🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 156

Radius: 11.4

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.53 AU - 0.57 AU

Year: 282 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,469,098 km

• M1: 142,118 km (0.111 R)
• M2: 561,890 km (0.113 R)
• M3: 981,512 km (0.11 R)
• M4: 1,531,583 km (0.066 R)
• M5: 2,050,987 km (0.058 R)
• M6: 2,558,124 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.7

Radius: 11.1

Gravity: 6.86 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.84 AU - 0.96 AU

Year: 589 Days

Day: 9.8 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,469,098 km

• M1: 138,079 km (0.103 R)
• M2: 554,410 km (0.117 R)
• M3: 922,121 km (0.068 R)
• M4: 1,270,385 km (0.106 R)
• M5: 2,059,813 km (0.117 R)
• M6: 2,418,100 km (0.105 R)
• M7: 2,934,063 km (0.073 R)
• M8: 3,443,145 km (0.038 R)
• M9: 4,158,222 km (0.077 R)
• M10: 4,607,315 km (0.032 R)
• M11: 5,826,687 km (0.113 R)
• M12: 7,011,951 km (0.097 R)
• M13: 7,515,348 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.5

Radius: 11

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.71 AU - 1.15 AU

Year: 619 Days

Day: 5.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 133.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,469,098 km

• M1: 137,181 km (0.025 R)
• M2: 874,998 km (0.11 R)
• M3: 1,221,766 km (0.031 R)
• M4: 2,347,639 km (0.046 R)
• M5: 3,532,305 km (0.104 R)
• M6: 3,921,559 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 962

Radius: 9.3

Gravity: 11.12 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.31 AU - 1.63 AU

Year: 1230 Days

Day: 5.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 37,469,098 km

• M1: 115,639 km (0.07 R)
• M2: 546,930 km (0.071 R)
• M3: 890,407 km (0.093 R)
• M4: 1,388,418 km (0.051 R)
• M5: 1,751,043 km (0.11 R)
• M6: 2,234,543 km (0.065 R)
• M7: 2,591,783 km (0.055 R)
• M8: 3,454,065 km (0.103 R)
• M9: 3,797,392 km (0.098 R)
• M10: 4,668,950 km (0.103 R)
• M11: 5,193,888 km (0.117 R)
• M12: 5,847,930 km (0.07 R)
• M13: 6,434,055 km (0.056 R)
• M14: 6,956,151 km (0.079 R)
• M15: 7,560,228 km (0.058 R)
• M16: 8,752,971 km (0.112 R)
• M17: 9,363,181 km (0.109 R)
• M18: 11,117,665 km (0.054 R)
• M19: 11,436,009 km (0.084 R)
• M20: 12,886,660 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.7

Radius: 9

Gravity: 11.29 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 1.16 AU - 1.85 AU

Year: 1268 Days

Day: 11.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 37,469,098 km

• M1: 112,049 km (0.109 R)
• M2: 398,828 km (0.051 R)
• M3: 775,665 km (0.119 R)
• M4: 1,177,036 km (0.096 R)
• M5: 2,825,156 km (0.095 R)
• M6: 4,120,973 km (0.089 R)
• M7: 4,623,921 km (0.101 R)
• M8: 5,596,606 km (0.061 R)
• M9: 9,807,038 km (0.049 R)
• M10: 10,738,135 km (0.081 R)
• M11: 11,510,210 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 8.6

Gravity: 12.92 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.6 AU - 1.94 AU

Year: 1625 Days

Day: 14.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 37,469,098 km

• M1: 107,561 km (0.119 R)
• M2: 469,887 km (0.09 R)
• M3: 828,024 km (0.06 R)
• M4: 1,314,816 km (0.119 R)
• M5: 1,669,662 km (0.104 R)
• M6: 2,271,494 km (0.111 R)
• M7: 2,686,329 km (0.071 R)
• M8: 2,965,030 km (0.112 R)
• M9: 3,775,102 km (0.049 R)
• M10: 4,418,822 km (0.109 R)
• M11: 5,002,254 km (0.099 R)
• M12: 5,472,739 km (0.077 R)
• M13: 8,099,229 km (0.096 R)
• M14: 9,102,432 km (0.062 R)
• M15: 9,499,166 km (0.094 R)
• M16: 10,398,698 km (0.061 R)
• M17: 11,091,037 km (0.115 R)
• M18: 12,166,944 km (0.065 R)
• M19: 13,565,086 km (0.038 R)
• M20: 15,389,731 km (0.083 R)
• M21: 15,953,416 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.1

Radius: 11.9

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 2.83 AU - 4.41 AU

Year: 4754 Days

Day: 12.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 37,469,098 km

• M1: 147,952 km (0.06 R)
• M2: 620,083 km (0.091 R)
• M3: 1,273,676 km (0.095 R)
• M4: 1,697,487 km (0.079 R)
• M5: 2,277,029 km (0.117 R)
• M6: 2,769,057 km (0.116 R)
• M7: 3,252,407 km (0.116 R)
• M8: 4,037,647 km (0.095 R)
• M9: 7,061,767 km (0.119 R)
• M10: 7,436,959 km (0.109 R)
• M11: 9,599,695 km (0.116 R)
• M12: 10,061,055 km (0.092 R)
• M13: 10,581,207 km (0.106 R)
• M14: 11,864,906 km (0.115 R)
• M15: 13,096,396 km (0.06 R)
• M16: 15,128,982 km (0.096 R)
• M17: 17,057,897 km (0.094 R)
• M18: 17,673,492 km (0.118 R)
• M19: 18,431,654 km (0.037 R)
• M20: 20,628,798 km (0.071 R)
• M21: 21,398,629 km (0.025 R)
• M22: 22,260,014 km (0.117 R)
• M23: 23,369,132 km (0.062 R)
• M24: 24,748,125 km (0.072 R)
• M25: 25,537,404 km (0.07 R)
• M26: 28,690,478 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.9

Radius: 11.4

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 4.85 AU - 6.07 AU

Year: 8806 Days

Day: 8.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,469,098 km

• M1: 141,819 km (0.112 R)
• M2: 797,805 km (0.117 R)
• M3: 1,211,294 km (0.117 R)
• M4: 2,125,935 km (0.055 R)
• M5: 5,093,209 km (0.113 R)
• M6: 7,462,540 km (0.063 R)
• M7: 8,366,859 km (0.113 R)
• M8: 9,167,657 km (0.089 R)
• M9: 9,654,299 km (0.119 R)
• M10: 12,890,250 km (0.047 R)
• M11: 13,501,657 km (0.109 R)
• M12: 17,517,013 km (0.03 R)
• M13: 21,873,153 km (0.095 R)
• M14: 23,308,994 km (0.086 R)
• M15: 24,468,527 km (0.037 R)
• M16: 29,876,640 km (0.097 R)
• M17: 31,843,104 km (0.11 R)
• M18: 35,597,561 km (0.099 R)
• M19: 36,360,510 km (0.116 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 13,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit