🌌 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: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.2

Radius: 14.5

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.67 AU - 0.93 AU

Year: 494 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,394,670 km

• M1: 180,265 km (0.059 R)
• M2: 708,196 km (0.07 R)
• M3: 1,221,317 km (0.114 R)
• M4: 2,169,319 km (0.119 R)
• M5: 2,671,668 km (0.111 R)
• M6: 3,263,777 km (0.058 R)
• M7: 3,732,317 km (0.106 R)
• M8: 4,203,850 km (0.052 R)
• M9: 4,915,936 km (0.098 R)
• M10: 5,417,687 km (0.101 R)
• M11: 6,262,616 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626

Radius: 10.4

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.69 AU - 1.11 AU

Year: 589 Days

Day: 6.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,394,670 km

• M1: 129,701 km (0.066 R)
• M2: 471,084 km (0.113 R)
• M3: 838,197 km (0.105 R)
• M4: 1,330,823 km (0.105 R)
• M5: 1,874,910 km (0.116 R)
• M6: 2,256,085 km (0.03 R)
• M7: 2,764,569 km (0.103 R)
• M8: 3,310,900 km (0.105 R)
• M9: 3,777,197 km (0.031 R)
• M10: 5,004,198 km (0.083 R)
• M11: 5,965,065 km (0.083 R)
• M12: 6,558,371 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.1

Radius: 14.5

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.03 AU - 1.17 AU

Year: 796 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 36,394,670 km

• M1: 180,265 km (0.104 R)
• M2: 638,484 km (0.091 R)
• M3: 1,120,488 km (0.09 R)
• M4: 1,752,389 km (0.071 R)
• M5: 2,256,085 km (0.102 R)
• M6: 3,098,172 km (0.033 R)
• M7: 4,141,916 km (0.118 R)
• M8: 4,606,866 km (0.09 R)
• M9: 5,070,021 km (0.111 R)
• M10: 5,823,396 km (0.104 R)
• M11: 6,496,587 km (0.08 R)
• M12: 6,966,174 km (0.081 R)
• M13: 7,458,501 km (0.115 R)
• M14: 7,924,050 km (0.084 R)
• M15: 8,539,794 km (0.105 R)
• M16: 9,270,580 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 687.2

Radius: 10.2

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.69 AU - 2.01 AU

Year: 1737 Days

Day: 11.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,394,670 km

• M1: 126,859 km (0.099 R)
• M2: 518,805 km (0.097 R)
• M3: 1,025,793 km (0.096 R)
• M4: 2,564,108 km (0.057 R)
• M5: 3,472,017 km (0.066 R)
• M6: 4,231,825 km (0.047 R)
• M7: 6,475,643 km (0.115 R)
• M8: 7,429,030 km (0.104 R)
• M9: 8,233,268 km (0.089 R)
• M10: 9,062,789 km (0.102 R)
• M11: 9,712,492 km (0.117 R)
• M12: 11,398,460 km (0.08 R)
• M13: 12,155,575 km (0.098 R)
• M14: 14,497,530 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.5

Radius: 14.4

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.59 AU - 4.15 AU

Year: 5255 Days

Day: 10.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,394,670 km

• M1: 179,517 km (0.098 R)
• M2: 838,795 km (0.072 R)
• M3: 1,507,348 km (0.105 R)
• M4: 2,689,620 km (0.105 R)
• M5: 3,894,481 km (0.06 R)
• M6: 4,402,217 km (0.095 R)
• M7: 4,888,260 km (0.078 R)
• M8: 5,363,233 km (0.096 R)
• M9: 6,146,977 km (0.107 R)
• M10: 6,950,167 km (0.102 R)
• M11: 7,464,934 km (0.084 R)
• M12: 8,222,198 km (0.086 R)
• M13: 10,177,293 km (0.08 R)
• M14: 12,760,549 km (0.077 R)
• M15: 13,360,137 km (0.062 R)
• M16: 14,023,604 km (0.12 R)
• M17: 14,523,859 km (0.076 R)
• M18: 17,466,449 km (0.118 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 10.4

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 3.23 AU - 5.35 AU

Year: 6133 Days

Day: 8.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 36,394,670 km

• M1: 129,402 km (0.105 R)
• M2: 456,722 km (0.048 R)
• M3: 946,057 km (0.085 R)
• M4: 1,306,887 km (0.1 R)
• M5: 1,848,730 km (0.046 R)
• M6: 3,522,431 km (0.054 R)
• M7: 4,159,718 km (0.1 R)
• M8: 5,049,826 km (0.084 R)
• M9: 7,809,607 km (0.054 R)
• M10: 8,558,195 km (0.115 R)
• M11: 9,083,284 km (0.039 R)
• M12: 10,490,401 km (0.114 R)
• M13: 11,135,916 km (0.092 R)
• M14: 11,853,537 km (0.114 R)
• M15: 15,524,669 km (0.11 R)
• M16: 17,114,146 km (0.106 R)
• M17: 25,548,474 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.5

Radius: 11.3

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.54 AU - 5.44 AU

Year: 7694 Days

Day: 9.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 36,394,670 km

• M1: 140,622 km (0.107 R)
• M2: 755,918 km (0.104 R)
• M3: 1,199,775 km (0.114 R)
• M4: 2,129,825 km (0.097 R)
• M5: 2,602,853 km (0.104 R)
• M6: 3,335,285 km (0.063 R)
• M7: 3,809,211 km (0.112 R)
• M8: 5,179,527 km (0.094 R)
• M9: 7,548,559 km (0.1 R)
• M10: 8,780,946 km (0.084 R)
• M11: 9,162,720 km (0.094 R)
• M12: 9,555,564 km (0.089 R)
• M13: 12,575,646 km (0.063 R)
• M14: 14,013,431 km (0.035 R)
• M15: 15,131,376 km (0.066 R)
• M16: 15,496,544 km (0.094 R)
• M17: 18,563,749 km (0.112 R)
• M18: 19,052,934 km (0.11 R)
• M19: 25,270,222 km (0.05 R)
• M20: 26,746,454 km (0.052 R)
• M21: 29,207,787 km (0.03 R)
• M22: 32,618,469 km (0.087 R)
• M23: 33,742,997 km (0.073 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 14,710 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit