🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.1

Radius: 12.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.72 AU - 0.78 AU

Year: 419 Days

Day: 7.6 Hours

Environment

Temp: -151 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,967,132 km

• M1: 153,039 km (0.113 R)
• M2: 787,483 km (0.05 R)
• M3: 1,656,946 km (0.115 R)
• M4: 2,247,259 km (0.092 R)
• M5: 2,674,062 km (0.082 R)
• M6: 3,187,781 km (0.078 R)
• M7: 3,669,785 km (0.083 R)
• M8: 4,095,242 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.9

Radius: 13.8

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.53 AU - 2.23 AU

Year: 1664 Days

Day: 7.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,967,132 km

• M1: 171,738 km (0.108 R)
• M2: 642,074 km (0.056 R)
• M3: 1,334,712 km (0.077 R)
• M4: 2,112,023 km (0.099 R)
• M5: 2,699,494 km (0.11 R)
• M6: 3,427,138 km (0.115 R)
• M7: 4,115,288 km (0.034 R)
• M8: 4,710,687 km (0.111 R)
• M9: 5,885,779 km (0.069 R)
• M10: 6,695,103 km (0.12 R)
• M11: 7,549,606 km (0.108 R)
• M12: 8,003,486 km (0.094 R)
• M13: 8,997,714 km (0.094 R)
• M14: 9,443,665 km (0.071 R)
• M15: 10,242,817 km (0.099 R)
• M16: 11,268,011 km (0.1 R)
• M17: 11,976,058 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.2

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.8 AU - 4.96 AU

Year: 5919 Days

Day: 13.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 22,967,132 km

• M1: 142,866 km (0.088 R)
• M2: 1,238,222 km (0.08 R)
• M3: 1,634,357 km (0.047 R)
• M4: 2,307,846 km (0.053 R)
• M5: 2,709,816 km (0.083 R)
• M6: 5,384,476 km (0.118 R)
• M7: 5,970,002 km (0.098 R)
• M8: 6,361,201 km (0.078 R)
• M9: 8,997,265 km (0.12 R)
• M10: 11,179,449 km (0.11 R)
• M11: 11,624,951 km (0.098 R)
• M12: 13,195,879 km (0.056 R)
• M13: 14,319,059 km (0.06 R)
• M14: 15,322,861 km (0.032 R)
• M15: 20,982,897 km (0.114 R)
• M16: 25,531,569 km (0.104 R)
• M17: 26,741,816 km (0.102 R)
• M18: 32,765,075 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 11.8

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 4.34 AU - 5.9 AU

Year: 7480 Days

Day: 13.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 113.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 22,967,132 km

• M1: 146,905 km (0.118 R)
• M2: 635,641 km (0.112 R)
• M3: 1,118,842 km (0.056 R)
• M4: 1,527,693 km (0.111 R)
• M5: 2,099,307 km (0.107 R)
• M6: 2,586,846 km (0.11 R)
• M7: 3,149,334 km (0.092 R)
• M8: 3,583,916 km (0.101 R)
• M9: 4,821,240 km (0.09 R)
• M10: 6,324,848 km (0.115 R)
• M11: 6,913,366 km (0.087 R)
• M12: 7,883,957 km (0.064 R)
• M13: 8,402,314 km (0.113 R)
• M14: 9,640,835 km (0.063 R)
• M15: 11,343,109 km (0.107 R)
• M16: 11,798,335 km (0.113 R)
• M17: 12,584,173 km (0.038 R)
• M18: 13,404,568 km (0.108 R)
• M19: 14,671,961 km (0.07 R)
• M20: 15,954,613 km (0.038 R)
• M21: 17,577,600 km (0.115 R)
• M22: 18,953,003 km (0.067 R)
• M23: 19,594,927 km (0.044 R)
• M24: 20,846,912 km (0.1 R)
• M25: 21,530,874 km (0.038 R)
• M26: 22,466,159 km (0.1 R)
• M27: 25,953,884 km (0.119 R)
• M28: 27,282,313 km (0.064 R)
• M29: 30,363,730 km (0.039 R)
• M30: 35,786,803 km (0.095 R)
• M31: 36,220,636 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 317.7

Radius: 4.7

Gravity: 14.38 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 8.63 AU - 11.33 AU

Year: 20357 Days

Day: 24.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 22,967,132 km

• M1: 58,642 km (0.085 R)
• M2: 243,695 km (0.117 R)
• M3: 549,174 km (0.087 R)
• M4: 1,510,490 km (0.114 R)
• M5: 2,677,353 km (0.113 R)
• M6: 3,456,010 km (0.086 R)
• M7: 4,102,123 km (0.12 R)
• M8: 4,252,619 km (0.066 R)
• M9: 4,628,857 km (0.075 R)
• M10: 5,740,968 km (0.095 R)
• M11: 5,929,461 km (0.039 R)
• M12: 6,122,143 km (0.091 R)
• M13: 6,479,533 km (0.073 R)
• M14: 7,105,899 km (0.083 R)
• M15: 9,329,671 km (0.109 R)
• M16: 10,072,425 km (0.033 R)
• M17: 11,318,126 km (0.087 R)
• M18: 11,614,928 km (0.06 R)
• M19: 18,614,164 km (0.087 R)
• M20: 22,280,658 km (0.118 R)
• M21: 28,095,228 km (0.063 R)
• M22: 28,420,903 km (0.109 R)
• M23: 29,190,285 km (0.111 R)
• M24: 29,412,737 km (0.054 R)
• M25: 31,001,167 km (0.097 R)
• M26: 33,247,080 km (0.116 R)
• M27: 34,969,849 km (0.072 R)
• M28: 36,880,662 km (0.08 R)
• M29: 37,140,514 km (0.108 R)
• M30: 42,741,907 km (0.069 R)
• M31: 45,369,294 km (0.116 R)
• M32: 49,667,241 km (0.082 R)
• M33: 53,063,262 km (0.053 R)
• M34: 53,228,718 km (0.06 R)
• M35: 55,752,284 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 63.1

Radius: 7.4

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 9.83 AU - 11.41 AU

Year: 22346 Days

Day: 17.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 159.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 22,967,132 km

• M1: 92,601 km (0.054 R)
• M2: 458,817 km (0.091 R)
• M3: 885,021 km (0.098 R)
• M4: 1,335,759 km (0.085 R)
• M5: 1,857,407 km (0.072 R)
• M6: 2,231,252 km (0.069 R)
• M7: 2,635,765 km (0.089 R)
• M8: 3,257,643 km (0.105 R)
• M9: 3,731,719 km (0.119 R)
• M10: 4,650,549 km (0.092 R)
• M11: 4,959,319 km (0.088 R)
• M12: 5,807,539 km (0.114 R)
• M13: 6,199,336 km (0.12 R)
• M14: 8,144,407 km (0.077 R)
• M15: 9,364,976 km (0.092 R)
• M16: 9,632,158 km (0.118 R)
• M17: 11,292,545 km (0.06 R)
• M18: 12,216,910 km (0.108 R)
• M19: 12,589,708 km (0.111 R)
• M20: 13,868,321 km (0.061 R)
• M21: 14,391,315 km (0.066 R)
• M22: 15,787,961 km (0.12 R)
• M23: 24,229,470 km (0.074 R)
• M24: 26,998,676 km (0.055 R)
• M25: 33,362,868 km (0.1 R)
• M26: 34,196,428 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.9

Radius: 4.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.87 AU - 13.51 AU

Year: 24169 Days

Day: 19.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,967,132 km

• M1: 244,742 km (0.107 R)
• M2: 564,283 km (0.063 R)
• M3: 1,333,067 km (0.071 R)
• M4: 2,919,851 km (0.087 R)
• M5: 6,118,403 km (0.086 R)
• M6: 7,615,280 km (0.065 R)
• M7: 8,895,688 km (0.085 R)
• M8: 9,683,021 km (0.07 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 12,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit