🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321.1

Radius: 10.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.68 AU - 0.74 AU

Year: 392 Days

Day: 7.1 Hours

Environment

Temp: -147 °C

Axial Tilt: 151 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 33,093,615 km

• M1: 127,308 km (0.073 R)
• M2: 470,336 km (0.111 R)
• M3: 907,909 km (0.12 R)
• M4: 1,278,164 km (0.116 R)
• M5: 1,595,461 km (0.119 R)
• M6: 2,002,517 km (0.115 R)
• M7: 2,635,914 km (0.108 R)
• M8: 3,648,692 km (0.094 R)
• M9: 4,275,208 km (0.068 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 969.1

Radius: 12.2

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.75 AU - 0.95 AU

Year: 514 Days

Day: 13.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,093,615 km

• M1: 151,692 km (0.067 R)
• M2: 551,567 km (0.103 R)
• M3: 1,090,269 km (0.099 R)
• M4: 1,529,937 km (0.057 R)
• M5: 2,285,257 km (0.109 R)
• M6: 2,673,015 km (0.102 R)
• M7: 3,057,332 km (0.117 R)
• M8: 3,504,929 km (0.048 R)
• M9: 5,679,932 km (0.098 R)
• M10: 6,640,051 km (0.054 R)
• M11: 7,074,184 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 12.1

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.41 AU - 1.45 AU

Year: 1122 Days

Day: 11.1 Hours

Environment

Temp: -168 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,093,615 km

• M1: 156,479 km (0.06 R)
• M2: 598,242 km (0.056 R)
• M3: 1,167,462 km (0.076 R)
• M4: 1,702,125 km (0.11 R)
• M5: 2,161,091 km (0.069 R)
• M6: 2,626,939 km (0.065 R)
• M7: 3,544,273 km (0.073 R)
• M8: 4,663,863 km (0.12 R)
• M9: 5,574,615 km (0.116 R)
• M10: 6,482,973 km (0.112 R)
• M11: 7,133,425 km (0.069 R)
• M12: 8,095,040 km (0.066 R)
• M13: 9,589,972 km (0.117 R)
• M14: 10,435,349 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.1

Radius: 8.2

Gravity: 14.62 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.47 AU - 1.91 AU

Year: 1441 Days

Day: 7.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,093,615 km

• M1: 102,026 km (0.06 R)
• M2: 358,436 km (0.116 R)
• M3: 756,816 km (0.095 R)
• M4: 1,039,556 km (0.074 R)
• M5: 1,385,276 km (0.103 R)
• M6: 2,037,074 km (0.084 R)
• M7: 2,584,602 km (0.097 R)
• M8: 3,011,854 km (0.11 R)
• M9: 3,274,398 km (0.059 R)
• M10: 3,654,078 km (0.086 R)
• M11: 4,561,389 km (0.089 R)
• M12: 4,825,579 km (0.059 R)
• M13: 5,208,399 km (0.071 R)
• M14: 6,304,204 km (0.064 R)
• M15: 8,240,599 km (0.116 R)
• M16: 8,757,310 km (0.034 R)
• M17: 9,198,923 km (0.114 R)
• M18: 9,922,827 km (0.06 R)
• M19: 10,755,189 km (0.097 R)
• M20: 12,558,592 km (0.035 R)
• M21: 14,862,548 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935

Radius: 13.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.51 AU - 2.71 AU

Year: 2766 Days

Day: 9.4 Hours

Environment

Temp: -194 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 33,093,615 km

• M1: 171,589 km (0.062 R)
• M2: 695,630 km (0.098 R)
• M3: 1,148,612 km (0.086 R)
• M4: 2,066,844 km (0.095 R)
• M5: 2,775,041 km (0.119 R)
• M6: 4,255,012 km (0.093 R)
• M7: 5,281,403 km (0.091 R)
• M8: 5,880,393 km (0.075 R)
• M9: 7,277,637 km (0.094 R)
• M10: 8,121,668 km (0.052 R)
• M11: 10,200,630 km (0.074 R)
• M12: 11,901,109 km (0.088 R)
• M13: 12,343,021 km (0.049 R)
• M14: 12,888,006 km (0.068 R)
• M15: 15,024,862 km (0.093 R)
• M16: 15,910,631 km (0.117 R)
• M17: 16,997,011 km (0.091 R)
• M18: 18,365,233 km (0.111 R)
• M19: 19,256,836 km (0.108 R)
• M20: 19,928,980 km (0.077 R)
• M21: 21,255,464 km (0.117 R)
• M22: 21,907,561 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.4

Radius: 7.5

Gravity: 12.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.19 AU - 7.29 AU

Year: 10226 Days

Day: 16.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 33,093,615 km

• M1: 93,499 km (0.12 R)
• M2: 468,541 km (0.114 R)
• M3: 712,834 km (0.105 R)
• M4: 962,961 km (0.105 R)
• M5: 2,096,165 km (0.107 R)
• M6: 2,425,281 km (0.098 R)
• M7: 2,746,467 km (0.076 R)
• M8: 3,353,236 km (0.106 R)
• M9: 4,073,400 km (0.081 R)
• M10: 5,816,814 km (0.089 R)
• M11: 6,432,260 km (0.04 R)
• M12: 7,414,818 km (0.059 R)
• M13: 7,792,104 km (0.109 R)
• M14: 8,094,292 km (0.105 R)
• M15: 9,000,855 km (0.115 R)
• M16: 10,227,408 km (0.118 R)
• M17: 11,450,670 km (0.067 R)
• M18: 11,954,964 km (0.102 R)
• M19: 12,650,295 km (0.1 R)
• M20: 17,253,571 km (0.097 R)
• M21: 18,519,618 km (0.061 R)
• M22: 18,826,294 km (0.066 R)
• M23: 19,214,351 km (0.085 R)
• M24: 22,082,142 km (0.096 R)
• M25: 22,951,156 km (0.089 R)
• M26: 24,572,647 km (0.116 R)
• M27: 25,036,251 km (0.046 R)
• M28: 26,559,008 km (0.086 R)
• M29: 28,041,822 km (0.113 R)
• M30: 31,714,898 km (0.076 R)
• M31: 36,410,775 km (0.075 R)
• M32: 44,087,540 km (0.027 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 210.5

Radius: 7

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 6.1 AU - 6.48 AU

Year: 10349 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,093,615 km

• M1: 87,066 km (0.062 R)
• M2: 359,035 km (0.043 R)
• M3: 1,220,120 km (0.076 R)
• M4: 2,345,246 km (0.105 R)
• M5: 2,638,757 km (0.085 R)
• M6: 4,414,035 km (0.118 R)
• M7: 10,977,193 km (0.101 R)
• M8: 13,192,887 km (0.065 R)
• M9: 16,671,486 km (0.118 R)
• M10: 21,747,042 km (0.118 R)
• M11: 24,959,806 km (0.091 R)
• M12: 25,788,878 km (0.064 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 17,280 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit