🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.6

Radius: 12.5

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.67 AU - 0.95 AU

Year: 512 Days

Day: 13.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,108,069 km

• M1: 155,432 km (0.072 R)
• M2: 584,928 km (0.068 R)
• M3: 1,584,391 km (0.106 R)
• M4: 1,974,243 km (0.097 R)
• M5: 2,401,644 km (0.117 R)
• M6: 3,094,432 km (0.052 R)
• M7: 3,651,983 km (0.06 R)
• M8: 4,345,220 km (0.103 R)
• M9: 5,638,493 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.9

Radius: 8.4

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.33 AU - 1.61 AU

Year: 1253 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,108,069 km

• M1: 104,569 km (0.085 R)
• M2: 394,639 km (0.096 R)
• M3: 717,023 km (0.098 R)
• M4: 1,321,697 km (0.062 R)
• M5: 1,608,626 km (0.076 R)
• M6: 2,310,539 km (0.086 R)
• M7: 2,769,805 km (0.112 R)
• M8: 3,758,946 km (0.108 R)
• M9: 4,052,008 km (0.111 R)
• M10: 4,538,500 km (0.049 R)
• M11: 4,985,947 km (0.087 R)
• M12: 5,796,768 km (0.08 R)
• M13: 6,278,772 km (0.052 R)
• M14: 6,622,698 km (0.079 R)
• M15: 7,051,744 km (0.101 R)
• M16: 7,322,965 km (0.04 R)
• M17: 8,287,273 km (0.076 R)
• M18: 9,333,561 km (0.086 R)
• M19: 11,147,585 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.3

Radius: 14.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 1.32 AU - 2.08 AU

Year: 1558 Days

Day: 10.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 53,108,069 km

• M1: 183,108 km (0.058 R)
• M2: 715,527 km (0.075 R)
• M3: 1,300,155 km (0.112 R)
• M4: 2,125,038 km (0.045 R)
• M5: 2,878,413 km (0.037 R)
• M6: 3,962,848 km (0.111 R)
• M7: 5,915,249 km (0.058 R)
• M8: 6,958,246 km (0.09 R)
• M9: 7,551,701 km (0.08 R)
• M10: 8,033,406 km (0.076 R)
• M11: 10,583,002 km (0.044 R)
• M12: 11,260,232 km (0.104 R)
• M13: 12,233,815 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.2

Radius: 9.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.56 AU - 3.12 AU

Year: 3364 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,108,069 km

• M1: 118,182 km (0.12 R)
• M2: 455,825 km (0.115 R)
• M3: 942,467 km (0.074 R)
• M4: 1,340,547 km (0.085 R)
• M5: 1,897,499 km (0.077 R)
• M6: 2,257,581 km (0.045 R)
• M7: 2,709,517 km (0.117 R)
• M8: 3,509,267 km (0.069 R)
• M9: 3,914,228 km (0.092 R)
• M10: 4,795,509 km (0.042 R)
• M11: 5,419,332 km (0.072 R)
• M12: 5,829,679 km (0.076 R)
• M13: 6,917,106 km (0.078 R)
• M14: 7,556,039 km (0.09 R)
• M15: 8,951,338 km (0.111 R)
• M16: 9,710,248 km (0.065 R)
• M17: 11,232,407 km (0.118 R)
• M18: 12,158,118 km (0.091 R)
• M19: 12,997,811 km (0.036 R)
• M20: 13,362,680 km (0.041 R)
• M21: 14,990,604 km (0.11 R)
• M22: 15,392,125 km (0.089 R)
• M23: 17,233,675 km (0.033 R)
• M24: 17,897,590 km (0.112 R)
• M25: 20,478,453 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.8

Radius: 13.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 2.39 AU - 3.75 AU

Year: 3781 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,108,069 km

• M1: 170,392 km (0.104 R)
• M2: 619,186 km (0.103 R)
• M3: 1,172,249 km (0.064 R)
• M4: 1,849,478 km (0.069 R)
• M5: 2,535,235 km (0.093 R)
• M6: 3,038,183 km (0.097 R)
• M7: 4,963,957 km (0.092 R)
• M8: 5,970,152 km (0.082 R)
• M9: 6,550,592 km (0.099 R)
• M10: 7,018,085 km (0.063 R)
• M11: 8,185,098 km (0.084 R)
• M12: 12,158,866 km (0.083 R)
• M13: 12,912,540 km (0.104 R)
• M14: 15,668,881 km (0.049 R)
• M15: 17,488,440 km (0.114 R)
• M16: 18,506,902 km (0.068 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 350.9

Radius: 7.2

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 7.94 AU - 8.32 AU

Year: 16295 Days

Day: 23.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 53,108,069 km

• M1: 130,898 km (0.047 R)
• M2: 419,772 km (0.059 R)
• M3: 1,623,586 km (0.063 R)
• M4: 2,542,565 km (0.057 R)
• M5: 5,149,907 km (0.114 R)
• M6: 5,916,446 km (0.089 R)
• M7: 7,289,306 km (0.114 R)
• M8: 8,958,668 km (0.034 R)
• M9: 9,450,397 km (0.104 R)
• M10: 10,327,489 km (0.106 R)
• M11: 10,758,480 km (0.081 R)
• M12: 11,714,112 km (0.088 R)
• M13: 12,786,579 km (0.102 R)
• M14: 16,322,923 km (0.112 R)
• M15: 17,130,751 km (0.069 R)
• M16: 17,964,909 km (0.112 R)
• M17: 18,746,558 km (0.091 R)
• M18: 20,714,668 km (0.101 R)
• M19: 21,924,166 km (0.064 R)
• M20: 22,456,735 km (0.088 R)
• M21: 23,919,054 km (0.075 R)
• M22: 28,579,925 km (0.09 R)
• M23: 37,845,269 km (0.054 R)
• M24: 38,483,005 km (0.111 R)
• M25: 42,323,930 km (0.109 R)
• M26: 43,705,616 km (0.112 R)
• M27: 47,290,729 km (0.084 R)
• M28: 48,928,527 km (0.066 R)
• M29: 49,381,659 km (0.064 R)
• M30: 50,757,810 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 341 - 14,443 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit