🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 155

Radius: 12.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.43 AU - 0.59 AU

Year: 256 Days

Day: 14.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 50,876,310 km

• M1: 150,495 km (0.113 R)
• M2: 1,133,353 km (0.032 R)
• M3: 1,949,111 km (0.118 R)
• M4: 2,515,787 km (0.066 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 11.7

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.22 AU - 1.86 AU

Year: 1343 Days

Day: 7.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,876,310 km

• M1: 145,559 km (0.107 R)
• M2: 537,056 km (0.104 R)
• M3: 1,130,062 km (0.113 R)
• M4: 2,895,616 km (0.058 R)
• M5: 3,589,152 km (0.116 R)
• M6: 3,975,863 km (0.089 R)
• M7: 5,091,564 km (0.083 R)
• M8: 6,618,359 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 8.7

Gravity: 12.5 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.6 AU - 2.32 AU

Year: 1929 Days

Day: 12.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,876,310 km

• M1: 108,758 km (0.075 R)
• M2: 398,379 km (0.096 R)
• M3: 699,520 km (0.118 R)
• M4: 1,034,768 km (0.106 R)
• M5: 1,754,633 km (0.108 R)
• M6: 2,362,150 km (0.108 R)
• M7: 2,835,628 km (0.073 R)
• M8: 3,119,714 km (0.109 R)
• M9: 3,972,272 km (0.096 R)
• M10: 4,579,191 km (0.099 R)
• M11: 5,458,976 km (0.093 R)
• M12: 6,157,149 km (0.079 R)
• M13: 6,829,741 km (0.039 R)
• M14: 7,640,113 km (0.059 R)
• M15: 10,680,839 km (0.113 R)
• M16: 11,023,568 km (0.113 R)
• M17: 12,552,009 km (0.079 R)
• M18: 13,809,978 km (0.105 R)
• M19: 14,912,963 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.8

Radius: 11.7

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.36 AU - 2.54 AU

Year: 2696 Days

Day: 6.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,876,310 km

• M1: 149,897 km (0.104 R)
• M2: 585,077 km (0.108 R)
• M3: 1,020,108 km (0.097 R)
• M4: 1,411,157 km (0.108 R)
• M5: 1,881,792 km (0.095 R)
• M6: 2,525,661 km (0.109 R)
• M7: 4,563,333 km (0.098 R)
• M8: 5,044,141 km (0.06 R)
• M9: 6,422,386 km (0.07 R)
• M10: 7,344,358 km (0.117 R)
• M11: 7,761,287 km (0.063 R)
• M12: 8,352,498 km (0.044 R)
• M13: 12,177,267 km (0.086 R)
• M14: 12,890,699 km (0.079 R)
• M15: 13,279,504 km (0.08 R)
• M16: 14,493,191 km (0.1 R)
• M17: 15,246,417 km (0.099 R)
• M18: 15,730,515 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.2

Radius: 11.9

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.16 AU - 3.32 AU

Year: 3188 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,876,310 km

• M1: 148,401 km (0.082 R)
• M2: 552,166 km (0.082 R)
• M3: 1,060,948 km (0.043 R)
• M4: 1,601,146 km (0.083 R)
• M5: 2,268,502 km (0.107 R)
• M6: 3,313,294 km (0.114 R)
• M7: 4,590,710 km (0.07 R)
• M8: 7,630,688 km (0.108 R)
• M9: 8,602,775 km (0.069 R)
• M10: 9,480,316 km (0.104 R)
• M11: 9,940,928 km (0.077 R)
• M12: 12,098,578 km (0.09 R)
• M13: 12,641,170 km (0.095 R)
• M14: 13,156,235 km (0.096 R)
• M15: 13,774,972 km (0.065 R)
• M16: 14,274,479 km (0.087 R)
• M17: 15,994,705 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.9

Radius: 11

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.9 AU - 3.24 AU

Year: 3781 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,876,310 km

• M1: 136,732 km (0.105 R)
• M2: 621,579 km (0.093 R)
• M3: 1,449,005 km (0.099 R)
• M4: 2,093,622 km (0.083 R)
• M5: 2,618,262 km (0.115 R)
• M6: 3,176,412 km (0.12 R)
• M7: 4,035,702 km (0.065 R)
• M8: 4,576,498 km (0.102 R)
• M9: 5,091,863 km (0.054 R)
• M10: 5,619,794 km (0.047 R)
• M11: 5,991,694 km (0.114 R)
• M12: 6,379,900 km (0.03 R)
• M13: 7,238,293 km (0.063 R)
• M14: 7,711,621 km (0.074 R)
• M15: 9,739,121 km (0.114 R)
• M16: 10,434,900 km (0.106 R)
• M17: 12,231,122 km (0.116 R)
• M18: 13,087,271 km (0.109 R)
• M19: 14,079,404 km (0.057 R)
• M20: 15,070,190 km (0.111 R)
• M21: 15,686,683 km (0.097 R)
• M22: 17,920,479 km (0.11 R)
• M23: 18,788,296 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 473.1

Radius: 6.8

Gravity: 10.23 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 5.83 AU - 8.27 AU

Year: 13158 Days

Day: 23.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,876,310 km

• M1: 84,672 km (0.12 R)
• M2: 343,028 km (0.115 R)
• M3: 702,512 km (0.082 R)
• M4: 1,285,345 km (0.097 R)
• M5: 1,860,549 km (0.108 R)
• M6: 2,080,906 km (0.117 R)
• M7: 3,359,669 km (0.058 R)
• M8: 3,928,889 km (0.048 R)
• M9: 4,682,114 km (0.117 R)
• M10: 5,158,583 km (0.093 R)
• M11: 5,597,055 km (0.027 R)
• M12: 5,987,356 km (0.045 R)
• M13: 6,664,884 km (0.114 R)
• M14: 13,151,149 km (0.114 R)
• M15: 15,088,890 km (0.116 R)
• M16: 19,600,762 km (0.034 R)
• M17: 20,252,261 km (0.095 R)
• M18: 21,341,333 km (0.11 R)
• M19: 26,580,550 km (0.11 R)
• M20: 28,192,018 km (0.072 R)
• M21: 31,167,071 km (0.107 R)
• M22: 37,607,708 km (0.106 R)
• M23: 38,233,775 km (0.071 R)
• M24: 40,153,564 km (0.074 R)
• M25: 42,812,218 km (0.103 R)
• M26: 43,357,652 km (0.117 R)
• M27: 45,727,731 km (0.099 R)
• M28: 46,011,967 km (0.045 R)
• M29: 46,584,328 km (0.07 R)
• M30: 47,451,697 km (0.095 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 13,785 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit