🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.1

Radius: 15

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.74 AU - 0.78 AU

Year: 435 Days

Day: 7.7 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,231,117 km

• M1: 186,549 km (0.109 R)
• M2: 683,363 km (0.087 R)
• M3: 1,216,081 km (0.119 R)
• M4: 1,790,986 km (0.068 R)
• M5: 2,340,309 km (0.108 R)
• M6: 2,820,668 km (0.072 R)
• M7: 3,331,993 km (0.118 R)
• M8: 4,400,421 km (0.045 R)
• M9: 5,093,807 km (0.117 R)
• M10: 5,601,692 km (0.052 R)
• M11: 6,215,792 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.7

Radius: 9.2

Gravity: 7.75 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.77 AU - 1.09 AU

Year: 588 Days

Day: 9.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,231,117 km

• M1: 116,238 km (0.087 R)
• M2: 537,954 km (0.097 R)
• M3: 825,930 km (0.099 R)
• M4: 1,173,147 km (0.109 R)
• M5: 1,479,224 km (0.108 R)
• M6: 1,774,081 km (0.053 R)
• M7: 2,546,904 km (0.032 R)
• M8: 2,975,352 km (0.111 R)
• M9: 3,349,646 km (0.089 R)
• M10: 4,091,502 km (0.098 R)
• M11: 4,728,789 km (0.056 R)
• M12: 5,360,989 km (0.116 R)
• M13: 5,733,937 km (0.119 R)
• M14: 6,551,788 km (0.113 R)
• M15: 6,978,591 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.8

Radius: 10.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.17 AU - 1.35 AU

Year: 928 Days

Day: 11.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,231,117 km

• M1: 131,497 km (0.097 R)
• M2: 487,539 km (0.118 R)
• M3: 1,575,565 km (0.111 R)
• M4: 2,275,384 km (0.082 R)
• M5: 3,308,357 km (0.118 R)
• M6: 3,761,040 km (0.076 R)
• M7: 4,407,901 km (0.118 R)
• M8: 5,058,652 km (0.044 R)
• M9: 6,945,979 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.3

Radius: 11.8

Gravity: 3.46 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.8 AU - 1.84 AU

Year: 1611 Days

Day: 8.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,231,117 km

• M1: 146,905 km (0.074 R)
• M2: 555,307 km (0.094 R)
• M3: 926,908 km (0.057 R)
• M4: 1,368,222 km (0.037 R)
• M5: 1,752,539 km (0.113 R)
• M6: 2,480,183 km (0.097 R)
• M7: 3,747,576 km (0.094 R)
• M8: 4,242,596 km (0.1 R)
• M9: 5,406,766 km (0.113 R)
• M10: 6,294,031 km (0.096 R)
• M11: 6,723,975 km (0.071 R)
• M12: 8,244,339 km (0.029 R)
• M13: 8,818,495 km (0.117 R)
• M14: 9,296,760 km (0.066 R)
• M15: 10,502,668 km (0.08 R)
• M16: 11,351,038 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.8

Radius: 14.1

Gravity: 4.55 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.79 AU - 2.09 AU

Year: 1773 Days

Day: 13.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,231,117 km

• M1: 175,329 km (0.047 R)
• M2: 618,737 km (0.096 R)
• M3: 1,187,358 km (0.088 R)
• M4: 1,991,297 km (0.084 R)
• M5: 2,848,044 km (0.068 R)
• M6: 4,939,123 km (0.107 R)
• M7: 5,569,529 km (0.085 R)
• M8: 6,177,345 km (0.051 R)
• M9: 7,270,307 km (0.094 R)
• M10: 7,759,791 km (0.086 R)
• M11: 8,869,508 km (0.108 R)
• M12: 9,873,011 km (0.044 R)
• M13: 11,518,587 km (0.109 R)
• M14: 13,298,204 km (0.109 R)
• M15: 14,748,405 km (0.112 R)
• M16: 15,820,124 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.4

Radius: 9.7

Gravity: 8.06 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.64 AU - 2.38 AU

Year: 1869 Days

Day: 8.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,231,117 km

• M1: 120,725 km (0.079 R)
• M2: 451,636 km (0.078 R)
• M3: 1,135,149 km (0.086 R)
• M4: 1,586,934 km (0.119 R)
• M5: 2,331,333 km (0.057 R)
• M6: 2,725,524 km (0.062 R)
• M7: 3,309,254 km (0.065 R)
• M8: 3,701,650 km (0.048 R)
• M9: 5,003,750 km (0.081 R)
• M10: 5,383,878 km (0.079 R)
• M11: 5,687,412 km (0.072 R)
• M12: 6,126,781 km (0.063 R)
• M13: 7,240,238 km (0.082 R)
• M14: 8,084,568 km (0.089 R)
• M15: 9,933,149 km (0.082 R)
• M16: 11,011,899 km (0.034 R)
• M17: 12,087,508 km (0.061 R)
• M18: 12,815,002 km (0.067 R)
• M19: 13,147,558 km (0.094 R)
• M20: 14,312,926 km (0.094 R)
• M21: 14,625,885 km (0.099 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.5

Radius: 6.1

Gravity: 22.32 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.59 AU - 9.75 AU

Year: 15319 Days

Day: 19.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,231,117 km

• M1: 84,822 km (0.047 R)
• M2: 722,259 km (0.081 R)
• M3: 1,241,064 km (0.094 R)
• M4: 1,565,243 km (0.101 R)
• M5: 1,871,320 km (0.085 R)
• M6: 2,536,282 km (0.08 R)
• M7: 3,060,174 km (0.058 R)
• M8: 3,294,295 km (0.055 R)
• M9: 3,653,629 km (0.076 R)
• M10: 4,038,843 km (0.074 R)
• M11: 5,102,484 km (0.049 R)
• M12: 5,545,743 km (0.098 R)
• M13: 8,205,443 km (0.063 R)
• M14: 9,560,650 km (0.039 R)
• M15: 10,818,619 km (0.041 R)
• M16: 13,041,494 km (0.047 R)
• M17: 15,704,036 km (0.077 R)
• M18: 19,228,862 km (0.113 R)
• M19: 20,208,578 km (0.112 R)
• M20: 25,505,091 km (0.117 R)
• M21: 28,813,148 km (0.041 R)
• M22: 30,809,233 km (0.108 R)
• M23: 31,170,811 km (0.078 R)
• M24: 31,657,303 km (0.074 R)
• M25: 36,939,305 km (0.083 R)
• M26: 39,574,770 km (0.075 R)
• M27: 43,683,027 km (0.113 R)
• M28: 46,153,785 km (0.095 R)
• M29: 49,866,206 km (0.09 R)
• M30: 51,034,566 km (0.114 R)
• M31: 55,711,593 km (0.078 R)
• M32: 56,068,983 km (0.115 R)
• M33: 56,969,113 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.1

Radius: 3.8

Gravity: 49.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 9.02 AU - 12.24 AU

Year: 22736 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 84,231,117 km

• M1: 47,423 km (0.107 R)
• M2: 189,092 km (0.08 R)
• M3: 483,201 km (0.057 R)
• M4: 1,300,454 km (0.101 R)
• M5: 2,483,025 km (0.056 R)
• M6: 2,805,858 km (0.076 R)
• M7: 3,414,721 km (0.087 R)
• M8: 4,776,810 km (0.101 R)
• M9: 4,964,555 km (0.088 R)
• M10: 8,843,329 km (0.112 R)
• M11: 9,069,371 km (0.089 R)
• M12: 9,241,408 km (0.097 R)
• M13: 9,951,400 km (0.111 R)
• M14: 11,148,781 km (0.073 R)
• M15: 11,815,988 km (0.06 R)
• M16: 15,968,077 km (0.111 R)
• M17: 21,909,356 km (0.106 R)
• M18: 24,140,010 km (0.101 R)
• M19: 32,930,979 km (0.109 R)
• M20: 33,610,303 km (0.116 R)
• M21: 41,869,153 km (0.107 R)
• M22: 46,974,928 km (0.048 R)
• M23: 50,121,719 km (0.088 R)
• M24: 54,532,313 km (0.113 R)
• M25: 55,291,672 km (0.119 R)
• M26: 56,443,875 km (0.113 R)
• M27: 63,276,907 km (0.085 R)
• M28: 69,523,666 km (0.096 R)
• M29: 80,010,327 km (0.057 R)
• M30: 82,475,550 km (0.089 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: 487 - 16,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit