🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.2

Radius: 12.5

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.77 AU - 0.95 AU

Year: 532 Days

Day: 12.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,453,805 km

• M1: 155,432 km (0.109 R)
• M2: 564,582 km (0.046 R)
• M3: 1,085,183 km (0.106 R)
• M4: 1,550,432 km (0.108 R)
• M5: 2,058,915 km (0.111 R)
• M6: 2,736,594 km (0.101 R)
• M7: 3,331,545 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.7

Radius: 11.4

Gravity: 4.87 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.06 AU - 1.26 AU

Year: 833 Days

Day: 7.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,453,805 km

• M1: 141,819 km (0.086 R)
• M2: 571,464 km (0.067 R)
• M3: 1,129,165 km (0.068 R)
• M4: 1,623,735 km (0.115 R)
• M5: 2,015,682 km (0.095 R)
• M6: 2,417,352 km (0.114 R)
• M7: 2,800,921 km (0.061 R)
• M8: 4,478,661 km (0.119 R)
• M9: 5,335,558 km (0.109 R)
• M10: 7,489,917 km (0.108 R)
• M11: 7,918,814 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.2

Radius: 9.1

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.25 AU - 1.79 AU

Year: 1250 Days

Day: 9 Hours

Environment

Temp: -196 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,453,805 km

• M1: 113,545 km (0.049 R)
• M2: 505,641 km (0.063 R)
• M3: 1,023,100 km (0.091 R)
• M4: 1,441,375 km (0.089 R)
• M5: 2,245,314 km (0.102 R)
• M6: 2,567,997 km (0.068 R)
• M7: 2,960,093 km (0.059 R)
• M8: 3,549,658 km (0.051 R)
• M9: 3,974,367 km (0.104 R)
• M10: 4,622,275 km (0.078 R)
• M11: 5,533,924 km (0.101 R)
• M12: 6,650,074 km (0.106 R)
• M13: 7,131,630 km (0.077 R)
• M14: 7,587,155 km (0.116 R)
• M15: 8,424,305 km (0.089 R)
• M16: 8,988,438 km (0.095 R)
• M17: 9,663,574 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.8

Radius: 12.5

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.73 AU - 2.03 AU

Year: 1719 Days

Day: 9 Hours

Environment

Temp: -197 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,453,805 km

• M1: 156,330 km (0.112 R)
• M2: 627,114 km (0.102 R)
• M3: 1,039,855 km (0.093 R)
• M4: 1,611,019 km (0.055 R)
• M5: 2,081,505 km (0.119 R)
• M6: 2,779,678 km (0.044 R)
• M7: 3,812,352 km (0.097 R)
• M8: 5,334,959 km (0.049 R)
• M9: 6,687,773 km (0.077 R)
• M10: 7,097,671 km (0.111 R)
• M11: 7,802,726 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598

Radius: 9.4

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.53 AU - 2.47 AU

Year: 1886 Days

Day: 14 Hours

Environment

Temp: -191 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,453,805 km

• M1: 116,836 km (0.108 R)
• M2: 438,172 km (0.062 R)
• M3: 768,933 km (0.057 R)
• M4: 1,497,475 km (0.116 R)
• M5: 1,919,191 km (0.036 R)
• M6: 2,243,370 km (0.103 R)
• M7: 2,590,586 km (0.083 R)
• M8: 2,973,856 km (0.099 R)
• M9: 3,362,212 km (0.088 R)
• M10: 3,944,746 km (0.092 R)
• M11: 4,573,057 km (0.118 R)
• M12: 5,070,919 km (0.076 R)
• M13: 5,558,608 km (0.095 R)
• M14: 5,932,603 km (0.066 R)
• M15: 7,048,902 km (0.071 R)
• M16: 9,362,882 km (0.091 R)
• M17: 10,166,522 km (0.094 R)
• M18: 10,727,364 km (0.116 R)
• M19: 11,197,999 km (0.052 R)
• M20: 12,258,648 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66.3

Radius: 8.1

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.92 AU - 2.58 AU

Year: 2251 Days

Day: 7.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,453,805 km

• M1: 100,829 km (0.085 R)
• M2: 592,557 km (0.061 R)
• M3: 1,001,259 km (0.108 R)
• M4: 1,694,345 km (0.061 R)
• M5: 1,953,150 km (0.097 R)
• M6: 3,453,018 km (0.1 R)
• M7: 4,583,679 km (0.113 R)
• M8: 5,305,638 km (0.072 R)
• M9: 6,887,486 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667.3

Radius: 9.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 4.17 AU - 4.69 AU

Year: 6218 Days

Day: 8 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,453,805 km

• M1: 122,521 km (0.063 R)
• M2: 536,159 km (0.095 R)
• M3: 911,949 km (0.101 R)
• M4: 1,501,663 km (0.12 R)
• M5: 2,247,708 km (0.084 R)
• M6: 3,161,452 km (0.09 R)
• M7: 4,204,897 km (0.084 R)
• M8: 6,082,649 km (0.118 R)
• M9: 6,409,521 km (0.109 R)
• M10: 7,062,964 km (0.071 R)
• M11: 7,912,830 km (0.089 R)
• M12: 8,263,338 km (0.111 R)
• M13: 9,334,758 km (0.101 R)
• M14: 10,496,235 km (0.073 R)
• M15: 11,111,831 km (0.052 R)
• M16: 12,624,564 km (0.1 R)
• M17: 16,302,578 km (0.109 R)
• M18: 17,322,985 km (0.057 R)
• M19: 17,981,963 km (0.048 R)
• M20: 19,070,886 km (0.1 R)
• M21: 19,560,969 km (0.06 R)
• M22: 21,230,481 km (0.037 R)
• M23: 23,150,570 km (0.093 R)
• M24: 24,602,866 km (0.108 R)
• M25: 31,505,760 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 243.6

Radius: 5.5

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.4 AU - 11.46 AU

Year: 20867 Days

Day: 23.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,453,805 km

• M1: 94,695 km (0.102 R)
• M2: 335,698 km (0.049 R)
• M3: 566,826 km (0.118 R)
• M4: 892,950 km (0.064 R)
• M5: 1,064,538 km (0.06 R)
• M6: 1,391,410 km (0.095 R)
• M7: 2,422,738 km (0.076 R)
• M8: 4,410,744 km (0.107 R)
• M9: 4,754,220 km (0.11 R)
• M10: 5,966,711 km (0.09 R)
• M11: 9,434,689 km (0.081 R)
• M12: 15,348,891 km (0.118 R)
• M13: 15,561,171 km (0.08 R)
• M14: 15,847,202 km (0.096 R)
• M15: 17,330,165 km (0.056 R)
• M16: 18,984,269 km (0.116 R)
• M17: 26,962,922 km (0.057 R)
• M18: 28,213,560 km (0.11 R)
• M19: 40,579,170 km (0.11 R)
• M20: 52,998,636 km (0.088 R)
• M21: 53,321,767 km (0.066 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: 155 - 14,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit