🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.49 AU - 0.71 AU

Year: 300 Days

Day: 27.4 Hours

Environment

Temp: -120 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,403,178 km

• M1: 16,605 km (0.047 R)
• M2: 29,321 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.4

Radius: 13.3

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.53 AU - 1.61 AU

Year: 1270 Days

Day: 14.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,403,178 km

• M1: 165,455 km (0.05 R)
• M2: 603,179 km (0.071 R)
• M3: 1,311,674 km (0.109 R)
• M4: 1,880,744 km (0.114 R)
• M5: 2,372,173 km (0.081 R)
• M6: 2,922,694 km (0.12 R)
• M7: 3,466,033 km (0.081 R)
• M8: 3,975,414 km (0.115 R)
• M9: 4,571,412 km (0.093 R)
• M10: 5,007,938 km (0.061 R)
• M11: 5,514,028 km (0.057 R)
• M12: 5,965,514 km (0.063 R)
• M13: 7,971,173 km (0.12 R)
• M14: 9,127,564 km (0.1 R)
• M15: 10,984,074 km (0.082 R)
• M16: 11,983,687 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.9

Radius: 11.2

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.54 AU - 1.74 AU

Year: 1356 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,403,178 km

• M1: 139,276 km (0.091 R)
• M2: 550,520 km (0.098 R)
• M3: 1,310,627 km (0.115 R)
• M4: 1,759,271 km (0.112 R)
• M5: 2,574,131 km (0.108 R)
• M6: 3,845,114 km (0.11 R)
• M7: 4,369,455 km (0.115 R)
• M8: 4,839,042 km (0.097 R)
• M9: 6,404,434 km (0.104 R)
• M10: 7,410,929 km (0.093 R)
• M11: 8,196,467 km (0.083 R)
• M12: 9,801,503 km (0.08 R)
• M13: 10,233,542 km (0.063 R)
• M14: 11,279,530 km (0.093 R)
• M15: 12,128,498 km (0.11 R)
• M16: 13,178,824 km (0.115 R)
• M17: 13,870,715 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.9

Radius: 9.8

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.14 AU - 2.26 AU

Year: 2107 Days

Day: 5.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,403,178 km

• M1: 122,072 km (0.1 R)
• M2: 669,450 km (0.102 R)
• M3: 1,238,072 km (0.091 R)
• M4: 2,279,423 km (0.105 R)
• M5: 2,921,497 km (0.119 R)
• M6: 4,441,411 km (0.119 R)
• M7: 5,281,553 km (0.114 R)
• M8: 5,898,195 km (0.105 R)
• M9: 6,482,973 km (0.059 R)
• M10: 7,504,577 km (0.067 R)
• M11: 13,481,162 km (0.065 R)
• M12: 14,677,496 km (0.029 R)
• M13: 15,943,094 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 14.4

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.35 AU - 3.01 AU

Year: 2833 Days

Day: 12.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,403,178 km

• M1: 179,069 km (0.094 R)
• M2: 677,529 km (0.083 R)
• M3: 1,154,596 km (0.085 R)
• M4: 2,558,572 km (0.112 R)
• M5: 3,693,123 km (0.06 R)
• M6: 4,635,739 km (0.111 R)
• M7: 5,093,359 km (0.084 R)
• M8: 5,914,950 km (0.047 R)
• M9: 6,708,567 km (0.078 R)
• M10: 8,780,348 km (0.064 R)
• M11: 9,888,419 km (0.044 R)
• M12: 11,371,832 km (0.098 R)
• M13: 13,043,738 km (0.084 R)
• M14: 14,679,291 km (0.082 R)
• M15: 15,220,536 km (0.094 R)
• M16: 17,356,345 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 533.3

Radius: 14.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 2.2 AU - 3.64 AU

Year: 3222 Days

Day: 9 Hours

Environment

Temp: -208 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,403,178 km

• M1: 182,809 km (0.079 R)
• M2: 678,576 km (0.071 R)
• M3: 1,206,507 km (0.111 R)
• M4: 1,759,570 km (0.062 R)
• M5: 2,540,621 km (0.077 R)
• M6: 4,597,292 km (0.041 R)
• M7: 5,101,886 km (0.089 R)
• M8: 6,901,099 km (0.077 R)
• M9: 8,539,944 km (0.034 R)
• M10: 9,128,462 km (0.104 R)
• M11: 10,271,539 km (0.115 R)
• M12: 12,797,051 km (0.11 R)
• M13: 13,615,501 km (0.078 R)
• M14: 14,468,657 km (0.028 R)
• M15: 15,458,098 km (0.115 R)
• M16: 16,281,783 km (0.075 R)
• M17: 19,338,068 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 102.3

Radius: 7.3

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 9.39 AU - 11.33 AU

Year: 21531 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,403,178 km

• M1: 91,853 km (0.071 R)
• M2: 404,513 km (0.107 R)
• M3: 1,363,585 km (0.079 R)
• M4: 2,639,505 km (0.09 R)
• M5: 5,870,220 km (0.05 R)
• M6: 6,109,128 km (0.106 R)
• M7: 7,844,613 km (0.076 R)
• M8: 13,453,935 km (0.109 R)
• M9: 14,233,938 km (0.099 R)
• M10: 16,551,060 km (0.102 R)
• M11: 19,483,178 km (0.069 R)
• M12: 26,167,660 km (0.115 R)
• M13: 26,910,114 km (0.088 R)
• M14: 31,766,360 km (0.117 R)
• M15: 36,139,704 km (0.072 R)
• M16: 37,060,030 km (0.115 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: 222 - 12,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit