🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.5

Radius: 13.5

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.46 AU - 0.64 AU

Year: 282 Days

Day: 6.6 Hours

Environment

Temp: -136 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 84,224,024 km

• M1: 167,849 km (0.118 R)
• M2: 630,405 km (0.065 R)
• M3: 1,060,350 km (0.055 R)
• M4: 1,731,595 km (0.11 R)
• M5: 2,255,337 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198.8

Radius: 12.6

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.85 AU - 1.01 AU

Year: 619 Days

Day: 12.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,224,024 km

• M1: 156,779 km (0.12 R)
• M2: 603,777 km (0.076 R)
• M3: 1,206,058 km (0.094 R)
• M4: 1,695,841 km (0.104 R)
• M5: 2,210,159 km (0.054 R)
• M6: 2,731,657 km (0.03 R)
• M7: 3,226,527 km (0.103 R)
• M8: 3,639,567 km (0.115 R)
• M9: 4,573,506 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 617.9

Radius: 10.9

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.06 AU - 1.4 AU

Year: 942 Days

Day: 7.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,224,024 km

• M1: 135,835 km (0.098 R)
• M2: 513,569 km (0.094 R)
• M3: 973,882 km (0.113 R)
• M4: 1,338,153 km (0.077 R)
• M5: 1,733,690 km (0.115 R)
• M6: 2,156,453 km (0.036 R)
• M7: 2,589,689 km (0.116 R)
• M8: 3,120,163 km (0.111 R)
• M9: 3,575,389 km (0.093 R)
• M10: 4,602,827 km (0.115 R)
• M11: 5,213,785 km (0.115 R)
• M12: 6,251,845 km (0.028 R)
• M13: 7,024,667 km (0.097 R)
• M14: 8,496,411 km (0.114 R)
• M15: 8,921,419 km (0.032 R)
• M16: 9,360,638 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.9

Radius: 9.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.82 AU - 3.44 AU

Year: 3822 Days

Day: 6.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,224,024 km

• M1: 119,080 km (0.038 R)
• M2: 676,182 km (0.096 R)
• M3: 2,299,170 km (0.084 R)
• M4: 4,237,958 km (0.081 R)
• M5: 4,705,302 km (0.076 R)
• M6: 5,690,703 km (0.101 R)
• M7: 6,748,958 km (0.091 R)
• M8: 7,170,226 km (0.107 R)
• M9: 10,628,330 km (0.044 R)
• M10: 12,626,210 km (0.112 R)
• M11: 18,085,186 km (0.107 R)
• M12: 20,104,009 km (0.052 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.8

Radius: 13.6

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.65 AU - 6.27 AU

Year: 8806 Days

Day: 13.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,224,024 km

• M1: 169,195 km (0.11 R)
• M2: 987,944 km (0.11 R)
• M3: 2,199,388 km (0.115 R)
• M4: 2,923,142 km (0.095 R)
• M5: 3,393,179 km (0.104 R)
• M6: 4,193,976 km (0.11 R)
• M7: 4,901,275 km (0.025 R)
• M8: 6,330,084 km (0.119 R)
• M9: 9,526,542 km (0.111 R)
• M10: 9,952,447 km (0.091 R)
• M11: 12,326,715 km (0.102 R)
• M12: 16,962,903 km (0.071 R)
• M13: 18,824,798 km (0.077 R)
• M14: 20,962,252 km (0.114 R)
• M15: 21,539,101 km (0.103 R)
• M16: 24,031,552 km (0.077 R)
• M17: 25,714,378 km (0.026 R)
• M18: 28,253,054 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.2

Radius: 4.4

Gravity: 21.45 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 7.7 AU - 9.9 AU

Year: 18019 Days

Day: 20.3 Hours

Environment

Temp: -243 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,224,024 km

• M1: 62,233 km (0.046 R)
• M2: 278,252 km (0.118 R)
• M3: 711,338 km (0.084 R)
• M4: 2,231,103 km (0.083 R)
• M5: 3,587,357 km (0.113 R)
• M6: 7,072,090 km (0.069 R)
• M7: 8,396,180 km (0.075 R)
• M8: 8,541,889 km (0.095 R)
• M9: 14,151,061 km (0.06 R)
• M10: 16,158,515 km (0.101 R)
• M11: 18,841,852 km (0.076 R)
• M12: 19,513,696 km (0.111 R)
• M13: 19,855,527 km (0.077 R)
• M14: 28,534,298 km (0.098 R)
• M15: 42,935,486 km (0.079 R)
• M16: 44,096,964 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.5

Radius: 7.3

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.06 AU - 9.76 AU

Year: 18358 Days

Day: 22 Hours

Environment

Temp: -237 °C

Axial Tilt: 110.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,224,024 km

• M1: 90,806 km (0.093 R)
• M2: 323,431 km (0.107 R)
• M3: 584,329 km (0.11 R)
• M4: 885,171 km (0.083 R)
• M5: 1,704,369 km (0.113 R)
• M6: 1,968,409 km (0.043 R)
• M7: 2,720,587 km (0.115 R)
• M8: 3,625,804 km (0.073 R)
• M9: 4,039,292 km (0.078 R)
• M10: 5,053,416 km (0.095 R)
• M11: 5,840,899 km (0.086 R)
• M12: 6,483,123 km (0.099 R)
• M13: 7,615,728 km (0.063 R)
• M14: 9,967,557 km (0.11 R)
• M15: 14,278,967 km (0.048 R)
• M16: 16,874,939 km (0.081 R)
• M17: 19,458,494 km (0.105 R)
• M18: 21,375,292 km (0.046 R)
• M19: 24,481,392 km (0.106 R)
• M20: 32,653,026 km (0.055 R)
• M21: 37,347,108 km (0.096 R)
• M22: 41,437,264 km (0.04 R)
• M23: 43,127,421 km (0.049 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 895.5

Radius: 5.7

Gravity: 27.56 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.15 AU - 10.95 AU

Year: 20371 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,224,024 km

• M1: 71,059 km (0.107 R)
• M2: 282,590 km (0.1 R)
• M3: 521,947 km (0.105 R)
• M4: 785,389 km (0.107 R)
• M5: 1,055,263 km (0.069 R)
• M6: 1,821,055 km (0.103 R)
• M7: 2,297,823 km (0.096 R)
• M8: 2,802,716 km (0.115 R)
• M9: 3,932,030 km (0.092 R)
• M10: 4,129,500 km (0.115 R)
• M11: 8,919,923 km (0.081 R)
• M12: 13,843,937 km (0.097 R)
• M13: 14,225,112 km (0.112 R)
• M14: 18,613,865 km (0.106 R)
• M15: 18,798,768 km (0.078 R)
• M16: 22,968,808 km (0.026 R)
• M17: 23,181,387 km (0.11 R)
• M18: 24,818,586 km (0.073 R)
• M19: 26,067,130 km (0.092 R)
• M20: 30,702,121 km (0.084 R)
• M21: 33,348,956 km (0.111 R)
• M22: 34,310,122 km (0.115 R)
• M23: 37,012,159 km (0.084 R)
• M24: 38,190,990 km (0.119 R)
• M25: 40,313,933 km (0.115 R)
• M26: 42,354,448 km (0.064 R)
• M27: 47,496,277 km (0.086 R)
• M28: 54,725,145 km (0.095 R)
• M29: 54,914,686 km (0.1 R)
• M30: 62,240,194 km (0.067 R)
• M31: 63,486,195 km (0.076 R)
• M32: 64,326,187 km (0.092 R)
• M33: 68,417,240 km (0.113 R)
• M34: 75,928,998 km (0.082 R)
• M35: 76,401,129 km (0.108 R)
• M36: 77,112,915 km (0.032 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 271 - 16,218 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit