🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 160.1

Radius: 11.9

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.78 AU - 1.04 AU

Year: 589 Days

Day: 5.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 40,283,769 km

• M1: 148,251 km (0.042 R)
• M2: 576,849 km (0.047 R)
• M3: 1,248,993 km (0.112 R)
• M4: 1,767,349 km (0.093 R)
• M5: 2,222,127 km (0.094 R)
• M6: 2,886,491 km (0.075 R)
• M7: 3,725,137 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.4

Radius: 13.5

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 9.6 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,283,769 km

• M1: 168,746 km (0.106 R)
• M2: 647,609 km (0.04 R)
• M3: 1,588,729 km (0.075 R)
• M4: 2,185,026 km (0.117 R)
• M5: 3,522,431 km (0.113 R)
• M6: 4,377,682 km (0.027 R)
• M7: 5,600,196 km (0.109 R)
• M8: 6,341,005 km (0.077 R)
• M9: 6,807,750 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 12.4

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.86 AU - 1 AU

Year: 608 Days

Day: 14 Hours

Environment

Temp: -174 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 40,283,769 km

• M1: 158,275 km (0.088 R)
• M2: 595,848 km (0.107 R)
• M3: 1,010,982 km (0.088 R)
• M4: 1,422,975 km (0.118 R)
• M5: 2,365,292 km (0.05 R)
• M6: 2,979,690 km (0.086 R)
• M7: 3,413,524 km (0.12 R)
• M8: 3,975,115 km (0.107 R)
• M9: 4,383,218 km (0.108 R)
• M10: 4,861,781 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.7

Radius: 8.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.34 AU - 2.46 AU

Year: 2522 Days

Day: 11.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,283,769 km

• M1: 108,159 km (0.108 R)
• M2: 614,548 km (0.106 R)
• M3: 1,013,226 km (0.066 R)
• M4: 1,434,943 km (0.114 R)
• M5: 1,935,796 km (0.102 R)
• M6: 2,634,269 km (0.115 R)
• M7: 3,852,145 km (0.093 R)
• M8: 4,277,751 km (0.07 R)
• M9: 5,064,337 km (0.043 R)
• M10: 5,575,812 km (0.115 R)
• M11: 5,994,387 km (0.08 R)
• M12: 6,328,439 km (0.106 R)
• M13: 6,729,361 km (0.114 R)
• M14: 7,493,657 km (0.11 R)
• M15: 8,665,905 km (0.081 R)
• M16: 9,639,488 km (0.07 R)
• M17: 10,535,879 km (0.082 R)
• M18: 11,176,457 km (0.095 R)
• M19: 11,447,678 km (0.041 R)
• M20: 12,701,906 km (0.077 R)
• M21: 13,471,139 km (0.103 R)
• M22: 14,407,173 km (0.118 R)
• M23: 16,013,854 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.2

Radius: 13.2

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.54 AU - 6.38 AU

Year: 8653 Days

Day: 14.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 40,283,769 km

• M1: 165,156 km (0.116 R)
• M2: 743,053 km (0.109 R)
• M3: 3,325,710 km (0.06 R)
• M4: 3,917,071 km (0.093 R)
• M5: 4,471,630 km (0.12 R)
• M6: 5,049,527 km (0.039 R)
• M7: 5,553,522 km (0.109 R)
• M8: 6,189,462 km (0.104 R)
• M9: 6,697,796 km (0.094 R)
• M10: 7,607,501 km (0.117 R)
• M11: 9,672,250 km (0.111 R)
• M12: 10,979,885 km (0.084 R)
• M13: 15,425,635 km (0.055 R)
• M14: 17,009,727 km (0.108 R)
• M15: 17,472,134 km (0.038 R)
• M16: 18,147,269 km (0.076 R)
• M17: 19,334,926 km (0.115 R)
• M18: 19,984,331 km (0.07 R)
• M19: 23,209,212 km (0.098 R)
• M20: 24,107,996 km (0.072 R)
• M21: 24,860,473 km (0.094 R)
• M22: 25,628,658 km (0.064 R)
• M23: 34,308,476 km (0.056 R)
• M24: 35,797,424 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 258.3

Radius: 7.4

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 6.04 AU - 9.66 AU

Year: 14917 Days

Day: 22.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 40,283,769 km

• M1: 94,247 km (0.028 R)
• M2: 739,462 km (0.053 R)
• M3: 1,050,925 km (0.049 R)
• M4: 1,488,798 km (0.059 R)
• M5: 1,881,044 km (0.064 R)
• M6: 4,094,793 km (0.073 R)
• M7: 4,897,086 km (0.06 R)
• M8: 5,902,833 km (0.109 R)
• M9: 8,273,061 km (0.028 R)
• M10: 12,540,042 km (0.078 R)
• M11: 15,901,805 km (0.074 R)
• M12: 17,428,451 km (0.076 R)
• M13: 19,898,013 km (0.112 R)
• M14: 20,851,101 km (0.042 R)
• M15: 22,084,834 km (0.114 R)
• M16: 25,426,851 km (0.12 R)
• M17: 35,917,402 km (0.085 R)
• M18: 36,853,884 km (0.115 R)
• M19: 39,885,635 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.1

Radius: 7.5

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.19 AU - 11.57 AU

Year: 19485 Days

Day: 23.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 40,283,769 km

• M1: 102,026 km (0.085 R)
• M2: 601,683 km (0.117 R)
• M3: 1,617,751 km (0.061 R)
• M4: 2,229,756 km (0.113 R)
• M5: 4,455,174 km (0.098 R)
• M6: 5,875,756 km (0.094 R)
• M7: 6,963,930 km (0.116 R)
• M8: 8,861,579 km (0.096 R)
• M9: 10,978,539 km (0.094 R)
• M10: 12,453,724 km (0.096 R)
• M11: 18,015,922 km (0.086 R)
• M12: 23,999,538 km (0.091 R)
• M13: 24,601,370 km (0.07 R)
• M14: 25,037,597 km (0.067 R)
• M15: 26,105,128 km (0.044 R)
• M16: 37,804,579 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 15,286 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit