🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.1

Radius: 12.8

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 9.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 139 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,753,371 km

• M1: 159,172 km (0.068 R)
• M2: 649,105 km (0.031 R)
• M3: 1,085,931 km (0.058 R)
• M4: 1,518,418 km (0.117 R)
• M5: 2,052,782 km (0.094 R)
• M6: 3,045,214 km (0.099 R)
• M7: 3,644,803 km (0.094 R)
• M8: 4,282,987 km (0.114 R)
• M9: 4,698,271 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.4

Radius: 13.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.71 AU - 2.57 AU

Year: 2161 Days

Day: 13 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,753,371 km

• M1: 167,849 km (0.114 R)
• M2: 605,423 km (0.097 R)
• M3: 1,374,954 km (0.096 R)
• M4: 1,843,495 km (0.081 R)
• M5: 3,084,110 km (0.108 R)
• M6: 7,662,702 km (0.1 R)
• M7: 10,018,869 km (0.119 R)
• M8: 11,070,242 km (0.082 R)
• M9: 12,271,214 km (0.061 R)
• M10: 12,863,323 km (0.106 R)
• M11: 14,579,509 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 13.2

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.83 AU - 4.91 AU

Year: 6306 Days

Day: 11 Hours

Environment

Temp: -213 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 62,753,371 km

• M1: 186,399 km (0.052 R)
• M2: 640,578 km (0.072 R)
• M3: 1,809,685 km (0.026 R)
• M4: 2,625,143 km (0.115 R)
• M5: 3,800,833 km (0.053 R)
• M6: 4,932,242 km (0.114 R)
• M7: 5,632,809 km (0.086 R)
• M8: 6,307,196 km (0.078 R)
• M9: 7,200,146 km (0.097 R)
• M10: 10,518,226 km (0.096 R)
• M11: 11,179,000 km (0.078 R)
• M12: 14,906,530 km (0.109 R)
• M13: 15,911,379 km (0.094 R)
• M14: 17,381,328 km (0.109 R)
• M15: 18,368,375 km (0.095 R)
• M16: 19,068,493 km (0.071 R)
• M17: 23,500,330 km (0.119 R)
• M18: 24,783,879 km (0.095 R)
• M19: 25,954,782 km (0.091 R)

Planet 4 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 347

Radius: 7.4

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 7.57 AU - 11.95 AU

Year: 21047 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,753,371 km

• M1: 92,451 km (0.052 R)
• M2: 463,604 km (0.071 R)
• M3: 706,102 km (0.113 R)
• M4: 1,423,873 km (0.042 R)
• M5: 1,800,859 km (0.08 R)
• M6: 2,642,796 km (0.084 R)
• M7: 4,379,178 km (0.061 R)
• M8: 5,429,804 km (0.096 R)
• M9: 5,840,151 km (0.059 R)
• M10: 6,892,722 km (0.086 R)
• M11: 7,646,097 km (0.091 R)
• M12: 8,162,060 km (0.114 R)
• M13: 9,004,745 km (0.113 R)
• M14: 9,473,734 km (0.065 R)
• M15: 11,214,754 km (0.097 R)
• M16: 12,830,860 km (0.092 R)
• M17: 13,092,656 km (0.102 R)
• M18: 14,175,595 km (0.116 R)
• M19: 14,667,622 km (0.105 R)
• M20: 15,910,033 km (0.073 R)
• M21: 21,677,180 km (0.111 R)
• M22: 22,519,267 km (0.107 R)
• M23: 26,002,055 km (0.12 R)
• M24: 26,845,787 km (0.064 R)
• M25: 28,366,000 km (0.059 R)
• M26: 31,695,750 km (0.105 R)
• M27: 33,269,669 km (0.1 R)
• M28: 37,631,045 km (0.112 R)
• M29: 62,378,123 km (0.031 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 401 - 11,675 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit