🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.3

Radius: 15

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,769,198 km

• M1: 186,549 km (0.094 R)
• M2: 896,540 km (0.097 R)
• M3: 1,535,024 km (0.118 R)
• M4: 2,017,028 km (0.11 R)
• M5: 2,633,072 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 13.6

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.89 AU - 1.41 AU

Year: 822 Days

Day: 5.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,769,198 km

• M1: 169,195 km (0.114 R)
• M2: 626,516 km (0.081 R)
• M3: 1,147,565 km (0.091 R)
• M4: 2,140,446 km (0.066 R)
• M5: 2,712,509 km (0.116 R)
• M6: 3,495,803 km (0.063 R)
• M7: 4,140,121 km (0.077 R)
• M8: 4,925,360 km (0.113 R)
• M9: 5,825,341 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 10.9

Gravity: 3.01 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.06 AU - 1.32 AU

Year: 866 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 80,769,198 km

• M1: 135,536 km (0.108 R)
• M2: 673,490 km (0.065 R)
• M3: 1,190,799 km (0.045 R)
• M4: 1,714,092 km (0.099 R)
• M5: 2,307,398 km (0.055 R)
• M6: 3,366,550 km (0.108 R)
• M7: 4,136,830 km (0.076 R)
• M8: 6,536,230 km (0.087 R)
• M9: 7,421,401 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.4

Radius: 11.8

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.85 AU - 4.19 AU

Year: 4404 Days

Day: 14.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,769,198 km

• M1: 152,141 km (0.108 R)
• M2: 1,084,734 km (0.096 R)
• M3: 2,025,854 km (0.111 R)
• M4: 2,975,352 km (0.118 R)
• M5: 5,453,291 km (0.089 R)
• M6: 6,617,611 km (0.026 R)
• M7: 7,000,432 km (0.04 R)
• M8: 8,441,957 km (0.068 R)
• M9: 8,857,690 km (0.116 R)
• M10: 9,995,831 km (0.083 R)
• M11: 10,660,045 km (0.075 R)
• M12: 12,207,485 km (0.118 R)
• M13: 13,241,955 km (0.101 R)
• M14: 13,709,598 km (0.109 R)
• M15: 14,139,841 km (0.057 R)
• M16: 14,777,278 km (0.074 R)
• M17: 17,023,191 km (0.081 R)
• M18: 17,464,803 km (0.071 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 148.3

Radius: 3.2

Gravity: 14.48 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.86 AU - 7.76 AU

Year: 13180 Days

Day: 17.3 Hours

Environment

Temp: -238 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,769,198 km

• M1: 42,037 km (0.06 R)
• M2: 186,698 km (0.105 R)
• M3: 488,287 km (0.101 R)
• M4: 675,734 km (0.1 R)
• M5: 806,632 km (0.11 R)
• M6: 982,260 km (0.055 R)
• M7: 1,259,315 km (0.074 R)
• M8: 2,058,467 km (0.109 R)
• M9: 3,316,585 km (0.079 R)
• M10: 4,927,006 km (0.109 R)
• M11: 5,481,565 km (0.067 R)
• M12: 6,206,816 km (0.096 R)
• M13: 10,387,179 km (0.032 R)
• M14: 13,483,555 km (0.059 R)
• M15: 13,650,058 km (0.081 R)
• M16: 15,572,241 km (0.064 R)
• M17: 16,885,112 km (0.097 R)
• M18: 17,667,509 km (0.11 R)
• M19: 23,670,721 km (0.117 R)
• M20: 26,774,877 km (0.114 R)
• M21: 28,016,839 km (0.088 R)
• M22: 33,267,874 km (0.063 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 672.5

Radius: 6.1

Gravity: 18.07 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.76 AU - 11.86 AU

Year: 22076 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,769,198 km

• M1: 78,988 km (0.094 R)
• M2: 278,850 km (0.104 R)
• M3: 923,468 km (0.082 R)
• M4: 1,904,830 km (0.11 R)
• M5: 2,387,881 km (0.084 R)
• M6: 2,598,066 km (0.11 R)
• M7: 2,923,292 km (0.076 R)
• M8: 3,903,756 km (0.114 R)
• M9: 5,011,379 km (0.066 R)
• M10: 5,279,010 km (0.096 R)
• M11: 5,843,293 km (0.086 R)
• M12: 6,183,329 km (0.081 R)
• M13: 6,402,490 km (0.102 R)
• M14: 6,996,543 km (0.111 R)
• M15: 7,527,466 km (0.105 R)
• M16: 9,862,988 km (0.115 R)
• M17: 10,969,862 km (0.102 R)
• M18: 14,707,266 km (0.08 R)
• M19: 14,941,237 km (0.025 R)
• M20: 15,983,485 km (0.077 R)
• M21: 21,428,100 km (0.117 R)
• M22: 22,338,702 km (0.063 R)
• M23: 22,855,563 km (0.109 R)
• M24: 24,020,930 km (0.087 R)
• M25: 25,560,591 km (0.063 R)
• M26: 26,012,227 km (0.09 R)
• M27: 31,855,520 km (0.092 R)
• M28: 33,040,635 km (0.073 R)
• M29: 34,528,535 km (0.058 R)
• M30: 39,860,801 km (0.12 R)
• M31: 46,215,270 km (0.085 R)
• M32: 53,396,118 km (0.093 R)
• M33: 56,198,534 km (0.036 R)
• M34: 62,094,785 km (0.075 R)
• M35: 62,706,191 km (0.106 R)
• M36: 74,407,887 km (0.064 R)
• M37: 78,135,566 km (0.078 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 15,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit