🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.5

Radius: 12.3

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 8.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 46,068,881 km

• M1: 153,039 km (0.076 R)
• M2: 544,087 km (0.032 R)
• M3: 1,088,923 km (0.083 R)
• M4: 1,500,766 km (0.109 R)
• M5: 2,032,586 km (0.049 R)
• M6: 2,442,036 km (0.115 R)
• M7: 3,658,117 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.7

Radius: 8.4

Gravity: 8.31 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 1.04 AU - 1.48 AU

Year: 976 Days

Day: 11.6 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,068,881 km

• M1: 104,569 km (0.05 R)
• M2: 378,034 km (0.105 R)
• M3: 640,877 km (0.092 R)
• M4: 940,073 km (0.069 R)
• M5: 1,234,482 km (0.08 R)
• M6: 1,582,895 km (0.088 R)
• M7: 2,849,091 km (0.092 R)
• M8: 3,119,564 km (0.069 R)
• M9: 3,973,020 km (0.089 R)
• M10: 4,514,116 km (0.118 R)
• M11: 4,901,425 km (0.07 R)
• M12: 5,426,214 km (0.107 R)
• M13: 6,478,186 km (0.119 R)
• M14: 7,587,006 km (0.117 R)
• M15: 8,110,149 km (0.091 R)
• M16: 9,200,419 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.7

Radius: 12.2

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.37 AU - 3.77 AU

Year: 3713 Days

Day: 11.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 46,068,881 km

• M1: 154,086 km (0.119 R)
• M2: 556,055 km (0.11 R)
• M3: 1,092,962 km (0.081 R)
• M4: 1,544,598 km (0.095 R)
• M5: 1,947,764 km (0.065 R)
• M6: 2,542,117 km (0.036 R)
• M7: 3,049,702 km (0.093 R)
• M8: 5,626,974 km (0.096 R)
• M9: 9,337,002 km (0.11 R)
• M10: 13,088,168 km (0.058 R)
• M11: 13,769,736 km (0.115 R)
• M12: 14,385,182 km (0.096 R)
• M13: 15,530,054 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 229.4

Radius: 14.4

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.46 AU - 3.6 AU

Year: 4578 Days

Day: 9.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 46,068,881 km

• M1: 179,817 km (0.044 R)
• M2: 942,317 km (0.063 R)
• M3: 1,529,489 km (0.05 R)
• M4: 2,278,824 km (0.066 R)
• M5: 2,934,063 km (0.066 R)
• M6: 3,438,806 km (0.088 R)
• M7: 4,369,006 km (0.107 R)
• M8: 4,826,027 km (0.103 R)
• M9: 5,609,621 km (0.041 R)
• M10: 6,124,836 km (0.101 R)
• M11: 7,645,498 km (0.076 R)
• M12: 10,399,894 km (0.093 R)
• M13: 11,463,236 km (0.116 R)
• M14: 15,336,475 km (0.06 R)
• M15: 19,017,779 km (0.077 R)
• M16: 19,479,588 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.8

Radius: 9.7

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 4.76 AU - 5.22 AU

Year: 7694 Days

Day: 13 Hours

Environment

Temp: -225 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 46,068,881 km

• M1: 185,801 km (0.077 R)
• M2: 597,344 km (0.065 R)
• M3: 1,106,875 km (0.054 R)
• M4: 2,309,791 km (0.066 R)
• M5: 3,510,763 km (0.112 R)
• M6: 5,460,023 km (0.111 R)
• M7: 6,316,172 km (0.066 R)
• M8: 7,613,784 km (0.103 R)
• M9: 9,458,026 km (0.043 R)
• M10: 12,273,159 km (0.061 R)
• M11: 16,295,546 km (0.116 R)
• M12: 16,802,085 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436

Radius: 6

Gravity: 12.11 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.45 AU - 7.83 AU

Year: 11810 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 46,068,881 km

• M1: 74,649 km (0.076 R)
• M2: 284,984 km (0.095 R)
• M3: 494,571 km (0.083 R)
• M4: 1,095,206 km (0.068 R)
• M5: 1,444,816 km (0.091 R)
• M6: 2,598,365 km (0.099 R)
• M7: 2,803,015 km (0.032 R)
• M8: 3,457,955 km (0.106 R)
• M9: 4,493,322 km (0.061 R)
• M10: 5,035,165 km (0.07 R)
• M11: 7,397,764 km (0.05 R)
• M12: 8,282,486 km (0.113 R)
• M13: 9,235,574 km (0.099 R)
• M14: 9,811,975 km (0.091 R)
• M15: 10,825,500 km (0.057 R)
• M16: 13,237,766 km (0.099 R)
• M17: 13,723,061 km (0.094 R)
• M18: 15,118,510 km (0.044 R)
• M19: 15,382,102 km (0.058 R)
• M20: 17,170,395 km (0.117 R)
• M21: 21,154,485 km (0.07 R)
• M22: 22,323,742 km (0.078 R)
• M23: 23,359,708 km (0.053 R)
• M24: 25,341,730 km (0.112 R)
• M25: 27,530,795 km (0.028 R)
• M26: 30,361,935 km (0.09 R)
• M27: 33,492,719 km (0.111 R)
• M28: 33,828,417 km (0.091 R)
• M29: 34,279,454 km (0.108 R)
• M30: 35,889,726 km (0.113 R)
• M31: 37,189,881 km (0.113 R)
• M32: 44,973,757 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 216 - 13,843 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit