🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.7

Radius: 10.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 1.45 AU - 1.51 AU

Year: 1201 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,703,173 km

• M1: 133,142 km (0.09 R)
• M2: 470,485 km (0.079 R)
• M3: 967,001 km (0.09 R)
• M4: 1,316,012 km (0.109 R)
• M5: 1,684,472 km (0.108 R)
• M6: 2,027,201 km (0.109 R)
• M7: 2,727,468 km (0.111 R)
• M8: 3,192,269 km (0.084 R)
• M9: 3,869,349 km (0.106 R)
• M10: 4,999,710 km (0.066 R)
• M11: 5,953,098 km (0.086 R)
• M12: 6,610,580 km (0.072 R)
• M13: 7,090,191 km (0.079 R)
• M14: 8,366,560 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.8

Radius: 11.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.93 AU - 2.01 AU

Year: 1844 Days

Day: 12.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,703,173 km

• M1: 145,559 km (0.074 R)
• M2: 518,207 km (0.099 R)
• M3: 989,889 km (0.116 R)
• M4: 1,454,540 km (0.119 R)
• M5: 2,380,401 km (0.07 R)
• M6: 2,966,526 km (0.054 R)
• M7: 3,388,242 km (0.084 R)
• M8: 5,234,429 km (0.053 R)
• M9: 6,547,001 km (0.05 R)
• M10: 7,455,359 km (0.09 R)
• M11: 7,841,472 km (0.091 R)
• M12: 11,072,187 km (0.08 R)
• M13: 13,259,158 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 859.3

Radius: 8.7

Gravity: 11.35 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.2 AU - 2.22 AU

Year: 2191 Days

Day: 8.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,703,173 km

• M1: 108,159 km (0.035 R)
• M2: 403,615 km (0.118 R)
• M3: 936,782 km (0.116 R)
• M4: 1,386,174 km (0.102 R)
• M5: 2,173,956 km (0.102 R)
• M6: 2,920,749 km (0.098 R)
• M7: 3,232,960 km (0.111 R)
• M8: 4,712,483 km (0.115 R)
• M9: 8,051,657 km (0.095 R)
• M10: 8,503,592 km (0.088 R)
• M11: 9,178,577 km (0.052 R)
• M12: 9,743,758 km (0.097 R)
• M13: 10,827,295 km (0.075 R)
• M14: 11,498,691 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.6

Radius: 11.8

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.04 AU - 2.46 AU

Year: 2251 Days

Day: 7.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 59,703,173 km

• M1: 146,756 km (0.067 R)
• M2: 562,039 km (0.116 R)
• M3: 1,506,600 km (0.115 R)
• M4: 3,419,209 km (0.069 R)
• M5: 5,074,809 km (0.048 R)
• M6: 5,452,693 km (0.077 R)
• M7: 5,825,341 km (0.087 R)
• M8: 7,266,866 km (0.034 R)
• M9: 7,835,488 km (0.116 R)
• M10: 8,965,700 km (0.041 R)
• M11: 9,520,109 km (0.048 R)
• M12: 10,951,761 km (0.077 R)
• M13: 11,815,389 km (0.042 R)
• M14: 14,238,127 km (0.117 R)
• M15: 15,084,252 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678.9

Radius: 12.5

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.15 AU - 2.41 AU

Year: 2296 Days

Day: 12.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,703,173 km

• M1: 181,761 km (0.044 R)
• M2: 649,554 km (0.101 R)
• M3: 1,107,174 km (0.074 R)
• M4: 2,095,417 km (0.074 R)
• M5: 2,652,969 km (0.094 R)
• M6: 3,078,575 km (0.078 R)
• M7: 3,675,171 km (0.098 R)
• M8: 6,248,105 km (0.085 R)
• M9: 9,046,931 km (0.114 R)
• M10: 9,735,829 km (0.107 R)
• M11: 11,025,513 km (0.118 R)
• M12: 12,343,021 km (0.111 R)
• M13: 13,018,306 km (0.072 R)
• M14: 17,130,751 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.9

Radius: 8.6

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 2.24 AU - 2.36 AU

Year: 2326 Days

Day: 10.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,703,173 km

• M1: 106,962 km (0.049 R)
• M2: 410,347 km (0.078 R)
• M3: 935,585 km (0.117 R)
• M4: 1,255,276 km (0.095 R)
• M5: 1,580,352 km (0.092 R)
• M6: 2,074,922 km (0.075 R)
• M7: 2,403,589 km (0.095 R)
• M8: 3,356,827 km (0.105 R)
• M9: 4,251,571 km (0.1 R)
• M10: 4,683,311 km (0.098 R)
• M11: 5,407,963 km (0.11 R)
• M12: 6,011,142 km (0.093 R)
• M13: 6,866,542 km (0.119 R)
• M14: 7,743,635 km (0.107 R)
• M15: 9,852,516 km (0.061 R)
• M16: 10,787,203 km (0.045 R)
• M17: 11,704,388 km (0.083 R)
• M18: 12,201,352 km (0.097 R)
• M19: 13,360,586 km (0.088 R)
• M20: 14,461,028 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 694.6

Radius: 12.3

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 3.07 AU - 4.03 AU

Year: 4460 Days

Day: 11.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 59,703,173 km

• M1: 156,031 km (0.088 R)
• M2: 655,837 km (0.102 R)
• M3: 1,223,112 km (0.104 R)
• M4: 2,051,884 km (0.108 R)
• M5: 3,055,836 km (0.027 R)
• M6: 3,627,000 km (0.061 R)
• M7: 4,129,799 km (0.058 R)
• M8: 6,437,047 km (0.037 R)
• M9: 6,979,040 km (0.112 R)
• M10: 7,973,866 km (0.109 R)
• M11: 9,139,682 km (0.1 R)
• M12: 10,940,541 km (0.092 R)
• M13: 11,528,760 km (0.029 R)
• M14: 12,329,857 km (0.049 R)
• M15: 14,738,233 km (0.081 R)
• M16: 16,488,977 km (0.11 R)
• M17: 17,444,907 km (0.064 R)
• M18: 17,936,635 km (0.119 R)
• M19: 19,797,034 km (0.103 R)
• M20: 20,197,508 km (0.114 R)
• M21: 21,571,564 km (0.061 R)
• M22: 23,823,012 km (0.078 R)
• M23: 27,446,572 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 875.3

Radius: 6.3

Gravity: 22.05 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.5 AU - 8.46 AU

Year: 12297 Days

Day: 19.2 Hours

Environment

Temp: -234 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,703,173 km

• M1: 78,389 km (0.061 R)
• M2: 449,841 km (0.108 R)
• M3: 646,412 km (0.1 R)
• M4: 1,429,707 km (0.072 R)
• M5: 1,786,797 km (0.078 R)
• M6: 2,087,638 km (0.074 R)
• M7: 2,340,159 km (0.117 R)
• M8: 3,480,993 km (0.107 R)
• M9: 4,278,649 km (0.087 R)
• M10: 7,486,775 km (0.078 R)
• M11: 8,657,079 km (0.096 R)
• M12: 10,605,591 km (0.07 R)
• M13: 10,946,974 km (0.09 R)
• M14: 12,574,748 km (0.08 R)
• M15: 13,282,047 km (0.075 R)
• M16: 14,635,160 km (0.063 R)
• M17: 16,152,381 km (0.112 R)
• M18: 16,910,394 km (0.066 R)
• M19: 19,075,524 km (0.085 R)
• M20: 31,066,541 km (0.096 R)
• M21: 32,118,812 km (0.064 R)
• M22: 32,953,569 km (0.12 R)
• M23: 33,802,686 km (0.093 R)
• M24: 38,135,489 km (0.096 R)
• M25: 40,159,399 km (0.055 R)
• M26: 41,128,045 km (0.077 R)
• M27: 41,547,817 km (0.103 R)
• M28: 42,967,800 km (0.087 R)
• M29: 43,255,776 km (0.08 R)
• M30: 44,861,858 km (0.072 R)
• M31: 50,877,039 km (0.071 R)
• M32: 52,337,563 km (0.093 R)
• M33: 54,160,413 km (0.092 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: 269 - 10,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit