🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.7

Radius: 12.8

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.46 AU - 0.72 AU

Year: 313 Days

Day: 8.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,003,979 km

• M1: 159,471 km (0.089 R)
• M2: 651,349 km (0.101 R)
• M3: 1,290,581 km (0.104 R)
• M4: 1,834,668 km (0.101 R)
• M5: 2,345,395 km (0.104 R)
• M6: 2,782,670 km (0.064 R)
• M7: 3,210,071 km (0.109 R)
• M8: 3,646,299 km (0.117 R)
• M9: 4,109,603 km (0.106 R)
• M10: 4,516,659 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.5

Radius: 8.1

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.58 AU - 0.64 AU

Year: 329 Days

Day: 8.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,003,979 km

• M1: 100,679 km (0.046 R)
• M2: 479,611 km (0.037 R)
• M3: 992,283 km (0.108 R)
• M4: 1,260,362 km (0.043 R)
• M5: 1,531,583 km (0.073 R)
• M6: 1,886,728 km (0.118 R)
• M7: 2,270,447 km (0.084 R)
• M8: 2,545,557 km (0.04 R)
• M9: 3,015,594 km (0.104 R)
• M10: 3,326,907 km (0.043 R)
• M11: 4,259,201 km (0.089 R)
• M12: 4,652,195 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 10.7

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.62 AU - 0.66 AU

Year: 353 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,003,979 km

• M1: 132,993 km (0.098 R)
• M2: 558,898 km (0.103 R)
• M3: 969,245 km (0.118 R)
• M4: 1,438,533 km (0.075 R)
• M5: 1,823,299 km (0.113 R)
• M6: 2,345,395 km (0.106 R)
• M7: 2,766,663 km (0.043 R)
• M8: 3,248,967 km (0.085 R)
• M9: 4,109,603 km (0.04 R)
• M10: 4,464,150 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.4

Radius: 11.2

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.48 AU - 1.72 AU

Year: 1397 Days

Day: 7.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,003,979 km

• M1: 139,874 km (0.051 R)
• M2: 636,689 km (0.068 R)
• M3: 1,241,962 km (0.065 R)
• M4: 1,912,758 km (0.105 R)
• M5: 2,359,458 km (0.034 R)
• M6: 3,845,264 km (0.105 R)
• M7: 5,329,275 km (0.117 R)
• M8: 6,488,957 km (0.047 R)
• M9: 6,856,070 km (0.109 R)
• M10: 7,835,188 km (0.119 R)
• M11: 8,331,853 km (0.083 R)
• M12: 9,330,569 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848

Radius: 8.1

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.76 AU - 1.84 AU

Year: 1667 Days

Day: 5.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,003,979 km

• M1: 100,979 km (0.091 R)
• M2: 448,046 km (0.025 R)
• M3: 1,040,902 km (0.111 R)
• M4: 1,306,588 km (0.067 R)
• M5: 1,647,970 km (0.07 R)
• M6: 2,036,775 km (0.051 R)
• M7: 2,432,761 km (0.056 R)
• M8: 2,748,562 km (0.096 R)
• M9: 3,029,806 km (0.109 R)
• M10: 4,354,196 km (0.086 R)
• M11: 4,821,839 km (0.106 R)
• M12: 5,078,997 km (0.051 R)
• M13: 5,954,294 km (0.087 R)
• M14: 6,275,631 km (0.045 R)
• M15: 8,331,704 km (0.064 R)
• M16: 9,020,901 km (0.103 R)
• M17: 9,379,338 km (0.095 R)
• M18: 9,781,307 km (0.108 R)
• M19: 10,441,034 km (0.089 R)
• M20: 11,733,709 km (0.103 R)
• M21: 13,006,039 km (0.102 R)
• M22: 14,105,583 km (0.06 R)
• M23: 15,588,846 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.7

Radius: 11.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.91 AU - 3.27 AU

Year: 3749 Days

Day: 7.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 33,003,979 km

• M1: 147,653 km (0.115 R)
• M2: 571,763 km (0.111 R)
• M3: 950,694 km (0.089 R)
• M4: 1,995,037 km (0.103 R)
• M5: 2,871,382 km (0.055 R)
• M6: 3,443,743 km (0.076 R)
• M7: 4,008,625 km (0.053 R)
• M8: 5,176,386 km (0.106 R)
• M9: 7,366,947 km (0.088 R)
• M10: 8,375,386 km (0.103 R)
• M11: 9,037,656 km (0.045 R)
• M12: 9,584,885 km (0.079 R)
• M13: 12,216,162 km (0.053 R)
• M14: 14,249,796 km (0.12 R)
• M15: 15,968,825 km (0.116 R)
• M16: 19,333,281 km (0.112 R)
• M17: 20,058,681 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.7

Radius: 12.4

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.08 AU - 5.04 AU

Year: 5647 Days

Day: 11.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 33,003,979 km

• M1: 154,235 km (0.092 R)
• M2: 553,811 km (0.053 R)
• M3: 1,000,810 km (0.12 R)
• M4: 1,408,314 km (0.108 R)
• M5: 1,887,177 km (0.026 R)
• M6: 2,278,076 km (0.082 R)
• M7: 3,077,378 km (0.092 R)
• M8: 5,491,289 km (0.069 R)
• M9: 6,252,593 km (0.108 R)
• M10: 6,671,616 km (0.114 R)
• M11: 10,595,419 km (0.084 R)
• M12: 12,765,785 km (0.103 R)
• M13: 13,605,478 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.1

Radius: 14

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.23 AU - 4.43 AU

Year: 6219 Days

Day: 10.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,003,979 km

• M1: 174,132 km (0.115 R)
• M2: 791,971 km (0.082 R)
• M3: 1,229,844 km (0.114 R)
• M4: 1,783,655 km (0.101 R)
• M5: 2,228,260 km (0.062 R)
• M6: 3,028,310 km (0.111 R)
• M7: 3,873,388 km (0.042 R)
• M8: 5,145,120 km (0.097 R)
• M9: 5,606,479 km (0.085 R)
• M10: 6,126,930 km (0.094 R)
• M11: 7,124,449 km (0.043 R)
• M12: 7,810,654 km (0.062 R)
• M13: 9,189,947 km (0.065 R)
• M14: 9,698,580 km (0.085 R)
• M15: 10,865,443 km (0.09 R)
• M16: 12,736,763 km (0.081 R)
• M17: 14,246,953 km (0.059 R)
• M18: 16,669,840 km (0.086 R)
• M19: 18,608,629 km (0.113 R)
• M20: 20,765,680 km (0.055 R)
• M21: 25,655,137 km (0.093 R)
• M22: 27,967,621 km (0.108 R)
• M23: 29,401,816 km (0.053 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: 201 - 16,267 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit