🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 14.2

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.88 AU - 0.98 AU

Year: 598 Days

Day: 14.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 23,574,823 km

• M1: 176,675 km (0.08 R)
• M2: 865,573 km (0.12 R)
• M3: 1,735,186 km (0.073 R)
• M4: 2,210,309 km (0.108 R)
• M5: 4,701,412 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.6

Radius: 12.5

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.25 AU - 1.61 AU

Year: 1140 Days

Day: 11.1 Hours

Environment

Temp: -184 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,574,823 km

• M1: 155,731 km (0.118 R)
• M2: 559,945 km (0.094 R)
• M3: 1,010,982 km (0.119 R)
• M4: 1,612,515 km (0.082 R)
• M5: 2,252,046 km (0.076 R)
• M6: 2,661,496 km (0.096 R)
• M7: 3,349,646 km (0.103 R)
• M8: 3,781,535 km (0.115 R)
• M9: 4,348,960 km (0.111 R)
• M10: 4,918,479 km (0.101 R)
• M11: 6,207,564 km (0.1 R)
• M12: 7,325,808 km (0.097 R)
• M13: 7,983,141 km (0.111 R)
• M14: 8,759,404 km (0.092 R)
• M15: 9,613,608 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.7

Radius: 14.3

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.98 AU - 2.34 AU

Year: 2117 Days

Day: 9.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,574,823 km

• M1: 177,872 km (0.077 R)
• M2: 767,587 km (0.091 R)
• M3: 1,310,777 km (0.109 R)
• M4: 1,758,224 km (0.076 R)
• M5: 2,671,070 km (0.085 R)
• M6: 3,736,656 km (0.091 R)
• M7: 4,181,859 km (0.077 R)
• M8: 5,523,453 km (0.119 R)
• M9: 6,079,508 km (0.099 R)
• M10: 6,915,162 km (0.117 R)
• M11: 7,915,672 km (0.117 R)
• M12: 8,404,109 km (0.107 R)
• M13: 9,645,921 km (0.112 R)
• M14: 10,347,086 km (0.112 R)
• M15: 11,890,787 km (0.115 R)
• M16: 13,240,908 km (0.114 R)
• M17: 14,555,125 km (0.108 R)
• M18: 15,954,613 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 11.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.76 AU - 4.42 AU

Year: 4536 Days

Day: 11.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,574,823 km

• M1: 145,858 km (0.082 R)
• M2: 768,634 km (0.088 R)
• M3: 1,134,999 km (0.107 R)
• M4: 2,195,199 km (0.107 R)
• M5: 2,633,970 km (0.106 R)
• M6: 3,131,383 km (0.066 R)
• M7: 4,086,864 km (0.112 R)
• M8: 4,599,536 km (0.072 R)
• M9: 5,082,887 km (0.106 R)
• M10: 6,097,908 km (0.106 R)
• M11: 6,944,483 km (0.064 R)
• M12: 7,488,869 km (0.111 R)
• M13: 8,940,567 km (0.116 R)
• M14: 9,882,136 km (0.111 R)
• M15: 10,377,006 km (0.118 R)
• M16: 11,499,588 km (0.066 R)
• M17: 15,202,584 km (0.119 R)
• M18: 16,122,163 km (0.072 R)
• M19: 17,681,122 km (0.083 R)
• M20: 18,468,755 km (0.096 R)
• M21: 19,397,309 km (0.098 R)
• M22: 20,601,422 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.8

Radius: 10.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 3.16 AU - 4.68 AU

Year: 5176 Days

Day: 12.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 23,574,823 km

• M1: 130,300 km (0.114 R)
• M2: 590,463 km (0.054 R)
• M3: 1,282,353 km (0.106 R)
• M4: 2,201,632 km (0.082 R)
• M5: 2,888,436 km (0.113 R)
• M6: 5,231,587 km (0.102 R)
• M7: 5,737,378 km (0.095 R)
• M8: 6,754,344 km (0.099 R)
• M9: 7,354,531 km (0.068 R)
• M10: 7,819,182 km (0.053 R)
• M11: 8,992,627 km (0.074 R)
• M12: 11,596,677 km (0.104 R)
• M13: 12,738,408 km (0.108 R)
• M14: 13,853,361 km (0.079 R)
• M15: 14,511,741 km (0.043 R)
• M16: 15,511,354 km (0.095 R)
• M17: 18,602,645 km (0.084 R)
• M18: 22,632,811 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.5

Radius: 8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 3.33 AU - 5.27 AU

Year: 5946 Days

Day: 8 Hours

Environment

Temp: -227 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 23,574,823 km

• M1: 99,632 km (0.108 R)
• M2: 475,123 km (0.095 R)
• M3: 746,045 km (0.107 R)
• M4: 1,140,833 km (0.094 R)
• M5: 1,557,314 km (0.046 R)
• M6: 2,998,839 km (0.113 R)
• M7: 4,047,969 km (0.114 R)
• M8: 6,340,407 km (0.054 R)
• M9: 7,579,077 km (0.049 R)
• M10: 10,568,192 km (0.075 R)
• M11: 11,154,316 km (0.104 R)
• M12: 13,473,981 km (0.072 R)
• M13: 16,042,726 km (0.073 R)
• M14: 19,349,886 km (0.117 R)
• M15: 23,015,932 km (0.069 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 196 - 17,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit