🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 11.6

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.21 AU - 1.95 AU

Year: 1282 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 19,710,673 km

• M1: 144,212 km (0.095 R)
• M2: 578,046 km (0.103 R)
• M3: 991,385 km (0.065 R)
• M4: 1,364,333 km (0.083 R)
• M5: 1,842,896 km (0.035 R)
• M6: 2,303,059 km (0.091 R)
• M7: 2,668,826 km (0.037 R)
• M8: 3,130,934 km (0.091 R)
• M9: 3,567,012 km (0.089 R)
• M10: 4,306,624 km (0.102 R)
• M11: 4,926,258 km (0.072 R)
• M12: 6,485,217 km (0.086 R)
• M13: 6,946,727 km (0.097 R)
• M14: 7,404,047 km (0.089 R)
• M15: 8,266,778 km (0.118 R)
• M16: 9,591,916 km (0.088 R)
• M17: 10,583,900 km (0.114 R)
• M18: 11,572,592 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 14.3

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.42 AU - 2.18 AU

Year: 1559 Days

Day: 13.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,710,673 km

• M1: 177,872 km (0.099 R)
• M2: 698,323 km (0.111 R)
• M3: 1,379,292 km (0.119 R)
• M4: 1,878,052 km (0.058 R)
• M5: 2,442,036 km (0.07 R)
• M6: 2,909,529 km (0.087 R)
• M7: 4,635,290 km (0.074 R)
• M8: 5,822,648 km (0.086 R)
• M9: 6,333,525 km (0.049 R)
• M10: 6,897,659 km (0.12 R)
• M11: 8,257,653 km (0.047 R)
• M12: 9,155,539 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559

Radius: 14.9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 2.21 AU - 2.47 AU

Year: 2311 Days

Day: 11 Hours

Environment

Temp: -200 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 19,710,673 km

• M1: 185,352 km (0.103 R)
• M2: 737,218 km (0.117 R)
• M3: 1,343,688 km (0.084 R)
• M4: 1,973,346 km (0.078 R)
• M5: 2,490,805 km (0.05 R)
• M6: 3,146,791 km (0.108 R)
• M7: 3,861,570 km (0.036 R)
• M8: 4,852,357 km (0.11 R)
• M9: 5,431,300 km (0.105 R)
• M10: 6,702,433 km (0.111 R)
• M11: 7,981,645 km (0.036 R)
• M12: 8,568,368 km (0.113 R)
• M13: 12,026,622 km (0.037 R)
• M14: 12,551,860 km (0.06 R)
• M15: 13,432,842 km (0.03 R)
• M16: 14,042,902 km (0.025 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 365.5

Radius: 13

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.79 AU - 4.41 AU

Year: 4410 Days

Day: 9.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,710,673 km

• M1: 161,715 km (0.098 R)
• M2: 568,472 km (0.074 R)
• M3: 1,276,219 km (0.111 R)
• M4: 1,964,669 km (0.062 R)
• M5: 2,697,250 km (0.072 R)
• M6: 4,413,287 km (0.073 R)
• M7: 5,834,018 km (0.118 R)
• M8: 6,246,908 km (0.096 R)
• M9: 7,131,779 km (0.096 R)
• M10: 9,446,358 km (0.079 R)
• M11: 12,902,966 km (0.058 R)
• M12: 14,787,151 km (0.041 R)
• M13: 15,927,685 km (0.07 R)
• M14: 17,804,391 km (0.099 R)
• M15: 22,191,947 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.4

Radius: 14.8

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.57 AU - 4.17 AU

Year: 4916 Days

Day: 10.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,710,673 km

• M1: 184,005 km (0.077 R)
• M2: 922,869 km (0.117 R)
• M3: 1,443,171 km (0.087 R)
• M4: 2,075,820 km (0.089 R)
• M5: 2,818,873 km (0.084 R)
• M6: 3,478,001 km (0.084 R)
• M7: 4,483,149 km (0.116 R)
• M8: 5,733,189 km (0.099 R)
• M9: 6,408,174 km (0.102 R)
• M10: 6,898,556 km (0.035 R)
• M11: 8,678,472 km (0.116 R)
• M12: 12,768,777 km (0.093 R)
• M13: 13,390,206 km (0.119 R)
• M14: 14,031,682 km (0.1 R)
• M15: 15,261,077 km (0.065 R)
• M16: 18,191,400 km (0.118 R)
• M17: 19,857,771 km (0.105 R)
• M18: 24,269,412 km (0.107 R)
• M19: 25,956,727 km (0.06 R)
• M20: 26,955,292 km (0.09 R)
• M21: 27,464,075 km (0.039 R)
• M22: 30,287,136 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.6

Radius: 11.2

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 3.55 AU - 4.21 AU

Year: 4935 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 19,710,673 km

• M1: 139,874 km (0.076 R)
• M2: 511,774 km (0.03 R)
• M3: 1,538,165 km (0.097 R)
• M4: 1,982,770 km (0.084 R)
• M5: 2,455,948 km (0.106 R)
• M6: 2,875,271 km (0.053 R)
• M7: 4,097,785 km (0.11 R)
• M8: 5,103,232 km (0.07 R)
• M9: 5,946,964 km (0.11 R)
• M10: 6,347,587 km (0.088 R)
• M11: 6,823,608 km (0.111 R)
• M12: 7,413,921 km (0.084 R)
• M13: 8,166,997 km (0.071 R)
• M14: 8,935,780 km (0.078 R)
• M15: 9,642,929 km (0.09 R)
• M16: 11,615,527 km (0.105 R)
• M17: 12,414,828 km (0.091 R)
• M18: 12,982,702 km (0.085 R)
• M19: 14,550,039 km (0.069 R)
• M20: 17,185,654 km (0.088 R)
• M21: 18,729,354 km (0.068 R)
• M22: 19,186,974 km (0.062 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 19,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit