🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 225.9

Radius: 13.1

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.51 AU - 0.51 AU

Year: 251 Days

Day: 12.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 50,751,393 km

• M1: 163,510 km (0.063 R)
• M2: 584,778 km (0.11 R)
• M3: 1,035,367 km (0.113 R)
• M4: 1,607,878 km (0.079 R)
• M5: 2,373,969 km (0.098 R)
• M6: 2,786,111 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 11

Gravity: 4.89 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.45 AU - 0.71 AU

Year: 305 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 50,751,393 km

• M1: 136,732 km (0.09 R)
• M2: 504,743 km (0.061 R)
• M3: 1,126,921 km (0.079 R)
• M4: 1,663,229 km (0.112 R)
• M5: 2,266,408 km (0.09 R)
• M6: 2,932,417 km (0.066 R)
• M7: 4,079,085 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.2

Radius: 8.1

Gravity: 10.95 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.2 AU - 1.24 AU

Year: 930 Days

Day: 7.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,751,393 km

• M1: 100,829 km (0.096 R)
• M2: 354,846 km (0.081 R)
• M3: 833,859 km (0.096 R)
• M4: 1,229,694 km (0.101 R)
• M5: 1,524,552 km (0.082 R)
• M6: 1,942,977 km (0.112 R)
• M7: 2,505,166 km (0.091 R)
• M8: 3,253,604 km (0.101 R)
• M9: 3,612,789 km (0.073 R)
• M10: 4,159,718 km (0.075 R)
• M11: 4,548,523 km (0.048 R)
• M12: 4,998,364 km (0.092 R)
• M13: 5,398,838 km (0.036 R)
• M14: 5,966,113 km (0.096 R)
• M15: 6,639,752 km (0.082 R)
• M16: 7,907,444 km (0.111 R)
• M17: 8,746,987 km (0.087 R)
• M18: 9,160,326 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 12.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.72 AU - 1.72 AU

Year: 1557 Days

Day: 12 Hours

Environment

Temp: -189 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,751,393 km

• M1: 155,731 km (0.082 R)
• M2: 566,228 km (0.034 R)
• M3: 1,076,506 km (0.081 R)
• M4: 1,695,243 km (0.05 R)
• M5: 2,139,100 km (0.107 R)
• M6: 2,589,689 km (0.057 R)
• M7: 3,239,243 km (0.087 R)
• M8: 3,900,316 km (0.089 R)
• M9: 4,440,962 km (0.094 R)
• M10: 5,816,515 km (0.094 R)
• M11: 6,325,746 km (0.072 R)
• M12: 7,755,752 km (0.074 R)
• M13: 8,242,394 km (0.115 R)
• M14: 9,334,010 km (0.088 R)
• M15: 10,244,612 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 598.8

Radius: 9.5

Gravity: 6.63 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.01 AU - 2.29 AU

Year: 2176 Days

Day: 14.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,751,393 km

• M1: 118,182 km (0.114 R)
• M2: 431,440 km (0.067 R)
• M3: 842,236 km (0.109 R)
• M4: 1,329,177 km (0.064 R)
• M5: 2,406,282 km (0.068 R)
• M6: 2,739,287 km (0.104 R)
• M7: 3,464,986 km (0.06 R)
• M8: 4,156,726 km (0.115 R)
• M9: 4,723,254 km (0.076 R)
• M10: 5,069,573 km (0.066 R)
• M11: 5,549,931 km (0.091 R)
• M12: 6,548,796 km (0.109 R)
• M13: 7,175,163 km (0.102 R)
• M14: 9,463,561 km (0.096 R)
• M15: 10,589,435 km (0.108 R)
• M16: 14,099,599 km (0.038 R)
• M17: 14,592,524 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.4

Radius: 11.5

Gravity: 7.13 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.27 AU - 2.77 AU

Year: 2761 Days

Day: 13.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,751,393 km

• M1: 143,913 km (0.097 R)
• M2: 590,313 km (0.104 R)
• M3: 1,327,980 km (0.055 R)
• M4: 1,904,830 km (0.116 R)
• M5: 3,123,753 km (0.044 R)
• M6: 3,526,471 km (0.108 R)
• M7: 4,047,071 km (0.115 R)
• M8: 5,319,102 km (0.117 R)
• M9: 5,978,529 km (0.118 R)
• M10: 6,931,767 km (0.109 R)
• M11: 7,334,036 km (0.06 R)
• M12: 8,084,119 km (0.114 R)
• M13: 9,101,983 km (0.095 R)
• M14: 10,007,200 km (0.074 R)
• M15: 10,562,507 km (0.094 R)
• M16: 11,096,272 km (0.055 R)
• M17: 11,691,373 km (0.108 R)
• M18: 13,942,970 km (0.112 R)
• M19: 14,787,600 km (0.113 R)
• M20: 16,198,906 km (0.074 R)
• M21: 19,531,049 km (0.106 R)
• M22: 20,715,116 km (0.086 R)
• M23: 21,946,606 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 763.7

Radius: 7.5

Gravity: 13.58 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.62 AU - 6.96 AU

Year: 9617 Days

Day: 24.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,751,393 km

• M1: 93,648 km (0.053 R)
• M2: 347,815 km (0.112 R)
• M3: 1,023,549 km (0.066 R)
• M4: 1,259,913 km (0.075 R)
• M5: 2,292,288 km (0.085 R)
• M6: 2,621,703 km (0.111 R)
• M7: 4,044,229 km (0.113 R)
• M8: 4,797,604 km (0.117 R)
• M9: 6,504,366 km (0.12 R)
• M10: 11,949,579 km (0.084 R)
• M11: 13,183,312 km (0.029 R)
• M12: 15,559,824 km (0.039 R)
• M13: 16,248,124 km (0.111 R)
• M14: 17,245,643 km (0.088 R)
• M15: 20,077,829 km (0.118 R)
• M16: 21,225,843 km (0.109 R)
• M17: 22,765,206 km (0.083 R)
• M18: 25,024,881 km (0.115 R)
• M19: 27,133,314 km (0.03 R)
• M20: 32,693,867 km (0.088 R)
• M21: 37,117,775 km (0.056 R)
• M22: 44,203,777 km (0.058 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.8

Radius: 7.2

Gravity: 10.7 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.79 AU - 6.79 AU

Year: 9617 Days

Day: 15 Hours

Environment

Temp: -221 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,751,393 km

• M1: 89,609 km (0.093 R)
• M2: 338,690 km (0.102 R)
• M3: 907,161 km (0.104 R)
• M4: 1,204,861 km (0.104 R)
• M5: 3,995,610 km (0.099 R)
• M6: 5,169,205 km (0.106 R)
• M7: 5,818,310 km (0.103 R)
• M8: 6,667,427 km (0.066 R)
• M9: 8,092,347 km (0.081 R)
• M10: 8,478,160 km (0.069 R)
• M11: 9,332,962 km (0.098 R)
• M12: 13,628,815 km (0.064 R)
• M13: 13,991,440 km (0.113 R)
• M14: 15,506,866 km (0.096 R)
• M15: 15,902,104 km (0.069 R)
• M16: 17,693,239 km (0.104 R)
• M17: 19,310,392 km (0.109 R)
• M18: 22,498,921 km (0.096 R)
• M19: 25,654,090 km (0.102 R)
• M20: 26,580,250 km (0.103 R)
• M21: 28,011,154 km (0.108 R)
• M22: 34,695,187 km (0.114 R)
• M23: 34,919,584 km (0.063 R)
• M24: 35,258,124 km (0.026 R)
• M25: 36,518,187 km (0.117 R)
• M26: 40,976,502 km (0.114 R)
• M27: 42,882,978 km (0.098 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.2

Radius: 6.7

Gravity: 18.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.78 AU - 9.18 AU

Year: 17045 Days

Day: 24.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,751,393 km

• M1: 85,121 km (0.101 R)
• M2: 420,220 km (0.093 R)
• M3: 802,293 km (0.12 R)
• M4: 1,083,388 km (0.094 R)
• M5: 1,555,219 km (0.065 R)
• M6: 2,259,227 km (0.046 R)
• M7: 3,265,273 km (0.079 R)
• M8: 6,037,770 km (0.063 R)
• M9: 9,125,769 km (0.101 R)
• M10: 14,344,042 km (0.048 R)
• M11: 15,475,301 km (0.09 R)
• M12: 33,756,012 km (0.104 R)
• M13: 34,809,629 km (0.077 R)
• M14: 35,614,017 km (0.064 R)
• M15: 56,780,919 km (0.076 R)
• M16: 67,752,277 km (0.099 R)
• M17: 71,127,953 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 276.9

Radius: 4.5

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.96 AU - 10.06 AU

Year: 17136 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 85.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,751,393 km

• M1: 59,390 km (0.056 R)
• M2: 233,971 km (0.103 R)
• M3: 431,889 km (0.064 R)
• M4: 1,098,796 km (0.073 R)
• M5: 1,551,629 km (0.091 R)
• M6: 1,701,676 km (0.094 R)
• M7: 2,083,898 km (0.057 R)
• M8: 2,401,495 km (0.082 R)
• M9: 3,180,301 km (0.066 R)
• M10: 4,583,828 km (0.12 R)
• M11: 6,392,915 km (0.06 R)
• M12: 7,225,278 km (0.117 R)
• M13: 7,819,032 km (0.069 R)
• M14: 10,049,985 km (0.081 R)
• M15: 13,159,526 km (0.1 R)
• M16: 13,596,202 km (0.037 R)
• M17: 14,630,672 km (0.12 R)
• M18: 19,939,900 km (0.092 R)
• M19: 23,653,967 km (0.066 R)
• M20: 27,600,807 km (0.106 R)
• M21: 28,938,362 km (0.078 R)
• M22: 33,324,122 km (0.109 R)
• M23: 44,488,911 km (0.041 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 235 - 19,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit