🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.8

Radius: 14.6

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 0.72 AU - 0.74 AU

Year: 403 Days

Day: 13.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 34,458,633 km

• M1: 188,045 km (0.095 R)
• M2: 1,053,169 km (0.107 R)
• M3: 1,643,632 km (0.096 R)
• M4: 2,125,187 km (0.12 R)
• M5: 2,673,912 km (0.105 R)
• M6: 3,208,575 km (0.103 R)
• M7: 3,887,899 km (0.115 R)
• M8: 4,661,918 km (0.041 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 560.7

Radius: 14.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.73 AU - 0.95 AU

Year: 497 Days

Day: 6 Hours

Environment

Temp: -157 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 34,458,633 km

• M1: 184,005 km (0.072 R)
• M2: 664,514 km (0.114 R)
• M3: 1,199,775 km (0.106 R)
• M4: 1,696,141 km (0.118 R)
• M5: 2,165,728 km (0.114 R)
• M6: 2,693,659 km (0.109 R)
• M7: 3,532,754 km (0.093 R)
• M8: 4,598,788 km (0.11 R)
• M9: 5,191,794 km (0.041 R)
• M10: 5,818,460 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.1

Radius: 11.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.86 AU - 1.06 AU

Year: 607 Days

Day: 9.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 34,458,633 km

• M1: 144,212 km (0.069 R)
• M2: 568,921 km (0.042 R)
• M3: 991,535 km (0.032 R)
• M4: 1,373,608 km (0.111 R)
• M5: 2,431,863 km (0.063 R)
• M6: 3,293,696 km (0.095 R)
• M7: 4,075,794 km (0.107 R)
• M8: 4,475,519 km (0.105 R)
• M9: 5,468,101 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467

Radius: 9.4

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.71 AU - 2.39 AU

Year: 1895 Days

Day: 5.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,458,633 km

• M1: 116,836 km (0.094 R)
• M2: 426,354 km (0.093 R)
• M3: 750,233 km (0.1 R)
• M4: 1,308,682 km (0.046 R)
• M5: 2,338,813 km (0.108 R)
• M6: 2,727,169 km (0.049 R)
• M7: 3,343,064 km (0.103 R)
• M8: 3,650,936 km (0.086 R)
• M9: 4,103,021 km (0.115 R)
• M10: 4,592,056 km (0.117 R)
• M11: 4,973,830 km (0.1 R)
• M12: 5,354,856 km (0.117 R)
• M13: 6,591,432 km (0.108 R)
• M14: 7,451,919 km (0.098 R)
• M15: 8,473,971 km (0.068 R)
• M16: 9,363,181 km (0.043 R)
• M17: 10,078,259 km (0.067 R)
• M18: 11,182,890 km (0.108 R)
• M19: 11,987,876 km (0.046 R)
• M20: 12,870,204 km (0.113 R)
• M21: 13,428,054 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 8.2

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.31 AU - 3.57 AU

Year: 4120 Days

Day: 7.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,458,633 km

• M1: 102,175 km (0.091 R)
• M2: 511,774 km (0.088 R)
• M3: 818,899 km (0.034 R)
• M4: 1,313,320 km (0.105 R)
• M5: 1,586,635 km (0.087 R)
• M6: 2,616,916 km (0.041 R)
• M7: 3,803,675 km (0.063 R)
• M8: 6,231,649 km (0.106 R)
• M9: 6,671,317 km (0.057 R)
• M10: 6,927,578 km (0.087 R)
• M11: 8,876,390 km (0.116 R)
• M12: 11,164,639 km (0.12 R)
• M13: 12,530,617 km (0.103 R)
• M14: 13,186,903 km (0.085 R)
• M15: 15,640,308 km (0.104 R)
• M16: 17,346,172 km (0.053 R)
• M17: 18,550,136 km (0.114 R)
• M18: 19,115,466 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.9

Radius: 14.9

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 3.36 AU - 5 AU

Year: 5518 Days

Day: 9.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,458,633 km

• M1: 185,352 km (0.107 R)
• M2: 1,567,935 km (0.082 R)
• M3: 2,162,886 km (0.115 R)
• M4: 2,890,081 km (0.099 R)
• M5: 3,402,005 km (0.074 R)
• M6: 4,813,162 km (0.105 R)
• M7: 5,343,486 km (0.089 R)
• M8: 6,121,844 km (0.082 R)
• M9: 6,586,196 km (0.108 R)
• M10: 7,691,724 km (0.074 R)
• M11: 8,647,355 km (0.096 R)
• M12: 14,490,798 km (0.114 R)
• M13: 15,151,871 km (0.103 R)
• M14: 15,660,803 km (0.066 R)
• M15: 17,134,641 km (0.12 R)
• M16: 18,570,631 km (0.09 R)
• M17: 23,510,502 km (0.079 R)
• M18: 27,307,446 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.3

Radius: 10.5

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 4.08 AU - 4.36 AU

Year: 5597 Days

Day: 13.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 34,458,633 km

• M1: 130,599 km (0.089 R)
• M2: 476,469 km (0.096 R)
• M3: 1,527,993 km (0.055 R)
• M4: 1,869,375 km (0.114 R)
• M5: 2,360,654 km (0.106 R)
• M6: 2,936,756 km (0.101 R)
• M7: 4,071,156 km (0.118 R)
• M8: 4,738,064 km (0.118 R)
• M9: 5,967,459 km (0.12 R)
• M10: 6,421,189 km (0.086 R)
• M11: 6,793,838 km (0.102 R)
• M12: 7,252,804 km (0.085 R)
• M13: 7,807,962 km (0.1 R)
• M14: 8,272,463 km (0.088 R)
• M15: 8,714,226 km (0.119 R)
• M16: 9,732,987 km (0.052 R)
• M17: 10,180,285 km (0.065 R)
• M18: 11,164,339 km (0.102 R)
• M19: 12,890,101 km (0.051 R)
• M20: 13,266,489 km (0.119 R)
• M21: 15,022,020 km (0.088 R)
• M22: 22,425,319 km (0.095 R)
• M23: 25,072,454 km (0.093 R)
• M24: 26,341,791 km (0.114 R)
• M25: 27,564,904 km (0.069 R)
• M26: 28,734,011 km (0.096 R)
• M27: 30,787,391 km (0.057 R)
• M28: 32,045,809 km (0.117 R)
• M29: 33,237,655 km (0.073 R)
• M30: 34,458,673 km (0.067 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 232 - 16,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit