🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 8.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.69 AU - 0.75 AU

Year: 414 Days

Day: 10.5 Hours

Environment

Temp: -150 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 36,208,480 km

• M1: 110,702 km (0.107 R)
• M2: 409,449 km (0.025 R)
• M3: 752,328 km (0.093 R)
• M4: 1,048,831 km (0.088 R)
• M5: 1,424,770 km (0.086 R)
• M6: 1,702,723 km (0.034 R)
• M7: 2,116,511 km (0.104 R)
• M8: 2,567,399 km (0.115 R)
• M9: 2,857,469 km (0.081 R)
• M10: 3,588,853 km (0.05 R)
• M11: 4,411,492 km (0.056 R)
• M12: 4,770,975 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 13.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.7 AU - 1.08 AU

Year: 569 Days

Day: 14.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,208,480 km

• M1: 171,589 km (0.095 R)
• M2: 622,178 km (0.117 R)
• M3: 1,069,176 km (0.105 R)
• M4: 1,671,158 km (0.109 R)
• M5: 2,383,692 km (0.03 R)
• M6: 3,122,556 km (0.119 R)
• M7: 4,308,568 km (0.114 R)
• M8: 5,280,506 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 8.4

Gravity: 12.66 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.74 AU - 1.04 AU

Year: 569 Days

Day: 8.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 36,208,480 km

• M1: 104,719 km (0.113 R)
• M2: 394,490 km (0.106 R)
• M3: 873,203 km (0.105 R)
• M4: 1,136,794 km (0.114 R)
• M5: 1,418,786 km (0.051 R)
• M6: 2,572,934 km (0.102 R)
• M7: 3,369,243 km (0.089 R)
• M8: 3,663,801 km (0.105 R)
• M9: 3,932,030 km (0.112 R)
• M10: 4,274,310 km (0.092 R)
• M11: 4,750,780 km (0.106 R)
• M12: 5,923,776 km (0.088 R)
• M13: 6,215,343 km (0.1 R)
• M14: 7,083,160 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.5

Radius: 14.1

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.74 AU - 3.92 AU

Year: 5084 Days

Day: 10.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,208,480 km

• M1: 175,478 km (0.057 R)
• M2: 776,712 km (0.109 R)
• M3: 1,321,548 km (0.071 R)
• M4: 1,807,292 km (0.1 R)
• M5: 2,303,807 km (0.117 R)
• M6: 3,352,638 km (0.044 R)
• M7: 3,997,704 km (0.092 R)
• M8: 6,412,513 km (0.095 R)
• M9: 7,067,452 km (0.094 R)
• M10: 7,839,078 km (0.092 R)
• M11: 8,283,234 km (0.11 R)
• M12: 10,101,297 km (0.096 R)
• M13: 11,081,313 km (0.081 R)
• M14: 13,386,765 km (0.117 R)
• M15: 14,513,985 km (0.04 R)
• M16: 15,185,979 km (0.068 R)
• M17: 15,878,767 km (0.109 R)
• M18: 18,994,442 km (0.109 R)
• M19: 19,528,207 km (0.087 R)
• M20: 21,048,271 km (0.05 R)
• M21: 23,019,821 km (0.085 R)
• M22: 24,557,538 km (0.114 R)
• M23: 25,032,062 km (0.091 R)
• M24: 29,051,159 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.7

Radius: 13.1

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.72 AU - 4.84 AU

Year: 6006 Days

Day: 11.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,208,480 km

• M1: 163,062 km (0.066 R)
• M2: 628,461 km (0.107 R)
• M3: 1,057,208 km (0.113 R)
• M4: 1,788,443 km (0.096 R)
• M5: 2,883,948 km (0.106 R)
• M6: 4,121,421 km (0.087 R)
• M7: 4,927,754 km (0.06 R)
• M8: 5,587,331 km (0.073 R)
• M9: 6,494,044 km (0.107 R)
• M10: 7,496,499 km (0.077 R)
• M11: 9,035,861 km (0.117 R)
• M12: 10,700,137 km (0.098 R)
• M13: 11,767,518 km (0.108 R)
• M14: 13,522,600 km (0.076 R)
• M15: 15,299,673 km (0.108 R)
• M16: 16,193,670 km (0.11 R)
• M17: 17,227,691 km (0.084 R)
• M18: 18,086,083 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 75.1

Radius: 4.1

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 8.15 AU - 10.83 AU

Year: 19829 Days

Day: 22.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 36,208,480 km

• M1: 51,013 km (0.093 R)
• M2: 323,281 km (0.111 R)
• M3: 1,056,759 km (0.113 R)
• M4: 1,315,264 km (0.106 R)
• M5: 1,852,919 km (0.112 R)
• M6: 2,435,154 km (0.097 R)
• M7: 3,616,529 km (0.109 R)
• M8: 3,757,300 km (0.107 R)
• M9: 8,751,924 km (0.117 R)
• M10: 11,723,686 km (0.073 R)
• M11: 12,347,060 km (0.05 R)
• M12: 14,822,007 km (0.067 R)
• M13: 15,366,095 km (0.044 R)
• M14: 16,238,550 km (0.033 R)
• M15: 16,881,671 km (0.085 R)
• M16: 19,337,769 km (0.1 R)
• M17: 32,341,713 km (0.11 R)
• M18: 34,290,974 km (0.088 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 382 - 15,807 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit