🌌 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: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.4

Radius: 14.4

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.41 AU - 0.63 AU

Year: 254 Days

Day: 9.5 Hours

Environment

Temp: -138 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 38,614,700 km

• M1: 179,218 km (0.076 R)
• M2: 660,923 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.4

Radius: 11.9

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.11 AU - 1.55 AU

Year: 1040 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 38,614,700 km

• M1: 148,401 km (0.116 R)
• M2: 574,456 km (0.076 R)
• M3: 976,425 km (0.111 R)
• M4: 1,448,556 km (0.119 R)
• M5: 1,888,823 km (0.105 R)
• M6: 2,314,429 km (0.118 R)
• M7: 2,843,556 km (0.051 R)
• M8: 3,347,851 km (0.12 R)
• M9: 4,500,802 km (0.109 R)
• M10: 5,454,189 km (0.047 R)
• M11: 6,259,773 km (0.061 R)
• M12: 7,142,999 km (0.085 R)
• M13: 8,026,225 km (0.07 R)
• M14: 9,275,367 km (0.073 R)
• M15: 10,040,710 km (0.112 R)
• M16: 10,422,783 km (0.096 R)
• M17: 11,047,653 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 10.2

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.38 AU - 1.94 AU

Year: 1451 Days

Day: 7 Hours

Environment

Temp: -192 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,614,700 km

• M1: 127,308 km (0.076 R)
• M2: 527,183 km (0.09 R)
• M3: 1,157,888 km (0.079 R)
• M4: 1,621,641 km (0.066 R)
• M5: 2,032,586 km (0.117 R)
• M6: 2,368,284 km (0.118 R)
• M7: 2,887,538 km (0.082 R)
• M8: 3,435,366 km (0.11 R)
• M9: 4,172,434 km (0.056 R)
• M10: 5,356,352 km (0.101 R)
• M11: 5,936,941 km (0.036 R)
• M12: 6,487,760 km (0.118 R)
• M13: 8,262,739 km (0.113 R)
• M14: 9,520,708 km (0.094 R)
• M15: 10,147,373 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.4

Radius: 14.3

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.01 AU - 3.35 AU

Year: 2976 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,614,700 km

• M1: 177,872 km (0.079 R)
• M2: 632,649 km (0.082 R)
• M3: 1,201,271 km (0.111 R)
• M4: 1,674,150 km (0.117 R)
• M5: 2,836,376 km (0.034 R)
• M6: 3,757,151 km (0.081 R)
• M7: 4,483,448 km (0.095 R)
• M8: 7,803,623 km (0.119 R)
• M9: 10,137,799 km (0.114 R)
• M10: 10,687,272 km (0.091 R)
• M11: 12,859,882 km (0.1 R)
• M12: 14,709,510 km (0.101 R)
• M13: 15,312,838 km (0.074 R)
• M14: 15,932,622 km (0.084 R)
• M15: 17,388,509 km (0.117 R)
• M16: 18,755,683 km (0.042 R)
• M17: 20,009,613 km (0.108 R)
• M18: 20,564,023 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 10.3

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.59 AU - 3.05 AU

Year: 3212 Days

Day: 7.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,614,700 km

• M1: 128,205 km (0.115 R)
• M2: 452,683 km (0.104 R)
• M3: 982,559 km (0.057 R)
• M4: 1,322,744 km (0.062 R)
• M5: 2,139,698 km (0.12 R)
• M6: 3,029,357 km (0.117 R)
• M7: 4,554,657 km (0.063 R)
• M8: 4,986,546 km (0.118 R)
• M9: 5,740,070 km (0.087 R)
• M10: 6,273,836 km (0.083 R)
• M11: 6,809,695 km (0.071 R)
• M12: 7,803,923 km (0.095 R)
• M13: 9,999,271 km (0.111 R)
• M14: 15,251,353 km (0.075 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.2

Radius: 12.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 2.78 AU - 4.24 AU

Year: 4460 Days

Day: 7.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 38,614,700 km

• M1: 156,629 km (0.104 R)
• M2: 675,883 km (0.094 R)
• M3: 1,081,593 km (0.085 R)
• M4: 3,544,572 km (0.076 R)
• M5: 4,415,232 km (0.117 R)
• M6: 5,546,790 km (0.085 R)
• M7: 9,082,835 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 8.9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.93 AU - 4.13 AU

Year: 5487 Days

Day: 13.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,614,700 km

• M1: 110,702 km (0.09 R)
• M2: 500,405 km (0.12 R)
• M3: 1,233,434 km (0.041 R)
• M4: 1,697,487 km (0.064 R)
• M5: 2,259,975 km (0.067 R)
• M6: 3,340,670 km (0.051 R)
• M7: 5,205,408 km (0.111 R)
• M8: 6,214,445 km (0.072 R)
• M9: 9,055,608 km (0.09 R)
• M10: 11,443,190 km (0.105 R)
• M11: 12,432,032 km (0.071 R)
• M12: 14,785,655 km (0.115 R)
• M13: 15,903,002 km (0.119 R)
• M14: 17,421,270 km (0.117 R)
• M15: 20,098,773 km (0.114 R)
• M16: 20,613,390 km (0.112 R)
• M17: 21,269,077 km (0.108 R)
• M18: 22,969,257 km (0.112 R)
• M19: 23,888,087 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638

Radius: 8.9

Gravity: 8.05 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.6 AU - 5.32 AU

Year: 7492 Days

Day: 12.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 38,614,700 km

• M1: 110,702 km (0.11 R)
• M2: 391,797 km (0.054 R)
• M3: 1,089,222 km (0.088 R)
• M4: 1,952,402 km (0.114 R)
• M5: 2,983,730 km (0.092 R)
• M6: 3,549,658 km (0.079 R)
• M7: 3,858,578 km (0.052 R)
• M8: 4,668,501 km (0.094 R)
• M9: 6,622,249 km (0.091 R)
• M10: 7,055,335 km (0.117 R)
• M11: 7,392,528 km (0.091 R)
• M12: 8,180,460 km (0.104 R)
• M13: 11,281,325 km (0.083 R)
• M14: 11,691,223 km (0.093 R)
• M15: 12,217,509 km (0.076 R)
• M16: 16,160,460 km (0.053 R)
• M17: 17,013,018 km (0.065 R)
• M18: 17,416,483 km (0.108 R)
• M19: 19,094,672 km (0.094 R)
• M20: 19,530,451 km (0.101 R)
• M21: 21,652,796 km (0.051 R)
• M22: 22,446,562 km (0.036 R)
• M23: 26,082,688 km (0.117 R)
• M24: 26,619,296 km (0.112 R)
• M25: 27,254,787 km (0.062 R)
• M26: 28,180,050 km (0.066 R)
• M27: 32,811,301 km (0.104 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 16,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit