🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.8

Radius: 13.7

Gravity: 4.82 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.44 AU - 1.48 AU

Year: 1157 Days

Day: 7.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,654,311 km

• M1: 170,392 km (0.063 R)
• M2: 650,152 km (0.111 R)
• M3: 1,115,701 km (0.108 R)
• M4: 1,813,575 km (0.107 R)
• M5: 2,287,052 km (0.108 R)
• M6: 2,790,599 km (0.09 R)
• M7: 3,536,643 km (0.063 R)
• M8: 5,040,102 km (0.048 R)
• M9: 5,640,438 km (0.036 R)
• M10: 6,522,766 km (0.049 R)
• M11: 7,060,122 km (0.111 R)
• M12: 7,573,991 km (0.114 R)
• M13: 8,476,814 km (0.094 R)
• M14: 9,298,106 km (0.07 R)
• M15: 10,107,730 km (0.107 R)
• M16: 10,997,538 km (0.118 R)
• M17: 11,760,786 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.6

Radius: 14.5

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.2 AU - 1.72 AU

Year: 1157 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 26,654,311 km

• M1: 180,415 km (0.044 R)
• M2: 717,322 km (0.036 R)
• M3: 1,712,896 km (0.085 R)
• M4: 2,165,280 km (0.11 R)
• M5: 2,798,228 km (0.087 R)
• M6: 3,348,898 km (0.101 R)
• M7: 4,511,273 km (0.12 R)
• M8: 6,274,583 km (0.099 R)
• M9: 6,985,921 km (0.075 R)
• M10: 7,904,901 km (0.032 R)
• M11: 9,389,211 km (0.088 R)
• M12: 10,666,777 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.8

Radius: 10.7

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.21 AU - 1.93 AU

Year: 1291 Days

Day: 12.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,654,311 km

• M1: 133,142 km (0.085 R)
• M2: 574,605 km (0.105 R)
• M3: 1,018,014 km (0.096 R)
• M4: 1,688,362 km (0.116 R)
• M5: 2,173,657 km (0.076 R)
• M6: 2,671,668 km (0.071 R)
• M7: 3,649,590 km (0.075 R)
• M8: 4,229,730 km (0.106 R)
• M9: 4,675,681 km (0.036 R)
• M10: 5,360,989 km (0.099 R)
• M11: 5,997,379 km (0.101 R)
• M12: 6,683,434 km (0.061 R)
• M13: 8,382,268 km (0.116 R)
• M14: 8,937,874 km (0.115 R)
• M15: 9,362,882 km (0.04 R)
• M16: 10,821,162 km (0.027 R)
• M17: 12,165,897 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.6

Radius: 9.1

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.39 AU - 2.27 AU

Year: 1624 Days

Day: 14.5 Hours

Environment

Temp: -182 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,654,311 km

• M1: 113,246 km (0.097 R)
• M2: 452,833 km (0.069 R)
• M3: 867,368 km (0.112 R)
• M4: 1,749,098 km (0.064 R)
• M5: 2,033,484 km (0.111 R)
• M6: 2,325,648 km (0.081 R)
• M7: 3,167,436 km (0.036 R)
• M8: 3,723,491 km (0.088 R)
• M9: 4,164,356 km (0.115 R)
• M10: 4,890,803 km (0.08 R)
• M11: 5,212,439 km (0.083 R)
• M12: 5,634,155 km (0.087 R)
• M13: 5,965,365 km (0.06 R)
• M14: 6,522,318 km (0.103 R)
• M15: 6,962,584 km (0.094 R)
• M16: 8,374,638 km (0.052 R)
• M17: 9,314,711 km (0.108 R)
• M18: 9,653,551 km (0.079 R)
• M19: 10,619,803 km (0.073 R)
• M20: 11,684,491 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625

Radius: 8.5

Gravity: 8.65 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.86 AU - 3.58 AU

Year: 3790 Days

Day: 7.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 26,654,311 km

• M1: 106,065 km (0.054 R)
• M2: 371,003 km (0.058 R)
• M3: 684,859 km (0.078 R)
• M4: 969,095 km (0.104 R)
• M5: 1,716,187 km (0.105 R)
• M6: 2,060,262 km (0.085 R)
• M7: 2,465,523 km (0.06 R)
• M8: 2,940,496 km (0.068 R)
• M9: 3,674,423 km (0.106 R)
• M10: 4,008,774 km (0.098 R)
• M11: 4,525,036 km (0.076 R)
• M12: 6,081,602 km (0.114 R)
• M13: 6,918,453 km (0.079 R)
• M14: 8,174,327 km (0.099 R)
• M15: 9,192,490 km (0.081 R)
• M16: 11,130,830 km (0.105 R)
• M17: 11,923,249 km (0.103 R)
• M18: 13,522,002 km (0.049 R)
• M19: 14,220,026 km (0.066 R)
• M20: 16,125,454 km (0.033 R)
• M21: 17,661,973 km (0.026 R)
• M22: 22,164,121 km (0.109 R)
• M23: 24,059,826 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121

Radius: 11.8

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 2.71 AU - 3.87 AU

Year: 3915 Days

Day: 6.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 26,654,311 km

• M1: 152,291 km (0.119 R)
• M2: 583,581 km (0.097 R)
• M3: 1,683,126 km (0.114 R)
• M4: 2,635,166 km (0.1 R)
• M5: 3,301,326 km (0.065 R)
• M6: 3,708,830 km (0.082 R)
• M7: 4,547,476 km (0.107 R)
• M8: 5,688,609 km (0.096 R)
• M9: 8,772,419 km (0.106 R)
• M10: 9,722,964 km (0.101 R)
• M11: 11,131,578 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 14.1

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.99 AU - 6.39 AU

Year: 7756 Days

Day: 12.6 Hours

Environment

Temp: -219 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 26,654,311 km

• M1: 175,927 km (0.119 R)
• M2: 645,216 km (0.067 R)
• M3: 1,672,055 km (0.064 R)
• M4: 2,134,014 km (0.035 R)
• M5: 2,999,288 km (0.114 R)
• M6: 5,100,390 km (0.03 R)
• M7: 6,066,792 km (0.072 R)
• M8: 6,513,042 km (0.103 R)
• M9: 6,953,159 km (0.115 R)
• M10: 7,924,199 km (0.086 R)
• M11: 8,362,820 km (0.056 R)
• M12: 9,186,356 km (0.11 R)
• M13: 10,282,161 km (0.102 R)
• M14: 11,345,203 km (0.114 R)
• M15: 13,380,333 km (0.07 R)
• M16: 15,213,954 km (0.101 R)
• M17: 17,418,877 km (0.077 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 88.6

Radius: 4.3

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 5.21 AU - 8.31 AU

Year: 11530 Days

Day: 23.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,654,311 km

• M1: 74,201 km (0.053 R)
• M2: 244,742 km (0.037 R)
• M3: 594,652 km (0.068 R)
• M4: 1,873,414 km (0.115 R)
• M5: 2,319,515 km (0.093 R)
• M6: 3,686,840 km (0.11 R)
• M7: 3,991,421 km (0.049 R)
• M8: 4,218,959 km (0.116 R)
• M9: 4,431,089 km (0.068 R)
• M10: 4,851,309 km (0.119 R)
• M11: 5,742,015 km (0.109 R)
• M12: 7,701,149 km (0.077 R)
• M13: 11,186,181 km (0.086 R)
• M14: 12,823,230 km (0.114 R)
• M15: 13,368,963 km (0.084 R)
• M16: 14,137,896 km (0.056 R)
• M17: 15,208,568 km (0.099 R)
• M18: 15,707,477 km (0.045 R)
• M19: 16,855,342 km (0.093 R)
• M20: 18,491,942 km (0.067 R)
• M21: 20,231,616 km (0.076 R)
• M22: 22,077,205 km (0.11 R)
• M23: 22,218,276 km (0.096 R)
• M24: 23,735,647 km (0.114 R)
• M25: 25,397,829 km (0.051 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 20,416 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit