🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 708

Radius: 10.9

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.64 AU - 0.84 AU

Year: 418 Days

Day: 5.1 Hours

Environment

Temp: -143 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,968,334 km

• M1: 135,536 km (0.042 R)
• M2: 545,733 km (0.095 R)
• M3: 886,966 km (0.059 R)
• M4: 1,253,032 km (0.073 R)
• M5: 1,601,296 km (0.112 R)
• M6: 1,983,069 km (0.115 R)
• M7: 2,416,454 km (0.116 R)
• M8: 3,141,256 km (0.062 R)
• M9: 3,622,363 km (0.109 R)
• M10: 3,978,855 km (0.081 R)
• M11: 5,255,822 km (0.085 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346

Radius: 9.1

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.85 AU - 1.11 AU

Year: 636 Days

Day: 9.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 45,968,334 km

• M1: 115,340 km (0.093 R)
• M2: 443,408 km (0.077 R)
• M3: 928,853 km (0.111 R)
• M4: 1,266,346 km (0.102 R)
• M5: 1,738,028 km (0.067 R)
• M6: 2,024,209 km (0.111 R)
• M7: 2,797,181 km (0.078 R)
• M8: 3,429,980 km (0.031 R)
• M9: 3,716,310 km (0.096 R)
• M10: 4,127,555 km (0.114 R)
• M11: 4,598,489 km (0.11 R)
• M12: 4,994,624 km (0.096 R)
• M13: 5,496,375 km (0.116 R)
• M14: 5,925,272 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 82.3

Radius: 8.3

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.06 AU - 1.32 AU

Year: 852 Days

Day: 5.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,968,334 km

• M1: 103,821 km (0.119 R)
• M2: 383,270 km (0.072 R)
• M3: 707,299 km (0.053 R)
• M4: 1,036,414 km (0.063 R)
• M5: 1,419,235 km (0.118 R)
• M6: 1,684,622 km (0.074 R)
• M7: 2,036,775 km (0.054 R)
• M8: 2,317,869 km (0.103 R)
• M9: 2,643,544 km (0.099 R)
• M10: 3,163,097 km (0.106 R)
• M11: 3,565,067 km (0.109 R)
• M12: 3,879,671 km (0.074 R)
• M13: 4,149,546 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 872.6

Radius: 10.9

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.54 AU - 1.92 AU

Year: 1493 Days

Day: 5.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,968,334 km

• M1: 135,685 km (0.106 R)
• M2: 558,748 km (0.054 R)
• M3: 968,646 km (0.117 R)
• M4: 1,707,809 km (0.068 R)
• M5: 2,172,460 km (0.101 R)
• M6: 2,748,262 km (0.106 R)
• M7: 3,233,408 km (0.042 R)
• M8: 4,395,634 km (0.084 R)
• M9: 5,817,263 km (0.062 R)
• M10: 6,419,544 km (0.094 R)
• M11: 7,469,272 km (0.059 R)
• M12: 8,538,747 km (0.059 R)
• M13: 9,674,644 km (0.071 R)
• M14: 10,074,818 km (0.074 R)
• M15: 10,837,319 km (0.114 R)
• M16: 11,787,415 km (0.085 R)
• M17: 13,315,706 km (0.066 R)
• M18: 14,021,659 km (0.077 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 199.6

Radius: 14.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 4.09 AU - 6.75 AU

Year: 8278 Days

Day: 8.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,968,334 km

• M1: 262,694 km (0.103 R)
• M2: 750,533 km (0.109 R)
• M3: 2,680,794 km (0.107 R)
• M4: 3,741,742 km (0.097 R)
• M5: 5,779,564 km (0.052 R)
• M6: 8,181,059 km (0.085 R)
• M7: 12,205,840 km (0.107 R)
• M8: 14,377,253 km (0.05 R)
• M9: 16,677,171 km (0.085 R)
• M10: 18,572,127 km (0.096 R)
• M11: 19,277,930 km (0.046 R)
• M12: 20,269,165 km (0.043 R)
• M13: 22,209,898 km (0.049 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.6

Radius: 4.7

Gravity: 12.79 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.08 AU - 8.76 AU

Year: 14622 Days

Day: 23.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,968,334 km

• M1: 76,295 km (0.101 R)
• M2: 502,050 km (0.1 R)
• M3: 1,534,725 km (0.118 R)
• M4: 1,723,367 km (0.095 R)
• M5: 2,077,914 km (0.117 R)
• M6: 2,254,440 km (0.086 R)
• M7: 4,498,109 km (0.105 R)
• M8: 6,439,590 km (0.113 R)
• M9: 6,854,724 km (0.103 R)
• M10: 8,382,866 km (0.06 R)
• M11: 8,650,497 km (0.096 R)
• M12: 14,493,939 km (0.069 R)
• M13: 16,699,311 km (0.106 R)
• M14: 18,213,391 km (0.09 R)
• M15: 21,017,753 km (0.075 R)
• M16: 22,181,923 km (0.103 R)
• M17: 26,404,174 km (0.033 R)
• M18: 26,690,504 km (0.082 R)
• M19: 26,978,929 km (0.104 R)
• M20: 30,814,469 km (0.117 R)
• M21: 33,082,522 km (0.074 R)
• M22: 34,087,670 km (0.073 R)
• M23: 34,998,123 km (0.084 R)
• M24: 37,826,570 km (0.1 R)
• M25: 40,803,567 km (0.053 R)
• M26: 44,067,045 km (0.095 R)
• M27: 44,335,274 km (0.05 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 16,483 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit