🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.7

Radius: 9.4

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.17 AU - 1.43 AU

Year: 1005 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,436,078 km

• M1: 124,166 km (0.049 R)
• M2: 532,718 km (0.054 R)
• M3: 890,556 km (0.107 R)
• M4: 1,277,865 km (0.089 R)
• M5: 1,785,750 km (0.071 R)
• M6: 2,123,093 km (0.105 R)
• M7: 2,526,110 km (0.044 R)
• M8: 3,019,035 km (0.098 R)
• M9: 3,663,801 km (0.065 R)
• M10: 4,099,580 km (0.04 R)
• M11: 4,854,152 km (0.114 R)
• M12: 5,303,245 km (0.077 R)
• M13: 6,049,887 km (0.06 R)
• M14: 7,359,018 km (0.111 R)
• M15: 8,054,499 km (0.114 R)
• M16: 8,497,757 km (0.053 R)
• M17: 9,207,300 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.6

Radius: 11.2

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.09 AU - 1.63 AU

Year: 1076 Days

Day: 6.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,436,078 km

• M1: 143,764 km (0.103 R)
• M2: 516,262 km (0.118 R)
• M3: 1,077,105 km (0.076 R)
• M4: 1,457,083 km (0.111 R)
• M5: 1,817,016 km (0.108 R)
• M6: 2,216,143 km (0.098 R)
• M7: 2,568,446 km (0.084 R)
• M8: 3,048,805 km (0.116 R)
• M9: 3,588,703 km (0.074 R)
• M10: 4,208,039 km (0.09 R)
• M11: 4,951,839 km (0.039 R)
• M12: 6,283,111 km (0.118 R)
• M13: 6,678,348 km (0.089 R)
• M14: 7,113,678 km (0.066 R)
• M15: 7,715,361 km (0.116 R)
• M16: 8,587,666 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.9

Radius: 9.4

Gravity: 9.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.3 AU - 1.72 AU

Year: 1259 Days

Day: 14.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,436,078 km

• M1: 118,482 km (0.112 R)
• M2: 528,828 km (0.091 R)
• M3: 972,386 km (0.083 R)
• M4: 1,360,144 km (0.093 R)
• M5: 1,890,917 km (0.085 R)
• M6: 2,857,918 km (0.098 R)
• M7: 3,618,025 km (0.105 R)
• M8: 5,013,025 km (0.076 R)
• M9: 5,534,972 km (0.084 R)
• M10: 6,162,086 km (0.053 R)
• M11: 7,584,612 km (0.058 R)
• M12: 9,032,719 km (0.114 R)
• M13: 9,742,861 km (0.052 R)
• M14: 12,579,835 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.6

Radius: 12.4

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.51 AU - 3.63 AU

Year: 3648 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,436,078 km

• M1: 154,235 km (0.026 R)
• M2: 567,874 km (0.048 R)
• M3: 965,505 km (0.115 R)
• M4: 1,775,128 km (0.073 R)
• M5: 2,175,751 km (0.101 R)
• M6: 3,113,730 km (0.079 R)
• M7: 4,853,853 km (0.107 R)
• M8: 5,675,743 km (0.054 R)
• M9: 6,282,811 km (0.066 R)
• M10: 7,139,558 km (0.101 R)
• M11: 7,689,929 km (0.072 R)
• M12: 8,268,574 km (0.047 R)
• M13: 9,155,390 km (0.113 R)
• M14: 10,332,875 km (0.065 R)
• M15: 11,817,334 km (0.077 R)
• M16: 13,623,429 km (0.05 R)
• M17: 14,811,236 km (0.102 R)
• M18: 15,861,413 km (0.106 R)
• M19: 16,800,439 km (0.105 R)
• M20: 17,776,117 km (0.078 R)
• M21: 18,504,060 km (0.11 R)

Asteroid Belt

Center: 3.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 906

Radius: 10.3

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 3.37 AU - 5.01 AU

Year: 5817 Days

Day: 12.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,436,078 km

• M1: 128,056 km (0.113 R)
• M2: 590,313 km (0.12 R)
• M3: 991,834 km (0.116 R)
• M4: 1,514,080 km (0.042 R)
• M5: 2,008,950 km (0.107 R)
• M6: 2,664,787 km (0.067 R)
• M7: 3,569,704 km (0.077 R)
• M8: 4,093,447 km (0.058 R)
• M9: 4,833,657 km (0.087 R)
• M10: 5,445,362 km (0.079 R)
• M11: 7,001,928 km (0.106 R)
• M12: 7,442,943 km (0.088 R)
• M13: 9,048,278 km (0.089 R)
• M14: 10,970,161 km (0.106 R)
• M15: 12,183,101 km (0.112 R)
• M16: 13,652,152 km (0.118 R)
• M17: 14,576,517 km (0.084 R)
• M18: 15,114,621 km (0.083 R)
• M19: 16,678,816 km (0.074 R)
• M20: 19,689,623 km (0.073 R)
• M21: 22,725,263 km (0.112 R)
• M22: 25,712,433 km (0.109 R)
• M23: 26,498,121 km (0.114 R)
• M24: 27,843,305 km (0.084 R)
• M25: 29,422,311 km (0.115 R)
• M26: 31,060,108 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651

Radius: 10.9

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.3 AU - 5.04 AU

Year: 6845 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 98.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 51,436,078 km

• M1: 137,331 km (0.09 R)
• M2: 608,863 km (0.117 R)
• M3: 1,052,870 km (0.076 R)
• M4: 1,726,060 km (0.061 R)
• M5: 2,249,204 km (0.096 R)
• M6: 4,043,780 km (0.059 R)
• M7: 4,558,546 km (0.114 R)
• M8: 5,845,836 km (0.07 R)
• M9: 6,403,387 km (0.033 R)
• M10: 7,587,006 km (0.104 R)
• M11: 9,561,249 km (0.077 R)
• M12: 12,272,112 km (0.089 R)
• M13: 13,187,351 km (0.052 R)
• M14: 14,032,280 km (0.042 R)
• M15: 15,892,081 km (0.091 R)
• M16: 21,518,756 km (0.075 R)
• M17: 23,088,487 km (0.093 R)
• M18: 24,398,216 km (0.045 R)
• M19: 24,817,539 km (0.073 R)
• M20: 33,520,844 km (0.112 R)
• M21: 34,668,259 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.4

Radius: 11.4

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.5 AU - 5.48 AU

Year: 7560 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 63.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,436,078 km

• M1: 148,401 km (0.111 R)
• M2: 704,456 km (0.069 R)
• M3: 1,374,804 km (0.095 R)
• M4: 1,752,389 km (0.079 R)
• M5: 2,452,358 km (0.1 R)
• M6: 3,465,883 km (0.118 R)
• M7: 4,360,479 km (0.074 R)
• M8: 5,244,303 km (0.118 R)
• M9: 7,041,273 km (0.115 R)
• M10: 9,064,584 km (0.057 R)
• M11: 11,097,768 km (0.066 R)
• M12: 13,868,321 km (0.063 R)
• M13: 15,824,014 km (0.107 R)
• M14: 16,724,144 km (0.109 R)
• M15: 17,187,000 km (0.096 R)
• M16: 18,077,556 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 834.5

Radius: 5.2

Gravity: 30.86 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.39 AU - 7.11 AU

Year: 11895 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,436,078 km

• M1: 64,626 km (0.087 R)
• M2: 530,773 km (0.104 R)
• M3: 1,232,686 km (0.027 R)
• M4: 1,464,713 km (0.098 R)
• M5: 1,758,373 km (0.086 R)
• M6: 2,035,279 km (0.051 R)
• M7: 4,227,187 km (0.105 R)
• M8: 5,055,361 km (0.08 R)
• M9: 6,101,050 km (0.107 R)
• M10: 6,901,399 km (0.104 R)
• M11: 7,997,502 km (0.12 R)
• M12: 9,720,122 km (0.117 R)
• M13: 11,616,424 km (0.075 R)
• M14: 15,325,853 km (0.107 R)
• M15: 16,946,447 km (0.096 R)
• M16: 20,697,763 km (0.11 R)
• M17: 20,960,008 km (0.081 R)
• M18: 31,485,265 km (0.071 R)
• M19: 31,716,245 km (0.068 R)
• M20: 35,443,476 km (0.1 R)
• M21: 40,533,842 km (0.082 R)
• M22: 42,897,489 km (0.075 R)
• M23: 46,239,206 km (0.107 R)
• M24: 49,750,567 km (0.059 R)
• M25: 53,599,720 km (0.074 R)
• M26: 56,784,210 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.4

Radius: 5.1

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 6.5 AU - 9.84 AU

Year: 15839 Days

Day: 22.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,436,078 km

• M1: 64,626 km (0.108 R)
• M2: 285,882 km (0.079 R)
• M3: 499,507 km (0.074 R)
• M4: 895,343 km (0.096 R)
• M5: 1,240,166 km (0.103 R)
• M6: 3,375,975 km (0.093 R)
• M7: 3,682,352 km (0.079 R)
• M8: 7,454,761 km (0.053 R)
• M9: 8,657,229 km (0.096 R)
• M10: 19,078,815 km (0.058 R)
• M11: 20,295,644 km (0.094 R)
• M12: 23,062,756 km (0.104 R)
• M13: 26,267,741 km (0.104 R)
• M14: 28,700,651 km (0.046 R)
• M15: 36,770,109 km (0.108 R)
• M16: 43,554,971 km (0.063 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 293 - 13,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit