: 38,456,377 km (0.119 R)
• M26: 38,751,384 km (0.109 R)
• M27: 40,553,140 km (0.069 R)
• M28: 41,474,663 km (0.062 R)
• M29: 46,458,965 km (0.119 R)
• M30: 50,758,109 km (0.111 R)
• M31: 57,982,190 km (0.034 R)
• M32: 60,534,479 km (0.034 R)
• M33: 62,751,669 km (0.098 R)
• M34: 68,638,794 km (0.032 R)
• M35: 70,385,948 km (0.099 R)
• M36: 74,883,309 km (0.052 R)
• M37: 75,113,091 km (0.089 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 19,531 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit