🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.24 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.9

Radius: 9.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.28 AU - 2.68 AU

Year: 2483 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,374,086 km

• M1: 130,150 km (0.054 R)
• M2: 559,945 km (0.068 R)
• M3: 1,205,310 km (0.094 R)
• M4: 1,720,525 km (0.051 R)
• M5: 2,304,106 km (0.106 R)
• M6: 3,693,123 km (0.082 R)
• M7: 4,023,884 km (0.077 R)
• M8: 4,745,544 km (0.112 R)
• M9: 5,116,247 km (0.109 R)
• M10: 5,618,298 km (0.067 R)
• M11: 8,105,661 km (0.056 R)
• M12: 10,000,917 km (0.073 R)
• M13: 10,508,951 km (0.068 R)
• M14: 12,365,760 km (0.087 R)
• M15: 13,555,063 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402

Radius: 10.7

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.47 AU - 3.81 AU

Year: 3538 Days

Day: 12.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 72,374,086 km

• M1: 133,441 km (0.104 R)
• M2: 666,159 km (0.057 R)
• M3: 1,235,978 km (0.09 R)
• M4: 1,820,157 km (0.079 R)
• M5: 2,731,807 km (0.104 R)
• M6: 3,085,007 km (0.107 R)
• M7: 3,468,875 km (0.087 R)
• M8: 3,904,205 km (0.05 R)
• M9: 4,291,215 km (0.047 R)
• M10: 4,748,835 km (0.077 R)
• M11: 5,533,775 km (0.116 R)
• M12: 5,970,900 km (0.074 R)
• M13: 6,712,307 km (0.059 R)
• M14: 7,179,950 km (0.113 R)
• M15: 7,763,531 km (0.115 R)
• M16: 8,511,969 km (0.096 R)
• M17: 9,201,316 km (0.106 R)
• M18: 9,964,714 km (0.064 R)
• M19: 10,458,088 km (0.103 R)
• M20: 12,684,254 km (0.068 R)
• M21: 13,083,830 km (0.108 R)
• M22: 14,049,035 km (0.042 R)
• M23: 14,669,866 km (0.057 R)
• M24: 16,224,338 km (0.057 R)
• M25: 16,801,486 km (0.087 R)
• M26: 18,729,354 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.2

Radius: 12.6

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.07 AU - 4.01 AU

Year: 4235 Days

Day: 5 Hours

Environment

Temp: -217 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,374,086 km

• M1: 161,865 km (0.118 R)
• M2: 606,919 km (0.106 R)
• M3: 1,014,573 km (0.103 R)
• M4: 1,592,469 km (0.109 R)
• M5: 3,294,444 km (0.095 R)
• M6: 4,892,299 km (0.069 R)
• M7: 5,499,367 km (0.041 R)
• M8: 9,472,388 km (0.084 R)
• M9: 10,499,377 km (0.092 R)
• M10: 10,955,501 km (0.11 R)
• M11: 12,588,212 km (0.077 R)
• M12: 13,151,149 km (0.11 R)
• M13: 14,076,561 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 608.3

Radius: 14.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.56 AU - 3.7 AU

Year: 4397 Days

Day: 6.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,374,086 km

• M1: 177,872 km (0.079 R)
• M2: 697,575 km (0.099 R)
• M3: 1,330,823 km (0.084 R)
• M4: 2,194,002 km (0.047 R)
• M5: 5,420,978 km (0.114 R)
• M6: 5,921,832 km (0.097 R)
• M7: 6,857,417 km (0.119 R)
• M8: 7,820,079 km (0.075 R)
• M9: 12,639,524 km (0.102 R)
• M10: 13,676,237 km (0.108 R)
• M11: 17,187,000 km (0.092 R)
• M12: 24,107,697 km (0.074 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 14.7

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.67 AU - 5.89 AU

Year: 6645 Days

Day: 8.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,374,086 km

• M1: 183,257 km (0.119 R)
• M2: 757,414 km (0.104 R)
• M3: 1,433,447 km (0.091 R)
• M4: 3,235,802 km (0.049 R)
• M5: 4,261,445 km (0.093 R)
• M6: 5,215,431 km (0.116 R)
• M7: 6,055,572 km (0.073 R)
• M8: 7,045,312 km (0.108 R)
• M9: 9,571,272 km (0.057 R)
• M10: 11,205,778 km (0.09 R)
• M11: 14,616,759 km (0.112 R)
• M12: 16,395,179 km (0.096 R)
• M13: 17,677,382 km (0.108 R)
• M14: 18,608,180 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.4

Radius: 12.9

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.38 AU - 5.34 AU

Year: 6812 Days

Day: 13.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 72,374,086 km

• M1: 160,519 km (0.108 R)
• M2: 664,065 km (0.096 R)
• M3: 1,904,680 km (0.069 R)
• M4: 2,481,978 km (0.049 R)
• M5: 3,047,608 km (0.061 R)
• M6: 5,098,146 km (0.071 R)
• M7: 7,670,032 km (0.117 R)
• M8: 8,437,918 km (0.118 R)
• M9: 11,669,083 km (0.091 R)
• M10: 12,876,188 km (0.071 R)
• M11: 19,547,206 km (0.086 R)
• M12: 20,846,463 km (0.041 R)
• M13: 25,165,055 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.3

Radius: 8.5

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 4.99 AU - 5.09 AU

Year: 7194 Days

Day: 13.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 72,374,086 km

• M1: 105,766 km (0.086 R)
• M2: 421,716 km (0.063 R)
• M3: 902,374 km (0.097 R)
• M4: 1,435,990 km (0.071 R)
• M5: 1,705,565 km (0.057 R)
• M6: 2,182,783 km (0.098 R)
• M7: 2,506,512 km (0.034 R)
• M8: 2,842,808 km (0.11 R)
• M9: 3,359,968 km (0.089 R)
• M10: 5,057,904 km (0.109 R)
• M11: 5,413,648 km (0.096 R)
• M12: 7,411,827 km (0.097 R)
• M13: 8,390,795 km (0.116 R)
• M14: 14,434,100 km (0.067 R)
• M15: 19,169,770 km (0.028 R)
• M16: 20,330,650 km (0.116 R)
• M17: 24,094,383 km (0.025 R)
• M18: 25,704,355 km (0.115 R)
• M19: 27,565,951 km (0.082 R)
• M20: 28,113,928 km (0.076 R)
• M21: 29,325,970 km (0.077 R)
• M22: 31,159,890 km (0.098 R)
• M23: 31,456,243 km (0.073 R)
• M24: 34,841,793 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 226.7

Radius: 5.8

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.35 AU - 10.31 AU

Year: 15286 Days

Day: 21.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,374,086 km

• M1: 75,697 km (0.103 R)
• M2: 319,840 km (0.092 R)
• M3: 936,632 km (0.068 R)
• M4: 1,121,386 km (0.092 R)
• M5: 3,491,913 km (0.095 R)
• M6: 5,021,552 km (0.089 R)
• M7: 5,239,815 km (0.078 R)
• M8: 5,497,123 km (0.11 R)
• M9: 5,695,490 km (0.109 R)
• M10: 11,532,799 km (0.118 R)
• M11: 11,968,727 km (0.076 R)
• M12: 17,371,155 km (0.106 R)
• M13: 17,799,454 km (0.075 R)
• M14: 18,381,390 km (0.116 R)
• M15: 19,202,233 km (0.076 R)
• M16: 25,644,366 km (0.101 R)
• M17: 30,005,593 km (0.107 R)
• M18: 35,976,194 km (0.108 R)
• M19: 38,329,817 km (0.113 R)
• M20: 39,913,460 km (0.103 R)
• M21: 40,161,044 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67

Radius: 3

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 8.53 AU - 9.59 AU

Year: 17339 Days

Day: 23.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,374,086 km

• M1: 37,399 km (0.094 R)
• M2: 172,636 km (0.072 R)
• M3: 1,150,557 km (0.077 R)
• M4: 2,105,590 km (0.088 R)
• M5: 2,805,259 km (0.096 R)
• M6: 5,078,399 km (0.064 R)
• M7: 6,576,023 km (0.029 R)
• M8: 7,406,890 km (0.083 R)
• M9: 17,019,750 km (0.11 R)
• M10: 18,639,147 km (0.05 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 597.5

Radius: 7.1

Gravity: 11.85 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.37 AU - 11.47 AU

Year: 19866 Days

Day: 23.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 72,374,086 km

• M1: 91,105 km (0.08 R)
• M2: 373,396 km (0.097 R)
• M3: 711,039 km (0.094 R)
• M4: 990,936 km (0.048 R)
• M5: 1,591,572 km (0.051 R)
• M6: 2,615,868 km (0.113 R)
• M7: 3,295,043 km (0.118 R)
• M8: 3,690,729 km (0.12 R)
• M9: 4,245,588 km (0.061 R)
• M10: 4,890,205 km (0.083 R)
• M11: 5,637,297 km (0.109 R)
• M12: 6,587,841 km (0.116 R)
• M13: 7,170,226 km (0.1 R)
• M14: 7,835,338 km (0.112 R)
• M15: 8,540,692 km (0.106 R)
• M16: 10,252,241 km (0.098 R)
• M17: 10,789,148 km (0.113 R)
• M18: 11,597,575 km (0.038 R)
• M19: 15,085,748 km (0.058 R)
• M20: 16,175,120 km (0.083 R)
• M21: 16,902,615 km (0.037 R)
• M22: 17,991,538 km (0.099 R)
• M23: 19,037,526 km (0.07 R)
• M24: 23,322,308 km (0.104 R)
• M25: 24,988,679 km (0.025 R)
• M26: 26,510,687 km (0.082 R)
• M27: 36,408,980 km (0.085 R)
• M28: 41,122,360 km (0.072 R)
• M29: 41,569,957 km (0.095 R)
• M30: 46,710,589 km (0.068 R)
• M31: 48,182,781 km (0.1 R)
• M32: 55,463,560 km (0.116 R)
• M33: 59,174,784 km (0.114 R)
• M34: 60,511,740 km (0.096 R)
• M35: 67,293,461 km (0.102 R)
• M36: 72,374,103 km (0.118 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 - 10,300 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit