🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.6

Radius: 8.8

Gravity: 5.72 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.74 AU - 2.32 AU

Year: 1996 Days

Day: 13.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,558,945 km

• M1: 109,655 km (0.096 R)
• M2: 414,536 km (0.073 R)
• M3: 753,824 km (0.117 R)
• M4: 1,056,311 km (0.061 R)
• M5: 1,406,519 km (0.1 R)
• M6: 1,741,768 km (0.117 R)
• M7: 2,061,608 km (0.095 R)
• M8: 2,629,332 km (0.072 R)
• M9: 3,638,220 km (0.05 R)
• M10: 4,202,803 km (0.026 R)
• M11: 4,723,553 km (0.081 R)
• M12: 7,300,825 km (0.062 R)
• M13: 7,657,017 km (0.112 R)
• M14: 8,111,496 km (0.077 R)
• M15: 8,493,868 km (0.045 R)
• M16: 9,944,518 km (0.043 R)
• M17: 10,451,356 km (0.083 R)
• M18: 11,011,002 km (0.116 R)
• M19: 11,850,096 km (0.096 R)
• M20: 13,655,443 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.2

Radius: 12.6

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.75 AU - 3.17 AU

Year: 3515 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,558,945 km

• M1: 156,779 km (0.118 R)
• M2: 771,775 km (0.109 R)
• M3: 2,545,258 km (0.088 R)
• M4: 3,715,413 km (0.104 R)
• M5: 4,368,557 km (0.032 R)
• M6: 5,077,501 km (0.091 R)
• M7: 5,840,151 km (0.117 R)
• M8: 6,941,790 km (0.119 R)
• M9: 10,619,803 km (0.037 R)
• M10: 11,486,573 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 858.6

Radius: 10.2

Gravity: 8.25 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.04 AU - 3.1 AU

Year: 3713 Days

Day: 5.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,558,945 km

• M1: 127,009 km (0.098 R)
• M2: 476,170 km (0.071 R)
• M3: 795,262 km (0.098 R)
• M4: 1,116,898 km (0.05 R)
• M5: 1,584,840 km (0.042 R)
• M6: 3,488,323 km (0.103 R)
• M7: 4,082,675 km (0.032 R)
• M8: 4,743,300 km (0.036 R)
• M9: 5,152,001 km (0.086 R)
• M10: 5,695,789 km (0.103 R)
• M11: 6,040,164 km (0.101 R)
• M12: 7,027,210 km (0.11 R)
• M13: 8,592,752 km (0.113 R)
• M14: 14,405,377 km (0.115 R)
• M15: 15,540,676 km (0.108 R)
• M16: 15,932,024 km (0.079 R)
• M17: 16,502,590 km (0.055 R)
• M18: 18,985,316 km (0.106 R)
• M19: 22,055,812 km (0.038 R)
• M20: 22,908,371 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 13.1

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.7 AU - 4.5 AU

Year: 4715 Days

Day: 7 Hours

Environment

Temp: -224 °C

Axial Tilt: 103.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,558,945 km

• M1: 163,510 km (0.081 R)
• M2: 651,798 km (0.046 R)
• M3: 1,352,664 km (0.106 R)
• M4: 2,160,044 km (0.115 R)
• M5: 3,358,323 km (0.048 R)
• M6: 4,136,232 km (0.089 R)
• M7: 4,819,146 km (0.102 R)
• M8: 8,672,039 km (0.098 R)
• M9: 9,202,962 km (0.116 R)
• M10: 11,172,567 km (0.1 R)
• M11: 11,887,645 km (0.042 R)
• M12: 13,223,704 km (0.065 R)
• M13: 14,460,878 km (0.12 R)
• M14: 15,158,154 km (0.09 R)
• M15: 16,352,394 km (0.12 R)
• M16: 17,109,508 km (0.063 R)
• M17: 17,776,865 km (0.055 R)
• M18: 18,810,436 km (0.098 R)
• M19: 19,223,177 km (0.051 R)
• M20: 19,641,752 km (0.061 R)
• M21: 20,497,451 km (0.042 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 546.6

Radius: 5.3

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.87 AU - 6.29 AU

Year: 10348 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,558,945 km

• M1: 65,973 km (0.117 R)
• M2: 335,249 km (0.091 R)
• M3: 670,498 km (0.085 R)
• M4: 969,843 km (0.066 R)
• M5: 1,279,959 km (0.11 R)
• M6: 1,898,696 km (0.077 R)
• M7: 2,461,035 km (0.076 R)
• M8: 3,150,681 km (0.097 R)
• M9: 4,933,588 km (0.104 R)
• M10: 5,475,132 km (0.061 R)
• M11: 6,055,423 km (0.083 R)
• M12: 7,020,927 km (0.048 R)
• M13: 7,622,610 km (0.032 R)
• M14: 9,205,655 km (0.08 R)
• M15: 10,074,070 km (0.082 R)
• M16: 11,531,453 km (0.062 R)
• M17: 12,481,698 km (0.076 R)
• M18: 13,665,317 km (0.078 R)
• M19: 14,986,565 km (0.04 R)
• M20: 15,247,613 km (0.057 R)
• M21: 15,578,075 km (0.033 R)
• M22: 20,720,651 km (0.093 R)
• M23: 21,372,001 km (0.058 R)
• M24: 25,848,866 km (0.084 R)
• M25: 26,036,163 km (0.099 R)
• M26: 27,275,581 km (0.1 R)
• M27: 28,454,263 km (0.054 R)
• M28: 29,768,929 km (0.097 R)
• M29: 32,085,153 km (0.027 R)
• M30: 34,179,972 km (0.089 R)
• M31: 35,780,520 km (0.095 R)
• M32: 36,129,980 km (0.099 R)
• M33: 36,717,301 km (0.101 R)
• M34: 37,072,746 km (0.057 R)
• M35: 40,627,939 km (0.067 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 717.7

Radius: 7

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 6.3 AU - 7.02 AU

Year: 11864 Days

Day: 19.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,558,945 km

• M1: 87,365 km (0.07 R)
• M2: 522,845 km (0.111 R)
• M3: 812,167 km (0.07 R)
• M4: 1,112,260 km (0.115 R)
• M5: 1,694,196 km (0.085 R)
• M6: 2,080,458 km (0.066 R)
• M7: 2,422,588 km (0.113 R)
• M8: 2,757,687 km (0.036 R)
• M9: 4,539,996 km (0.06 R)
• M10: 5,851,521 km (0.091 R)
• M11: 6,224,917 km (0.091 R)
• M12: 6,653,814 km (0.048 R)
• M13: 9,002,351 km (0.11 R)
• M14: 10,881,001 km (0.079 R)
• M15: 13,707,653 km (0.075 R)
• M16: 15,324,207 km (0.099 R)
• M17: 16,178,561 km (0.054 R)
• M18: 16,691,233 km (0.103 R)
• M19: 17,672,146 km (0.064 R)
• M20: 19,255,490 km (0.053 R)
• M21: 20,418,613 km (0.106 R)
• M22: 21,103,921 km (0.065 R)
• M23: 27,976,597 km (0.105 R)
• M24: 29,575,050 km (0.101 R)
• M25: 31,233,343 km (0.109 R)
• M26: 31,799,720 km (0.075 R)
• M27: 33,069,507 km (0.115 R)
• M28: 40,328,893 km (0.106 R)
• M29: 41,542,730 km (0.088 R)
• M30: 41,952,778 km (0.117 R)
• M31: 43,619,897 km (0.119 R)
• M32: 49,802,029 km (0.099 R)
• M33: 53,423,045 km (0.112 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 17,542 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit