🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.8

Radius: 14.1

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.59 AU - 0.83 AU

Year: 392 Days

Day: 9.6 Hours

Environment

Temp: -138 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 71,103,352 km

• M1: 175,329 km (0.074 R)
• M2: 979,866 km (0.082 R)
• M3: 1,497,475 km (0.091 R)
• M4: 2,155,855 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.5

Radius: 8.6

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.97 AU - 1.47 AU

Year: 884 Days

Day: 8.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,103,352 km

• M1: 106,962 km (0.096 R)
• M2: 379,679 km (0.036 R)
• M3: 701,165 km (0.119 R)
• M4: 1,357,301 km (0.115 R)
• M5: 2,102,448 km (0.097 R)
• M6: 2,601,058 km (0.066 R)
• M7: 3,509,117 km (0.106 R)
• M8: 3,910,937 km (0.053 R)
• M9: 4,614,496 km (0.085 R)
• M10: 4,896,787 km (0.027 R)
• M11: 5,594,512 km (0.119 R)
• M12: 7,070,295 km (0.095 R)
• M13: 7,737,651 km (0.071 R)
• M14: 9,032,719 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 642.3

Radius: 9.1

Gravity: 7.76 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.41 AU - 1.77 AU

Year: 1315 Days

Day: 10.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,103,352 km

• M1: 113,844 km (0.115 R)
• M2: 488,886 km (0.09 R)
• M3: 848,370 km (0.084 R)
• M4: 1,553,424 km (0.108 R)
• M5: 2,212,852 km (0.104 R)
• M6: 2,709,517 km (0.116 R)
• M7: 3,429,531 km (0.099 R)
• M8: 3,876,081 km (0.059 R)
• M9: 4,379,178 km (0.098 R)
• M10: 5,327,629 km (0.11 R)
• M11: 6,313,778 km (0.064 R)
• M12: 6,838,268 km (0.041 R)
• M13: 7,812,300 km (0.098 R)
• M14: 8,248,976 km (0.071 R)
• M15: 9,412,399 km (0.114 R)
• M16: 10,948,619 km (0.111 R)
• M17: 11,670,728 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 887.9

Radius: 10.4

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.78 AU - 3.48 AU

Year: 3633 Days

Day: 8.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,103,352 km

• M1: 129,402 km (0.09 R)
• M2: 735,872 km (0.094 R)
• M3: 1,313,918 km (0.093 R)
• M4: 1,823,897 km (0.062 R)
• M5: 3,021,129 km (0.079 R)
• M6: 3,559,681 km (0.092 R)
• M7: 4,206,842 km (0.079 R)
• M8: 5,163,071 km (0.072 R)
• M9: 6,718,740 km (0.097 R)
• M10: 9,646,370 km (0.106 R)
• M11: 12,217,658 km (0.065 R)
• M12: 17,505,344 km (0.08 R)
• M13: 22,333,167 km (0.115 R)
• M14: 23,997,742 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 275.1

Radius: 14.4

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.13 AU - 4.59 AU

Year: 4975 Days

Day: 10.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 71,103,352 km

• M1: 190,288 km (0.035 R)
• M2: 642,074 km (0.074 R)
• M3: 1,349,822 km (0.073 R)
• M4: 2,422,289 km (0.045 R)
• M5: 2,899,207 km (0.085 R)
• M6: 4,912,644 km (0.112 R)
• M7: 6,482,375 km (0.076 R)
• M8: 7,733,612 km (0.106 R)
• M9: 8,434,029 km (0.086 R)
• M10: 9,470,742 km (0.105 R)
• M11: 10,914,810 km (0.1 R)
• M12: 11,540,578 km (0.109 R)
• M13: 12,322,825 km (0.105 R)
• M14: 12,909,548 km (0.119 R)
• M15: 14,632,467 km (0.087 R)
• M16: 15,497,442 km (0.088 R)
• M17: 18,355,958 km (0.082 R)
• M18: 18,824,947 km (0.11 R)
• M19: 19,543,615 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.9

Radius: 8.1

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.02 AU - 4.48 AU

Year: 5748 Days

Day: 9.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 71,103,352 km

• M1: 109,206 km (0.095 R)
• M2: 485,595 km (0.104 R)
• M3: 786,286 km (0.097 R)
• M4: 1,276,070 km (0.046 R)
• M5: 2,414,360 km (0.088 R)
• M6: 3,581,373 km (0.106 R)
• M7: 4,140,570 km (0.096 R)
• M8: 6,534,884 km (0.114 R)
• M9: 6,795,633 km (0.088 R)
• M10: 7,154,219 km (0.11 R)
• M11: 8,306,272 km (0.102 R)
• M12: 8,681,763 km (0.115 R)
• M13: 9,140,131 km (0.101 R)
• M14: 9,577,405 km (0.082 R)
• M15: 10,692,059 km (0.098 R)
• M16: 13,876,998 km (0.068 R)
• M17: 16,391,439 km (0.107 R)
• M18: 17,421,719 km (0.06 R)
• M19: 17,868,269 km (0.115 R)
• M20: 19,017,929 km (0.066 R)
• M21: 19,972,513 km (0.057 R)
• M22: 20,338,579 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383

Radius: 4.5

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 10.11 AU - 12.03 AU

Year: 24162 Days

Day: 15.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 71,103,352 km

• M1: 55,950 km (0.099 R)
• M2: 417,528 km (0.118 R)
• M3: 607,517 km (0.062 R)
• M4: 909,106 km (0.074 R)
• M5: 1,075,459 km (0.038 R)
• M6: 2,193,105 km (0.118 R)
• M7: 3,128,241 km (0.063 R)
• M8: 3,315,837 km (0.053 R)
• M9: 3,539,336 km (0.12 R)
• M10: 7,062,067 km (0.113 R)
• M11: 7,432,321 km (0.091 R)
• M12: 8,261,991 km (0.058 R)
• M13: 9,703,965 km (0.107 R)
• M14: 11,368,092 km (0.105 R)
• M15: 15,711,217 km (0.064 R)
• M16: 16,421,508 km (0.074 R)
• M17: 16,906,803 km (0.11 R)
• M18: 19,929,728 km (0.11 R)
• M19: 26,244,104 km (0.107 R)
• M20: 28,151,477 km (0.114 R)
• M21: 28,729,523 km (0.06 R)
• M22: 29,197,615 km (0.026 R)
• M23: 30,511,234 km (0.116 R)
• M24: 31,863,748 km (0.114 R)
• M25: 38,658,783 km (0.081 R)
• M26: 43,227,651 km (0.105 R)
• M27: 49,136,019 km (0.095 R)
• M28: 50,142,214 km (0.117 R)
• M29: 51,505,051 km (0.116 R)
• M30: 53,418,856 km (0.098 R)
• M31: 53,595,232 km (0.077 R)
• M32: 54,126,454 km (0.098 R)
• M33: 54,661,267 km (0.066 R)
• M34: 64,498,673 km (0.079 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: 545 - 17,552 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit