🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.9

Radius: 14.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.4 AU - 0.64 AU

Year: 250 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,559,139 km

• M1: 176,825 km (0.103 R)
• M2: 627,114 km (0.069 R)
• M3: 1,086,829 km (0.105 R)
• M4: 1,618,350 km (0.105 R)
• M5: 2,183,231 km (0.115 R)
• M6: 2,706,375 km (0.079 R)
• M7: 3,184,939 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746.4

Radius: 9.4

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 7.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,559,139 km

• M1: 116,836 km (0.08 R)
• M2: 479,910 km (0.086 R)
• M3: 796,160 km (0.072 R)
• M4: 1,149,959 km (0.118 R)
• M5: 1,622,539 km (0.04 R)
• M6: 1,920,089 km (0.097 R)
• M7: 2,254,290 km (0.101 R)
• M8: 2,929,426 km (0.059 R)
• M9: 3,977,658 km (0.107 R)
• M10: 4,580,687 km (0.098 R)
• M11: 4,918,778 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 12.8

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.61 AU - 0.69 AU

Year: 349 Days

Day: 12.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,559,139 km

• M1: 159,172 km (0.08 R)
• M2: 621,280 km (0.039 R)
• M3: 1,197,232 km (0.112 R)
• M4: 1,858,903 km (0.039 R)
• M5: 2,266,557 km (0.1 R)
• M6: 2,675,259 km (0.094 R)
• M7: 3,256,297 km (0.099 R)
• M8: 3,831,201 km (0.117 R)
• M9: 4,430,939 km (0.109 R)
• M10: 4,835,153 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.2

Radius: 13.3

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.71 AU - 1.07 AU

Year: 560 Days

Day: 5.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 15,559,139 km

• M1: 165,455 km (0.115 R)
• M2: 663,018 km (0.111 R)
• M3: 1,389,016 km (0.116 R)
• M4: 2,351,978 km (0.053 R)
• M5: 3,289,657 km (0.119 R)
• M6: 3,901,363 km (0.099 R)
• M7: 5,078,399 km (0.099 R)
• M8: 5,549,632 km (0.114 R)
• M9: 6,400,395 km (0.04 R)
• M10: 7,099,317 km (0.066 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.7

Radius: 10.5

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.83 AU - 1.38 AU

Year: 769 Days

Day: 7.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 15,559,139 km

• M1: 130,599 km (0.077 R)
• M2: 520,301 km (0.025 R)
• M3: 1,064,538 km (0.051 R)
• M4: 1,756,728 km (0.054 R)
• M5: 2,319,515 km (0.03 R)
• M6: 2,873,027 km (0.081 R)
• M7: 3,512,857 km (0.104 R)
• M8: 4,053,205 km (0.083 R)
• M9: 4,527,879 km (0.088 R)
• M10: 4,894,693 km (0.112 R)
• M11: 5,589,425 km (0.096 R)
• M12: 6,478,186 km (0.11 R)
• M13: 6,945,081 km (0.094 R)
• M14: 7,434,416 km (0.068 R)
• M15: 8,072,002 km (0.062 R)
• M16: 8,482,349 km (0.117 R)
• M17: 8,825,826 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 12

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.05 AU - 3.73 AU

Year: 4162 Days

Day: 12.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 137.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 15,559,139 km

• M1: 149,897 km (0.12 R)
• M2: 529,277 km (0.095 R)
• M3: 1,233,584 km (0.077 R)
• M4: 3,287,114 km (0.057 R)
• M5: 4,129,051 km (0.084 R)
• M6: 5,290,977 km (0.084 R)
• M7: 6,010,842 km (0.119 R)
• M8: 7,268,811 km (0.073 R)
• M9: 10,444,923 km (0.099 R)
• M10: 11,077,423 km (0.102 R)
• M11: 15,950,424 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.8

Radius: 14.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3.04 AU - 3.74 AU

Year: 4162 Days

Day: 14.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 15,559,139 km

• M1: 185,053 km (0.033 R)
• M2: 683,064 km (0.098 R)
• M3: 1,500,018 km (0.049 R)
• M4: 2,822,014 km (0.061 R)
• M5: 3,866,955 km (0.119 R)
• M6: 4,892,000 km (0.079 R)
• M7: 5,928,264 km (0.115 R)
• M8: 6,658,452 km (0.119 R)
• M9: 7,931,230 km (0.111 R)
• M10: 9,471,939 km (0.072 R)
• M11: 10,079,157 km (0.094 R)
• M12: 10,793,187 km (0.105 R)
• M13: 11,797,587 km (0.113 R)
• M14: 12,322,825 km (0.107 R)
• M15: 12,909,249 km (0.087 R)
• M16: 13,609,217 km (0.065 R)
• M17: 14,831,881 km (0.071 R)
• M18: 15,809,204 km (0.112 R)
• M19: 16,287,019 km (0.086 R)
• M20: 17,271,523 km (0.09 R)

Asteroid Belt

Center: 3.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 554.3

Radius: 8

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 3.44 AU - 4.74 AU

Year: 5516 Days

Day: 6.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 15,559,139 km

• M1: 99,483 km (0.096 R)
• M2: 380,727 km (0.026 R)
• M3: 682,316 km (0.076 R)
• M4: 1,026,541 km (0.116 R)
• M5: 1,703,920 km (0.049 R)
• M6: 2,015,831 km (0.065 R)
• M7: 2,447,122 km (0.117 R)
• M8: 2,901,451 km (0.107 R)
• M9: 3,579,279 km (0.115 R)
• M10: 3,864,861 km (0.109 R)
• M11: 4,432,286 km (0.109 R)
• M12: 6,470,557 km (0.059 R)
• M13: 9,064,733 km (0.118 R)
• M14: 9,349,119 km (0.054 R)
• M15: 10,064,646 km (0.118 R)
• M16: 11,415,664 km (0.118 R)
• M17: 12,480,502 km (0.093 R)
• M18: 14,583,698 km (0.095 R)
• M19: 15,603,208 km (0.105 R)
• M20: 17,657,037 km (0.071 R)
• M21: 18,683,278 km (0.047 R)
• M22: 19,078,216 km (0.079 R)
• M23: 21,854,903 km (0.088 R)
• M24: 22,962,076 km (0.049 R)
• M25: 23,491,354 km (0.045 R)
• M26: 24,417,664 km (0.096 R)
• M27: 25,529,026 km (0.077 R)
• M28: 28,108,842 km (0.094 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 55.2

Radius: 12.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 3.74 AU - 5.4 AU

Year: 6515 Days

Day: 12.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 59.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 15,559,139 km

• M1: 159,322 km (0.077 R)
• M2: 1,035,666 km (0.054 R)
• M3: 1,695,393 km (0.065 R)
• M4: 3,550,556 km (0.105 R)
• M5: 9,649,212 km (0.068 R)
• M6: 12,505,784 km (0.095 R)
• M7: 13,072,610 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 14,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit