🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916

Radius: 15

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.46 AU - 0.72 AU

Year: 302 Days

Day: 12.3 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 80,999,132 km

• M1: 188,643 km (0.043 R)
• M2: 657,782 km (0.058 R)
• M3: 1,426,864 km (0.103 R)
• M4: 1,938,639 km (0.07 R)
• M5: 3,071,095 km (0.113 R)
• M6: 3,551,005 km (0.078 R)
• M7: 4,678,524 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.1

Radius: 14.3

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.85 AU - 1.31 AU

Year: 748 Days

Day: 14.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 122.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,999,132 km

• M1: 177,872 km (0.117 R)
• M2: 639,082 km (0.108 R)
• M3: 1,101,938 km (0.092 R)
• M4: 1,950,607 km (0.076 R)
• M5: 2,722,232 km (0.066 R)
• M6: 3,327,805 km (0.102 R)
• M7: 3,895,529 km (0.079 R)
• M8: 4,637,085 km (0.082 R)
• M9: 5,453,590 km (0.073 R)
• M10: 5,980,773 km (0.107 R)
• M11: 6,949,419 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 121.6

Radius: 10.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.09 AU - 1.33 AU

Year: 888 Days

Day: 12.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,999,132 km

• M1: 135,536 km (0.05 R)
• M2: 474,973 km (0.119 R)
• M3: 861,684 km (0.11 R)
• M4: 1,362,687 km (0.095 R)
• M5: 2,438,146 km (0.078 R)
• M6: 2,830,691 km (0.07 R)
• M7: 3,611,741 km (0.114 R)
• M8: 4,918,778 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.5

Radius: 8.1

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.62 AU - 1.92 AU

Year: 1570 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,999,132 km

• M1: 100,979 km (0.098 R)
• M2: 443,408 km (0.045 R)
• M3: 736,022 km (0.076 R)
• M4: 990,637 km (0.063 R)
• M5: 1,246,150 km (0.097 R)
• M6: 1,589,328 km (0.117 R)
• M7: 1,904,680 km (0.042 R)
• M8: 2,340,608 km (0.101 R)
• M9: 2,675,558 km (0.114 R)
• M10: 3,686,241 km (0.094 R)
• M11: 4,725,348 km (0.09 R)
• M12: 5,027,685 km (0.078 R)
• M13: 6,904,241 km (0.091 R)
• M14: 7,344,059 km (0.113 R)
• M15: 7,959,504 km (0.11 R)
• M16: 9,410,454 km (0.072 R)
• M17: 9,678,384 km (0.106 R)
• M18: 10,704,924 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.5

Radius: 11.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.39 AU - 3.07 AU

Year: 3008 Days

Day: 12.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,999,132 km

• M1: 145,559 km (0.113 R)
• M2: 564,433 km (0.059 R)
• M3: 1,051,523 km (0.106 R)
• M4: 1,690,157 km (0.07 R)
• M5: 3,377,621 km (0.118 R)
• M6: 3,912,284 km (0.055 R)
• M7: 4,734,025 km (0.114 R)
• M8: 6,425,079 km (0.031 R)
• M9: 6,966,922 km (0.068 R)
• M10: 7,422,149 km (0.113 R)
• M11: 7,867,053 km (0.092 R)
• M12: 8,455,870 km (0.062 R)
• M13: 10,733,198 km (0.114 R)
• M14: 11,225,974 km (0.112 R)
• M15: 11,892,881 km (0.095 R)
• M16: 14,597,611 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973.2

Radius: 10.4

Gravity: 9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.63 AU - 3.99 AU

Year: 4016 Days

Day: 13.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 80,999,132 km

• M1: 135,984 km (0.118 R)
• M2: 493,972 km (0.032 R)
• M3: 871,408 km (0.062 R)
• M4: 1,632,562 km (0.048 R)
• M5: 2,246,810 km (0.106 R)
• M6: 2,772,647 km (0.05 R)
• M7: 3,219,496 km (0.099 R)
• M8: 3,607,104 km (0.106 R)
• M9: 4,575,900 km (0.108 R)
• M10: 5,480,518 km (0.115 R)
• M11: 5,856,308 km (0.096 R)
• M12: 7,748,422 km (0.084 R)
• M13: 8,410,542 km (0.11 R)
• M14: 8,755,515 km (0.081 R)
• M15: 9,639,040 km (0.118 R)
• M16: 10,017,073 km (0.119 R)
• M17: 10,536,627 km (0.03 R)
• M18: 11,395,917 km (0.092 R)
• M19: 12,696,521 km (0.06 R)
• M20: 14,093,615 km (0.101 R)
• M21: 15,995,453 km (0.107 R)
• M22: 17,190,890 km (0.093 R)
• M23: 17,999,167 km (0.107 R)
• M24: 19,758,887 km (0.106 R)
• M25: 22,719,877 km (0.109 R)
• M26: 23,390,824 km (0.104 R)
• M27: 25,086,665 km (0.045 R)
• M28: 25,643,020 km (0.09 R)
• M29: 27,781,821 km (0.117 R)
• M30: 28,377,370 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.8

Radius: 12.9

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.96 AU - 5.12 AU

Year: 6451 Days

Day: 5.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 80,999,132 km

• M1: 160,519 km (0.117 R)
• M2: 724,802 km (0.084 R)
• M3: 1,529,339 km (0.094 R)
• M4: 2,208,065 km (0.075 R)
• M5: 2,689,171 km (0.115 R)
• M6: 4,028,671 km (0.116 R)
• M7: 5,078,549 km (0.049 R)
• M8: 9,204,308 km (0.049 R)
• M9: 9,842,044 km (0.086 R)
• M10: 10,830,437 km (0.052 R)
• M11: 12,082,571 km (0.1 R)
• M12: 12,589,110 km (0.104 R)
• M13: 13,590,817 km (0.08 R)
• M14: 14,644,734 km (0.06 R)
• M15: 15,932,323 km (0.06 R)
• M16: 20,532,757 km (0.055 R)
• M17: 26,034,069 km (0.118 R)
• M18: 27,920,199 km (0.112 R)
• M19: 28,450,074 km (0.113 R)
• M20: 31,106,334 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 723.6

Radius: 6.7

Gravity: 16.12 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.44 AU - 10.74 AU

Year: 21373 Days

Day: 21.6 Hours

Environment

Temp: -243 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,999,132 km

• M1: 83,326 km (0.085 R)
• M2: 790,625 km (0.085 R)
• M3: 1,146,967 km (0.106 R)
• M4: 3,522,880 km (0.117 R)
• M5: 3,827,162 km (0.106 R)
• M6: 5,418,884 km (0.044 R)
• M7: 11,265,019 km (0.054 R)
• M8: 11,792,052 km (0.06 R)
• M9: 12,129,844 km (0.077 R)
• M10: 12,543,632 km (0.073 R)
• M11: 13,841,543 km (0.099 R)
• M12: 19,554,985 km (0.043 R)
• M13: 21,695,132 km (0.033 R)
• M14: 22,717,633 km (0.119 R)
• M15: 24,968,782 km (0.046 R)
• M16: 45,024,920 km (0.116 R)
• M17: 66,649,292 km (0.052 R)
• M18: 70,559,631 km (0.107 R)
• M19: 75,080,927 km (0.061 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 11,619 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit