🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 8.9

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.44 AU - 0.66 AU

Year: 282 Days

Day: 12.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,464,261 km

• M1: 110,702 km (0.118 R)
• M2: 476,020 km (0.078 R)
• M3: 944,262 km (0.029 R)
• M4: 1,241,962 km (0.045 R)
• M5: 1,695,692 km (0.101 R)
• M6: 2,285,706 km (0.06 R)
• M7: 2,628,883 km (0.106 R)
• M8: 2,988,965 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 590.1

Radius: 12.1

Gravity: 4.03 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.55 AU - 0.65 AU

Year: 321 Days

Day: 11.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,464,261 km

• M1: 150,495 km (0.098 R)
• M2: 618,886 km (0.117 R)
• M3: 1,033,123 km (0.108 R)
• M4: 1,588,430 km (0.056 R)
• M5: 2,121,298 km (0.119 R)
• M6: 2,508,906 km (0.038 R)
• M7: 2,934,512 km (0.036 R)
• M8: 3,518,093 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 697.7

Radius: 10.5

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.63 AU - 0.69 AU

Year: 370 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,464,261 km

• M1: 130,599 km (0.09 R)
• M2: 470,037 km (0.094 R)
• M3: 836,102 km (0.047 R)
• M4: 1,316,611 km (0.077 R)
• M5: 1,751,941 km (0.114 R)
• M6: 2,406,431 km (0.084 R)
• M7: 2,736,444 km (0.05 R)
• M8: 3,489,221 km (0.091 R)
• M9: 3,826,863 km (0.098 R)
• M10: 4,239,454 km (0.114 R)
• M11: 5,094,107 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 138.3

Radius: 12.8

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.62 AU - 0.82 AU

Year: 422 Days

Day: 6.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,464,261 km

• M1: 159,621 km (0.095 R)
• M2: 629,059 km (0.109 R)
• M3: 1,055,263 km (0.102 R)
• M4: 1,647,671 km (0.077 R)
• M5: 2,111,724 km (0.056 R)
• M6: 3,310,302 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 14.3

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.15 AU - 4.13 AU

Year: 4794 Days

Day: 13.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 139.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,464,261 km

• M1: 178,171 km (0.116 R)
• M2: 942,616 km (0.039 R)
• M3: 1,434,344 km (0.053 R)
• M4: 2,858,666 km (0.12 R)
• M5: 3,425,941 km (0.084 R)
• M6: 4,922,069 km (0.056 R)
• M7: 5,772,533 km (0.049 R)
• M8: 7,160,053 km (0.106 R)
• M9: 8,680,716 km (0.064 R)
• M10: 14,032,879 km (0.117 R)
• M11: 15,506,118 km (0.06 R)
• M12: 16,893,190 km (0.117 R)
• M13: 17,777,313 km (0.114 R)
• M14: 19,844,457 km (0.091 R)
• M15: 21,478,664 km (0.078 R)
• M16: 22,291,130 km (0.098 R)
• M17: 23,124,091 km (0.112 R)
• M18: 25,665,609 km (0.052 R)
• M19: 29,547,375 km (0.102 R)
• M20: 30,276,215 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.8

Radius: 9.3

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 3.67 AU - 4.43 AU

Year: 5626 Days

Day: 7.4 Hours

Environment

Temp: -209 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,464,261 km

• M1: 115,938 km (0.086 R)
• M2: 414,237 km (0.106 R)
• M3: 1,068,278 km (0.106 R)
• M4: 1,374,804 km (0.065 R)
• M5: 2,217,639 km (0.069 R)
• M6: 2,604,798 km (0.074 R)
• M7: 2,924,339 km (0.106 R)
• M8: 3,600,671 km (0.113 R)
• M9: 4,601,032 km (0.109 R)
• M10: 5,717,780 km (0.037 R)
• M11: 8,554,605 km (0.116 R)
• M12: 10,807,549 km (0.111 R)
• M13: 13,325,430 km (0.103 R)
• M14: 14,499,774 km (0.079 R)
• M15: 20,857,833 km (0.036 R)
• M16: 26,487,500 km (0.078 R)
• M17: 28,338,474 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 12.6

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.46 AU - 5.06 AU

Year: 7168 Days

Day: 9 Hours

Environment

Temp: -225 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 37,464,261 km

• M1: 277,654 km (0.064 R)
• M2: 692,040 km (0.05 R)
• M3: 1,104,780 km (0.066 R)
• M4: 1,636,002 km (0.117 R)
• M5: 2,061,758 km (0.081 R)
• M6: 3,040,876 km (0.043 R)
• M7: 3,488,772 km (0.09 R)
• M8: 3,932,030 km (0.045 R)
• M9: 5,076,454 km (0.117 R)
• M10: 5,998,725 km (0.098 R)
• M11: 6,534,585 km (0.092 R)
• M12: 7,360,814 km (0.099 R)
• M13: 8,094,890 km (0.103 R)
• M14: 8,541,739 km (0.088 R)
• M15: 9,754,380 km (0.109 R)
• M16: 10,308,041 km (0.109 R)
• M17: 11,630,486 km (0.097 R)
• M18: 13,565,984 km (0.109 R)
• M19: 15,274,691 km (0.106 R)
• M20: 16,404,903 km (0.07 R)
• M21: 19,910,130 km (0.083 R)
• M22: 23,068,141 km (0.1 R)
• M23: 25,235,665 km (0.114 R)
• M24: 25,841,686 km (0.08 R)
• M25: 26,992,841 km (0.098 R)
• M26: 29,492,771 km (0.118 R)
• M27: 31,640,847 km (0.055 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 10,582 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit