🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.9

Radius: 8.1

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.52 AU - 0.82 AU

Year: 366 Days

Day: 14.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 59,761,568 km

• M1: 100,679 km (0.1 R)
• M2: 365,019 km (0.03 R)
• M3: 788,830 km (0.106 R)
• M4: 1,169,855 km (0.069 R)
• M5: 1,752,689 km (0.059 R)
• M6: 2,078,812 km (0.097 R)
• M7: 2,552,439 km (0.083 R)
• M8: 2,815,282 km (0.085 R)
• M9: 4,078,936 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 479.8

Radius: 8.7

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.71 AU - 0.99 AU

Year: 523 Days

Day: 10.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,761,568 km

• M1: 108,159 km (0.119 R)
• M2: 490,531 km (0.088 R)
• M3: 799,750 km (0.105 R)
• M4: 1,096,104 km (0.1 R)
• M5: 1,447,359 km (0.101 R)
• M6: 1,904,830 km (0.025 R)
• M7: 2,504,418 km (0.089 R)
• M8: 3,010,508 km (0.025 R)
• M9: 3,412,477 km (0.11 R)
• M10: 3,721,247 km (0.075 R)
• M11: 4,008,475 km (0.107 R)
• M12: 4,868,064 km (0.097 R)
• M13: 5,407,065 km (0.046 R)
• M14: 5,845,686 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 12

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.84 AU - 1.2 AU

Year: 687 Days

Day: 13.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,761,568 km

• M1: 149,897 km (0.118 R)
• M2: 813,663 km (0.074 R)
• M3: 2,610,333 km (0.083 R)
• M4: 3,261,682 km (0.105 R)
• M5: 3,698,209 km (0.097 R)
• M6: 4,082,975 km (0.088 R)
• M7: 4,633,196 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 759.5

Radius: 10.9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 2.9 AU - 2.96 AU

Year: 3344 Days

Day: 7.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 59,761,568 km

• M1: 136,882 km (0.105 R)
• M2: 485,146 km (0.115 R)
• M3: 1,086,380 km (0.114 R)
• M4: 1,439,730 km (0.046 R)
• M5: 2,119,054 km (0.098 R)
• M6: 2,880,806 km (0.109 R)
• M7: 3,836,737 km (0.099 R)
• M8: 5,218,273 km (0.026 R)
• M9: 6,050,486 km (0.079 R)
• M10: 6,513,491 km (0.102 R)
• M11: 7,608,996 km (0.114 R)
• M12: 8,606,515 km (0.106 R)
• M13: 10,776,582 km (0.08 R)
• M14: 11,765,424 km (0.096 R)
• M15: 12,813,806 km (0.116 R)
• M16: 13,775,122 km (0.108 R)
• M17: 14,887,382 km (0.112 R)
• M18: 15,841,068 km (0.111 R)
• M19: 16,222,692 km (0.071 R)
• M20: 17,175,481 km (0.107 R)
• M21: 17,578,348 km (0.111 R)
• M22: 18,583,347 km (0.104 R)
• M23: 19,130,576 km (0.106 R)
• M24: 20,385,403 km (0.061 R)
• M25: 21,694,234 km (0.106 R)
• M26: 22,919,441 km (0.105 R)
• M27: 23,690,468 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 14

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 3.57 AU - 5.07 AU

Year: 5988 Days

Day: 7.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,761,568 km

• M1: 174,282 km (0.093 R)
• M2: 749,186 km (0.115 R)
• M3: 1,282,353 km (0.117 R)
• M4: 2,295,729 km (0.084 R)
• M5: 2,830,841 km (0.097 R)
• M6: 4,203,999 km (0.094 R)
• M7: 5,511,934 km (0.101 R)
• M8: 5,983,616 km (0.046 R)
• M9: 6,874,321 km (0.069 R)
• M10: 9,572,319 km (0.111 R)
• M11: 11,344,156 km (0.078 R)
• M12: 18,157,292 km (0.109 R)
• M13: 19,341,210 km (0.114 R)
• M14: 20,857,384 km (0.101 R)
• M15: 21,572,163 km (0.114 R)
• M16: 23,202,181 km (0.062 R)
• M17: 23,892,276 km (0.098 R)
• M18: 24,438,458 km (0.111 R)
• M19: 24,913,132 km (0.108 R)
• M20: 26,873,911 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.7

Radius: 7.2

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.48 AU - 6.08 AU

Year: 9267 Days

Day: 22.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 127.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,761,568 km

• M1: 90,208 km (0.08 R)
• M2: 331,359 km (0.097 R)
• M3: 830,567 km (0.096 R)
• M4: 1,466,957 km (0.102 R)
• M5: 1,699,282 km (0.11 R)
• M6: 2,007,454 km (0.086 R)
• M7: 2,410,620 km (0.082 R)
• M8: 2,736,893 km (0.084 R)
• M9: 3,330,049 km (0.116 R)
• M10: 4,202,354 km (0.049 R)
• M11: 5,285,143 km (0.083 R)
• M12: 5,802,004 km (0.117 R)
• M13: 6,054,525 km (0.108 R)
• M14: 7,471,366 km (0.117 R)
• M15: 7,901,311 km (0.118 R)
• M16: 9,290,477 km (0.069 R)
• M17: 10,355,015 km (0.106 R)
• M18: 11,498,691 km (0.101 R)
• M19: 16,200,701 km (0.036 R)
• M20: 16,775,157 km (0.069 R)
• M21: 18,347,880 km (0.103 R)
• M22: 19,130,277 km (0.119 R)
• M23: 20,929,490 km (0.094 R)
• M24: 25,528,877 km (0.12 R)
• M25: 25,915,737 km (0.096 R)
• M26: 31,528,948 km (0.059 R)
• M27: 33,566,471 km (0.051 R)
• M28: 33,914,436 km (0.115 R)
• M29: 37,278,443 km (0.045 R)
• M30: 37,651,690 km (0.114 R)
• M31: 37,901,817 km (0.114 R)
• M32: 46,936,930 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 507.3

Radius: 3.3

Gravity: 46.58 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 7.98 AU - 8.78 AU

Year: 16177 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 59,761,568 km

• M1: 41,289 km (0.089 R)
• M2: 334,501 km (0.037 R)
• M3: 437,873 km (0.093 R)
• M4: 721,361 km (0.118 R)
• M5: 974,181 km (0.099 R)
• M6: 1,802,954 km (0.069 R)
• M7: 2,451,012 km (0.081 R)
• M8: 3,190,324 km (0.078 R)
• M9: 4,008,325 km (0.089 R)
• M10: 4,126,956 km (0.091 R)
• M11: 4,309,466 km (0.093 R)
• M12: 6,006,953 km (0.077 R)
• M13: 7,686,638 km (0.076 R)
• M14: 10,698,342 km (0.096 R)
• M15: 11,633,030 km (0.043 R)
• M16: 12,876,338 km (0.091 R)
• M17: 14,205,365 km (0.06 R)
• M18: 18,083,241 km (0.073 R)
• M19: 18,819,113 km (0.074 R)
• M20: 22,054,167 km (0.12 R)
• M21: 22,238,920 km (0.03 R)
• M22: 22,705,217 km (0.103 R)
• M23: 24,934,524 km (0.055 R)
• M24: 26,882,737 km (0.094 R)
• M25: 27,518,379 km (0.104 R)
• M26: 29,040,537 km (0.036 R)
• M27: 31,896,660 km (0.105 R)
• M28: 35,691,060 km (0.108 R)
• M29: 41,156,618 km (0.074 R)
• M30: 42,712,436 km (0.09 R)
• M31: 46,242,048 km (0.077 R)
• M32: 48,856,570 km (0.077 R)
• M33: 51,568,032 km (0.088 R)
• M34: 53,874,831 km (0.101 R)
• M35: 55,053,662 km (0.103 R)
• M36: 55,906,071 km (0.063 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 14,237 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit