🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.2

Radius: 13.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.86 AU - 2.16 AU

Year: 1900 Days

Day: 12.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,409,634 km

• M1: 165,754 km (0.098 R)
• M2: 695,481 km (0.079 R)
• M3: 1,529,638 km (0.109 R)
• M4: 2,232,898 km (0.025 R)
• M5: 2,873,476 km (0.114 R)
• M6: 3,916,173 km (0.084 R)
• M7: 5,720,473 km (0.116 R)
• M8: 6,154,307 km (0.112 R)
• M9: 6,636,311 km (0.101 R)
• M10: 7,676,465 km (0.107 R)
• M11: 8,510,174 km (0.104 R)
• M12: 10,218,283 km (0.077 R)
• M13: 10,896,260 km (0.076 R)
• M14: 11,339,668 km (0.103 R)
• M15: 13,318,998 km (0.065 R)
• M16: 14,085,088 km (0.094 R)
• M17: 14,700,983 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.9

Radius: 12.5

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 2.77 AU - 3.61 AU

Year: 3799 Days

Day: 11.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 82,409,634 km

• M1: 155,432 km (0.071 R)
• M2: 577,597 km (0.056 R)
• M3: 1,850,077 km (0.099 R)
• M4: 3,830,304 km (0.079 R)
• M5: 4,760,803 km (0.109 R)
• M6: 8,764,640 km (0.044 R)
• M7: 10,261,965 km (0.102 R)
• M8: 10,797,077 km (0.109 R)
• M9: 13,304,935 km (0.086 R)
• M10: 13,803,695 km (0.067 R)
• M11: 17,760,558 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.6

Radius: 8.8

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 3.83 AU - 4.05 AU

Year: 5215 Days

Day: 8.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,409,634 km

• M1: 109,506 km (0.067 R)
• M2: 393,742 km (0.113 R)
• M3: 809,324 km (0.116 R)
• M4: 1,183,918 km (0.105 R)
• M5: 1,917,246 km (0.103 R)
• M6: 2,645,190 km (0.083 R)
• M7: 3,443,743 km (0.119 R)
• M8: 3,977,209 km (0.048 R)
• M9: 4,322,930 km (0.057 R)
• M10: 4,970,090 km (0.076 R)
• M11: 5,372,060 km (0.096 R)
• M12: 7,646,097 km (0.117 R)
• M13: 7,965,039 km (0.093 R)
• M14: 8,441,359 km (0.043 R)
• M15: 8,897,782 km (0.074 R)
• M16: 9,370,661 km (0.078 R)
• M17: 13,365,672 km (0.053 R)
• M18: 14,250,244 km (0.082 R)
• M19: 14,571,581 km (0.071 R)
• M20: 16,193,670 km (0.1 R)
• M21: 16,898,875 km (0.097 R)
• M22: 17,380,281 km (0.064 R)
• M23: 18,560,159 km (0.068 R)
• M24: 19,463,281 km (0.096 R)
• M25: 19,925,539 km (0.118 R)
• M26: 23,148,326 km (0.086 R)
• M27: 23,817,178 km (0.105 R)
• M28: 26,060,099 km (0.112 R)
• M29: 27,191,807 km (0.07 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 138.4

Radius: 3

Gravity: 15.38 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.83 AU - 7.13 AU

Year: 9752 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,409,634 km

• M1: 37,549 km (0.11 R)
• M2: 146,307 km (0.11 R)
• M3: 360,381 km (0.074 R)
• M4: 522,845 km (0.036 R)
• M5: 690,245 km (0.062 R)
• M6: 1,552,975 km (0.096 R)
• M7: 1,752,539 km (0.055 R)
• M8: 2,011,493 km (0.063 R)
• M9: 2,850,438 km (0.085 R)
• M10: 3,966,139 km (0.052 R)
• M11: 4,533,264 km (0.049 R)
• M12: 5,510,737 km (0.117 R)
• M13: 6,003,662 km (0.05 R)
• M14: 6,337,863 km (0.108 R)
• M15: 7,587,903 km (0.102 R)
• M16: 7,728,376 km (0.088 R)
• M17: 8,344,868 km (0.099 R)
• M18: 9,190,396 km (0.109 R)
• M19: 9,881,687 km (0.111 R)
• M20: 10,049,237 km (0.082 R)
• M21: 10,218,731 km (0.117 R)
• M22: 11,139,805 km (0.098 R)
• M23: 18,163,575 km (0.07 R)
• M24: 23,052,733 km (0.038 R)
• M25: 26,274,024 km (0.054 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 564.9

Radius: 4.7

Gravity: 25.57 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.02 AU - 8.02 AU

Year: 11102 Days

Day: 19.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,409,634 km

• M1: 58,493 km (0.102 R)
• M2: 208,240 km (0.025 R)
• M3: 393,891 km (0.111 R)
• M4: 592,258 km (0.119 R)
• M5: 783,743 km (0.084 R)
• M6: 974,630 km (0.082 R)
• M7: 1,319,453 km (0.081 R)
• M8: 1,606,382 km (0.099 R)
• M9: 2,211,954 km (0.037 R)
• M10: 4,075,495 km (0.049 R)
• M11: 6,481,328 km (0.075 R)
• M12: 8,832,857 km (0.049 R)
• M13: 9,353,457 km (0.102 R)
• M14: 10,096,061 km (0.113 R)
• M15: 10,300,561 km (0.076 R)
• M16: 19,249,656 km (0.103 R)
• M17: 22,813,675 km (0.096 R)
• M18: 24,244,729 km (0.114 R)
• M19: 26,212,389 km (0.099 R)
• M20: 27,581,808 km (0.084 R)
• M21: 31,975,049 km (0.091 R)
• M22: 33,198,161 km (0.066 R)
• M23: 35,149,366 km (0.118 R)
• M24: 42,645,865 km (0.115 R)
• M25: 45,920,413 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386

Radius: 7.3

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.37 AU - 10.57 AU

Year: 17915 Days

Day: 22 Hours

Environment

Temp: -239 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,409,634 km

• M1: 91,105 km (0.096 R)
• M2: 763,847 km (0.116 R)
• M3: 5,404,223 km (0.096 R)
• M4: 6,499,130 km (0.105 R)
• M5: 7,077,625 km (0.098 R)
• M6: 7,600,320 km (0.047 R)
• M7: 10,276,027 km (0.118 R)
• M8: 12,127,151 km (0.039 R)
• M9: 13,456,478 km (0.084 R)
• M10: 16,103,912 km (0.099 R)
• M11: 18,506,005 km (0.09 R)
• M12: 28,513,055 km (0.11 R)
• M13: 30,963,917 km (0.073 R)
• M14: 33,672,686 km (0.087 R)
• M15: 37,698,514 km (0.076 R)
• M16: 40,098,213 km (0.048 R)
• M17: 46,239,655 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 942.5

Radius: 5.7

Gravity: 29.01 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 8.69 AU - 10.11 AU

Year: 19219 Days

Day: 24.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 82,409,634 km

• M1: 73,153 km (0.09 R)
• M2: 401,820 km (0.09 R)
• M3: 844,330 km (0.117 R)
• M4: 1,237,773 km (0.12 R)
• M5: 1,420,133 km (0.05 R)
• M6: 2,099,905 km (0.109 R)
• M7: 2,453,255 km (0.108 R)
• M8: 3,222,189 km (0.092 R)
• M9: 4,107,808 km (0.094 R)
• M10: 4,553,460 km (0.093 R)
• M11: 8,033,256 km (0.118 R)
• M12: 8,784,237 km (0.06 R)
• M13: 9,120,085 km (0.094 R)
• M14: 9,877,050 km (0.045 R)
• M15: 10,057,465 km (0.116 R)
• M16: 11,917,565 km (0.114 R)
• M17: 12,821,435 km (0.073 R)
• M18: 13,919,932 km (0.095 R)
• M19: 14,453,548 km (0.115 R)
• M20: 17,240,855 km (0.094 R)
• M21: 19,317,124 km (0.05 R)
• M22: 20,856,187 km (0.106 R)
• M23: 23,635,566 km (0.052 R)
• M24: 25,733,078 km (0.102 R)
• M25: 36,645,345 km (0.073 R)
• M26: 42,070,362 km (0.118 R)
• M27: 52,078,460 km (0.098 R)
• M28: 60,899,797 km (0.091 R)
• M29: 61,101,754 km (0.095 R)
• M30: 63,354,399 km (0.065 R)
• M31: 75,685,004 km (0.087 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 18,661 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit