🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.5

Radius: 8.2

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 8.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,930,112 km

• M1: 102,475 km (0.113 R)
• M2: 374,144 km (0.116 R)
• M3: 778,208 km (0.109 R)
• M4: 1,299,108 km (0.071 R)
• M5: 1,690,306 km (0.091 R)
• M6: 2,007,603 km (0.073 R)
• M7: 2,302,162 km (0.054 R)
• M8: 2,575,327 km (0.098 R)
• M9: 3,129,737 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.6

Radius: 11.9

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.56 AU - 0.64 AU

Year: 310 Days

Day: 10.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,930,112 km

• M1: 147,952 km (0.11 R)
• M2: 551,418 km (0.117 R)
• M3: 1,138,889 km (0.098 R)
• M4: 1,553,275 km (0.099 R)
• M5: 1,969,755 km (0.032 R)
• M6: 2,399,849 km (0.044 R)
• M7: 2,833,683 km (0.114 R)
• M8: 3,276,493 km (0.119 R)
• M9: 3,706,138 km (0.116 R)
• M10: 4,122,319 km (0.114 R)
• M11: 4,556,302 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.3

Radius: 12.7

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.56 AU - 0.66 AU

Year: 318 Days

Day: 7.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,930,112 km

• M1: 158,873 km (0.082 R)
• M2: 595,250 km (0.112 R)
• M3: 1,018,911 km (0.112 R)
• M4: 1,524,103 km (0.074 R)
• M5: 2,147,328 km (0.04 R)
• M6: 2,588,193 km (0.088 R)
• M7: 3,027,711 km (0.082 R)
• M8: 4,046,622 km (0.078 R)
• M9: 4,573,805 km (0.066 R)
• M10: 5,087,225 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.1

Radius: 13

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.49 AU - 0.81 AU

Year: 349 Days

Day: 9.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,930,112 km

• M1: 161,715 km (0.096 R)
• M2: 593,156 km (0.06 R)
• M3: 1,187,657 km (0.119 R)
• M4: 1,672,803 km (0.115 R)
• M5: 2,737,641 km (0.046 R)
• M6: 3,272,603 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.6

Radius: 10.8

Gravity: 1.79 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.11 AU

Year: 588 Days

Day: 7.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,930,112 km

• M1: 134,339 km (0.098 R)
• M2: 665,561 km (0.118 R)
• M3: 1,012,927 km (0.085 R)
• M4: 1,360,593 km (0.112 R)
• M5: 2,291,839 km (0.066 R)
• M6: 2,847,147 km (0.063 R)
• M7: 3,434,169 km (0.042 R)
• M8: 3,877,278 km (0.072 R)
• M9: 4,384,714 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 10.8

Gravity: 6.84 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.69 AU - 1.87 AU

Year: 1584 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,930,112 km

• M1: 134,339 km (0.073 R)
• M2: 561,740 km (0.078 R)
• M3: 1,494,034 km (0.111 R)
• M4: 2,029,295 km (0.117 R)
• M5: 2,386,684 km (0.069 R)
• M6: 3,325,411 km (0.112 R)
• M7: 4,022,836 km (0.081 R)
• M8: 4,533,563 km (0.078 R)
• M9: 5,571,025 km (0.11 R)
• M10: 6,555,229 km (0.085 R)
• M11: 7,850,148 km (0.086 R)
• M12: 9,085,378 km (0.094 R)
• M13: 11,193,062 km (0.087 R)
• M14: 13,608,170 km (0.036 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.9

Radius: 9.9

Gravity: 7.88 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2 AU - 2.12 AU

Year: 1972 Days

Day: 5.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,930,112 km

• M1: 123,119 km (0.046 R)
• M2: 475,721 km (0.104 R)
• M3: 1,021,903 km (0.069 R)
• M4: 2,400,896 km (0.072 R)
• M5: 3,498,496 km (0.086 R)
• M6: 4,337,441 km (0.094 R)
• M7: 4,880,032 km (0.043 R)
• M8: 5,975,837 km (0.092 R)
• M9: 6,515,286 km (0.046 R)
• M10: 7,003,275 km (0.111 R)
• M11: 7,751,114 km (0.083 R)
• M12: 8,679,220 km (0.082 R)
• M13: 10,279,618 km (0.085 R)
• M14: 10,755,040 km (0.105 R)
• M15: 11,168,827 km (0.078 R)
• M16: 11,632,132 km (0.095 R)
• M17: 11,988,175 km (0.118 R)
• M18: 12,433,079 km (0.112 R)
• M19: 13,702,567 km (0.119 R)
• M20: 14,414,054 km (0.087 R)
• M21: 15,670,227 km (0.118 R)
• M22: 16,300,334 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.3

Radius: 9.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.41 AU - 3.61 AU

Year: 3482 Days

Day: 11.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 51,930,112 km

• M1: 135,087 km (0.095 R)
• M2: 585,227 km (0.075 R)
• M3: 919,279 km (0.027 R)
• M4: 1,328,579 km (0.107 R)
• M5: 1,974,692 km (0.064 R)
• M6: 2,494,096 km (0.04 R)
• M7: 2,817,227 km (0.074 R)
• M8: 3,494,905 km (0.113 R)
• M9: 4,116,185 km (0.116 R)
• M10: 4,677,925 km (0.119 R)
• M11: 5,080,194 km (0.098 R)
• M12: 5,652,256 km (0.083 R)
• M13: 7,478,547 km (0.11 R)
• M14: 7,998,250 km (0.085 R)
• M15: 9,954,990 km (0.062 R)
• M16: 10,698,193 km (0.078 R)
• M17: 11,161,497 km (0.109 R)
• M18: 15,854,831 km (0.113 R)
• M19: 16,764,536 km (0.112 R)
• M20: 17,655,242 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 793

Radius: 8.7

Gravity: 10.48 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 3.94 AU - 4.5 AU

Year: 5781 Days

Day: 12.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,930,112 km

• M1: 108,159 km (0.097 R)
• M2: 435,330 km (0.111 R)
• M3: 1,155,494 km (0.114 R)
• M4: 1,428,959 km (0.104 R)
• M5: 1,857,557 km (0.059 R)
• M6: 2,157,800 km (0.069 R)
• M7: 2,543,164 km (0.08 R)
• M8: 3,259,887 km (0.106 R)
• M9: 3,887,151 km (0.031 R)
• M10: 4,408,500 km (0.113 R)
• M11: 5,744,558 km (0.104 R)
• M12: 6,222,972 km (0.082 R)
• M13: 6,796,830 km (0.098 R)
• M14: 7,554,094 km (0.12 R)
• M15: 8,608,909 km (0.113 R)
• M16: 8,939,520 km (0.076 R)
• M17: 9,670,306 km (0.101 R)
• M18: 10,255,532 km (0.116 R)
• M19: 11,746,574 km (0.081 R)
• M20: 12,570,260 km (0.11 R)
• M21: 14,332,224 km (0.12 R)
• M22: 14,974,298 km (0.049 R)
• M23: 15,513,748 km (0.105 R)
• M24: 16,004,130 km (0.072 R)
• M25: 21,116,039 km (0.034 R)
• M26: 21,794,465 km (0.061 R)
• M27: 23,674,761 km (0.117 R)
• M28: 26,606,879 km (0.087 R)
• M29: 28,295,988 km (0.096 R)
• M30: 28,935,819 km (0.104 R)
• M31: 31,106,484 km (0.112 R)
• M32: 31,690,065 km (0.119 R)
• M33: 33,892,744 km (0.108 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576

Radius: 7.6

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 5.37 AU - 8.59 AU

Year: 12297 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 51,930,112 km

• M1: 94,546 km (0.108 R)
• M2: 340,335 km (0.118 R)
• M3: 717,023 km (0.04 R)
• M4: 964,158 km (0.119 R)
• M5: 1,319,902 km (0.099 R)
• M6: 1,653,804 km (0.118 R)
• M7: 2,008,651 km (0.118 R)
• M8: 2,394,015 km (0.111 R)
• M9: 2,677,802 km (0.088 R)
• M10: 3,006,768 km (0.107 R)
• M11: 3,264,974 km (0.049 R)
• M12: 4,724,151 km (0.114 R)
• M13: 5,863,040 km (0.118 R)
• M14: 7,011,054 km (0.117 R)
• M15: 7,595,233 km (0.119 R)
• M16: 9,295,563 km (0.086 R)
• M17: 11,802,374 km (0.045 R)
• M18: 12,749,628 km (0.047 R)
• M19: 14,264,307 km (0.03 R)
• M20: 16,036,443 km (0.036 R)
• M21: 17,197,173 km (0.082 R)
• M22: 17,950,398 km (0.076 R)
• M23: 20,011,857 km (0.097 R)
• M24: 20,259,441 km (0.094 R)
• M25: 20,845,117 km (0.115 R)
• M26: 22,580,751 km (0.109 R)
• M27: 23,759,134 km (0.115 R)
• M28: 28,155,366 km (0.041 R)
• M29: 30,164,017 km (0.119 R)
• M30: 34,939,480 km (0.105 R)
• M31: 35,781,567 km (0.05 R)
• M32: 42,874,151 km (0.102 R)
• M33: 46,530,922 km (0.08 R)
• M34: 49,632,385 km (0.115 R)
• M35: 51,930,058 km (0.091 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: 543 - 17,383 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit