🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 657.3

Radius: 11.2

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.57 AU - 0.63 AU

Year: 327 Days

Day: 14.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 51,291,422 km

• M1: 139,276 km (0.119 R)
• M2: 601,982 km (0.097 R)
• M3: 1,031,328 km (0.03 R)
• M4: 1,404,275 km (0.048 R)
• M5: 1,840,054 km (0.042 R)
• M6: 2,190,861 km (0.042 R)
• M7: 2,586,996 km (0.083 R)
• M8: 3,594,238 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.9

Radius: 14.6

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.7 AU - 1 AU

Year: 551 Days

Day: 6.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,291,422 km

• M1: 186,997 km (0.062 R)
• M2: 649,404 km (0.117 R)
• M3: 1,244,654 km (0.096 R)
• M4: 1,802,954 km (0.065 R)
• M5: 2,650,425 km (0.079 R)
• M6: 3,666,793 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277.7

Radius: 12.8

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 2.55 AU - 2.71 AU

Year: 2998 Days

Day: 6.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,291,422 km

• M1: 159,322 km (0.098 R)
• M2: 614,398 km (0.098 R)
• M3: 1,375,403 km (0.067 R)
• M4: 2,221,528 km (0.075 R)
• M5: 3,439,704 km (0.084 R)
• M6: 4,130,547 km (0.039 R)
• M7: 5,578,355 km (0.041 R)
• M8: 6,560,016 km (0.072 R)
• M9: 8,675,629 km (0.085 R)
• M10: 9,089,716 km (0.091 R)
• M11: 10,235,636 km (0.114 R)
• M12: 10,662,289 km (0.117 R)
• M13: 11,975,310 km (0.108 R)
• M14: 13,142,771 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.8

Radius: 8.2

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.52 AU - 3.54 AU

Year: 4662 Days

Day: 6.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 51,291,422 km

• M1: 102,026 km (0.071 R)
• M2: 368,160 km (0.059 R)
• M3: 646,712 km (0.078 R)
• M4: 940,073 km (0.06 R)
• M5: 1,356,254 km (0.118 R)
• M6: 1,639,293 km (0.034 R)
• M7: 2,215,844 km (0.11 R)
• M8: 2,864,949 km (0.071 R)
• M9: 3,613,088 km (0.043 R)
• M10: 4,561,688 km (0.033 R)
• M11: 4,903,369 km (0.115 R)
• M12: 6,219,681 km (0.117 R)
• M13: 7,149,133 km (0.041 R)
• M14: 7,793,750 km (0.095 R)
• M15: 8,321,382 km (0.108 R)
• M16: 10,179,986 km (0.081 R)
• M17: 11,182,441 km (0.109 R)
• M18: 14,360,648 km (0.11 R)
• M19: 18,952,704 km (0.083 R)
• M20: 22,731,546 km (0.079 R)
• M21: 24,437,859 km (0.063 R)
• M22: 30,341,291 km (0.117 R)
• M23: 31,456,543 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 155

Radius: 6

Gravity: 4.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 9.01 AU - 11.61 AU

Year: 23270 Days

Day: 15.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 51,291,422 km

• M1: 89,310 km (0.049 R)
• M2: 344,374 km (0.049 R)
• M3: 535,560 km (0.054 R)
• M4: 739,313 km (0.091 R)
• M5: 2,069,986 km (0.088 R)
• M6: 2,907,285 km (0.097 R)
• M7: 3,303,570 km (0.078 R)
• M8: 5,290,977 km (0.119 R)
• M9: 5,990,198 km (0.09 R)
• M10: 6,989,213 km (0.107 R)
• M11: 7,193,264 km (0.087 R)
• M12: 9,964,565 km (0.077 R)
• M13: 12,104,712 km (0.095 R)
• M14: 12,399,569 km (0.092 R)
• M15: 12,881,274 km (0.063 R)
• M16: 13,817,907 km (0.036 R)
• M17: 15,204,529 km (0.086 R)
• M18: 16,178,860 km (0.11 R)
• M19: 18,874,315 km (0.091 R)
• M20: 20,328,107 km (0.1 R)
• M21: 22,380,589 km (0.07 R)
• M22: 22,824,895 km (0.065 R)
• M23: 23,365,841 km (0.078 R)
• M24: 27,192,704 km (0.103 R)
• M25: 27,902,696 km (0.087 R)
• M26: 28,624,954 km (0.101 R)
• M27: 31,196,242 km (0.073 R)
• M28: 33,338,035 km (0.074 R)
• M29: 34,621,734 km (0.107 R)
• M30: 36,180,843 km (0.025 R)
• M31: 39,696,992 km (0.109 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: 350 - 13,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit