🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.8

Radius: 15

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.19 AU - 1.69 AU

Year: 1152 Days

Day: 8.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,287,470 km

• M1: 186,549 km (0.077 R)
• M2: 1,022,352 km (0.118 R)
• M3: 1,568,384 km (0.099 R)
• M4: 2,222,426 km (0.092 R)
• M5: 3,790,960 km (0.115 R)
• M6: 4,586,820 km (0.045 R)
• M7: 6,751,502 km (0.102 R)
• M8: 7,870,344 km (0.06 R)
• M9: 8,502,694 km (0.059 R)
• M10: 9,021,051 km (0.106 R)
• M11: 10,185,371 km (0.057 R)
• M12: 10,671,714 km (0.079 R)
• M13: 11,831,995 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 135.2

Radius: 8.7

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.25 AU - 1.73 AU

Year: 1213 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,287,470 km

• M1: 108,159 km (0.104 R)
• M2: 486,343 km (0.093 R)
• M3: 811,419 km (0.078 R)
• M4: 1,400,984 km (0.107 R)
• M5: 1,704,369 km (0.099 R)
• M6: 3,289,657 km (0.112 R)
• M7: 3,632,087 km (0.047 R)
• M8: 4,916,833 km (0.086 R)
• M9: 5,331,668 km (0.091 R)
• M10: 5,715,835 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.2

Radius: 14.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.97 AU - 2.53 AU

Year: 2251 Days

Day: 11.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,287,470 km

• M1: 178,321 km (0.038 R)
• M2: 820,245 km (0.118 R)
• M3: 1,286,093 km (0.087 R)
• M4: 2,040,365 km (0.064 R)
• M5: 2,890,231 km (0.086 R)
• M6: 3,760,442 km (0.083 R)
• M7: 5,109,964 km (0.095 R)
• M8: 5,698,332 km (0.106 R)
• M9: 6,149,819 km (0.059 R)
• M10: 7,620,665 km (0.116 R)
• M11: 8,713,627 km (0.097 R)
• M12: 9,908,615 km (0.044 R)
• M13: 10,379,250 km (0.078 R)
• M14: 10,864,994 km (0.074 R)
• M15: 11,642,005 km (0.065 R)
• M16: 12,876,637 km (0.109 R)
• M17: 13,569,873 km (0.113 R)
• M18: 16,394,131 km (0.073 R)
• M19: 17,054,157 km (0.079 R)
• M20: 17,679,177 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.1

Radius: 9.7

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.02 AU - 2.72 AU

Year: 2433 Days

Day: 13.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 45,287,470 km

• M1: 128,056 km (0.09 R)
• M2: 802,144 km (0.088 R)
• M3: 1,201,570 km (0.097 R)
• M4: 1,781,112 km (0.094 R)
• M5: 2,307,098 km (0.089 R)
• M6: 2,770,702 km (0.091 R)
• M7: 4,091,352 km (0.085 R)
• M8: 5,572,221 km (0.081 R)
• M9: 6,386,483 km (0.119 R)
• M10: 7,355,877 km (0.093 R)
• M11: 7,699,952 km (0.051 R)
• M12: 8,027,123 km (0.045 R)
• M13: 8,391,992 km (0.116 R)
• M14: 10,451,356 km (0.114 R)
• M15: 11,938,209 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.9

Radius: 10.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.34 AU - 2.54 AU

Year: 2542 Days

Day: 10.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,287,470 km

• M1: 141,220 km (0.082 R)
• M2: 502,499 km (0.041 R)
• M3: 852,409 km (0.097 R)
• M4: 1,585,139 km (0.116 R)
• M5: 1,975,290 km (0.078 R)
• M6: 2,297,973 km (0.081 R)
• M7: 2,815,133 km (0.108 R)
• M8: 3,256,746 km (0.06 R)
• M9: 3,597,679 km (0.103 R)
• M10: 4,083,872 km (0.115 R)
• M11: 4,925,061 km (0.05 R)
• M12: 5,292,324 km (0.086 R)
• M13: 5,990,647 km (0.09 R)
• M14: 6,505,563 km (0.1 R)
• M15: 6,898,407 km (0.104 R)
• M16: 7,840,574 km (0.098 R)
• M17: 10,141,090 km (0.058 R)
• M18: 10,536,178 km (0.079 R)
• M19: 10,941,738 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.7

Radius: 9.9

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.83 AU - 5.45 AU

Year: 7771 Days

Day: 9.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,287,470 km

• M1: 123,269 km (0.08 R)
• M2: 591,061 km (0.033 R)
• M3: 1,072,617 km (0.102 R)
• M4: 1,455,587 km (0.056 R)
• M5: 2,109,779 km (0.103 R)
• M6: 2,640,702 km (0.106 R)
• M7: 2,970,565 km (0.074 R)
• M8: 3,714,066 km (0.067 R)
• M9: 4,752,575 km (0.114 R)
• M10: 5,701,175 km (0.113 R)
• M11: 6,473,549 km (0.085 R)
• M12: 8,054,649 km (0.115 R)
• M13: 8,799,197 km (0.108 R)
• M14: 9,732,987 km (0.1 R)
• M15: 12,814,853 km (0.081 R)
• M16: 13,405,016 km (0.107 R)
• M17: 14,324,295 km (0.05 R)
• M18: 18,573,623 km (0.09 R)
• M19: 19,100,656 km (0.082 R)
• M20: 20,903,161 km (0.071 R)
• M21: 22,390,912 km (0.109 R)
• M22: 24,214,360 km (0.11 R)
• M23: 28,352,088 km (0.05 R)
• M24: 32,177,754 km (0.064 R)
• M25: 33,599,682 km (0.109 R)
• M26: 34,270,030 km (0.047 R)
• M27: 35,868,633 km (0.069 R)
• M28: 37,875,787 km (0.093 R)
• M29: 42,501,503 km (0.078 R)
• M30: 44,882,204 km (0.102 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 16,862 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit