🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.64 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845

Radius: 8

Gravity: 13.2 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.97 AU - 1.59 AU

Year: 921 Days

Day: 13.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 46,618,692 km

• M1: 99,483 km (0.059 R)
• M2: 357,988 km (0.109 R)
• M3: 647,011 km (0.113 R)
• M4: 977,921 km (0.119 R)
• M5: 1,444,667 km (0.078 R)
• M6: 1,826,889 km (0.096 R)
• M7: 2,125,337 km (0.117 R)
• M8: 2,398,652 km (0.063 R)
• M9: 2,658,803 km (0.117 R)
• M10: 2,990,461 km (0.094 R)
• M11: 3,335,434 km (0.106 R)
• M12: 3,910,638 km (0.032 R)
• M13: 4,497,211 km (0.115 R)
• M14: 5,045,637 km (0.115 R)
• M15: 5,576,560 km (0.075 R)
• M16: 6,014,732 km (0.119 R)
• M17: 7,345,255 km (0.113 R)
• M18: 8,053,302 km (0.061 R)
• M19: 8,532,015 km (0.112 R)
• M20: 9,342,985 km (0.083 R)
• M21: 9,901,584 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.3

Radius: 13.4

Gravity: 2.81 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.44 AU - 2.28 AU

Year: 1613 Days

Day: 6.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 124.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,618,692 km

• M1: 166,652 km (0.108 R)
• M2: 762,500 km (0.088 R)
• M3: 1,253,032 km (0.057 R)
• M4: 3,258,990 km (0.092 R)
• M5: 4,202,204 km (0.06 R)
• M6: 6,317,219 km (0.115 R)
• M7: 7,253,103 km (0.101 R)
• M8: 8,798,300 km (0.037 R)
• M9: 9,308,279 km (0.063 R)
• M10: 10,158,892 km (0.083 R)
• M11: 11,060,668 km (0.037 R)
• M12: 11,906,345 km (0.108 R)
• M13: 12,832,805 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.7

Radius: 11.7

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.52 AU - 2.98 AU

Year: 2900 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 46,618,692 km

• M1: 146,157 km (0.082 R)
• M2: 660,475 km (0.102 R)
• M3: 1,071,121 km (0.078 R)
• M4: 1,791,435 km (0.057 R)
• M5: 2,369,780 km (0.075 R)
• M6: 3,721,995 km (0.11 R)
• M7: 4,344,173 km (0.058 R)
• M8: 4,882,127 km (0.119 R)
• M9: 5,796,618 km (0.079 R)
• M10: 6,687,324 km (0.099 R)
• M11: 7,377,868 km (0.1 R)
• M12: 8,268,574 km (0.076 R)
• M13: 8,933,686 km (0.093 R)
• M14: 10,015,577 km (0.104 R)
• M15: 10,588,388 km (0.118 R)
• M16: 12,036,495 km (0.101 R)
• M17: 13,873,557 km (0.083 R)
• M18: 15,890,585 km (0.117 R)
• M19: 16,326,214 km (0.05 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.4

Radius: 12.9

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.34 AU - 3.46 AU

Year: 3986 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,618,692 km

• M1: 160,967 km (0.113 R)
• M2: 711,338 km (0.096 R)
• M3: 1,128,267 km (0.088 R)
• M4: 1,816,866 km (0.078 R)
• M5: 2,914,915 km (0.109 R)
• M6: 3,337,678 km (0.082 R)
• M7: 4,019,096 km (0.076 R)
• M8: 5,023,048 km (0.077 R)
• M9: 6,053,029 km (0.047 R)
• M10: 7,807,662 km (0.11 R)
• M11: 8,665,157 km (0.028 R)
• M12: 11,164,938 km (0.079 R)
• M13: 11,784,572 km (0.074 R)
• M14: 12,779,249 km (0.117 R)
• M15: 14,544,055 km (0.112 R)
• M16: 15,434,611 km (0.098 R)
• M17: 16,784,582 km (0.076 R)
• M18: 19,659,255 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.1

Radius: 14.8

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 3.46 AU - 3.78 AU

Year: 4379 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 46,618,692 km

• M1: 184,155 km (0.107 R)
• M2: 696,528 km (0.083 R)
• M3: 1,222,364 km (0.113 R)
• M4: 1,967,212 km (0.091 R)
• M5: 2,502,024 km (0.059 R)
• M6: 4,955,729 km (0.118 R)
• M7: 5,583,292 km (0.093 R)
• M8: 6,325,447 km (0.073 R)
• M9: 7,166,187 km (0.074 R)
• M10: 8,565,974 km (0.089 R)
• M11: 11,157,009 km (0.11 R)
• M12: 12,385,657 km (0.05 R)
• M13: 12,982,402 km (0.06 R)
• M14: 15,336,475 km (0.088 R)
• M15: 16,674,328 km (0.09 R)
• M16: 17,341,236 km (0.051 R)
• M17: 18,025,795 km (0.048 R)
• M18: 19,316,526 km (0.113 R)
• M19: 20,737,406 km (0.095 R)
• M20: 21,580,091 km (0.109 R)
• M21: 25,023,236 km (0.08 R)
• M22: 25,497,910 km (0.086 R)
• M23: 27,289,943 km (0.053 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 9.8

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.85 AU - 5.51 AU

Year: 6437 Days

Day: 8.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,618,692 km

• M1: 121,922 km (0.117 R)
• M2: 465,997 km (0.056 R)
• M3: 1,027,289 km (0.12 R)
• M4: 1,583,793 km (0.11 R)
• M5: 2,640,402 km (0.117 R)
• M6: 3,689,831 km (0.082 R)
• M7: 4,376,187 km (0.096 R)
• M8: 4,879,583 km (0.085 R)
• M9: 6,412,214 km (0.089 R)
• M10: 8,201,853 km (0.068 R)
• M11: 9,735,081 km (0.05 R)
• M12: 11,194,259 km (0.09 R)
• M13: 13,648,711 km (0.032 R)
• M14: 16,706,791 km (0.05 R)
• M15: 17,246,091 km (0.036 R)
• M16: 18,217,729 km (0.071 R)
• M17: 19,520,129 km (0.069 R)
• M18: 19,967,725 km (0.119 R)
• M19: 22,147,965 km (0.109 R)
• M20: 23,799,226 km (0.066 R)
• M21: 25,531,121 km (0.065 R)
• M22: 30,524,249 km (0.119 R)
• M23: 35,686,722 km (0.11 R)
• M24: 37,605,763 km (0.093 R)
• M25: 38,066,973 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.3

Radius: 4.6

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.49 AU - 9.37 AU

Year: 15562 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,618,692 km

• M1: 57,146 km (0.052 R)
• M2: 363,523 km (0.089 R)
• M3: 635,043 km (0.069 R)
• M4: 955,182 km (0.104 R)
• M5: 1,301,801 km (0.11 R)
• M6: 1,568,384 km (0.094 R)
• M7: 1,752,988 km (0.074 R)
• M8: 1,924,577 km (0.09 R)
• M9: 2,492,001 km (0.1 R)
• M10: 5,666,169 km (0.107 R)
• M11: 8,366,411 km (0.054 R)
• M12: 10,265,107 km (0.042 R)
• M13: 10,607,237 km (0.099 R)
• M14: 11,224,179 km (0.086 R)
• M15: 12,289,315 km (0.042 R)
• M16: 15,215,899 km (0.055 R)
• M17: 22,612,765 km (0.084 R)
• M18: 23,411,468 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.5

Radius: 6.4

Gravity: 7.56 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 8.02 AU - 12.14 AU

Year: 20348 Days

Day: 17.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,618,692 km

• M1: 86,168 km (0.113 R)
• M2: 733,628 km (0.106 R)
• M3: 1,080,845 km (0.101 R)
• M4: 1,430,604 km (0.065 R)
• M5: 5,933,800 km (0.1 R)
• M6: 9,575,012 km (0.117 R)
• M7: 10,605,143 km (0.103 R)
• M8: 13,205,752 km (0.071 R)
• M9: 14,618,255 km (0.038 R)
• M10: 16,202,945 km (0.048 R)
• M11: 22,556,367 km (0.105 R)
• M12: 23,787,258 km (0.098 R)
• M13: 27,962,236 km (0.117 R)
• M14: 32,958,655 km (0.027 R)
• M15: 46,459,115 km (0.12 R)
• M16: 54,579,736 km (0.073 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 579.9

Radius: 6.3

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.52 AU - 13.42 AU

Year: 23102 Days

Day: 15.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,618,692 km

• M1: 96,341 km (0.055 R)
• M2: 665,262 km (0.096 R)
• M3: 2,648,032 km (0.109 R)
• M4: 4,055,748 km (0.063 R)
• M5: 6,684,781 km (0.113 R)
• M6: 8,089,206 km (0.119 R)
• M7: 11,402,948 km (0.095 R)
• M8: 16,008,319 km (0.098 R)
• M9: 22,837,312 km (0.057 R)
• M10: 30,621,487 km (0.055 R)
• M11: 33,341,625 km (0.091 R)
• M12: 40,306,453 km (0.103 R)
• M13: 44,367,886 km (0.054 R)
• M14: 45,016,094 km (0.032 R)
• M15: 46,331,209 km (0.081 R)
• M16: 54,950,290 km (0.075 R)
• M17: 70,116,372 km (0.072 R)
• M18: 72,551,676 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 114.6

Radius: 3.3

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 10.38 AU - 11.78 AU

Year: 23450 Days

Day: 19.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,618,692 km

• M1: 53,257 km (0.084 R)
• M2: 188,942 km (0.12 R)
• M3: 375,939 km (0.096 R)
• M4: 898,036 km (0.087 R)
• M5: 3,112,384 km (0.111 R)
• M6: 3,370,141 km (0.085 R)
• M7: 6,440,188 km (0.115 R)
• M8: 12,773,414 km (0.074 R)
• M9: 14,881,248 km (0.116 R)
• M10: 20,730,525 km (0.094 R)
• M11: 22,658,542 km (0.114 R)
• M12: 27,255,236 km (0.101 R)
• M13: 39,598,407 km (0.101 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 12,419 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit