🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.3

Radius: 11.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.6 AU - 0.98 AU

Year: 453 Days

Day: 9.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,358,004 km

• M1: 141,819 km (0.112 R)
• M2: 519,853 km (0.119 R)
• M3: 1,031,029 km (0.104 R)
• M4: 1,492,837 km (0.091 R)
• M5: 1,902,436 km (0.118 R)
• M6: 2,258,629 km (0.062 R)
• M7: 3,258,242 km (0.109 R)
• M8: 3,812,801 km (0.118 R)
• M9: 4,202,803 km (0.09 R)
• M10: 4,679,272 km (0.101 R)
• M11: 5,256,271 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.3

Radius: 10.4

Gravity: 7.07 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.75 AU - 2.03 AU

Year: 1678 Days

Day: 7.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 32,358,004 km

• M1: 129,402 km (0.095 R)
• M2: 589,116 km (0.118 R)
• M3: 913,744 km (0.117 R)
• M4: 1,248,095 km (0.104 R)
• M5: 1,726,060 km (0.103 R)
• M6: 2,141,643 km (0.077 R)
• M7: 2,920,599 km (0.096 R)
• M8: 3,271,705 km (0.104 R)
• M9: 3,807,415 km (0.11 R)
• M10: 4,227,935 km (0.065 R)
• M11: 4,578,443 km (0.118 R)
• M12: 5,162,623 km (0.069 R)
• M13: 5,748,897 km (0.071 R)
• M14: 6,229,704 km (0.051 R)
• M15: 6,841,859 km (0.065 R)
• M16: 7,299,329 km (0.074 R)
• M17: 8,609,806 km (0.111 R)
• M18: 10,950,564 km (0.083 R)
• M19: 12,903,265 km (0.092 R)
• M20: 13,728,896 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.7

Radius: 8.1

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.28 AU - 3.08 AU

Year: 2833 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 32,358,004 km

• M1: 104,120 km (0.1 R)
• M2: 419,921 km (0.077 R)
• M3: 766,988 km (0.072 R)
• M4: 1,359,097 km (0.098 R)
• M5: 1,627,326 km (0.097 R)
• M6: 2,296,327 km (0.056 R)
• M7: 2,868,090 km (0.071 R)
• M8: 4,010,869 km (0.074 R)
• M9: 4,293,309 km (0.096 R)
• M10: 5,201,368 km (0.118 R)
• M11: 6,278,473 km (0.109 R)
• M12: 7,314,438 km (0.099 R)
• M13: 7,683,795 km (0.109 R)
• M14: 8,837,793 km (0.095 R)
• M15: 10,135,555 km (0.109 R)
• M16: 11,345,203 km (0.105 R)
• M17: 12,350,501 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 912.4

Radius: 8.6

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.25 AU - 3.45 AU

Year: 3959 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 32,358,004 km

• M1: 106,962 km (0.105 R)
• M2: 484,099 km (0.092 R)
• M3: 1,230,143 km (0.061 R)
• M4: 1,710,951 km (0.065 R)
• M5: 2,637,111 km (0.074 R)
• M6: 3,048,057 km (0.105 R)
• M7: 3,439,704 km (0.089 R)
• M8: 3,953,872 km (0.031 R)
• M9: 4,642,321 km (0.059 R)
• M10: 6,568,543 km (0.117 R)
• M11: 8,177,319 km (0.115 R)
• M12: 9,575,760 km (0.104 R)
• M13: 11,355,077 km (0.064 R)
• M14: 11,867,599 km (0.1 R)
• M15: 12,153,780 km (0.117 R)
• M16: 13,810,277 km (0.066 R)
• M17: 14,556,621 km (0.075 R)
• M18: 15,329,593 km (0.117 R)
• M19: 20,279,936 km (0.116 R)
• M20: 23,040,166 km (0.117 R)
• M21: 24,165,292 km (0.1 R)
• M22: 24,625,605 km (0.098 R)
• M23: 26,121,434 km (0.107 R)
• M24: 26,525,049 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.4

Radius: 13.9

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 2.94 AU - 4.28 AU

Year: 4429 Days

Day: 10.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 32,358,004 km

• M1: 174,730 km (0.109 R)
• M2: 680,072 km (0.099 R)
• M3: 1,744,760 km (0.104 R)
• M4: 2,221,828 km (0.112 R)
• M5: 2,958,597 km (0.069 R)
• M6: 4,049,166 km (0.065 R)
• M7: 5,106,972 km (0.079 R)
• M8: 7,339,571 km (0.03 R)
• M9: 8,082,474 km (0.075 R)
• M10: 10,770,299 km (0.103 R)
• M11: 12,660,617 km (0.094 R)
• M12: 16,100,920 km (0.037 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 935.9

Radius: 13.3

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.97 AU - 4.59 AU

Year: 4745 Days

Day: 12.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 32,358,004 km

• M1: 165,455 km (0.086 R)
• M2: 991,834 km (0.081 R)
• M3: 1,464,563 km (0.08 R)
• M4: 2,031,240 km (0.094 R)
• M5: 3,815,344 km (0.041 R)
• M6: 4,614,047 km (0.094 R)
• M7: 5,434,292 km (0.093 R)
• M8: 6,912,469 km (0.119 R)
• M9: 9,088,220 km (0.084 R)
• M10: 10,110,273 km (0.1 R)
• M11: 10,695,051 km (0.064 R)
• M12: 12,131,191 km (0.096 R)
• M13: 12,740,353 km (0.102 R)
• M14: 13,263,646 km (0.054 R)
• M15: 17,592,710 km (0.118 R)
• M16: 23,790,549 km (0.058 R)
• M17: 25,397,231 km (0.11 R)
• M18: 26,479,721 km (0.062 R)
• M19: 27,679,496 km (0.025 R)
• M20: 30,464,858 km (0.109 R)
• M21: 32,069,146 km (0.094 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 19,954 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit