🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 12.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.64 AU - 0.94 AU

Year: 476 Days

Day: 14.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 17,985,053 km

• M1: 153,039 km (0.069 R)
• M2: 586,274 km (0.043 R)
• M3: 1,032,375 km (0.04 R)
• M4: 1,492,688 km (0.063 R)
• M5: 2,044,105 km (0.056 R)
• M6: 2,580,713 km (0.104 R)
• M7: 3,084,858 km (0.064 R)
• M8: 3,596,782 km (0.036 R)
• M9: 4,014,309 km (0.076 R)
• M10: 4,437,821 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 600.8

Radius: 8.6

Gravity: 8.12 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.79 AU - 1.01 AU

Year: 579 Days

Day: 13.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,985,053 km

• M1: 108,159 km (0.069 R)
• M2: 425,008 km (0.091 R)
• M3: 694,733 km (0.094 R)
• M4: 1,183,469 km (0.108 R)
• M5: 1,502,561 km (0.094 R)
• M6: 1,972,298 km (0.06 R)
• M7: 2,242,173 km (0.026 R)
• M8: 2,662,094 km (0.085 R)
• M9: 3,193,466 km (0.116 R)
• M10: 3,646,897 km (0.053 R)
• M11: 4,229,730 km (0.111 R)
• M12: 4,543,587 km (0.1 R)
• M13: 4,937,627 km (0.052 R)
• M14: 5,722,418 km (0.102 R)
• M15: 6,126,033 km (0.091 R)
• M16: 6,470,258 km (0.058 R)
• M17: 6,847,543 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.3

Radius: 8.8

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.18 AU - 1.6 AU

Year: 1112 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 17,985,053 km

• M1: 109,655 km (0.086 R)
• M2: 434,881 km (0.118 R)
• M3: 708,496 km (0.117 R)
• M4: 1,350,121 km (0.079 R)
• M5: 1,643,333 km (0.11 R)
• M6: 1,990,100 km (0.087 R)
• M7: 2,314,129 km (0.064 R)
• M8: 3,229,818 km (0.033 R)
• M9: 3,794,999 km (0.107 R)
• M10: 4,136,531 km (0.085 R)
• M11: 5,540,058 km (0.112 R)
• M12: 6,833,032 km (0.096 R)
• M13: 7,236,797 km (0.11 R)
• M14: 7,790,908 km (0.105 R)
• M15: 8,401,416 km (0.104 R)
• M16: 8,835,699 km (0.118 R)
• M17: 10,099,651 km (0.067 R)
• M18: 10,724,522 km (0.039 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 309.6

Radius: 13.2

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.03 AU - 3.35 AU

Year: 2992 Days

Day: 11.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 17,985,053 km

• M1: 164,109 km (0.07 R)
• M2: 683,213 km (0.093 R)
• M3: 1,145,620 km (0.114 R)
• M4: 1,599,949 km (0.079 R)
• M5: 2,188,617 km (0.09 R)
• M6: 2,701,289 km (0.093 R)
• M7: 3,844,216 km (0.1 R)
• M8: 4,617,937 km (0.051 R)
• M9: 5,400,932 km (0.12 R)
• M10: 6,955,553 km (0.096 R)
• M11: 7,401,355 km (0.078 R)
• M12: 8,568,816 km (0.112 R)
• M13: 9,016,712 km (0.107 R)
• M14: 10,383,439 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.5

Radius: 11.6

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.39 AU - 3.31 AU

Year: 3263 Days

Day: 9.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 17,985,053 km

• M1: 144,362 km (0.118 R)
• M2: 619,186 km (0.039 R)
• M3: 1,064,538 km (0.119 R)
• M4: 1,695,542 km (0.112 R)
• M5: 2,536,581 km (0.09 R)
• M6: 3,218,000 km (0.103 R)
• M7: 3,779,141 km (0.073 R)
• M8: 4,465,048 km (0.063 R)
• M9: 4,880,930 km (0.115 R)
• M10: 5,695,191 km (0.099 R)
• M11: 6,492,996 km (0.029 R)
• M12: 9,337,002 km (0.118 R)
• M13: 10,374,164 km (0.116 R)
• M14: 11,525,020 km (0.114 R)
• M15: 12,965,947 km (0.108 R)
• M16: 13,773,326 km (0.043 R)
• M17: 15,914,371 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.6

Radius: 9.2

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.11 AU - 3.33 AU

Year: 3919 Days

Day: 7.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 17,985,053 km

• M1: 115,190 km (0.093 R)
• M2: 768,335 km (0.031 R)
• M3: 1,301,501 km (0.097 R)
• M4: 1,853,817 km (0.09 R)
• M5: 2,443,382 km (0.055 R)
• M6: 2,959,794 km (0.112 R)
• M7: 3,565,216 km (0.113 R)
• M8: 4,032,710 km (0.053 R)
• M9: 4,394,138 km (0.109 R)
• M10: 5,136,293 km (0.111 R)
• M11: 5,537,515 km (0.078 R)
• M12: 6,270,395 km (0.105 R)
• M13: 7,385,497 km (0.105 R)
• M14: 7,928,238 km (0.087 R)
• M15: 9,026,137 km (0.108 R)
• M16: 9,682,124 km (0.118 R)
• M17: 11,323,212 km (0.117 R)
• M18: 12,543,632 km (0.084 R)
• M19: 14,258,173 km (0.091 R)
• M20: 17,665,265 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 19,204 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit