🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 9.5

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.95 AU - 1.23 AU

Year: 772 Days

Day: 7 Hours

Environment

Temp: -188 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,418,490 km

• M1: 118,482 km (0.102 R)
• M2: 595,400 km (0.102 R)
• M3: 943,813 km (0.08 R)
• M4: 1,373,458 km (0.075 R)
• M5: 1,895,555 km (0.069 R)
• M6: 2,293,485 km (0.094 R)
• M7: 3,031,900 km (0.088 R)
• M8: 3,920,960 km (0.093 R)
• M9: 5,401,381 km (0.065 R)
• M10: 7,380,411 km (0.088 R)
• M11: 8,079,781 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 9.8

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.04 AU - 1.3 AU

Year: 858 Days

Day: 10.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 33,418,490 km

• M1: 127,308 km (0.112 R)
• M2: 683,662 km (0.093 R)
• M3: 1,473,389 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803.4

Radius: 15

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.95 AU - 1.39 AU

Year: 858 Days

Day: 13.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,418,490 km

• M1: 186,549 km (0.115 R)
• M2: 667,506 km (0.071 R)
• M3: 1,214,136 km (0.119 R)
• M4: 1,680,882 km (0.068 R)
• M5: 2,475,246 km (0.086 R)
• M6: 2,960,841 km (0.052 R)
• M7: 3,625,654 km (0.09 R)
• M8: 4,208,786 km (0.105 R)
• M9: 4,801,194 km (0.117 R)
• M10: 7,268,213 km (0.094 R)
• M11: 8,175,823 km (0.086 R)
• M12: 9,268,785 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 280.5

Radius: 8.3

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.4 AU - 2.18 AU

Year: 1624 Days

Day: 12 Hours

Environment

Temp: -201 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,418,490 km

• M1: 103,522 km (0.101 R)
• M2: 487,240 km (0.066 R)
• M3: 815,907 km (0.112 R)
• M4: 1,263,653 km (0.058 R)
• M5: 1,965,866 km (0.1 R)
• M6: 2,302,461 km (0.09 R)
• M7: 2,652,819 km (0.117 R)
• M8: 3,189,127 km (0.071 R)
• M9: 3,656,322 km (0.096 R)
• M10: 4,235,864 km (0.076 R)
• M11: 4,637,085 km (0.116 R)
• M12: 5,044,590 km (0.12 R)
• M13: 6,661,743 km (0.071 R)
• M14: 7,701,897 km (0.107 R)
• M15: 9,739,420 km (0.06 R)
• M16: 10,039,962 km (0.11 R)
• M17: 10,565,050 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 10.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.57 AU - 2.25 AU

Year: 1790 Days

Day: 13.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,418,490 km

• M1: 133,142 km (0.039 R)
• M2: 496,665 km (0.116 R)
• M3: 946,207 km (0.107 R)
• M4: 1,506,600 km (0.12 R)
• M5: 1,979,329 km (0.078 R)
• M6: 2,377,709 km (0.105 R)
• M7: 2,842,210 km (0.117 R)
• M8: 3,751,615 km (0.102 R)
• M9: 4,316,347 km (0.089 R)
• M10: 4,936,879 km (0.115 R)
• M11: 5,475,282 km (0.101 R)
• M12: 6,009,945 km (0.111 R)
• M13: 6,900,202 km (0.032 R)
• M14: 7,524,623 km (0.11 R)
• M15: 8,056,145 km (0.083 R)
• M16: 8,585,422 km (0.106 R)
• M17: 8,997,414 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.2

Radius: 9.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.85 AU - 2.33 AU

Year: 2049 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,418,490 km

• M1: 274,063 km (0.119 R)
• M2: 574,605 km (0.089 R)
• M3: 1,513,482 km (0.062 R)
• M4: 1,878,201 km (0.11 R)
• M5: 2,395,062 km (0.046 R)
• M6: 3,094,282 km (0.069 R)
• M7: 3,777,945 km (0.101 R)
• M8: 4,693,932 km (0.089 R)
• M9: 5,343,636 km (0.12 R)
• M10: 6,070,083 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.3

Radius: 12.9

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.96 AU - 2.64 AU

Year: 2366 Days

Day: 13.1 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,418,490 km

• M1: 160,369 km (0.056 R)
• M2: 651,648 km (0.102 R)
• M3: 1,577,210 km (0.098 R)
• M4: 2,026,154 km (0.067 R)
• M5: 2,561,265 km (0.093 R)
• M6: 3,790,810 km (0.093 R)
• M7: 5,689,057 km (0.049 R)
• M8: 6,185,423 km (0.085 R)
• M9: 6,683,584 km (0.078 R)
• M10: 7,236,947 km (0.099 R)
• M11: 13,165,660 km (0.093 R)
• M12: 13,859,944 km (0.059 R)
• M13: 15,321,664 km (0.077 R)
• M14: 16,285,972 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 12.4

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.58 AU - 5.22 AU

Year: 6260 Days

Day: 13.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,418,490 km

• M1: 154,235 km (0.118 R)
• M2: 555,457 km (0.054 R)
• M3: 1,025,194 km (0.092 R)
• M4: 1,449,753 km (0.084 R)
• M5: 1,839,605 km (0.086 R)
• M6: 2,420,344 km (0.089 R)
• M7: 3,120,911 km (0.108 R)
• M8: 4,375,439 km (0.03 R)
• M9: 4,852,955 km (0.109 R)
• M10: 5,828,632 km (0.116 R)
• M11: 6,230,303 km (0.09 R)
• M12: 7,121,906 km (0.065 R)
• M13: 7,548,409 km (0.093 R)
• M14: 9,235,125 km (0.109 R)
• M15: 10,561,011 km (0.095 R)
• M16: 13,340,390 km (0.107 R)
• M17: 16,575,294 km (0.094 R)
• M18: 18,282,805 km (0.116 R)
• M19: 19,210,760 km (0.11 R)
• M20: 20,300,132 km (0.104 R)
• M21: 20,959,858 km (0.084 R)
• M22: 22,183,419 km (0.08 R)
• M23: 25,374,192 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 257.3

Radius: 5.3

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.45 AU - 7.17 AU

Year: 9499 Days

Day: 19.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 33,418,490 km

• M1: 66,122 km (0.076 R)
• M2: 316,998 km (0.042 R)
• M3: 527,033 km (0.077 R)
• M4: 744,549 km (0.079 R)
• M5: 1,495,829 km (0.065 R)
• M6: 3,207,678 km (0.088 R)
• M7: 3,528,715 km (0.088 R)
• M8: 4,086,715 km (0.034 R)
• M9: 4,542,390 km (0.105 R)
• M10: 5,003,301 km (0.033 R)
• M11: 5,230,690 km (0.073 R)
• M12: 5,645,225 km (0.087 R)
• M13: 6,275,182 km (0.055 R)
• M14: 7,234,104 km (0.101 R)
• M15: 7,451,620 km (0.081 R)
• M16: 8,287,124 km (0.099 R)
• M17: 8,525,283 km (0.109 R)
• M18: 8,850,210 km (0.111 R)
• M19: 9,481,363 km (0.052 R)
• M20: 12,155,126 km (0.036 R)
• M21: 14,880,949 km (0.079 R)
• M22: 15,351,883 km (0.066 R)
• M23: 17,725,253 km (0.097 R)
• M24: 22,180,427 km (0.038 R)
• M25: 23,341,457 km (0.114 R)
• M26: 23,976,948 km (0.037 R)
• M27: 26,806,891 km (0.115 R)
• M28: 27,240,875 km (0.079 R)
• M29: 29,758,906 km (0.103 R)
• M30: 30,600,095 km (0.099 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 416 - 16,998 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit