🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.64 AU - 0.7 AU

Year: 354 Days

Day: 46.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 42.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.6

Radius: 9.7

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.02 AU - 2.16 AU

Year: 1951 Days

Day: 13.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,261,909 km

• M1: 120,576 km (0.111 R)
• M2: 463,454 km (0.075 R)
• M3: 1,124,527 km (0.108 R)
• M4: 1,668,764 km (0.114 R)
• M5: 2,127,282 km (0.068 R)
• M6: 2,574,430 km (0.033 R)
• M7: 3,394,675 km (0.101 R)
• M8: 3,901,064 km (0.042 R)
• M9: 4,284,932 km (0.069 R)
• M10: 4,714,128 km (0.062 R)
• M11: 5,389,413 km (0.119 R)
• M12: 5,796,768 km (0.104 R)
• M13: 6,273,536 km (0.105 R)
• M14: 6,750,604 km (0.108 R)
• M15: 8,063,924 km (0.096 R)
• M16: 10,137,649 km (0.048 R)
• M17: 10,724,671 km (0.103 R)
• M18: 12,819,939 km (0.116 R)
• M19: 13,465,604 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.8

Radius: 9.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.51 AU - 2.55 AU

Year: 2598 Days

Day: 6.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,261,909 km

• M1: 118,182 km (0.087 R)
• M2: 421,268 km (0.09 R)
• M3: 746,493 km (0.066 R)
• M4: 1,085,033 km (0.05 R)
• M5: 1,462,768 km (0.115 R)
• M6: 1,797,418 km (0.083 R)
• M7: 2,208,065 km (0.076 R)
• M8: 2,611,081 km (0.093 R)
• M9: 4,257,705 km (0.112 R)
• M10: 5,322,842 km (0.055 R)
• M11: 6,660,995 km (0.099 R)
• M12: 7,621,712 km (0.101 R)
• M13: 7,971,622 km (0.092 R)
• M14: 9,953,345 km (0.106 R)
• M15: 11,469,519 km (0.116 R)
• M16: 12,085,713 km (0.111 R)
• M17: 13,217,121 km (0.03 R)
• M18: 15,135,415 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.2

Radius: 8.2

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.13 AU - 4.31 AU

Year: 4633 Days

Day: 8.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 50,261,909 km

• M1: 102,475 km (0.109 R)
• M2: 523,293 km (0.035 R)
• M3: 1,130,362 km (0.104 R)
• M4: 1,444,218 km (0.103 R)
• M5: 1,736,981 km (0.054 R)
• M6: 2,172,011 km (0.066 R)
• M7: 4,765,440 km (0.068 R)
• M8: 5,926,469 km (0.082 R)
• M9: 7,176,659 km (0.102 R)
• M10: 8,329,310 km (0.084 R)
• M11: 9,210,143 km (0.106 R)
• M12: 10,918,550 km (0.114 R)
• M13: 11,600,268 km (0.065 R)
• M14: 12,098,279 km (0.035 R)
• M15: 13,226,247 km (0.09 R)
• M16: 13,954,340 km (0.116 R)
• M17: 14,950,213 km (0.038 R)
• M18: 16,350,748 km (0.09 R)
• M19: 18,277,269 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 8.3

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.61 AU - 5.63 AU

Year: 6412 Days

Day: 9.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,261,909 km

• M1: 104,120 km (0.095 R)
• M2: 384,915 km (0.075 R)
• M3: 782,397 km (0.102 R)
• M4: 1,202,019 km (0.1 R)
• M5: 1,645,427 km (0.112 R)
• M6: 2,109,330 km (0.043 R)
• M7: 3,864,562 km (0.045 R)
• M8: 4,637,384 km (0.089 R)
• M9: 5,870,370 km (0.089 R)
• M10: 6,826,300 km (0.106 R)
• M11: 8,057,042 km (0.103 R)
• M12: 8,449,886 km (0.112 R)
• M13: 8,930,694 km (0.091 R)
• M14: 10,694,004 km (0.116 R)
• M15: 12,441,008 km (0.113 R)
• M16: 14,112,315 km (0.098 R)
• M17: 14,842,203 km (0.104 R)
• M18: 20,606,209 km (0.072 R)
• M19: 21,139,226 km (0.101 R)
• M20: 22,512,236 km (0.113 R)
• M21: 24,607,354 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 512.9

Radius: 5.2

Gravity: 18.97 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 5.83 AU - 6.68 AU

Year: 10089 Days

Day: 22.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,261,909 km

• M1: 64,776 km (0.118 R)
• M2: 319,691 km (0.092 R)
• M3: 815,458 km (0.114 R)
• M4: 1,045,091 km (0.03 R)
• M5: 1,354,459 km (0.037 R)
• M6: 1,650,065 km (0.069 R)
• M7: 2,104,393 km (0.075 R)
• M8: 5,932,453 km (0.118 R)
• M9: 8,638,828 km (0.065 R)
• M10: 8,952,535 km (0.036 R)
• M11: 9,273,722 km (0.037 R)
• M12: 9,842,194 km (0.095 R)
• M13: 14,740,925 km (0.067 R)
• M14: 18,582,150 km (0.112 R)
• M15: 22,114,305 km (0.057 R)
• M16: 24,613,188 km (0.106 R)
• M17: 27,774,939 km (0.063 R)
• M18: 32,469,320 km (0.09 R)
• M19: 40,212,356 km (0.061 R)
• M20: 43,782,809 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 460

Radius: 6.3

Gravity: 11.59 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.43 AU - 7.45 AU

Year: 13103 Days

Day: 15.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,261,909 km

• M1: 88,113 km (0.104 R)
• M2: 1,133,503 km (0.093 R)
• M3: 2,139,100 km (0.056 R)
• M4: 7,216,302 km (0.062 R)
• M5: 9,971,446 km (0.104 R)
• M6: 11,865,654 km (0.113 R)
• M7: 12,686,498 km (0.086 R)
• M8: 13,481,910 km (0.11 R)
• M9: 18,115,554 km (0.113 R)
• M10: 20,167,588 km (0.08 R)
• M11: 22,282,154 km (0.097 R)
• M12: 26,452,643 km (0.037 R)
• M13: 32,897,021 km (0.096 R)
• M14: 43,104,532 km (0.073 R)
• M15: 43,376,800 km (0.055 R)
• M16: 45,174,967 km (0.112 R)
• M17: 45,738,053 km (0.105 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: 427 - 14,703 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit