🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 865.6

Radius: 14.8

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.9 AU - 0.94 AU

Year: 588 Days

Day: 7.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,594,616 km

• M1: 184,005 km (0.097 R)
• M2: 681,418 km (0.049 R)
• M3: 1,211,593 km (0.061 R)
• M4: 1,732,493 km (0.044 R)
• M5: 2,276,880 km (0.075 R)
• M6: 3,065,560 km (0.116 R)
• M7: 3,611,592 km (0.08 R)
• M8: 5,104,878 km (0.092 R)
• M9: 5,691,152 km (0.113 R)
• M10: 6,789,649 km (0.085 R)
• M11: 7,367,695 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 9.2

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.78 AU - 1.08 AU

Year: 598 Days

Day: 9 Hours

Environment

Temp: -172 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,594,616 km

• M1: 114,442 km (0.055 R)
• M2: 415,134 km (0.041 R)
• M3: 977,323 km (0.115 R)
• M4: 1,460,674 km (0.113 R)
• M5: 1,894,059 km (0.079 R)
• M6: 2,539,873 km (0.056 R)
• M7: 2,897,860 km (0.112 R)
• M8: 3,399,013 km (0.096 R)
• M9: 3,862,019 km (0.09 R)
• M10: 4,711,735 km (0.092 R)
• M11: 5,140,033 km (0.085 R)
• M12: 5,786,595 km (0.076 R)
• M13: 6,410,269 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.5

Radius: 13.1

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.97 AU - 1.31 AU

Year: 812 Days

Day: 9.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 29,594,616 km

• M1: 163,211 km (0.05 R)
• M2: 621,878 km (0.104 R)
• M3: 1,210,995 km (0.116 R)
• M4: 2,103,795 km (0.118 R)
• M5: 2,516,984 km (0.088 R)
• M6: 5,300,552 km (0.083 R)
• M7: 5,709,552 km (0.048 R)
• M8: 6,202,926 km (0.113 R)
• M9: 7,635,326 km (0.032 R)
• M10: 8,759,554 km (0.113 R)
• M11: 9,333,710 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.4

Radius: 9.1

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.1 AU - 1.62 AU

Year: 1058 Days

Day: 14.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 29,594,616 km

• M1: 113,246 km (0.036 R)
• M2: 435,779 km (0.114 R)
• M3: 751,729 km (0.049 R)
• M4: 1,343,538 km (0.069 R)
• M5: 1,639,742 km (0.036 R)
• M6: 2,367,536 km (0.095 R)
• M7: 2,660,748 km (0.056 R)
• M8: 3,183,443 km (0.099 R)
• M9: 3,515,849 km (0.045 R)
• M10: 4,250,823 km (0.091 R)
• M11: 4,866,568 km (0.097 R)
• M12: 5,686,215 km (0.055 R)
• M13: 6,334,572 km (0.118 R)
• M14: 6,925,633 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 460.8

Radius: 9

Gravity: 5.69 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.25 AU - 1.49 AU

Year: 1069 Days

Day: 10.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,594,616 km

• M1: 111,899 km (0.094 R)
• M2: 463,454 km (0.1 R)
• M3: 1,033,871 km (0.077 R)
• M4: 1,745,209 km (0.05 R)
• M5: 2,449,815 km (0.091 R)
• M6: 2,974,754 km (0.118 R)
• M7: 3,305,215 km (0.038 R)
• M8: 3,978,107 km (0.114 R)
• M9: 4,430,640 km (0.096 R)
• M10: 5,007,639 km (0.095 R)
• M11: 6,017,724 km (0.103 R)
• M12: 6,440,338 km (0.059 R)
• M13: 9,294,665 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.2

Radius: 14.4

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.22 AU - 1.8 AU

Year: 1237 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,594,616 km

• M1: 179,069 km (0.082 R)
• M2: 626,815 km (0.055 R)
• M3: 1,151,754 km (0.106 R)
• M4: 1,725,013 km (0.097 R)
• M5: 2,204,773 km (0.119 R)
• M6: 3,143,949 km (0.044 R)
• M7: 4,473,276 km (0.087 R)
• M8: 5,866,780 km (0.079 R)
• M9: 6,403,836 km (0.11 R)
• M10: 7,185,335 km (0.059 R)

Asteroid Belt

Center: 2.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.2

Radius: 11.9

Gravity: 5.58 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 3.31 AU - 4.45 AU

Year: 5097 Days

Day: 9.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,594,616 km

• M1: 151,991 km (0.1 R)
• M2: 557,102 km (0.098 R)
• M3: 992,881 km (0.079 R)
• M4: 1,493,585 km (0.113 R)
• M5: 1,886,130 km (0.11 R)
• M6: 2,686,479 km (0.084 R)
• M7: 5,402,129 km (0.118 R)
• M8: 6,377,357 km (0.116 R)
• M9: 8,093,245 km (0.085 R)
• M10: 9,037,955 km (0.093 R)
• M11: 10,054,622 km (0.101 R)
• M12: 11,145,939 km (0.067 R)
• M13: 13,402,922 km (0.108 R)
• M14: 13,943,120 km (0.085 R)
• M15: 14,952,008 km (0.115 R)
• M16: 15,474,553 km (0.078 R)
• M17: 16,311,404 km (0.108 R)
• M18: 18,602,196 km (0.116 R)
• M19: 20,103,261 km (0.034 R)
• M20: 20,811,607 km (0.049 R)
• M21: 21,244,693 km (0.056 R)
• M22: 23,268,004 km (0.08 R)
• M23: 25,416,678 km (0.107 R)
• M24: 26,161,526 km (0.112 R)
• M25: 26,581,597 km (0.099 R)
• M26: 29,467,489 km (0.077 R)
• M27: 30,289,530 km (0.085 R)
• M28: 31,979,387 km (0.068 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.3

Radius: 13.3

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 3.89 AU - 4.87 AU

Year: 6113 Days

Day: 6.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 29,594,616 km

• M1: 165,605 km (0.115 R)
• M2: 661,372 km (0.095 R)
• M3: 1,207,853 km (0.076 R)
• M4: 1,627,326 km (0.096 R)
• M5: 2,966,825 km (0.108 R)
• M6: 3,798,290 km (0.099 R)
• M7: 6,018,771 km (0.047 R)
• M8: 6,748,360 km (0.105 R)
• M9: 7,242,781 km (0.105 R)
• M10: 8,029,815 km (0.109 R)
• M11: 8,667,102 km (0.05 R)
• M12: 10,362,944 km (0.117 R)
• M13: 10,974,649 km (0.11 R)
• M14: 15,708,225 km (0.072 R)
• M15: 17,221,557 km (0.099 R)
• M16: 21,277,156 km (0.092 R)
• M17: 23,206,968 km (0.113 R)
• M18: 24,337,330 km (0.07 R)
• M19: 26,446,660 km (0.093 R)
• M20: 29,321,183 km (0.102 R)
• M21: 30,450,796 km (0.089 R)
• M22: 30,930,108 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 885.7

Radius: 5.7

Gravity: 27.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.12 AU - 7.22 AU

Year: 11487 Days

Day: 19.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 170.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 29,594,616 km

• M1: 70,909 km (0.071 R)
• M2: 263,891 km (0.093 R)
• M3: 578,345 km (0.117 R)
• M4: 822,788 km (0.054 R)
• M5: 1,135,448 km (0.12 R)
• M6: 1,326,634 km (0.093 R)
• M7: 1,569,581 km (0.111 R)
• M8: 1,808,339 km (0.103 R)
• M9: 2,240,827 km (0.06 R)
• M10: 2,587,146 km (0.063 R)
• M11: 2,968,471 km (0.112 R)
• M12: 3,650,338 km (0.051 R)
• M13: 5,111,909 km (0.049 R)
• M14: 5,423,970 km (0.067 R)
• M15: 7,221,538 km (0.059 R)
• M16: 9,229,740 km (0.116 R)
• M17: 11,582,466 km (0.114 R)
• M18: 12,551,261 km (0.103 R)
• M19: 15,349,938 km (0.059 R)
• M20: 17,821,146 km (0.115 R)
• M21: 18,781,863 km (0.075 R)
• M22: 19,524,766 km (0.068 R)
• M23: 22,600,349 km (0.069 R)
• M24: 24,204,636 km (0.057 R)
• M25: 28,061,868 km (0.094 R)
• M26: 29,470,182 km (0.117 R)
• M27: 30,359,990 km (0.101 R)
• M28: 32,192,863 km (0.102 R)
• M29: 38,132,048 km (0.083 R)
• M30: 41,496,505 km (0.111 R)
• M31: 43,321,748 km (0.091 R)
• M32: 48,808,549 km (0.081 R)
• M33: 49,428,184 km (0.091 R)
• M34: 50,524,886 km (0.107 R)
• M35: 54,574,500 km (0.094 R)
• M36: 55,074,456 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.7

Radius: 6.9

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 6.22 AU - 7.78 AU

Year: 12350 Days

Day: 16.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 29,594,616 km

• M1: 85,869 km (0.102 R)
• M2: 359,035 km (0.109 R)
• M3: 783,444 km (0.096 R)
• M4: 1,061,846 km (0.111 R)
• M5: 1,297,612 km (0.092 R)
• M6: 2,256,534 km (0.049 R)
• M7: 2,792,693 km (0.08 R)
• M8: 3,014,696 km (0.045 R)
• M9: 4,069,660 km (0.098 R)
• M10: 4,941,966 km (0.108 R)
• M11: 5,436,387 km (0.083 R)
• M12: 7,394,324 km (0.07 R)
• M13: 7,641,459 km (0.07 R)
• M14: 8,881,775 km (0.072 R)
• M15: 11,424,341 km (0.094 R)
• M16: 15,307,901 km (0.092 R)
• M17: 17,265,389 km (0.098 R)
• M18: 17,575,805 km (0.059 R)
• M19: 19,184,281 km (0.103 R)
• M20: 20,678,914 km (0.047 R)
• M21: 22,543,502 km (0.093 R)
• M22: 23,516,486 km (0.068 R)
• M23: 23,898,110 km (0.075 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: 509 - 14,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit