🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332

Radius: 14.5

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.78 AU - 0.78 AU

Year: 467 Days

Day: 10.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,389,249 km

• M1: 180,265 km (0.051 R)
• M2: 841,787 km (0.114 R)
• M3: 1,306,887 km (0.078 R)
• M4: 1,980,377 km (0.111 R)
• M5: 2,508,457 km (0.111 R)
• M6: 3,245,975 km (0.094 R)
• M7: 3,748,474 km (0.083 R)
• M8: 4,420,617 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269

Radius: 13.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.71 AU - 1.03 AU

Year: 550 Days

Day: 7.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,389,249 km

• M1: 162,912 km (0.043 R)
• M2: 570,417 km (0.089 R)
• M3: 1,044,941 km (0.106 R)
• M4: 1,519,166 km (0.1 R)
• M5: 2,020,768 km (0.08 R)
• M6: 2,785,213 km (0.118 R)
• M7: 3,501,637 km (0.071 R)
• M8: 4,053,654 km (0.046 R)
• M9: 4,566,774 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.6

Radius: 14.8

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 1.61 AU - 2.61 AU

Year: 2079 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,389,249 km

• M1: 184,155 km (0.11 R)
• M2: 676,182 km (0.118 R)
• M3: 1,396,047 km (0.094 R)
• M4: 1,871,619 km (0.097 R)
• M5: 2,592,082 km (0.062 R)
• M6: 3,310,302 km (0.114 R)
• M7: 3,788,716 km (0.028 R)
• M8: 4,432,286 km (0.07 R)
• M9: 6,547,899 km (0.051 R)
• M10: 7,507,719 km (0.049 R)
• M11: 8,403,660 km (0.116 R)
• M12: 9,470,293 km (0.101 R)
• M13: 10,444,624 km (0.09 R)
• M14: 13,215,326 km (0.117 R)
• M15: 14,342,845 km (0.082 R)
• M16: 14,976,093 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.6

Radius: 13.5

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.07 AU - 2.27 AU

Year: 2168 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,389,249 km

• M1: 167,849 km (0.096 R)
• M2: 615,296 km (0.103 R)
• M3: 1,138,440 km (0.116 R)
• M4: 1,730,249 km (0.114 R)
• M5: 3,206,930 km (0.104 R)
• M6: 3,915,126 km (0.117 R)
• M7: 4,471,480 km (0.107 R)
• M8: 5,994,686 km (0.058 R)
• M9: 6,903,194 km (0.048 R)
• M10: 8,213,073 km (0.107 R)
• M11: 8,827,621 km (0.094 R)
• M12: 10,331,977 km (0.11 R)
• M13: 11,558,081 km (0.116 R)
• M14: 16,116,627 km (0.084 R)
• M15: 16,721,452 km (0.065 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.4

Radius: 9.4

Gravity: 10.54 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.97 AU - 2.55 AU

Year: 2304 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,389,249 km

• M1: 116,986 km (0.102 R)
• M2: 469,737 km (0.079 R)
• M3: 817,104 km (0.052 R)
• M4: 1,405,921 km (0.119 R)
• M5: 1,901,090 km (0.12 R)
• M6: 2,230,055 km (0.07 R)
• M7: 2,955,456 km (0.098 R)
• M8: 3,258,840 km (0.067 R)
• M9: 3,695,815 km (0.052 R)
• M10: 4,754,968 km (0.09 R)
• M11: 5,102,185 km (0.084 R)
• M12: 5,692,947 km (0.034 R)
• M13: 6,835,875 km (0.058 R)
• M14: 8,222,946 km (0.091 R)
• M15: 10,087,085 km (0.115 R)
• M16: 10,391,068 km (0.077 R)
• M17: 12,870,503 km (0.095 R)
• M18: 15,119,109 km (0.115 R)
• M19: 15,719,744 km (0.065 R)
• M20: 16,077,433 km (0.064 R)
• M21: 19,253,844 km (0.029 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.5

Radius: 12.1

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.19 AU - 3.31 AU

Year: 3093 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,389,249 km

• M1: 151,393 km (0.111 R)
• M2: 581,487 km (0.041 R)
• M3: 1,021,604 km (0.073 R)
• M4: 1,470,248 km (0.114 R)
• M5: 1,959,283 km (0.049 R)
• M6: 2,359,458 km (0.12 R)
• M7: 3,291,004 km (0.062 R)
• M8: 3,841,823 km (0.079 R)
• M9: 5,053,566 km (0.111 R)
• M10: 7,605,855 km (0.069 R)
• M11: 8,148,596 km (0.12 R)
• M12: 9,350,166 km (0.096 R)
• M13: 10,749,953 km (0.111 R)
• M14: 13,273,370 km (0.068 R)
• M15: 15,677,109 km (0.109 R)
• M16: 18,418,041 km (0.111 R)
• M17: 19,336,422 km (0.104 R)
• M18: 20,284,873 km (0.096 R)
• M19: 21,198,018 km (0.114 R)
• M20: 21,866,870 km (0.064 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.1

Radius: 8.8

Gravity: 2.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.01 AU - 3.61 AU

Year: 4084 Days

Day: 10.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,389,249 km

• M1: 109,506 km (0.084 R)
• M2: 416,480 km (0.071 R)
• M3: 902,674 km (0.119 R)
• M4: 1,241,962 km (0.089 R)
• M5: 1,981,873 km (0.076 R)
• M6: 2,311,586 km (0.114 R)
• M7: 2,635,466 km (0.065 R)
• M8: 3,226,676 km (0.06 R)
• M9: 4,168,844 km (0.074 R)
• M10: 5,561,750 km (0.095 R)
• M11: 6,172,408 km (0.083 R)
• M12: 7,820,528 km (0.033 R)
• M13: 11,339,668 km (0.1 R)
• M14: 11,764,526 km (0.115 R)
• M15: 12,361,122 km (0.095 R)
• M16: 13,272,323 km (0.046 R)
• M17: 13,831,520 km (0.102 R)
• M18: 15,936,811 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 338

Radius: 12.2

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.34 AU - 4.66 AU

Year: 5426 Days

Day: 14.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,389,249 km

• M1: 151,842 km (0.089 R)
• M2: 571,913 km (0.062 R)
• M3: 1,019,509 km (0.107 R)
• M4: 1,504,506 km (0.066 R)
• M5: 1,980,975 km (0.104 R)
• M6: 2,605,546 km (0.117 R)
• M7: 3,339,174 km (0.113 R)
• M8: 4,318,741 km (0.084 R)
• M9: 6,686,726 km (0.048 R)
• M10: 7,718,502 km (0.064 R)
• M11: 13,910,807 km (0.073 R)
• M12: 15,861,114 km (0.091 R)
• M13: 17,987,648 km (0.116 R)
• M14: 21,021,044 km (0.05 R)
• M15: 24,233,658 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.5

Radius: 13.6

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 3.98 AU - 4.48 AU

Year: 5901 Days

Day: 13.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,389,249 km

• M1: 170,392 km (0.103 R)
• M2: 780,153 km (0.118 R)
• M3: 1,823,149 km (0.051 R)
• M4: 2,619,758 km (0.114 R)
• M5: 3,303,869 km (0.088 R)
• M6: 3,973,469 km (0.102 R)
• M7: 4,563,633 km (0.111 R)
• M8: 5,211,840 km (0.118 R)
• M9: 9,034,066 km (0.099 R)
• M10: 9,537,163 km (0.054 R)
• M11: 10,306,246 km (0.064 R)
• M12: 12,767,131 km (0.088 R)
• M13: 13,302,841 km (0.096 R)
• M14: 13,752,233 km (0.116 R)
• M15: 17,071,062 km (0.079 R)
• M16: 17,602,284 km (0.064 R)
• M17: 18,635,856 km (0.07 R)
• M18: 19,325,951 km (0.091 R)
• M19: 20,360,121 km (0.075 R)
• M20: 25,019,346 km (0.051 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396

Radius: 7.8

Gravity: 6.51 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 7.84 AU - 8.54 AU

Year: 15897 Days

Day: 19.8 Hours

Environment

Temp: -241 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,389,249 km

• M1: 97,089 km (0.107 R)
• M2: 363,672 km (0.101 R)
• M3: 1,040,304 km (0.034 R)
• M4: 1,505,104 km (0.095 R)
• M5: 1,995,336 km (0.047 R)
• M6: 2,846,997 km (0.076 R)
• M7: 3,123,454 km (0.12 R)
• M8: 3,921,559 km (0.099 R)
• M9: 4,504,541 km (0.043 R)
• M10: 7,730,919 km (0.059 R)
• M11: 9,631,560 km (0.102 R)
• M12: 9,941,377 km (0.026 R)
• M13: 10,966,422 km (0.113 R)
• M14: 11,765,573 km (0.085 R)
• M15: 13,161,920 km (0.104 R)
• M16: 15,423,690 km (0.039 R)
• M17: 17,777,912 km (0.113 R)
• M18: 18,323,046 km (0.08 R)
• M19: 19,364,996 km (0.069 R)
• M20: 19,611,084 km (0.105 R)
• M21: 22,276,320 km (0.103 R)
• M22: 26,060,248 km (0.057 R)
• M23: 26,966,961 km (0.061 R)
• M24: 30,472,189 km (0.027 R)
• M25: 33,321,729 km (0.055 R)
• M26: 38,113,947 km (0.095 R)
• M27: 39,150,660 km (0.09 R)
• M28: 46,352,451 km (0.107 R)
• M29: 46,940,371 km (0.079 R)
• M30: 48,734,199 km (0.12 R)
• M31: 49,037,584 km (0.118 R)
• M32: 52,776,782 km (0.12 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: 532 - 18,149 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit