🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.5

Radius: 12.4

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.94 AU - 1.2 AU

Year: 738 Days

Day: 14.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,575,770 km

• M1: 154,235 km (0.087 R)
• M2: 614,099 km (0.066 R)
• M3: 1,091,616 km (0.117 R)
• M4: 1,802,954 km (0.034 R)
• M5: 2,320,861 km (0.064 R)
• M6: 2,852,981 km (0.046 R)
• M7: 3,548,312 km (0.048 R)
• M8: 4,211,629 km (0.061 R)
• M9: 4,614,795 km (0.091 R)
• M10: 5,277,663 km (0.115 R)
• M11: 5,943,523 km (0.083 R)
• M12: 6,452,904 km (0.103 R)
• M13: 7,214,956 km (0.106 R)
• M14: 8,232,221 km (0.108 R)
• M15: 8,685,652 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 12.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.2 AU - 1.68 AU

Year: 1152 Days

Day: 7 Hours

Environment

Temp: -182 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,575,770 km

• M1: 159,471 km (0.102 R)
• M2: 763,996 km (0.079 R)
• M3: 1,194,090 km (0.053 R)
• M4: 2,121,447 km (0.071 R)
• M5: 2,684,683 km (0.106 R)
• M6: 3,581,074 km (0.034 R)
• M7: 4,161,813 km (0.083 R)
• M8: 4,770,227 km (0.118 R)
• M9: 5,288,135 km (0.116 R)
• M10: 6,716,496 km (0.107 R)
• M11: 9,011,327 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 843.5

Radius: 13.9

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.99 AU - 3.07 AU

Year: 2684 Days

Day: 9 Hours

Environment

Temp: -210 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,575,770 km

• M1: 173,534 km (0.114 R)
• M2: 658,530 km (0.097 R)
• M3: 1,178,682 km (0.116 R)
• M4: 1,917,994 km (0.026 R)
• M5: 2,775,639 km (0.066 R)
• M6: 3,605,009 km (0.099 R)
• M7: 4,417,625 km (0.099 R)
• M8: 4,985,349 km (0.064 R)
• M9: 5,449,252 km (0.088 R)
• M10: 6,722,480 km (0.097 R)
• M11: 7,793,451 km (0.113 R)
• M12: 8,285,927 km (0.056 R)
• M13: 9,443,366 km (0.109 R)
• M14: 10,507,754 km (0.101 R)
• M15: 12,339,880 km (0.025 R)
• M16: 13,056,154 km (0.028 R)
• M17: 15,423,989 km (0.11 R)
• M18: 17,670,800 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.4

Radius: 9.2

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.85 AU - 2.95 AU

Year: 3293 Days

Day: 7.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,575,770 km

• M1: 114,592 km (0.106 R)
• M2: 783,444 km (0.112 R)
• M3: 1,470,846 km (0.042 R)
• M4: 2,207,915 km (0.062 R)
• M5: 2,544,959 km (0.105 R)
• M6: 3,340,820 km (0.063 R)
• M7: 3,676,816 km (0.059 R)
• M8: 3,996,507 km (0.118 R)
• M9: 4,779,054 km (0.102 R)
• M10: 5,069,124 km (0.025 R)
• M11: 5,734,236 km (0.088 R)
• M12: 6,839,465 km (0.074 R)
• M13: 9,501,110 km (0.111 R)
• M14: 10,585,994 km (0.08 R)
• M15: 11,042,268 km (0.115 R)
• M16: 11,591,142 km (0.105 R)
• M17: 11,994,308 km (0.092 R)
• M18: 14,152,108 km (0.086 R)
• M19: 14,941,237 km (0.089 R)
• M20: 16,913,535 km (0.075 R)
• M21: 17,695,932 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 25.8

Radius: 15

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 2.59 AU - 3.39 AU

Year: 3448 Days

Day: 13.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,575,770 km

• M1: 187,745 km (0.1 R)
• M2: 661,971 km (0.094 R)
• M3: 1,197,830 km (0.105 R)
• M4: 2,218,088 km (0.111 R)
• M5: 3,199,599 km (0.101 R)
• M6: 4,180,512 km (0.093 R)
• M7: 4,774,715 km (0.097 R)
• M8: 5,371,760 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.3

Radius: 14

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 3.59 AU - 5.49 AU

Year: 6451 Days

Day: 8 Hours

Environment

Temp: -229 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,575,770 km

• M1: 174,132 km (0.056 R)
• M2: 662,569 km (0.107 R)
• M3: 1,516,773 km (0.072 R)
• M4: 2,215,245 km (0.08 R)
• M5: 2,852,532 km (0.027 R)
• M6: 3,330,647 km (0.117 R)
• M7: 4,217,762 km (0.098 R)
• M8: 4,969,641 km (0.077 R)
• M9: 5,982,419 km (0.106 R)
• M10: 7,428,581 km (0.053 R)
• M11: 9,450,397 km (0.088 R)
• M12: 10,102,195 km (0.12 R)
• M13: 10,914,810 km (0.062 R)
• M14: 11,632,730 km (0.093 R)
• M15: 12,915,233 km (0.11 R)
• M16: 15,930,079 km (0.045 R)
• M17: 18,432,253 km (0.053 R)
• M18: 19,386,388 km (0.118 R)
• M19: 21,601,185 km (0.106 R)
• M20: 23,461,284 km (0.115 R)
• M21: 24,581,922 km (0.095 R)
• M22: 27,010,494 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.3

Radius: 7.1

Gravity: 18.65 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.11 AU - 7.35 AU

Year: 10370 Days

Day: 15.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 54,575,770 km

• M1: 88,263 km (0.07 R)
• M2: 375,341 km (0.077 R)
• M3: 676,482 km (0.028 R)
• M4: 1,196,933 km (0.103 R)
• M5: 1,857,108 km (0.111 R)
• M6: 2,100,354 km (0.092 R)
• M7: 2,325,798 km (0.102 R)
• M8: 3,601,718 km (0.058 R)
• M9: 4,825,279 km (0.05 R)
• M10: 6,459,486 km (0.11 R)
• M11: 8,017,997 km (0.032 R)
• M12: 10,178,938 km (0.083 R)
• M13: 10,555,327 km (0.089 R)
• M14: 12,154,229 km (0.03 R)
• M15: 13,200,217 km (0.071 R)
• M16: 13,842,889 km (0.063 R)
• M17: 14,438,887 km (0.106 R)
• M18: 18,379,894 km (0.113 R)
• M19: 18,697,490 km (0.096 R)
• M20: 21,989,391 km (0.088 R)
• M21: 23,724,876 km (0.102 R)
• M22: 25,255,561 km (0.032 R)
• M23: 25,549,671 km (0.112 R)
• M24: 26,044,989 km (0.032 R)
• M25: 26,749,296 km (0.03 R)
• M26: 37,219,950 km (0.118 R)
• M27: 42,378,833 km (0.087 R)
• M28: 47,100,142 km (0.116 R)
• M29: 53,924,497 km (0.119 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 17,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit