🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.7

Radius: 10.4

Gravity: 7.99 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.64 AU - 0.72 AU

Year: 374 Days

Day: 13.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,545,714 km

• M1: 129,402 km (0.102 R)
• M2: 467,942 km (0.097 R)
• M3: 795,561 km (0.109 R)
• M4: 1,211,593 km (0.086 R)
• M5: 1,620,893 km (0.064 R)
• M6: 2,234,394 km (0.084 R)
• M7: 2,615,420 km (0.087 R)
• M8: 3,195,261 km (0.098 R)
• M9: 3,694,020 km (0.112 R)
• M10: 4,041,686 km (0.067 R)
• M11: 4,743,748 km (0.108 R)
• M12: 5,250,436 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 13.8

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.26 AU - 1.58 AU

Year: 1128 Days

Day: 8.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 25,545,714 km

• M1: 171,589 km (0.104 R)
• M2: 654,790 km (0.102 R)
• M3: 1,205,609 km (0.115 R)
• M4: 2,285,855 km (0.076 R)
• M5: 3,536,643 km (0.118 R)
• M6: 4,174,229 km (0.085 R)
• M7: 4,697,224 km (0.079 R)
• M8: 9,106,471 km (0.12 R)
• M9: 10,865,742 km (0.067 R)
• M10: 11,373,328 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.1

Radius: 14.1

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 1.41 AU - 2.03 AU

Year: 1504 Days

Day: 11.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,545,714 km

• M1: 180,116 km (0.078 R)
• M2: 691,741 km (0.119 R)
• M3: 1,671,307 km (0.118 R)
• M4: 2,383,543 km (0.09 R)
• M5: 3,034,144 km (0.055 R)
• M6: 5,278,411 km (0.116 R)
• M7: 6,004,260 km (0.115 R)
• M8: 11,394,271 km (0.052 R)
• M9: 12,067,163 km (0.106 R)
• M10: 12,687,545 km (0.068 R)
• M11: 13,207,098 km (0.029 R)
• M12: 13,824,339 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414

Radius: 11

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.46 AU - 2.14 AU

Year: 1610 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,545,714 km

• M1: 137,630 km (0.11 R)
• M2: 562,937 km (0.111 R)
• M3: 912,996 km (0.088 R)
• M4: 1,321,548 km (0.065 R)
• M5: 1,872,517 km (0.037 R)
• M6: 2,438,744 km (0.091 R)
• M7: 3,438,806 km (0.114 R)
• M8: 3,898,670 km (0.081 R)
• M9: 4,731,182 km (0.061 R)
• M10: 6,532,939 km (0.041 R)
• M11: 10,304,451 km (0.105 R)
• M12: 11,539,232 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.5

Radius: 10.8

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.59 AU - 2.37 AU

Year: 1858 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 25,545,714 km

• M1: 137,181 km (0.037 R)
• M2: 481,107 km (0.116 R)
• M3: 1,139,038 km (0.115 R)
• M4: 1,664,426 km (0.113 R)
• M5: 2,563,958 km (0.117 R)
• M6: 3,160,704 km (0.049 R)
• M7: 4,227,337 km (0.077 R)
• M8: 5,885,629 km (0.066 R)
• M9: 6,391,419 km (0.054 R)
• M10: 6,796,082 km (0.1 R)
• M11: 7,601,217 km (0.1 R)
• M12: 8,741,303 km (0.056 R)
• M13: 9,726,255 km (0.109 R)
• M14: 10,331,079 km (0.089 R)
• M15: 12,805,727 km (0.108 R)
• M16: 14,287,045 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 13.7

Radius: 12.7

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 2.6 AU - 3.88 AU

Year: 3889 Days

Day: 13.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 25,545,714 km

• M1: 198,068 km (0.106 R)
• M2: 638,633 km (0.078 R)
• M3: 1,201,121 km (0.043 R)
• M4: 1,733,690 km (0.106 R)
• M5: 2,793,291 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.6

Radius: 9.7

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 3.41 AU - 3.91 AU

Year: 4669 Days

Day: 5.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 25,545,714 km

• M1: 121,025 km (0.102 R)
• M2: 480,957 km (0.069 R)
• M3: 793,467 km (0.109 R)
• M4: 1,357,002 km (0.088 R)
• M5: 1,990,848 km (0.119 R)
• M6: 3,167,137 km (0.067 R)
• M7: 4,079,833 km (0.09 R)
• M8: 4,657,879 km (0.069 R)
• M9: 5,158,733 km (0.092 R)
• M10: 6,447,818 km (0.117 R)
• M11: 9,220,614 km (0.101 R)
• M12: 9,570,973 km (0.098 R)
• M13: 10,216,039 km (0.11 R)
• M14: 11,414,318 km (0.067 R)
• M15: 12,325,967 km (0.103 R)
• M16: 13,532,773 km (0.098 R)
• M17: 17,211,983 km (0.12 R)
• M18: 17,684,413 km (0.05 R)
• M19: 18,717,386 km (0.05 R)
• M20: 19,534,041 km (0.114 R)
• M21: 22,544,848 km (0.054 R)
• M22: 23,469,213 km (0.084 R)
• M23: 24,790,611 km (0.108 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: 550 - 14,131 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit