🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.1

Radius: 11.5

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.59 AU - 0.75 AU

Year: 366 Days

Day: 10.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,275,036 km

• M1: 143,016 km (0.115 R)
• M2: 589,715 km (0.068 R)
• M3: 1,189,901 km (0.104 R)
• M4: 1,628,074 km (0.119 R)
• M5: 2,181,885 km (0.096 R)
• M6: 2,811,393 km (0.054 R)
• M7: 3,416,516 km (0.055 R)
• M8: 3,808,463 km (0.04 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.8

Radius: 14.8

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.73 AU - 1.05 AU

Year: 560 Days

Day: 7.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,275,036 km

• M1: 184,005 km (0.078 R)
• M2: 644,168 km (0.107 R)
• M3: 1,323,044 km (0.096 R)
• M4: 2,267,605 km (0.046 R)
• M5: 3,013,350 km (0.117 R)
• M6: 3,904,953 km (0.041 R)
• M7: 4,684,508 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.4

Radius: 12

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.76 AU - 1.18 AU

Year: 637 Days

Day: 13.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 59,275,036 km

• M1: 149,299 km (0.063 R)
• M2: 588,668 km (0.076 R)
• M3: 1,108,969 km (0.113 R)
• M4: 1,568,234 km (0.049 R)
• M5: 2,590,138 km (0.113 R)
• M6: 2,972,958 km (0.112 R)
• M7: 3,711,972 km (0.065 R)
• M8: 4,475,669 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.8

Radius: 10.4

Gravity: 6.12 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.01 AU - 2.13 AU

Year: 1986 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 59,275,036 km

• M1: 129,402 km (0.115 R)
• M2: 587,770 km (0.064 R)
• M3: 926,759 km (0.119 R)
• M4: 1,898,846 km (0.095 R)
• M5: 2,471,207 km (0.069 R)
• M6: 2,894,420 km (0.077 R)
• M7: 3,267,517 km (0.111 R)
• M8: 3,869,349 km (0.119 R)
• M9: 5,953,546 km (0.116 R)
• M10: 6,798,924 km (0.07 R)
• M11: 7,153,321 km (0.12 R)
• M12: 8,476,215 km (0.09 R)
• M13: 9,179,475 km (0.06 R)
• M14: 9,817,659 km (0.045 R)
• M15: 10,665,879 km (0.07 R)
• M16: 11,447,379 km (0.058 R)
• M17: 13,041,194 km (0.057 R)
• M18: 13,675,340 km (0.112 R)
• M19: 15,654,819 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.2

Radius: 9.2

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 3.56 AU - 3.58 AU

Year: 4498 Days

Day: 9.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,275,036 km

• M1: 114,742 km (0.118 R)
• M2: 465,997 km (0.118 R)
• M3: 855,101 km (0.116 R)
• M4: 1,204,412 km (0.029 R)
• M5: 1,816,268 km (0.096 R)
• M6: 2,373,071 km (0.104 R)
• M7: 2,798,827 km (0.099 R)
• M8: 3,376,424 km (0.079 R)
• M9: 3,737,703 km (0.043 R)
• M10: 4,438,718 km (0.093 R)
• M11: 5,006,592 km (0.058 R)
• M12: 5,888,023 km (0.081 R)
• M13: 6,381,845 km (0.098 R)
• M14: 6,671,467 km (0.092 R)
• M15: 7,105,600 km (0.114 R)
• M16: 8,216,962 km (0.108 R)
• M17: 9,732,538 km (0.077 R)
• M18: 10,690,862 km (0.075 R)
• M19: 11,146,537 km (0.056 R)
• M20: 15,045,806 km (0.105 R)
• M21: 17,237,714 km (0.095 R)
• M22: 17,549,326 km (0.067 R)
• M23: 18,377,500 km (0.069 R)
• M24: 20,457,060 km (0.098 R)
• M25: 22,171,152 km (0.033 R)
• M26: 25,157,724 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 13.2

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.07 AU - 6.35 AU

Year: 7930 Days

Day: 10.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,275,036 km

• M1: 164,109 km (0.116 R)
• M2: 900,579 km (0.1 R)
• M3: 1,776,325 km (0.068 R)
• M4: 3,033,845 km (0.06 R)
• M5: 3,669,486 km (0.046 R)
• M6: 4,230,029 km (0.116 R)
• M7: 4,730,733 km (0.069 R)
• M8: 5,524,201 km (0.035 R)
• M9: 6,878,809 km (0.07 R)
• M10: 7,980,598 km (0.103 R)
• M11: 11,404,893 km (0.117 R)
• M12: 16,982,799 km (0.075 R)
• M13: 17,823,539 km (0.066 R)
• M14: 20,827,764 km (0.082 R)
• M15: 23,720,538 km (0.081 R)
• M16: 25,128,254 km (0.119 R)
• M17: 26,128,016 km (0.064 R)
• M18: 32,264,820 km (0.113 R)
• M19: 33,228,829 km (0.113 R)
• M20: 34,322,389 km (0.094 R)
• M21: 35,893,616 km (0.115 R)
• M22: 38,937,783 km (0.085 R)
• M23: 40,522,622 km (0.088 R)
• M24: 42,277,106 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.9

Radius: 14.8

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 4.23 AU - 6.55 AU

Year: 8345 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 59,275,036 km

• M1: 184,155 km (0.114 R)
• M2: 939,475 km (0.12 R)
• M3: 2,154,209 km (0.082 R)
• M4: 2,845,202 km (0.065 R)
• M5: 3,323,915 km (0.094 R)
• M6: 3,986,035 km (0.081 R)
• M7: 5,844,789 km (0.106 R)
• M8: 7,238,891 km (0.087 R)
• M9: 7,805,269 km (0.056 R)
• M10: 9,304,838 km (0.104 R)
• M11: 11,467,574 km (0.099 R)
• M12: 12,465,841 km (0.077 R)
• M13: 16,697,366 km (0.109 R)
• M14: 18,645,280 km (0.089 R)
• M15: 21,970,542 km (0.041 R)
• M16: 22,645,976 km (0.106 R)
• M17: 23,861,459 km (0.108 R)
• M18: 26,707,259 km (0.12 R)
• M19: 29,060,583 km (0.1 R)
• M20: 29,874,994 km (0.062 R)
• M21: 30,495,676 km (0.116 R)
• M22: 36,358,266 km (0.069 R)
• M23: 36,829,051 km (0.07 R)
• M24: 42,670,399 km (0.081 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.1

Radius: 4.1

Gravity: 28.62 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 8.2 AU - 8.72 AU

Year: 16409 Days

Day: 22.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 59,275,036 km

• M1: 59,390 km (0.109 R)
• M2: 250,876 km (0.114 R)
• M3: 725,550 km (0.073 R)
• M4: 954,285 km (0.107 R)
• M5: 1,586,934 km (0.057 R)
• M6: 1,937,592 km (0.093 R)
• M7: 2,277,478 km (0.094 R)
• M8: 3,784,826 km (0.071 R)
• M9: 5,703,568 km (0.095 R)
• M10: 5,967,309 km (0.107 R)
• M11: 9,222,110 km (0.091 R)
• M12: 10,285,452 km (0.086 R)
• M13: 11,786,517 km (0.106 R)
• M14: 19,337,918 km (0.076 R)
• M15: 23,471,008 km (0.062 R)
• M16: 30,033,867 km (0.039 R)
• M17: 31,292,583 km (0.093 R)
• M18: 32,229,664 km (0.101 R)
• M19: 32,944,742 km (0.119 R)
• M20: 33,914,585 km (0.092 R)
• M21: 34,778,513 km (0.089 R)
• M22: 36,038,277 km (0.07 R)
• M23: 55,281,799 km (0.051 R)
• M24: 55,792,227 km (0.109 R)
• M25: 57,516,043 km (0.066 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 524 - 18,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit