🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 603.2

Radius: 9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.49 AU - 0.75 AU

Year: 326 Days

Day: 10.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 33,191,932 km

• M1: 111,899 km (0.114 R)
• M2: 520,301 km (0.096 R)
• M3: 856,149 km (0.1 R)
• M4: 1,165,068 km (0.065 R)
• M5: 1,633,609 km (0.057 R)
• M6: 2,087,489 km (0.112 R)
• M7: 2,409,274 km (0.062 R)
• M8: 2,939,748 km (0.082 R)
• M9: 3,238,495 km (0.098 R)
• M10: 3,837,335 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 62.9

Radius: 13.8

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.52 AU - 0.74 AU

Year: 333 Days

Day: 5.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 33,191,932 km

• M1: 171,738 km (0.037 R)
• M2: 611,855 km (0.088 R)
• M3: 1,072,617 km (0.09 R)
• M4: 1,581,399 km (0.092 R)
• M5: 2,124,589 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.8

Radius: 13.2

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.6 AU - 0.98 AU

Year: 468 Days

Day: 8.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 33,191,932 km

• M1: 164,109 km (0.066 R)
• M2: 629,209 km (0.085 R)
• M3: 1,395,000 km (0.094 R)
• M4: 1,809,386 km (0.118 R)
• M5: 2,326,097 km (0.116 R)
• M6: 2,930,024 km (0.104 R)
• M7: 3,389,589 km (0.07 R)
• M8: 3,991,271 km (0.043 R)
• M9: 4,544,035 km (0.099 R)
• M10: 5,067,179 km (0.112 R)
• M11: 6,272,340 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.8

Radius: 10.2

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.99 AU - 1.15 AU

Year: 738 Days

Day: 8 Hours

Environment

Temp: -177 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 33,191,932 km

• M1: 126,859 km (0.116 R)
• M2: 523,293 km (0.097 R)
• M3: 878,439 km (0.102 R)
• M4: 1,320,351 km (0.102 R)
• M5: 2,321,609 km (0.114 R)
• M6: 3,192,867 km (0.108 R)
• M7: 4,055,598 km (0.091 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.9

Radius: 8.5

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.87 AU - 1.45 AU

Year: 833 Days

Day: 12 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,191,932 km

• M1: 105,766 km (0.095 R)
• M2: 534,364 km (0.112 R)
• M3: 962,214 km (0.094 R)
• M4: 1,242,560 km (0.101 R)
• M5: 1,748,201 km (0.071 R)
• M6: 2,220,032 km (0.12 R)
• M7: 2,785,512 km (0.114 R)
• M8: 3,405,446 km (0.116 R)
• M9: 4,335,945 km (0.115 R)
• M10: 4,612,850 km (0.109 R)
• M11: 5,067,029 km (0.112 R)
• M12: 6,045,998 km (0.111 R)
• M13: 6,530,545 km (0.114 R)
• M14: 6,978,142 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.1

Radius: 8.9

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.99 AU - 1.63 AU

Year: 1000 Days

Day: 10.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 33,191,932 km

• M1: 110,702 km (0.102 R)
• M2: 465,997 km (0.104 R)
• M3: 754,422 km (0.037 R)
• M4: 1,253,780 km (0.055 R)
• M5: 1,557,463 km (0.077 R)
• M6: 1,910,814 km (0.05 R)
• M7: 2,204,923 km (0.106 R)
• M8: 2,768,009 km (0.074 R)
• M9: 4,026,726 km (0.114 R)
• M10: 5,120,885 km (0.067 R)
• M11: 6,287,599 km (0.071 R)
• M12: 7,493,956 km (0.12 R)
• M13: 8,315,697 km (0.104 R)
• M14: 8,593,051 km (0.092 R)
• M15: 10,231,746 km (0.109 R)
• M16: 10,518,376 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539.1

Radius: 11.5

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.87 AU - 5.83 AU

Year: 7123 Days

Day: 7.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 33,191,932 km

• M1: 143,614 km (0.101 R)
• M2: 1,464,563 km (0.051 R)
• M3: 1,838,408 km (0.051 R)
• M4: 3,792,605 km (0.085 R)
• M5: 4,616,590 km (0.081 R)
• M6: 5,114,302 km (0.088 R)
• M7: 5,959,680 km (0.101 R)
• M8: 7,108,741 km (0.079 R)
• M9: 7,622,610 km (0.051 R)
• M10: 8,561,486 km (0.112 R)
• M11: 10,157,695 km (0.094 R)
• M12: 13,373,302 km (0.097 R)
• M13: 14,795,828 km (0.065 R)
• M14: 21,052,609 km (0.032 R)
• M15: 22,037,412 km (0.063 R)
• M16: 24,180,252 km (0.025 R)
• M17: 26,458,777 km (0.041 R)
• M18: 31,341,053 km (0.077 R)
• M19: 32,724,534 km (0.089 R)
• M20: 33,942,410 km (0.117 R)
• M21: 34,875,452 km (0.046 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.2

Radius: 11.3

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.45 AU - 5.65 AU

Year: 7568 Days

Day: 10.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 33,191,932 km

• M1: 140,772 km (0.093 R)
• M2: 752,328 km (0.066 R)
• M3: 1,187,209 km (0.03 R)
• M4: 1,573,470 km (0.078 R)
• M5: 2,107,984 km (0.1 R)
• M6: 3,453,616 km (0.093 R)
• M7: 4,918,928 km (0.028 R)
• M8: 6,655,609 km (0.114 R)
• M9: 7,430,676 km (0.075 R)
• M10: 8,060,932 km (0.097 R)
• M11: 9,978,776 km (0.058 R)
• M12: 10,795,581 km (0.088 R)
• M13: 12,291,111 km (0.1 R)
• M14: 13,745,501 km (0.114 R)
• M15: 16,332,497 km (0.066 R)
• M16: 18,157,591 km (0.055 R)
• M17: 25,484,745 km (0.11 R)
• M18: 27,008,549 km (0.107 R)
• M19: 28,120,211 km (0.12 R)
• M20: 30,040,449 km (0.031 R)
• M21: 32,251,955 km (0.101 R)
• M22: 33,608,508 km (0.118 R)
• M23: 38,948,105 km (0.1 R)

Asteroid Belt

Center: 6.36 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 113.8

Radius: 3.5

Gravity: 9.29 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 6.95 AU - 8.37 AU

Year: 14138 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 33,191,932 km

• M1: 43,683 km (0.115 R)
• M2: 212,130 km (0.111 R)
• M3: 639,680 km (0.103 R)
• M4: 1,060,051 km (0.05 R)
• M5: 1,392,906 km (0.109 R)
• M6: 2,149,123 km (0.119 R)
• M7: 3,207,378 km (0.073 R)
• M8: 4,187,095 km (0.116 R)
• M9: 8,571,210 km (0.03 R)
• M10: 13,805,490 km (0.034 R)
• M11: 15,713,760 km (0.116 R)
• M12: 26,364,082 km (0.064 R)
• M13: 29,097,085 km (0.098 R)
• M14: 30,767,495 km (0.109 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: 259 - 17,769 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit