🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411.3

Radius: 11.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 0.92 AU - 1 AU

Year: 607 Days

Day: 11.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,158,260 km

• M1: 145,559 km (0.035 R)
• M2: 563,086 km (0.099 R)
• M3: 936,034 km (0.098 R)
• M4: 1,342,342 km (0.056 R)
• M5: 2,256,684 km (0.118 R)
• M6: 2,628,435 km (0.07 R)
• M7: 3,200,198 km (0.1 R)
• M8: 3,711,074 km (0.087 R)
• M9: 4,095,092 km (0.112 R)
• M10: 4,991,034 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266

Radius: 14.9

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 1.05 AU - 1.29 AU

Year: 817 Days

Day: 9.1 Hours

Environment

Temp: -159 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,158,260 km

• M1: 185,352 km (0.119 R)
• M2: 712,086 km (0.069 R)
• M3: 1,339,499 km (0.082 R)
• M4: 2,171,114 km (0.093 R)
• M5: 2,789,103 km (0.064 R)
• M6: 3,523,778 km (0.111 R)
• M7: 4,666,556 km (0.033 R)
• M8: 5,283,348 km (0.107 R)
• M9: 5,794,524 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.5

Radius: 13.4

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 1.14 AU - 1.3 AU

Year: 870 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 50,158,260 km

• M1: 167,400 km (0.091 R)
• M2: 665,411 km (0.09 R)
• M3: 1,107,174 km (0.115 R)
• M4: 1,753,885 km (0.101 R)
• M5: 2,489,309 km (0.103 R)
• M6: 3,656,471 km (0.098 R)
• M7: 4,113,642 km (0.106 R)
• M8: 4,798,800 km (0.091 R)
• M9: 5,279,907 km (0.102 R)
• M10: 5,977,931 km (0.093 R)
• M11: 6,797,727 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.7

Radius: 14

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.81 AU - 1.83 AU

Year: 1585 Days

Day: 7.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,158,260 km

• M1: 174,132 km (0.075 R)
• M2: 652,396 km (0.039 R)
• M3: 1,109,867 km (0.087 R)
• M4: 1,910,365 km (0.076 R)
• M5: 2,760,230 km (0.105 R)
• M6: 3,453,168 km (0.09 R)
• M7: 4,549,570 km (0.071 R)
• M8: 5,888,771 km (0.102 R)
• M9: 6,459,935 km (0.107 R)
• M10: 6,943,136 km (0.1 R)
• M11: 7,901,460 km (0.034 R)
• M12: 8,398,574 km (0.1 R)
• M13: 10,241,470 km (0.084 R)
• M14: 11,728,922 km (0.1 R)
• M15: 12,377,429 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.8

Radius: 14.7

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.74 AU - 2.32 AU

Year: 1867 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 50,158,260 km

• M1: 182,809 km (0.095 R)
• M2: 642,224 km (0.101 R)
• M3: 1,254,677 km (0.092 R)
• M4: 1,961,976 km (0.114 R)
• M5: 3,464,088 km (0.096 R)
• M6: 4,082,376 km (0.042 R)
• M7: 4,706,199 km (0.117 R)
• M8: 6,751,801 km (0.102 R)
• M9: 7,984,786 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255

Radius: 12.9

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 3.15 AU - 3.79 AU

Year: 4174 Days

Day: 6.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,158,260 km

• M1: 160,369 km (0.052 R)
• M2: 924,365 km (0.096 R)
• M3: 1,843,195 km (0.072 R)
• M4: 2,259,227 km (0.118 R)
• M5: 3,101,164 km (0.06 R)
• M6: 3,623,111 km (0.094 R)
• M7: 4,645,911 km (0.075 R)
• M8: 5,380,736 km (0.041 R)
• M9: 6,352,374 km (0.113 R)
• M10: 7,347,799 km (0.109 R)
• M11: 8,313,902 km (0.109 R)
• M12: 9,292,721 km (0.052 R)
• M13: 10,011,389 km (0.107 R)
• M14: 10,460,182 km (0.078 R)
• M15: 11,682,397 km (0.119 R)
• M16: 12,138,222 km (0.058 R)
• M17: 14,503,663 km (0.049 R)
• M18: 15,820,124 km (0.089 R)
• M19: 16,897,977 km (0.075 R)
• M20: 17,643,423 km (0.096 R)
• M21: 18,521,862 km (0.041 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.6

Radius: 12.2

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 3.8 AU - 4.72 AU

Year: 5677 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,158,260 km

• M1: 152,440 km (0.078 R)
• M2: 573,409 km (0.116 R)
• M3: 1,545,944 km (0.085 R)
• M4: 4,428,995 km (0.066 R)
• M5: 5,041,598 km (0.09 R)
• M6: 7,122,504 km (0.06 R)
• M7: 8,260,495 km (0.062 R)
• M8: 8,640,025 km (0.092 R)
• M9: 12,600,629 km (0.082 R)
• M10: 16,775,456 km (0.111 R)
• M11: 17,947,855 km (0.087 R)
• M12: 18,715,890 km (0.088 R)
• M13: 21,081,631 km (0.049 R)
• M14: 23,716,349 km (0.111 R)
• M15: 25,112,845 km (0.119 R)
• M16: 25,831,214 km (0.038 R)
• M17: 27,814,283 km (0.073 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889.3

Radius: 14

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.59 AU - 6.33 AU

Year: 9395 Days

Day: 9.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,158,260 km

• M1: 175,628 km (0.083 R)
• M2: 684,859 km (0.036 R)
• M3: 1,470,397 km (0.045 R)
• M4: 2,053,231 km (0.107 R)
• M5: 3,278,138 km (0.111 R)
• M6: 3,824,619 km (0.111 R)
• M7: 4,549,122 km (0.087 R)
• M8: 5,530,932 km (0.088 R)
• M9: 6,649,775 km (0.101 R)
• M10: 7,489,917 km (0.099 R)
• M11: 8,444,949 km (0.089 R)
• M12: 10,756,237 km (0.108 R)
• M13: 13,154,739 km (0.089 R)
• M14: 14,939,891 km (0.09 R)
• M15: 16,239,896 km (0.083 R)
• M16: 17,913,298 km (0.091 R)
• M17: 19,538,978 km (0.09 R)
• M18: 20,265,126 km (0.111 R)
• M19: 28,139,060 km (0.111 R)
• M20: 30,762,409 km (0.069 R)
• M21: 31,525,208 km (0.111 R)
• M22: 32,862,314 km (0.092 R)
• M23: 38,716,677 km (0.097 R)
• M24: 41,557,840 km (0.095 R)
• M25: 48,968,170 km (0.117 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: 398 - 16,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit