🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951

Radius: 12.8

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.92 AU - 1.22 AU

Year: 751 Days

Day: 9.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,356,076 km

• M1: 159,172 km (0.118 R)
• M2: 714,180 km (0.111 R)
• M3: 1,259,913 km (0.089 R)
• M4: 1,802,355 km (0.047 R)
• M5: 2,443,532 km (0.084 R)
• M6: 2,861,358 km (0.081 R)
• M7: 3,313,742 km (0.091 R)
• M8: 3,724,688 km (0.068 R)
• M9: 4,154,034 km (0.09 R)
• M10: 4,896,039 km (0.119 R)
• M11: 6,491,949 km (0.076 R)
• M12: 7,326,855 km (0.068 R)
• M13: 7,733,761 km (0.032 R)
• M14: 8,282,935 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401.6

Radius: 15

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 1.69 AU - 1.73 AU

Year: 1517 Days

Day: 8.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,356,076 km

• M1: 186,549 km (0.081 R)
• M2: 750,383 km (0.096 R)
• M3: 1,389,315 km (0.113 R)
• M4: 1,973,495 km (0.028 R)
• M5: 2,784,316 km (0.092 R)
• M6: 3,427,736 km (0.096 R)
• M7: 4,306,025 km (0.082 R)
• M8: 5,657,043 km (0.078 R)
• M9: 6,351,776 km (0.094 R)
• M10: 7,475,256 km (0.102 R)
• M11: 8,340,680 km (0.06 R)
• M12: 8,840,337 km (0.044 R)
• M13: 9,389,510 km (0.099 R)
• M14: 10,022,908 km (0.112 R)
• M15: 11,375,572 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.9

Radius: 13.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.7 AU - 2.44 AU

Year: 2020 Days

Day: 5.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,356,076 km

• M1: 169,195 km (0.037 R)
• M2: 675,434 km (0.101 R)
• M3: 1,536,819 km (0.097 R)
• M4: 2,338,963 km (0.068 R)
• M5: 3,036,687 km (0.079 R)
• M6: 4,067,417 km (0.082 R)
• M7: 4,965,153 km (0.087 R)
• M8: 10,878,907 km (0.114 R)
• M9: 11,480,589 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.7

Radius: 10.7

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 3.18 AU - 3.32 AU

Year: 3974 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 140.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,356,076 km

• M1: 133,890 km (0.103 R)
• M2: 466,745 km (0.089 R)
• M3: 850,165 km (0.083 R)
• M4: 1,580,202 km (0.038 R)
• M5: 2,408,526 km (0.062 R)
• M6: 3,524,077 km (0.066 R)
• M7: 4,186,646 km (0.116 R)
• M8: 4,955,130 km (0.105 R)
• M9: 5,981,521 km (0.073 R)
• M10: 8,774,514 km (0.119 R)
• M11: 9,599,396 km (0.118 R)
• M12: 10,150,664 km (0.107 R)
• M13: 10,722,876 km (0.044 R)
• M14: 12,431,284 km (0.059 R)
• M15: 12,802,885 km (0.112 R)
• M16: 13,278,008 km (0.104 R)
• M17: 17,687,255 km (0.105 R)
• M18: 18,516,476 km (0.072 R)
• M19: 19,620,359 km (0.117 R)
• M20: 21,490,482 km (0.093 R)
• M21: 22,640,441 km (0.058 R)
• M22: 23,125,587 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.8

Radius: 10.9

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 3.91 AU - 5.23 AU

Year: 6626 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,356,076 km

• M1: 135,536 km (0.093 R)
• M2: 684,560 km (0.063 R)
• M3: 2,056,821 km (0.104 R)
• M4: 3,389,589 km (0.11 R)
• M5: 4,164,805 km (0.087 R)
• M6: 5,025,591 km (0.114 R)
• M7: 5,714,639 km (0.116 R)
• M8: 6,263,513 km (0.033 R)
• M9: 7,355,129 km (0.111 R)
• M10: 8,405,306 km (0.106 R)
• M11: 8,818,794 km (0.112 R)
• M12: 10,898,354 km (0.105 R)
• M13: 16,446,790 km (0.07 R)
• M14: 18,789,642 km (0.065 R)
• M15: 19,212,555 km (0.102 R)
• M16: 21,499,458 km (0.048 R)
• M17: 22,748,151 km (0.119 R)
• M18: 31,077,910 km (0.026 R)
• M19: 32,369,838 km (0.091 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 803.6

Radius: 4.6

Gravity: 37.98 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 5.41 AU - 5.99 AU

Year: 9230 Days

Day: 21.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 38,356,076 km

• M1: 58,194 km (0.091 R)
• M2: 228,586 km (0.061 R)
• M3: 559,945 km (0.101 R)
• M4: 769,831 km (0.117 R)
• M5: 1,063,641 km (0.115 R)
• M6: 2,057,120 km (0.118 R)
• M7: 2,767,561 km (0.082 R)
• M8: 3,166,837 km (0.089 R)
• M9: 3,356,228 km (0.064 R)
• M10: 3,503,133 km (0.111 R)
• M11: 4,190,536 km (0.055 R)
• M12: 4,808,076 km (0.113 R)
• M13: 5,484,258 km (0.099 R)
• M14: 7,386,993 km (0.029 R)
• M15: 10,344,842 km (0.051 R)
• M16: 10,500,125 km (0.049 R)
• M17: 13,881,336 km (0.043 R)
• M18: 14,325,193 km (0.11 R)
• M19: 14,843,998 km (0.105 R)
• M20: 15,174,460 km (0.081 R)
• M21: 15,781,827 km (0.089 R)
• M22: 17,334,354 km (0.087 R)
• M23: 17,480,362 km (0.083 R)
• M24: 21,403,117 km (0.096 R)
• M25: 24,473,164 km (0.091 R)
• M26: 25,401,419 km (0.062 R)
• M27: 25,589,913 km (0.117 R)
• M28: 25,874,298 km (0.12 R)
• M29: 26,740,171 km (0.115 R)
• M30: 30,503,155 km (0.028 R)
• M31: 32,124,198 km (0.113 R)
• M32: 33,236,159 km (0.067 R)
• M33: 33,915,632 km (0.097 R)
• M34: 34,719,871 km (0.064 R)
• M35: 35,419,390 km (0.038 R)
• M36: 38,187,699 km (0.029 R)
• M37: 38,559,150 km (0.109 R)
• M38: 38,808,081 km (0.086 R)
• M39: 44,696,553 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 261.8

Radius: 7.6

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.42 AU - 6.84 AU

Year: 11579 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 38,356,076 km

• M1: 112,049 km (0.096 R)
• M2: 348,713 km (0.079 R)
• M3: 706,850 km (0.05 R)
• M4: 1,076,805 km (0.066 R)
• M5: 1,457,083 km (0.12 R)
• M6: 2,144,635 km (0.087 R)
• M7: 3,843,020 km (0.12 R)
• M8: 5,855,560 km (0.073 R)
• M9: 7,255,198 km (0.097 R)
• M10: 10,602,151 km (0.051 R)
• M11: 13,218,169 km (0.069 R)
• M12: 15,599,019 km (0.117 R)
• M13: 30,870,418 km (0.105 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 12,118 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit