🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760.5

Radius: 12.6

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.53 AU - 0.85 AU

Year: 364 Days

Day: 9.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,102,389 km

• M1: 156,779 km (0.064 R)
• M2: 626,815 km (0.116 R)
• M3: 1,033,572 km (0.087 R)
• M4: 1,859,801 km (0.104 R)
• M5: 2,374,268 km (0.102 R)
• M6: 2,849,391 km (0.108 R)
• M7: 4,110,351 km (0.053 R)
• M8: 4,844,877 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 358.9

Radius: 13.4

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.87 AU - 1.25 AU

Year: 694 Days

Day: 10.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,102,389 km

• M1: 166,652 km (0.071 R)
• M2: 592,108 km (0.113 R)
• M3: 1,319,603 km (0.119 R)
• M4: 1,741,469 km (0.088 R)
• M5: 3,069,449 km (0.095 R)
• M6: 3,921,858 km (0.083 R)
• M7: 4,989,837 km (0.09 R)
• M8: 5,414,246 km (0.108 R)
• M9: 5,934,099 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.4

Radius: 12.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.85 AU - 2.23 AU

Year: 1853 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,102,389 km

• M1: 163,810 km (0.107 R)
• M2: 666,907 km (0.048 R)
• M3: 1,081,144 km (0.108 R)
• M4: 1,880,595 km (0.102 R)
• M5: 2,346,143 km (0.045 R)
• M6: 2,847,296 km (0.09 R)
• M7: 3,388,541 km (0.075 R)
• M8: 4,375,738 km (0.074 R)
• M9: 5,267,042 km (0.114 R)
• M10: 5,678,137 km (0.107 R)
• M11: 7,733,312 km (0.082 R)
• M12: 8,615,341 km (0.117 R)
• M13: 9,626,623 km (0.069 R)
• M14: 10,647,479 km (0.078 R)
• M15: 11,666,390 km (0.104 R)
• M16: 12,519,846 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 594

Radius: 10.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.1 AU - 6.46 AU

Year: 7714 Days

Day: 13.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,102,389 km

• M1: 129,402 km (0.079 R)
• M2: 607,816 km (0.088 R)
• M3: 1,044,642 km (0.081 R)
• M4: 1,675,496 km (0.037 R)
• M5: 2,231,851 km (0.093 R)
• M6: 3,415,619 km (0.103 R)
• M7: 4,006,829 km (0.114 R)
• M8: 4,720,561 km (0.054 R)
• M9: 5,455,086 km (0.077 R)
• M10: 6,504,366 km (0.101 R)
• M11: 7,451,769 km (0.089 R)
• M12: 8,200,656 km (0.118 R)
• M13: 8,656,630 km (0.054 R)
• M14: 9,619,442 km (0.106 R)
• M15: 10,507,156 km (0.109 R)
• M16: 11,705,285 km (0.077 R)
• M17: 12,177,416 km (0.073 R)
• M18: 13,555,661 km (0.084 R)
• M19: 17,486,346 km (0.115 R)
• M20: 20,643,758 km (0.094 R)
• M21: 21,025,083 km (0.093 R)
• M22: 23,002,617 km (0.114 R)
• M23: 26,959,930 km (0.113 R)
• M24: 29,194,772 km (0.069 R)
• M25: 30,357,148 km (0.109 R)
• M26: 30,949,855 km (0.114 R)
• M27: 31,954,853 km (0.05 R)
• M28: 33,502,892 km (0.1 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.8

Radius: 6.3

Gravity: 9.37 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.04 AU - 7.8 AU

Year: 11574 Days

Day: 24.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 43,102,389 km

• M1: 78,389 km (0.052 R)
• M2: 282,291 km (0.088 R)
• M3: 494,122 km (0.094 R)
• M4: 973,134 km (0.107 R)
• M5: 1,360,144 km (0.101 R)
• M6: 1,695,841 km (0.085 R)
• M7: 2,119,353 km (0.044 R)
• M8: 2,552,738 km (0.116 R)
• M9: 3,000,484 km (0.057 R)
• M10: 3,381,061 km (0.115 R)
• M11: 4,631,251 km (0.083 R)
• M12: 5,140,033 km (0.11 R)
• M13: 5,521,209 km (0.093 R)
• M14: 5,955,042 km (0.12 R)
• M15: 6,197,989 km (0.03 R)
• M16: 12,845,371 km (0.106 R)
• M17: 14,583,997 km (0.107 R)
• M18: 16,070,102 km (0.098 R)
• M19: 16,271,162 km (0.084 R)
• M20: 16,953,328 km (0.109 R)
• M21: 19,264,615 km (0.056 R)
• M22: 19,873,628 km (0.064 R)
• M23: 20,811,158 km (0.082 R)
• M24: 21,210,435 km (0.092 R)
• M25: 24,236,949 km (0.095 R)
• M26: 25,670,097 km (0.109 R)
• M27: 30,306,883 km (0.086 R)
• M28: 36,502,030 km (0.114 R)
• M29: 37,669,492 km (0.112 R)
• M30: 38,024,488 km (0.077 R)
• M31: 38,262,348 km (0.08 R)
• M32: 41,446,240 km (0.114 R)
• M33: 42,332,607 km (0.039 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 421 - 17,850 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit