🌌 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: 642.9

Radius: 8.7

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.56 AU - 0.86 AU

Year: 406 Days

Day: 9.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,611,572 km

• M1: 108,309 km (0.103 R)
• M2: 479,910 km (0.112 R)
• M3: 885,470 km (0.12 R)
• M4: 1,157,439 km (0.057 R)
• M5: 1,441,076 km (0.086 R)
• M6: 1,742,366 km (0.107 R)
• M7: 2,052,932 km (0.099 R)
• M8: 2,483,923 km (0.102 R)
• M9: 2,848,643 km (0.104 R)
• M10: 3,409,784 km (0.072 R)
• M11: 3,836,288 km (0.068 R)
• M12: 4,216,117 km (0.119 R)
• M13: 4,563,782 km (0.079 R)
• M14: 4,945,406 km (0.048 R)
• M15: 5,525,397 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 800.8

Radius: 11.7

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.13 AU - 1.47 AU

Year: 1005 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 61,611,572 km

• M1: 147,204 km (0.07 R)
• M2: 619,335 km (0.071 R)
• M3: 1,069,326 km (0.105 R)
• M4: 1,634,058 km (0.054 R)
• M5: 2,017,028 km (0.116 R)
• M6: 2,507,260 km (0.092 R)
• M7: 3,009,161 km (0.087 R)
• M8: 3,562,524 km (0.106 R)
• M9: 3,952,226 km (0.043 R)
• M10: 4,744,646 km (0.101 R)
• M11: 5,336,306 km (0.077 R)
• M12: 6,084,744 km (0.03 R)
• M13: 6,644,689 km (0.101 R)
• M14: 7,764,877 km (0.041 R)
• M15: 9,092,409 km (0.096 R)
• M16: 10,129,421 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.4

Radius: 11.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.33 AU - 1.91 AU

Year: 1399 Days

Day: 13.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 146.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 61,611,572 km

• M1: 144,362 km (0.066 R)
• M2: 517,010 km (0.115 R)
• M3: 1,716,187 km (0.069 R)
• M4: 2,429,021 km (0.049 R)
• M5: 3,003,476 km (0.119 R)
• M6: 4,521,745 km (0.096 R)
• M7: 5,467,802 km (0.073 R)
• M8: 6,729,660 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 10.9

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 2.31 AU - 2.37 AU

Year: 2428 Days

Day: 11 Hours

Environment

Temp: -213 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 61,611,572 km

• M1: 135,536 km (0.082 R)
• M2: 662,569 km (0.079 R)
• M3: 1,014,274 km (0.085 R)
• M4: 1,495,380 km (0.113 R)
• M5: 1,986,959 km (0.097 R)
• M6: 2,411,817 km (0.098 R)
• M7: 3,078,126 km (0.119 R)
• M8: 3,548,013 km (0.092 R)
• M9: 4,140,420 km (0.069 R)
• M10: 4,571,262 km (0.089 R)
• M11: 5,431,899 km (0.115 R)
• M12: 5,949,358 km (0.103 R)
• M13: 6,320,809 km (0.074 R)
• M14: 6,787,106 km (0.076 R)
• M15: 7,138,062 km (0.088 R)
• M16: 8,295,052 km (0.063 R)
• M17: 8,822,983 km (0.087 R)
• M18: 10,188,812 km (0.11 R)
• M19: 11,349,093 km (0.065 R)
• M20: 12,000,292 km (0.112 R)
• M21: 14,322,799 km (0.098 R)
• M22: 14,767,105 km (0.107 R)
• M23: 15,589,893 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.5

Radius: 13.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.9 AU - 2.94 AU

Year: 2553 Days

Day: 14.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,611,572 km

• M1: 167,849 km (0.038 R)
• M2: 612,902 km (0.093 R)
• M3: 1,316,611 km (0.075 R)
• M4: 2,499,780 km (0.086 R)
• M5: 3,148,287 km (0.087 R)
• M6: 4,091,502 km (0.062 R)
• M7: 4,868,812 km (0.046 R)
• M8: 5,394,798 km (0.112 R)
• M9: 6,665,932 km (0.073 R)
• M10: 7,801,978 km (0.08 R)
• M11: 8,966,747 km (0.07 R)
• M12: 9,896,946 km (0.064 R)
• M13: 15,679,652 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 394.9

Radius: 14.3

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 4.17 AU - 4.47 AU

Year: 6090 Days

Day: 12.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 61,611,572 km

• M1: 180,265 km (0.027 R)
• M2: 661,372 km (0.119 R)
• M3: 1,258,268 km (0.047 R)
• M4: 2,458,342 km (0.085 R)
• M5: 4,000,995 km (0.088 R)
• M6: 4,638,282 km (0.072 R)
• M7: 5,370,115 km (0.056 R)
• M8: 6,900,950 km (0.103 R)
• M9: 7,928,388 km (0.062 R)
• M10: 9,535,219 km (0.098 R)
• M11: 12,098,877 km (0.086 R)
• M12: 14,382,339 km (0.085 R)
• M13: 24,216,006 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761.9

Radius: 6.9

Gravity: 16 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.24 AU - 7.3 AU

Year: 11947 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 10.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,611,572 km

• M1: 85,869 km (0.054 R)
• M2: 355,295 km (0.112 R)
• M3: 632,949 km (0.072 R)
• M4: 1,324,689 km (0.094 R)
• M5: 3,053,741 km (0.098 R)
• M6: 3,712,870 km (0.111 R)
• M7: 5,414,695 km (0.042 R)
• M8: 5,735,732 km (0.035 R)
• M9: 6,221,925 km (0.117 R)
• M10: 7,319,076 km (0.051 R)
• M11: 8,877,437 km (0.081 R)
• M12: 11,552,546 km (0.114 R)
• M13: 12,327,313 km (0.115 R)
• M14: 12,883,668 km (0.103 R)
• M15: 13,456,628 km (0.088 R)
• M16: 19,072,532 km (0.102 R)
• M17: 20,751,917 km (0.084 R)
• M18: 21,274,313 km (0.092 R)
• M19: 22,345,434 km (0.112 R)
• M20: 24,594,788 km (0.071 R)
• M21: 25,278,300 km (0.103 R)
• M22: 30,310,174 km (0.107 R)
• M23: 31,322,653 km (0.032 R)
• M24: 32,241,333 km (0.039 R)
• M25: 34,011,973 km (0.11 R)
• M26: 36,096,021 km (0.111 R)
• M27: 38,263,844 km (0.082 R)
• M28: 42,298,200 km (0.034 R)
• M29: 47,502,859 km (0.106 R)
• M30: 53,443,091 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.3

Radius: 5.6

Gravity: 16.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 7.15 AU - 9.89 AU

Year: 16867 Days

Day: 23.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 61,611,572 km

• M1: 70,161 km (0.102 R)
• M2: 382,821 km (0.098 R)
• M3: 584,479 km (0.112 R)
• M4: 761,304 km (0.052 R)
• M5: 1,019,809 km (0.108 R)
• M6: 1,993,242 km (0.111 R)
• M7: 2,261,172 km (0.118 R)
• M8: 2,822,912 km (0.088 R)
• M9: 3,136,619 km (0.084 R)
• M10: 3,636,724 km (0.044 R)
• M11: 4,596,694 km (0.108 R)
• M12: 4,794,013 km (0.089 R)
• M13: 4,996,868 km (0.104 R)
• M14: 6,257,380 km (0.089 R)
• M15: 7,047,256 km (0.075 R)
• M16: 10,308,640 km (0.08 R)
• M17: 13,296,408 km (0.117 R)
• M18: 13,765,547 km (0.107 R)
• M19: 16,660,565 km (0.084 R)
• M20: 17,843,286 km (0.069 R)
• M21: 19,850,441 km (0.095 R)
• M22: 20,463,044 km (0.082 R)
• M23: 24,109,043 km (0.055 R)
• M24: 24,406,145 km (0.101 R)
• M25: 25,825,529 km (0.104 R)
• M26: 27,085,143 km (0.11 R)
• M27: 28,495,253 km (0.114 R)
• M28: 29,387,006 km (0.116 R)
• M29: 30,412,200 km (0.109 R)
• M30: 33,140,267 km (0.087 R)
• M31: 42,727,695 km (0.08 R)
• M32: 49,571,349 km (0.055 R)
• M33: 49,891,339 km (0.061 R)
• M34: 55,201,465 km (0.064 R)
• M35: 58,704,598 km (0.12 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: 265 - 20,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit