🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.3

Radius: 8.4

Gravity: 4.67 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.98 AU - 2.2 AU

Year: 2049 Days

Day: 13.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,159,892 km

• M1: 104,569 km (0.072 R)
• M2: 433,535 km (0.042 R)
• M3: 951,891 km (0.117 R)
• M4: 1,308,084 km (0.094 R)
• M5: 1,684,322 km (0.058 R)
• M6: 2,166,028 km (0.115 R)
• M7: 2,514,890 km (0.067 R)
• M8: 3,419,658 km (0.118 R)
• M9: 4,320,985 km (0.055 R)
• M10: 4,916,983 km (0.027 R)
• M11: 5,308,630 km (0.118 R)
• M12: 5,676,641 km (0.116 R)
• M13: 5,946,515 km (0.111 R)
• M14: 6,343,698 km (0.068 R)
• M15: 6,758,383 km (0.074 R)
• M16: 7,062,067 km (0.117 R)
• M17: 7,778,491 km (0.078 R)
• M18: 8,600,980 km (0.072 R)
• M19: 9,958,132 km (0.114 R)
• M20: 12,104,861 km (0.084 R)
• M21: 12,440,260 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 11.8

Gravity: 6.24 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.14 AU - 2.32 AU

Year: 2259 Days

Day: 14.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,159,892 km

• M1: 150,495 km (0.099 R)
• M2: 518,506 km (0.119 R)
• M3: 937,979 km (0.04 R)
• M4: 1,359,994 km (0.105 R)
• M5: 2,534,188 km (0.113 R)
• M6: 3,394,376 km (0.117 R)
• M7: 3,796,794 km (0.087 R)
• M8: 4,922,668 km (0.064 R)
• M9: 6,126,033 km (0.118 R)
• M10: 6,586,345 km (0.086 R)
• M11: 8,934,733 km (0.11 R)
• M12: 10,372,668 km (0.114 R)
• M13: 12,637,729 km (0.043 R)
• M14: 17,417,680 km (0.08 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 109.2

Radius: 11

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.31 AU - 3.79 AU

Year: 3613 Days

Day: 10.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,159,892 km

• M1: 136,732 km (0.062 R)
• M2: 725,400 km (0.03 R)
• M3: 1,203,365 km (0.089 R)
• M4: 2,068,191 km (0.098 R)
• M5: 2,940,795 km (0.059 R)
• M6: 3,509,117 km (0.079 R)
• M7: 4,043,331 km (0.108 R)
• M8: 4,826,177 km (0.044 R)
• M9: 7,650,884 km (0.101 R)
• M10: 9,711,595 km (0.108 R)
• M11: 11,322,913 km (0.111 R)
• M12: 11,897,668 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.9

Radius: 11.5

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.84 AU - 4.04 AU

Year: 5304 Days

Day: 10.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 74,159,892 km

• M1: 150,495 km (0.086 R)
• M2: 618,288 km (0.105 R)
• M3: 1,037,760 km (0.086 R)
• M4: 2,116,361 km (0.063 R)
• M5: 2,598,365 km (0.085 R)
• M6: 4,253,067 km (0.069 R)
• M7: 4,972,334 km (0.052 R)
• M8: 5,534,523 km (0.109 R)
• M9: 6,045,250 km (0.062 R)
• M10: 6,554,481 km (0.049 R)
• M11: 9,459,373 km (0.056 R)
• M12: 13,987,251 km (0.115 R)
• M13: 16,229,723 km (0.103 R)
• M14: 23,364,495 km (0.099 R)
• M15: 25,265,734 km (0.057 R)
• M16: 26,927,018 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 273

Radius: 3.7

Gravity: 19.94 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.89 AU - 7.33 AU

Year: 11526 Days

Day: 15 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,159,892 km

• M1: 48,470 km (0.041 R)
• M2: 220,058 km (0.073 R)
• M3: 475,572 km (0.079 R)
• M4: 594,951 km (0.098 R)
• M5: 842,834 km (0.106 R)
• M6: 1,102,237 km (0.103 R)
• M7: 1,608,925 km (0.101 R)
• M8: 1,853,069 km (0.087 R)
• M9: 2,256,385 km (0.034 R)
• M10: 2,794,339 km (0.102 R)
• M11: 4,196,968 km (0.113 R)
• M12: 5,910,761 km (0.044 R)
• M13: 6,994,748 km (0.095 R)
• M14: 7,920,160 km (0.092 R)
• M15: 11,231,958 km (0.104 R)
• M16: 14,684,078 km (0.071 R)
• M17: 15,550,998 km (0.118 R)
• M18: 15,677,707 km (0.119 R)
• M19: 19,142,394 km (0.085 R)
• M20: 19,287,803 km (0.088 R)
• M21: 21,323,680 km (0.109 R)
• M22: 31,100,051 km (0.088 R)
• M23: 38,430,496 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 385.6

Radius: 4.6

Gravity: 18.22 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.34 AU - 8.6 AU

Year: 16719 Days

Day: 18.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 74,159,892 km

• M1: 57,296 km (0.089 R)
• M2: 451,337 km (0.059 R)
• M3: 798,553 km (0.092 R)
• M4: 1,346,530 km (0.086 R)
• M5: 2,527,905 km (0.113 R)
• M6: 5,372,957 km (0.099 R)
• M7: 6,026,101 km (0.107 R)
• M8: 6,450,511 km (0.118 R)
• M9: 6,730,707 km (0.104 R)
• M10: 9,222,709 km (0.117 R)
• M11: 9,785,795 km (0.083 R)
• M12: 11,729,969 km (0.12 R)
• M13: 12,268,671 km (0.111 R)
• M14: 13,589,321 km (0.098 R)
• M15: 15,636,418 km (0.101 R)
• M16: 19,906,839 km (0.038 R)
• M17: 20,500,593 km (0.06 R)
• M18: 20,758,649 km (0.056 R)
• M19: 23,931,321 km (0.103 R)
• M20: 25,187,644 km (0.026 R)
• M21: 26,793,427 km (0.104 R)
• M22: 28,253,353 km (0.105 R)
• M23: 30,096,399 km (0.086 R)
• M24: 30,765,550 km (0.09 R)
• M25: 34,745,901 km (0.062 R)
• M26: 37,240,595 km (0.028 R)
• M27: 38,011,622 km (0.076 R)
• M28: 44,136,907 km (0.106 R)
• M29: 49,025,017 km (0.084 R)
• M30: 50,574,552 km (0.032 R)
• M31: 54,755,364 km (0.108 R)
• M32: 55,252,178 km (0.037 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 571.8

Radius: 5.8

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 8.59 AU - 11.17 AU

Year: 21063 Days

Day: 23.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 74,159,892 km

• M1: 72,405 km (0.028 R)
• M2: 369,956 km (0.104 R)
• M3: 839,693 km (0.054 R)
• M4: 1,300,604 km (0.08 R)
• M5: 1,935,647 km (0.074 R)
• M6: 3,358,771 km (0.095 R)
• M7: 3,886,104 km (0.119 R)
• M8: 6,212,650 km (0.075 R)
• M9: 6,959,293 km (0.103 R)
• M10: 7,283,472 km (0.055 R)
• M11: 11,480,889 km (0.085 R)
• M12: 11,803,272 km (0.081 R)
• M13: 14,230,497 km (0.093 R)
• M14: 18,952,704 km (0.073 R)
• M15: 19,221,980 km (0.065 R)
• M16: 19,493,799 km (0.064 R)
• M17: 25,051,061 km (0.076 R)
• M18: 28,072,340 km (0.06 R)
• M19: 29,851,507 km (0.114 R)
• M20: 37,298,190 km (0.12 R)
• M21: 42,281,594 km (0.103 R)
• M22: 43,515,477 km (0.091 R)
• M23: 45,091,192 km (0.052 R)
• M24: 51,600,644 km (0.117 R)
• M25: 52,301,660 km (0.104 R)
• M26: 53,186,980 km (0.068 R)
• M27: 54,805,479 km (0.098 R)
• M28: 67,481,056 km (0.1 R)
• M29: 68,530,037 km (0.076 R)
• M30: 71,307,919 km (0.079 R)
• M31: 71,959,418 km (0.068 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 555 - 16,036 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit