🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.8

Radius: 13.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.02 AU - 1.22 AU

Year: 778 Days

Day: 13.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 44.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,800,533 km

• M1: 166,802 km (0.034 R)
• M2: 858,841 km (0.091 R)
• M3: 1,370,765 km (0.113 R)
• M4: 1,801,906 km (0.095 R)
• M5: 2,592,382 km (0.045 R)
• M6: 3,129,288 km (0.116 R)
• M7: 3,951,329 km (0.041 R)
• M8: 4,602,678 km (0.067 R)
• M9: 5,948,311 km (0.079 R)
• M10: 6,620,155 km (0.079 R)
• M11: 7,038,580 km (0.115 R)
• M12: 7,768,019 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.8

Radius: 14.2

Gravity: 4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.23 AU - 1.69 AU

Year: 1157 Days

Day: 13.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,800,533 km

• M1: 176,675 km (0.089 R)
• M2: 1,028,934 km (0.069 R)
• M3: 1,544,149 km (0.087 R)
• M4: 2,051,286 km (0.043 R)
• M5: 2,772,497 km (0.105 R)
• M6: 3,534,250 km (0.102 R)
• M7: 4,134,137 km (0.101 R)
• M8: 4,595,796 km (0.111 R)
• M9: 6,946,428 km (0.102 R)
• M10: 8,439,115 km (0.097 R)
• M11: 10,104,887 km (0.065 R)
• M12: 10,618,906 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 541.6

Radius: 11.9

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.64 AU - 1.68 AU

Year: 1403 Days

Day: 8 Hours

Environment

Temp: -180 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,800,533 km

• M1: 147,952 km (0.112 R)
• M2: 584,479 km (0.078 R)
• M3: 1,011,282 km (0.088 R)
• M4: 1,430,754 km (0.034 R)
• M5: 2,040,365 km (0.086 R)
• M6: 2,600,310 km (0.1 R)
• M7: 3,217,551 km (0.076 R)
• M8: 3,686,989 km (0.106 R)
• M9: 4,504,691 km (0.073 R)
• M10: 4,898,881 km (0.119 R)
• M11: 5,418,884 km (0.076 R)
• M12: 5,822,050 km (0.096 R)
• M13: 6,499,579 km (0.103 R)
• M14: 7,771,310 km (0.107 R)
• M15: 8,822,086 km (0.05 R)
• M16: 9,321,892 km (0.103 R)
• M17: 10,378,203 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 232.4

Radius: 12.1

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.59 AU - 3.21 AU

Year: 3240 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,800,533 km

• M1: 171,290 km (0.096 R)
• M2: 676,781 km (0.06 R)
• M3: 1,127,818 km (0.096 R)
• M4: 1,910,365 km (0.116 R)
• M5: 2,749,160 km (0.116 R)
• M6: 3,391,085 km (0.109 R)
• M7: 5,623,384 km (0.12 R)
• M8: 6,582,905 km (0.077 R)
• M9: 9,341,938 km (0.097 R)
• M10: 9,844,437 km (0.06 R)
• M11: 12,233,665 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 9.3

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.98 AU - 3.58 AU

Year: 3897 Days

Day: 6.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 42.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,800,533 km

• M1: 115,639 km (0.115 R)
• M2: 442,810 km (0.06 R)
• M3: 844,630 km (0.088 R)
• M4: 1,213,239 km (0.069 R)
• M5: 1,541,307 km (0.072 R)
• M6: 1,873,713 km (0.052 R)
• M7: 3,715,862 km (0.081 R)
• M8: 4,049,315 km (0.117 R)
• M9: 4,971,885 km (0.092 R)
• M10: 5,628,171 km (0.118 R)
• M11: 6,577,070 km (0.092 R)
• M12: 6,976,198 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.6

Radius: 12.4

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.85 AU - 6.13 AU

Year: 7312 Days

Day: 6.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 68,800,533 km

• M1: 157,078 km (0.093 R)
• M2: 587,920 km (0.106 R)
• M3: 1,043,894 km (0.049 R)
• M4: 1,604,437 km (0.086 R)
• M5: 3,255,399 km (0.083 R)
• M6: 4,500,054 km (0.118 R)
• M7: 6,211,304 km (0.117 R)
• M8: 6,967,521 km (0.113 R)
• M9: 7,544,669 km (0.12 R)
• M10: 8,279,045 km (0.087 R)
• M11: 9,150,453 km (0.07 R)
• M12: 9,655,346 km (0.104 R)
• M13: 13,490,736 km (0.107 R)
• M14: 17,602,134 km (0.066 R)
• M15: 18,384,382 km (0.087 R)
• M16: 18,894,061 km (0.086 R)
• M17: 21,425,407 km (0.12 R)
• M18: 23,065,149 km (0.116 R)
• M19: 26,778,468 km (0.081 R)
• M20: 30,364,927 km (0.041 R)
• M21: 36,956,957 km (0.059 R)
• M22: 37,419,813 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 11

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 4.64 AU - 6.14 AU

Year: 8209 Days

Day: 5.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,800,533 km

• M1: 137,929 km (0.089 R)
• M2: 576,999 km (0.074 R)
• M3: 1,003,802 km (0.096 R)
• M4: 1,441,974 km (0.101 R)
• M5: 1,942,977 km (0.041 R)
• M6: 2,297,674 km (0.083 R)
• M7: 5,365,627 km (0.109 R)
• M8: 6,073,075 km (0.119 R)
• M9: 6,765,713 km (0.068 R)
• M10: 7,551,102 km (0.096 R)
• M11: 8,439,863 km (0.118 R)
• M12: 11,204,133 km (0.042 R)
• M13: 11,855,033 km (0.069 R)
• M14: 12,473,620 km (0.086 R)
• M15: 13,054,509 km (0.077 R)
• M16: 14,083,443 km (0.064 R)
• M17: 16,647,251 km (0.069 R)
• M18: 18,445,567 km (0.039 R)
• M19: 18,971,553 km (0.032 R)
• M20: 19,430,220 km (0.09 R)
• M21: 20,132,283 km (0.102 R)
• M22: 21,257,708 km (0.091 R)
• M23: 22,680,234 km (0.115 R)
• M24: 27,134,511 km (0.084 R)
• M25: 29,109,202 km (0.073 R)
• M26: 36,070,739 km (0.071 R)
• M27: 41,197,010 km (0.059 R)
• M28: 44,737,094 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.5

Radius: 4.7

Gravity: 44.43 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.41 AU - 7.77 AU

Year: 11098 Days

Day: 22.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,800,533 km

• M1: 58,493 km (0.094 R)
• M2: 295,456 km (0.091 R)
• M3: 691,591 km (0.088 R)
• M4: 858,393 km (0.111 R)
• M5: 1,222,963 km (0.086 R)
• M6: 2,233,945 km (0.114 R)
• M7: 2,603,751 km (0.109 R)
• M8: 4,531,918 km (0.116 R)
• M9: 5,157,686 km (0.101 R)
• M10: 5,690,853 km (0.034 R)
• M11: 8,101,323 km (0.12 R)
• M12: 10,944,879 km (0.107 R)
• M13: 11,174,363 km (0.117 R)
• M14: 13,716,330 km (0.034 R)
• M15: 15,298,776 km (0.102 R)
• M16: 18,495,084 km (0.096 R)
• M17: 18,820,908 km (0.085 R)
• M18: 19,233,649 km (0.072 R)
• M19: 19,906,390 km (0.068 R)
• M20: 22,201,072 km (0.074 R)
• M21: 22,847,784 km (0.053 R)
• M22: 30,132,302 km (0.092 R)
• M23: 33,625,861 km (0.089 R)
• M24: 37,380,170 km (0.085 R)
• M25: 42,383,171 km (0.079 R)
• M26: 43,234,383 km (0.117 R)
• M27: 45,559,882 km (0.105 R)
• M28: 48,428,122 km (0.101 R)
• M29: 52,220,129 km (0.058 R)
• M30: 53,691,723 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 367.5

Radius: 6.1

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 8.58 AU - 13.14 AU

Year: 23478 Days

Day: 17.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,800,533 km

• M1: 78,838 km (0.115 R)
• M2: 336,745 km (0.107 R)
• M3: 585,376 km (0.105 R)
• M4: 1,283,699 km (0.083 R)
• M5: 1,474,137 km (0.08 R)
• M6: 1,734,737 km (0.104 R)
• M7: 2,244,417 km (0.112 R)
• M8: 2,545,557 km (0.05 R)
• M9: 2,873,476 km (0.091 R)
• M10: 3,202,741 km (0.054 R)
• M11: 4,507,384 km (0.111 R)
• M12: 7,256,694 km (0.07 R)
• M13: 11,078,919 km (0.086 R)
• M14: 13,209,342 km (0.104 R)
• M15: 15,144,241 km (0.103 R)
• M16: 16,061,725 km (0.117 R)
• M17: 19,744,226 km (0.113 R)
• M18: 20,745,634 km (0.045 R)
• M19: 22,750,844 km (0.12 R)
• M20: 23,850,987 km (0.087 R)
• M21: 24,673,177 km (0.065 R)
• M22: 27,363,994 km (0.082 R)
• M23: 27,699,542 km (0.037 R)
• M24: 28,953,321 km (0.089 R)
• M25: 33,067,113 km (0.099 R)
• M26: 38,385,916 km (0.101 R)
• M27: 45,801,034 km (0.11 R)
• M28: 47,069,624 km (0.118 R)
• M29: 47,551,329 km (0.117 R)
• M30: 59,558,652 km (0.118 R)
• M31: 62,218,802 km (0.103 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,397 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit