🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.39

Radius: 1.14

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.5 AU - 0.76 AU

Year: 328 Days

Day: 46.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.93 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.4

Radius: 8.1

Gravity: 11.28 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.1 AU - 1.36 AU

Year: 895 Days

Day: 8.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,169,556 km

• M1: 100,829 km (0.058 R)
• M2: 490,382 km (0.099 R)
• M3: 777,011 km (0.116 R)
• M4: 1,494,184 km (0.06 R)
• M5: 2,571,438 km (0.083 R)
• M6: 2,965,329 km (0.112 R)
• M7: 3,342,615 km (0.118 R)
• M8: 3,721,397 km (0.089 R)
• M9: 4,243,194 km (0.112 R)
• M10: 4,547,775 km (0.109 R)
• M11: 4,976,672 km (0.091 R)
• M12: 5,610,369 km (0.057 R)
• M13: 6,296,574 km (0.059 R)
• M14: 6,921,594 km (0.111 R)
• M15: 7,320,871 km (0.053 R)
• M16: 8,799,945 km (0.105 R)
• M17: 9,296,909 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 13.8

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.14 AU - 1.54 AU

Year: 1018 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 49,169,556 km

• M1: 171,589 km (0.094 R)
• M2: 668,254 km (0.051 R)
• M3: 1,202,916 km (0.087 R)
• M4: 1,738,028 km (0.072 R)
• M5: 2,277,628 km (0.085 R)
• M6: 2,740,483 km (0.03 R)
• M7: 3,279,634 km (0.095 R)
• M8: 3,773,157 km (0.105 R)
• M9: 4,673,737 km (0.109 R)
• M10: 6,125,584 km (0.064 R)
• M11: 6,621,501 km (0.082 R)
• M12: 7,055,185 km (0.105 R)
• M13: 7,694,417 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.6

Radius: 14.3

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.68 AU - 2.78 AU

Year: 2185 Days

Day: 13.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,169,556 km

• M1: 177,872 km (0.077 R)
• M2: 678,426 km (0.113 R)
• M3: 1,425,069 km (0.104 R)
• M4: 2,817,078 km (0.103 R)
• M5: 3,600,073 km (0.094 R)
• M6: 4,750,032 km (0.118 R)
• M7: 5,245,201 km (0.059 R)
• M8: 5,885,031 km (0.062 R)
• M9: 6,942,239 km (0.029 R)
• M10: 8,544,731 km (0.105 R)
• M11: 10,779,275 km (0.112 R)
• M12: 12,140,765 km (0.058 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263.7

Radius: 12.2

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 2.14 AU - 2.36 AU

Year: 2214 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,169,556 km

• M1: 151,692 km (0.105 R)
• M2: 621,579 km (0.094 R)
• M3: 1,014,423 km (0.042 R)
• M4: 1,486,105 km (0.093 R)
• M5: 2,902,647 km (0.11 R)
• M6: 3,349,945 km (0.04 R)
• M7: 4,741,505 km (0.111 R)
• M8: 5,344,683 km (0.057 R)
• M9: 8,744,744 km (0.083 R)
• M10: 9,498,118 km (0.092 R)
• M11: 10,658,549 km (0.079 R)
• M12: 11,065,605 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148

Radius: 10.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.14 AU - 2.58 AU

Year: 2378 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,169,556 km

• M1: 125,961 km (0.054 R)
• M2: 517,908 km (0.12 R)
• M3: 1,036,564 km (0.103 R)
• M4: 1,465,610 km (0.115 R)
• M5: 1,806,544 km (0.118 R)
• M6: 2,413,313 km (0.11 R)
• M7: 2,790,449 km (0.097 R)
• M8: 3,379,266 km (0.108 R)
• M9: 3,695,815 km (0.097 R)
• M10: 4,199,811 km (0.1 R)
• M11: 5,167,260 km (0.086 R)
• M12: 5,568,930 km (0.108 R)
• M13: 5,948,011 km (0.069 R)
• M14: 7,190,272 km (0.078 R)
• M15: 7,898,768 km (0.111 R)
• M16: 8,764,640 km (0.119 R)
• M17: 9,278,808 km (0.086 R)
• M18: 9,692,596 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.3

Radius: 9.3

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.76 AU - 5.7 AU

Year: 6748 Days

Day: 12.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 49,169,556 km

• M1: 115,639 km (0.061 R)
• M2: 406,457 km (0.042 R)
• M3: 738,864 km (0.115 R)
• M4: 1,205,460 km (0.113 R)
• M5: 1,704,817 km (0.057 R)
• M6: 2,026,602 km (0.067 R)
• M7: 2,441,886 km (0.073 R)
• M8: 3,076,779 km (0.087 R)
• M9: 3,627,898 km (0.094 R)
• M10: 4,427,947 km (0.064 R)
• M11: 5,072,265 km (0.119 R)
• M12: 6,104,491 km (0.113 R)
• M13: 6,512,743 km (0.049 R)
• M14: 8,127,204 km (0.074 R)
• M15: 9,716,681 km (0.11 R)
• M16: 10,416,649 km (0.084 R)
• M17: 12,021,834 km (0.113 R)
• M18: 13,959,576 km (0.077 R)
• M19: 20,178,808 km (0.045 R)
• M20: 20,478,303 km (0.066 R)
• M21: 22,417,540 km (0.115 R)
• M22: 24,307,111 km (0.107 R)
• M23: 24,816,940 km (0.064 R)
• M24: 26,034,368 km (0.112 R)
• M25: 30,119,886 km (0.055 R)
• M26: 31,705,623 km (0.077 R)
• M27: 35,802,959 km (0.086 R)
• M28: 36,796,289 km (0.076 R)
• M29: 38,149,103 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.5

Radius: 5.1

Gravity: 12.48 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 6.21 AU - 9.97 AU

Year: 15095 Days

Day: 21.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,169,556 km

• M1: 63,429 km (0.031 R)
• M2: 322,084 km (0.112 R)
• M3: 572,212 km (0.076 R)
• M4: 794,514 km (0.072 R)
• M5: 1,959,583 km (0.089 R)
• M6: 2,550,793 km (0.086 R)
• M7: 3,112,832 km (0.117 R)
• M8: 3,374,180 km (0.097 R)
• M9: 3,547,863 km (0.095 R)
• M10: 3,780,189 km (0.081 R)
• M11: 7,625,303 km (0.069 R)
• M12: 12,518,499 km (0.105 R)
• M13: 12,756,061 km (0.068 R)
• M14: 14,766,656 km (0.101 R)
• M15: 21,876,145 km (0.102 R)
• M16: 22,833,123 km (0.098 R)
• M17: 25,775,713 km (0.071 R)
• M18: 33,300,187 km (0.081 R)
• M19: 40,850,242 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 19,501 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit