🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 12.7

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.68 AU - 0.72 AU

Year: 391 Days

Day: 9.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,671,530 km

• M1: 157,975 km (0.063 R)
• M2: 612,304 km (0.09 R)
• M3: 1,044,044 km (0.08 R)
• M4: 1,630,617 km (0.068 R)
• M5: 2,348,537 km (0.064 R)
• M6: 2,966,376 km (0.102 R)
• M7: 3,456,908 km (0.053 R)
• M8: 4,068,464 km (0.096 R)
• M9: 4,529,973 km (0.071 R)
• M10: 5,057,605 km (0.094 R)
• M11: 5,492,635 km (0.068 R)
• M12: 6,075,918 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.8

Radius: 10.3

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.75 AU - 1.07 AU

Year: 579 Days

Day: 12.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,671,530 km

• M1: 128,056 km (0.045 R)
• M2: 594,652 km (0.05 R)
• M3: 978,370 km (0.087 R)
• M4: 1,417,889 km (0.117 R)
• M5: 1,972,149 km (0.088 R)
• M6: 2,418,399 km (0.109 R)
• M7: 2,821,117 km (0.119 R)
• M8: 4,009,522 km (0.077 R)
• M9: 4,916,684 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 968.7

Radius: 9.3

Gravity: 11.2 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.22 AU - 1.42 AU

Year: 1011 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 52,671,530 km

• M1: 115,789 km (0.113 R)
• M2: 477,068 km (0.073 R)
• M3: 775,515 km (0.104 R)
• M4: 1,476,082 km (0.108 R)
• M5: 1,788,891 km (0.057 R)
• M6: 2,234,543 km (0.045 R)
• M7: 2,965,778 km (0.108 R)
• M8: 3,320,624 km (0.118 R)
• M9: 3,671,880 km (0.096 R)
• M10: 4,064,724 km (0.084 R)
• M11: 5,032,921 km (0.098 R)
• M12: 5,353,509 km (0.1 R)
• M13: 5,816,664 km (0.117 R)
• M14: 6,147,575 km (0.034 R)
• M15: 6,514,538 km (0.08 R)
• M16: 7,018,235 km (0.061 R)
• M17: 7,968,630 km (0.068 R)
• M18: 8,433,131 km (0.07 R)
• M19: 8,800,544 km (0.111 R)
• M20: 10,965,374 km (0.111 R)
• M21: 11,643,950 km (0.065 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.2

Radius: 3.1

Gravity: 75.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 5.35 AU - 6.39 AU

Year: 9484 Days

Day: 17 Hours

Environment

Temp: -233 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,671,530 km

• M1: 38,596 km (0.078 R)
• M2: 318,643 km (0.065 R)
• M3: 635,941 km (0.064 R)
• M4: 937,530 km (0.11 R)
• M5: 1,500,616 km (0.064 R)
• M6: 1,659,788 km (0.097 R)
• M7: 2,691,864 km (0.093 R)
• M8: 2,883,349 km (0.06 R)
• M9: 3,715,413 km (0.056 R)
• M10: 4,457,867 km (0.087 R)
• M11: 7,433,817 km (0.036 R)
• M12: 7,683,496 km (0.091 R)
• M13: 9,205,505 km (0.103 R)
• M14: 9,787,291 km (0.102 R)
• M15: 10,653,014 km (0.087 R)
• M16: 11,513,202 km (0.097 R)
• M17: 12,770,273 km (0.071 R)
• M18: 15,688,179 km (0.083 R)
• M19: 17,519,257 km (0.1 R)
• M20: 18,110,169 km (0.064 R)
• M21: 19,962,340 km (0.075 R)
• M22: 20,851,849 km (0.116 R)
• M23: 23,768,110 km (0.099 R)
• M24: 24,128,042 km (0.108 R)
• M25: 24,309,355 km (0.044 R)
• M26: 24,858,977 km (0.113 R)
• M27: 28,330,994 km (0.096 R)
• M28: 32,112,679 km (0.102 R)
• M29: 32,663,049 km (0.115 R)
• M30: 33,331,902 km (0.042 R)
• M31: 35,862,350 km (0.104 R)
• M32: 36,217,046 km (0.03 R)
• M33: 36,335,827 km (0.097 R)
• M34: 39,641,042 km (0.059 R)
• M35: 41,431,130 km (0.06 R)
• M36: 43,676,445 km (0.1 R)
• M37: 45,309,305 km (0.06 R)
• M38: 46,001,495 km (0.077 R)
• M39: 46,560,392 km (0.032 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 775

Radius: 6.2

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.81 AU - 7.15 AU

Year: 9752 Days

Day: 22 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 52,671,530 km

• M1: 89,908 km (0.046 R)
• M2: 301,440 km (0.072 R)
• M3: 721,660 km (0.063 R)
• M4: 929,152 km (0.091 R)
• M5: 1,580,801 km (0.038 R)
• M6: 2,271,045 km (0.115 R)
• M7: 3,948,935 km (0.098 R)
• M8: 4,944,359 km (0.094 R)
• M9: 5,299,654 km (0.042 R)
• M10: 6,468,014 km (0.114 R)
• M11: 7,460,895 km (0.092 R)
• M12: 8,015,454 km (0.108 R)
• M13: 8,551,463 km (0.058 R)
• M14: 8,921,867 km (0.11 R)
• M15: 9,399,833 km (0.107 R)
• M16: 9,894,852 km (0.102 R)
• M17: 14,304,249 km (0.108 R)
• M18: 14,958,740 km (0.115 R)
• M19: 15,564,761 km (0.092 R)
• M20: 18,228,800 km (0.103 R)
• M21: 18,610,574 km (0.1 R)
• M22: 19,232,601 km (0.073 R)
• M23: 20,765,531 km (0.106 R)
• M24: 21,859,989 km (0.067 R)
• M25: 22,639,992 km (0.111 R)
• M26: 23,889,882 km (0.049 R)
• M27: 26,235,128 km (0.097 R)
• M28: 26,429,157 km (0.117 R)
• M29: 27,115,661 km (0.09 R)
• M30: 27,713,604 km (0.076 R)
• M31: 33,724,297 km (0.118 R)
• M32: 35,116,305 km (0.117 R)
• M33: 36,185,331 km (0.059 R)
• M34: 37,153,529 km (0.088 R)
• M35: 37,520,941 km (0.067 R)
• M36: 38,889,313 km (0.095 R)
• M37: 41,857,035 km (0.106 R)
• M38: 43,058,306 km (0.038 R)
• M39: 45,809,710 km (0.108 R)
• M40: 48,822,611 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.5

Radius: 6.3

Gravity: 16.16 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 5.36 AU - 8.3 AU

Year: 11903 Days

Day: 19.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 52,671,530 km

• M1: 78,389 km (0.091 R)
• M2: 379,979 km (0.111 R)
• M3: 653,743 km (0.108 R)
• M4: 1,013,376 km (0.071 R)
• M5: 1,220,569 km (0.072 R)
• M6: 1,470,098 km (0.082 R)
• M7: 2,237,984 km (0.032 R)
• M8: 2,471,357 km (0.11 R)
• M9: 3,295,043 km (0.052 R)
• M10: 4,589,064 km (0.082 R)
• M11: 6,652,468 km (0.087 R)
• M12: 7,054,886 km (0.075 R)
• M13: 11,495,400 km (0.032 R)
• M14: 14,655,505 km (0.069 R)
• M15: 21,390,401 km (0.099 R)
• M16: 24,088,848 km (0.097 R)
• M17: 25,036,550 km (0.042 R)
• M18: 26,107,372 km (0.092 R)
• M19: 26,704,267 km (0.114 R)
• M20: 28,028,507 km (0.087 R)
• M21: 29,076,590 km (0.112 R)
• M22: 30,587,379 km (0.102 R)
• M23: 30,917,691 km (0.111 R)
• M24: 36,041,418 km (0.073 R)
• M25: 36,657,313 km (0.049 R)
• M26: 37,280,089 km (0.083 R)
• M27: 41,838,485 km (0.097 R)
• M28: 42,381,974 km (0.117 R)
• M29: 43,068,030 km (0.109 R)
• M30: 46,464,201 km (0.101 R)
• M31: 51,109,514 km (0.119 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 287 - 15,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit