🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.4

Radius: 11.7

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.68 AU - 0.98 AU

Year: 496 Days

Day: 6.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,034,716 km

• M1: 145,708 km (0.112 R)
• M2: 533,466 km (0.119 R)
• M3: 902,225 km (0.109 R)
• M4: 1,386,024 km (0.062 R)
• M5: 2,144,934 km (0.107 R)
• M6: 2,708,918 km (0.086 R)
• M7: 3,078,874 km (0.106 R)
• M8: 3,598,128 km (0.117 R)
• M9: 4,588,915 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721

Radius: 11.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.02 AU - 1.68 AU

Year: 1029 Days

Day: 9.7 Hours

Environment

Temp: -164 °C

Axial Tilt: 122.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,034,716 km

• M1: 146,756 km (0.098 R)
• M2: 565,480 km (0.037 R)
• M3: 1,167,911 km (0.111 R)
• M4: 2,031,240 km (0.099 R)
• M5: 3,033,396 km (0.116 R)
• M6: 3,423,398 km (0.056 R)
• M7: 4,006,680 km (0.104 R)
• M8: 4,967,696 km (0.105 R)
• M9: 6,119,600 km (0.05 R)
• M10: 6,886,888 km (0.069 R)
• M11: 7,566,062 km (0.088 R)
• M12: 8,130,644 km (0.025 R)
• M13: 8,833,904 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.3

Radius: 15

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.88 AU - 3.08 AU

Year: 2562 Days

Day: 7.4 Hours

Environment

Temp: -197 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,034,716 km

• M1: 186,698 km (0.101 R)
• M2: 783,594 km (0.09 R)
• M3: 1,478,775 km (0.074 R)
• M4: 2,201,632 km (0.096 R)
• M5: 2,676,755 km (0.076 R)
• M6: 3,187,183 km (0.067 R)
• M7: 3,724,987 km (0.077 R)
• M8: 4,240,202 km (0.086 R)
• M9: 5,342,439 km (0.05 R)
• M10: 6,053,777 km (0.032 R)
• M11: 6,656,507 km (0.115 R)
• M12: 8,047,318 km (0.088 R)
• M13: 9,443,515 km (0.108 R)
• M14: 11,854,434 km (0.043 R)
• M15: 13,705,110 km (0.062 R)
• M16: 14,554,676 km (0.11 R)
• M17: 16,359,126 km (0.107 R)
• M18: 18,648,123 km (0.098 R)
• M19: 20,048,209 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.4

Radius: 13.6

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.48 AU - 2.72 AU

Year: 2750 Days

Day: 10.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,034,716 km

• M1: 173,683 km (0.035 R)
• M2: 1,104,780 km (0.073 R)
• M3: 1,643,781 km (0.103 R)
• M4: 2,977,446 km (0.107 R)
• M5: 4,455,922 km (0.096 R)
• M6: 5,826,538 km (0.109 R)
• M7: 7,653,876 km (0.106 R)
• M8: 8,420,565 km (0.038 R)
• M9: 8,947,897 km (0.076 R)
• M10: 9,761,111 km (0.112 R)
• M11: 10,663,486 km (0.093 R)
• M12: 13,139,929 km (0.115 R)
• M13: 13,995,778 km (0.103 R)
• M14: 14,888,728 km (0.105 R)
• M15: 16,569,460 km (0.071 R)
• M16: 18,607,731 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 271.3

Radius: 13.8

Gravity: 1.42 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 3.41 AU - 4.49 AU

Year: 5150 Days

Day: 14.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 82,034,716 km

• M1: 177,273 km (0.103 R)
• M2: 613,351 km (0.077 R)
• M3: 1,053,767 km (0.11 R)
• M4: 1,662,631 km (0.073 R)
• M5: 3,647,346 km (0.095 R)
• M6: 4,306,324 km (0.096 R)
• M7: 4,899,480 km (0.113 R)
• M8: 5,704,017 km (0.045 R)
• M9: 6,922,193 km (0.079 R)
• M10: 9,229,889 km (0.089 R)
• M11: 9,908,166 km (0.1 R)
• M12: 13,238,514 km (0.082 R)
• M13: 13,906,917 km (0.077 R)
• M14: 14,748,704 km (0.11 R)
• M15: 15,467,073 km (0.106 R)
• M16: 16,155,074 km (0.034 R)
• M17: 17,309,371 km (0.098 R)
• M18: 21,556,156 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.2

Radius: 10.4

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.5 AU - 5.12 AU

Year: 5870 Days

Day: 5.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,034,716 km

• M1: 133,441 km (0.071 R)
• M2: 517,609 km (0.094 R)
• M3: 1,280,558 km (0.117 R)
• M4: 1,820,456 km (0.119 R)
• M5: 2,308,744 km (0.094 R)
• M6: 2,646,087 km (0.036 R)
• M7: 3,134,375 km (0.067 R)
• M8: 3,840,177 km (0.114 R)
• M9: 4,570,664 km (0.097 R)
• M10: 6,021,913 km (0.075 R)
• M11: 6,371,673 km (0.11 R)
• M12: 6,836,323 km (0.065 R)
• M13: 7,394,922 km (0.096 R)
• M14: 10,204,520 km (0.1 R)
• M15: 11,265,019 km (0.082 R)
• M16: 12,550,513 km (0.093 R)
• M17: 13,070,216 km (0.097 R)
• M18: 13,550,126 km (0.082 R)
• M19: 15,886,845 km (0.089 R)
• M20: 18,881,794 km (0.118 R)
• M21: 20,690,881 km (0.088 R)
• M22: 21,416,581 km (0.119 R)
• M23: 22,084,086 km (0.116 R)
• M24: 22,765,355 km (0.095 R)
• M25: 23,227,313 km (0.095 R)
• M26: 23,695,555 km (0.045 R)
• M27: 29,541,840 km (0.105 R)
• M28: 30,091,612 km (0.036 R)
• M29: 31,023,008 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.1

Radius: 8.6

Gravity: 6.17 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.39 AU - 5.45 AU

Year: 6096 Days

Day: 5.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 82,034,716 km

• M1: 108,159 km (0.113 R)
• M2: 900,430 km (0.072 R)
• M3: 1,601,296 km (0.103 R)
• M4: 2,219,284 km (0.088 R)
• M5: 2,592,232 km (0.081 R)
• M6: 2,875,869 km (0.036 R)
• M7: 3,280,083 km (0.118 R)
• M8: 3,548,910 km (0.05 R)
• M9: 3,855,137 km (0.093 R)
• M10: 4,828,570 km (0.119 R)
• M11: 5,177,732 km (0.07 R)
• M12: 5,957,436 km (0.051 R)
• M13: 6,234,042 km (0.089 R)
• M14: 6,913,067 km (0.094 R)
• M15: 7,287,810 km (0.117 R)
• M16: 8,417,872 km (0.105 R)
• M17: 9,411,052 km (0.118 R)
• M18: 11,723,836 km (0.058 R)
• M19: 12,061,628 km (0.093 R)
• M20: 16,220,000 km (0.083 R)
• M21: 17,005,388 km (0.092 R)
• M22: 20,125,850 km (0.053 R)
• M23: 20,891,193 km (0.071 R)
• M24: 22,185,364 km (0.11 R)
• M25: 22,852,122 km (0.062 R)
• M26: 24,695,467 km (0.114 R)
• M27: 25,012,166 km (0.112 R)
• M28: 26,968,906 km (0.071 R)
• M29: 28,070,245 km (0.106 R)
• M30: 29,289,767 km (0.032 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.6

Radius: 14.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 4.66 AU - 6.26 AU

Year: 8369 Days

Day: 7.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,034,716 km

• M1: 181,612 km (0.089 R)
• M2: 691,441 km (0.117 R)
• M3: 1,589,328 km (0.075 R)
• M4: 2,429,170 km (0.118 R)
• M5: 3,061,969 km (0.041 R)
• M6: 4,370,203 km (0.085 R)
• M7: 5,288,434 km (0.037 R)
• M8: 6,360,303 km (0.079 R)
• M9: 6,918,154 km (0.088 R)
• M10: 7,767,271 km (0.038 R)
• M11: 9,151,650 km (0.113 R)
• M12: 11,701,097 km (0.106 R)
• M13: 12,815,152 km (0.109 R)
• M14: 13,374,498 km (0.115 R)
• M15: 15,776,891 km (0.102 R)
• M16: 20,525,875 km (0.101 R)
• M17: 22,344,836 km (0.032 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 645.9

Radius: 4.4

Gravity: 33.36 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 10.34 AU - 11.12 AU

Year: 23057 Days

Day: 17 Hours

Environment

Temp: -241 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 82,034,716 km

• M1: 57,146 km (0.058 R)
• M2: 214,823 km (0.078 R)
• M3: 359,932 km (0.075 R)
• M4: 781,798 km (0.065 R)
• M5: 988,543 km (0.092 R)
• M6: 2,074,922 km (0.059 R)
• M7: 2,544,510 km (0.081 R)
• M8: 2,974,155 km (0.073 R)
• M9: 4,624,519 km (0.095 R)
• M10: 4,992,829 km (0.03 R)
• M11: 5,340,943 km (0.081 R)
• M12: 5,956,538 km (0.076 R)
• M13: 6,896,163 km (0.084 R)
• M14: 7,133,724 km (0.116 R)
• M15: 8,511,969 km (0.095 R)
• M16: 8,785,285 km (0.11 R)
• M17: 13,035,510 km (0.06 R)
• M18: 13,768,689 km (0.117 R)
• M19: 14,145,376 km (0.114 R)
• M20: 16,216,110 km (0.113 R)
• M21: 18,846,190 km (0.092 R)
• M22: 19,592,833 km (0.107 R)
• M23: 21,244,543 km (0.118 R)
• M24: 25,044,030 km (0.066 R)
• M25: 25,267,380 km (0.05 R)
• M26: 28,903,206 km (0.052 R)
• M27: 29,895,040 km (0.112 R)
• M28: 32,473,509 km (0.103 R)
• M29: 40,781,876 km (0.095 R)
• M30: 49,342,015 km (0.095 R)
• M31: 55,921,778 km (0.061 R)
• M32: 66,422,203 km (0.036 R)
• M33: 67,065,174 km (0.083 R)
• M34: 69,458,142 km (0.096 R)
• M35: 73,267,502 km (0.077 R)
• M36: 76,272,624 km (0.071 R)
• M37: 81,299,112 km (0.085 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 306 - 11,167 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit