🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 11.8

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.67 AU - 0.75 AU

Year: 386 Days

Day: 5.8 Hours

Environment

Temp: -137 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,633,701 km

• M1: 146,756 km (0.067 R)
• M2: 529,427 km (0.107 R)
• M3: 1,524,552 km (0.097 R)
• M4: 2,300,217 km (0.089 R)
• M5: 2,926,583 km (0.12 R)
• M6: 3,596,183 km (0.082 R)
• M7: 4,016,254 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.1

Radius: 12.9

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.89 AU - 0.91 AU

Year: 551 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,633,701 km

• M1: 160,967 km (0.112 R)
• M2: 600,935 km (0.047 R)
• M3: 1,104,780 km (0.082 R)
• M4: 1,747,602 km (0.054 R)
• M5: 2,425,281 km (0.099 R)
• M6: 2,928,079 km (0.099 R)
• M7: 3,474,560 km (0.105 R)
• M8: 4,031,064 km (0.093 R)
• M9: 5,221,265 km (0.099 R)
• M10: 5,916,895 km (0.085 R)
• M11: 6,836,623 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.4

Radius: 12.2

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.72 AU - 1.1 AU

Year: 561 Days

Day: 13 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,633,701 km

• M1: 151,692 km (0.041 R)
• M2: 532,419 km (0.107 R)
• M3: 1,174,642 km (0.11 R)
• M4: 1,694,495 km (0.082 R)
• M5: 2,086,442 km (0.059 R)
• M6: 3,255,399 km (0.04 R)
• M7: 3,635,827 km (0.098 R)
• M8: 4,115,138 km (0.12 R)
• M9: 4,819,894 km (0.031 R)
• M10: 5,218,123 km (0.083 R)
• M11: 6,080,854 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.3

Radius: 9.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.97 AU - 1.59 AU

Year: 935 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,633,701 km

• M1: 116,986 km (0.11 R)
• M2: 418,724 km (0.116 R)
• M3: 821,891 km (0.026 R)
• M4: 1,143,975 km (0.086 R)
• M5: 1,782,907 km (0.103 R)
• M6: 2,169,917 km (0.077 R)
• M7: 2,845,052 km (0.11 R)
• M8: 3,196,607 km (0.064 R)
• M9: 4,935,383 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.7

Radius: 8.3

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.55 AU - 4.75 AU

Year: 5459 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,633,701 km

• M1: 146,456 km (0.063 R)
• M2: 414,685 km (0.074 R)
• M3: 691,292 km (0.06 R)
• M4: 1,625,979 km (0.056 R)
• M5: 3,220,393 km (0.081 R)
• M6: 3,552,351 km (0.055 R)
• M7: 6,191,407 km (0.118 R)
• M8: 7,118,166 km (0.03 R)
• M9: 7,410,779 km (0.05 R)

Asteroid Belt

Center: 4.8 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 685.8

Radius: 13.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.25 AU - 6.65 AU

Year: 8215 Days

Day: 13.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,633,701 km

• M1: 169,195 km (0.082 R)
• M2: 672,143 km (0.107 R)
• M3: 1,429,258 km (0.097 R)
• M4: 2,360,654 km (0.028 R)
• M5: 2,850,139 km (0.084 R)
• M6: 3,713,318 km (0.063 R)
• M7: 4,141,168 km (0.097 R)
• M8: 6,059,462 km (0.1 R)
• M9: 8,009,021 km (0.111 R)
• M10: 8,555,951 km (0.099 R)
• M11: 9,262,951 km (0.049 R)
• M12: 11,202,337 km (0.071 R)
• M13: 11,887,346 km (0.09 R)
• M14: 14,232,143 km (0.119 R)
• M15: 14,661,489 km (0.077 R)
• M16: 19,145,386 km (0.074 R)
• M17: 19,972,513 km (0.106 R)
• M18: 22,349,623 km (0.095 R)
• M19: 23,014,136 km (0.061 R)
• M20: 24,382,807 km (0.07 R)
• M21: 33,431,983 km (0.08 R)
• M22: 34,852,564 km (0.112 R)
• M23: 36,085,849 km (0.078 R)
• M24: 38,048,722 km (0.12 R)
• M25: 40,693,314 km (0.116 R)
• M26: 41,684,699 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 356.7

Radius: 11.8

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.73 AU - 6.33 AU

Year: 8397 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,633,701 km

• M1: 146,756 km (0.104 R)
• M2: 790,026 km (0.079 R)
• M3: 1,963,472 km (0.061 R)
• M4: 2,334,026 km (0.082 R)
• M5: 2,845,052 km (0.065 R)
• M6: 6,953,608 km (0.096 R)
• M7: 8,410,542 km (0.112 R)
• M8: 9,972,044 km (0.068 R)
• M9: 10,564,153 km (0.045 R)
• M10: 13,441,518 km (0.076 R)
• M11: 18,174,645 km (0.082 R)
• M12: 21,357,639 km (0.056 R)
• M13: 25,730,834 km (0.117 R)
• M14: 28,081,615 km (0.083 R)
• M15: 30,572,270 km (0.044 R)
• M16: 32,017,684 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 370.3

Radius: 5.7

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.07 AU - 7.13 AU

Year: 12215 Days

Day: 17.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 38,633,701 km

• M1: 71,059 km (0.106 R)
• M2: 256,860 km (0.115 R)
• M3: 449,093 km (0.042 R)
• M4: 827,127 km (0.04 R)
• M5: 1,372,560 km (0.105 R)
• M6: 2,030,492 km (0.091 R)
• M7: 2,290,942 km (0.077 R)
• M8: 3,394,974 km (0.049 R)
• M9: 4,157,474 km (0.072 R)
• M10: 4,435,427 km (0.087 R)
• M11: 4,755,268 km (0.091 R)
• M12: 4,966,799 km (0.114 R)
• M13: 5,311,921 km (0.091 R)
• M14: 5,980,324 km (0.074 R)
• M15: 6,262,765 km (0.108 R)
• M16: 6,628,382 km (0.047 R)
• M17: 10,842,854 km (0.105 R)
• M18: 11,051,692 km (0.103 R)
• M19: 11,969,326 km (0.092 R)
• M20: 12,305,023 km (0.11 R)
• M21: 12,532,262 km (0.068 R)
• M22: 13,112,702 km (0.102 R)
• M23: 16,286,271 km (0.075 R)
• M24: 16,977,114 km (0.088 R)
• M25: 22,370,267 km (0.109 R)
• M26: 24,543,775 km (0.079 R)
• M27: 25,543,088 km (0.106 R)
• M28: 28,307,507 km (0.113 R)
• M29: 35,903,788 km (0.099 R)
• M30: 37,785,131 km (0.075 R)
• M31: 42,774,370 km (0.053 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.4

Radius: 4.6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 9.21 AU - 13.17 AU

Year: 24169 Days

Day: 21.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,633,701 km

• M1: 57,296 km (0.11 R)
• M2: 297,550 km (0.066 R)
• M3: 850,763 km (0.093 R)
• M4: 2,075,222 km (0.033 R)
• M5: 2,258,629 km (0.111 R)
• M6: 2,658,055 km (0.095 R)
• M7: 3,060,623 km (0.059 R)
• M8: 3,502,685 km (0.056 R)
• M9: 6,267,552 km (0.066 R)
• M10: 11,868,646 km (0.109 R)
• M11: 12,080,178 km (0.076 R)
• M12: 14,098,851 km (0.108 R)
• M13: 21,327,121 km (0.099 R)
• M14: 22,840,154 km (0.064 R)
• M15: 24,338,078 km (0.073 R)
• M16: 25,989,189 km (0.074 R)
• M17: 27,992,454 km (0.114 R)
• M18: 31,186,668 km (0.11 R)
• M19: 38,172,589 km (0.086 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: 202 - 17,900 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit