🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.8

Radius: 8.8

Gravity: 11.92 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.52 AU - 0.52 AU

Year: 264 Days

Day: 12.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 55,486,915 km

• M1: 109,506 km (0.111 R)
• M2: 441,463 km (0.082 R)
• M3: 756,965 km (0.076 R)
• M4: 1,164,171 km (0.111 R)
• M5: 1,847,235 km (0.097 R)
• M6: 2,143,438 km (0.111 R)
• M7: 2,634,269 km (0.108 R)
• M8: 3,436,562 km (0.119 R)
• M9: 3,840,477 km (0.043 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.6

Radius: 9.2

Gravity: 10.81 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.62 AU - 0.64 AU

Year: 351 Days

Day: 11 Hours

Environment

Temp: -162 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,486,915 km

• M1: 114,442 km (0.062 R)
• M2: 461,659 km (0.106 R)
• M3: 767,287 km (0.116 R)
• M4: 1,110,016 km (0.115 R)
• M5: 1,746,256 km (0.049 R)
• M6: 2,042,310 km (0.114 R)
• M7: 2,381,299 km (0.117 R)
• M8: 2,881,704 km (0.091 R)
• M9: 3,345,008 km (0.094 R)
• M10: 3,806,518 km (0.066 R)
• M11: 4,365,415 km (0.084 R)
• M12: 4,978,168 km (0.092 R)
• M13: 5,564,293 km (0.055 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 909.9

Radius: 13

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.36 AU - 1.38 AU

Year: 1127 Days

Day: 9.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,486,915 km

• M1: 164,109 km (0.087 R)
• M2: 589,864 km (0.065 R)
• M3: 1,113,008 km (0.077 R)
• M4: 1,597,855 km (0.053 R)
• M5: 2,019,721 km (0.104 R)
• M6: 2,516,835 km (0.104 R)
• M7: 3,493,709 km (0.117 R)
• M8: 4,541,043 km (0.026 R)
• M9: 6,008,598 km (0.066 R)
• M10: 6,681,639 km (0.089 R)
• M11: 7,353,184 km (0.114 R)
• M12: 8,686,400 km (0.113 R)
• M13: 9,214,780 km (0.073 R)
• M14: 10,015,877 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.2

Radius: 11.7

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.39 AU - 2.01 AU

Year: 1558 Days

Day: 10 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 55,486,915 km

• M1: 145,559 km (0.095 R)
• M2: 671,994 km (0.119 R)
• M3: 1,230,442 km (0.055 R)
• M4: 1,968,558 km (0.119 R)
• M5: 2,643,095 km (0.073 R)
• M6: 3,240,290 km (0.112 R)
• M7: 3,751,915 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622

Radius: 14.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.42 AU - 3.28 AU

Year: 3382 Days

Day: 7.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,486,915 km

• M1: 192,532 km (0.102 R)
• M2: 666,907 km (0.099 R)
• M3: 1,277,267 km (0.062 R)
• M4: 1,825,543 km (0.072 R)
• M5: 2,487,214 km (0.064 R)
• M6: 3,094,282 km (0.101 R)
• M7: 4,408,350 km (0.115 R)
• M8: 4,865,671 km (0.097 R)
• M9: 6,813,585 km (0.071 R)
• M10: 7,652,081 km (0.028 R)
• M11: 8,316,744 km (0.111 R)
• M12: 8,983,651 km (0.103 R)
• M13: 9,686,013 km (0.117 R)
• M14: 10,305,648 km (0.077 R)
• M15: 11,158,954 km (0.099 R)
• M16: 14,298,265 km (0.041 R)
• M17: 14,848,187 km (0.09 R)
• M18: 16,043,773 km (0.064 R)
• M19: 18,923,083 km (0.112 R)
• M20: 19,525,664 km (0.103 R)
• M21: 21,867,319 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 414.4

Radius: 9.2

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 3.39 AU - 4.07 AU

Year: 5064 Days

Day: 8.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 55,486,915 km

• M1: 114,592 km (0.096 R)
• M2: 524,789 km (0.049 R)
• M3: 994,527 km (0.115 R)
• M4: 1,402,630 km (0.12 R)
• M5: 1,817,764 km (0.102 R)
• M6: 2,466,570 km (0.114 R)
• M7: 2,897,262 km (0.12 R)
• M8: 3,262,131 km (0.107 R)
• M9: 4,084,919 km (0.114 R)
• M10: 5,195,235 km (0.096 R)
• M11: 5,991,694 km (0.056 R)
• M12: 7,485,877 km (0.056 R)
• M13: 8,070,356 km (0.095 R)
• M14: 10,504,463 km (0.104 R)
• M15: 10,845,098 km (0.049 R)
• M16: 11,548,507 km (0.113 R)
• M17: 12,470,179 km (0.059 R)
• M18: 12,852,402 km (0.068 R)
• M19: 15,694,612 km (0.1 R)
• M20: 16,998,656 km (0.114 R)
• M21: 17,291,419 km (0.036 R)
• M22: 20,210,672 km (0.105 R)
• M23: 21,547,030 km (0.051 R)
• M24: 22,097,849 km (0.079 R)
• M25: 23,227,313 km (0.087 R)
• M26: 23,588,143 km (0.076 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.4

Radius: 14.7

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.22 AU - 5.12 AU

Year: 5986 Days

Day: 12.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 55,486,915 km

• M1: 182,809 km (0.105 R)
• M2: 766,689 km (0.07 R)
• M3: 1,292,825 km (0.117 R)
• M4: 2,494,993 km (0.057 R)
• M5: 3,116,273 km (0.106 R)
• M6: 3,906,748 km (0.1 R)
• M7: 5,859,898 km (0.097 R)
• M8: 8,864,272 km (0.107 R)
• M9: 10,766,858 km (0.046 R)
• M10: 11,364,053 km (0.108 R)
• M11: 15,195,703 km (0.089 R)
• M12: 15,655,866 km (0.032 R)
• M13: 16,604,167 km (0.099 R)
• M14: 18,877,755 km (0.071 R)
• M15: 20,296,242 km (0.084 R)
• M16: 20,854,841 km (0.094 R)
• M17: 23,344,748 km (0.032 R)
• M18: 24,035,591 km (0.047 R)
• M19: 24,503,832 km (0.093 R)
• M20: 24,978,207 km (0.054 R)
• M21: 25,458,566 km (0.068 R)
• M22: 25,945,208 km (0.077 R)
• M23: 28,908,442 km (0.106 R)
• M24: 29,884,568 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.6

Radius: 11

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.07 AU - 5.87 AU

Year: 7788 Days

Day: 12.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 55,486,915 km

• M1: 142,716 km (0.094 R)
• M2: 578,345 km (0.077 R)
• M3: 1,112,111 km (0.103 R)
• M4: 1,565,542 km (0.091 R)
• M5: 2,387,283 km (0.102 R)
• M6: 3,451,971 km (0.035 R)
• M7: 4,898,283 km (0.118 R)
• M8: 5,590,921 km (0.114 R)
• M9: 11,298,978 km (0.118 R)
• M10: 12,003,135 km (0.102 R)
• M11: 16,788,771 km (0.108 R)
• M12: 20,737,556 km (0.091 R)
• M13: 24,993,466 km (0.06 R)
• M14: 26,563,944 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217

Radius: 6.7

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 7.51 AU - 12.43 AU

Year: 22128 Days

Day: 20.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,486,915 km

• M1: 85,271 km (0.101 R)
• M2: 991,235 km (0.054 R)
• M3: 1,549,535 km (0.078 R)
• M4: 1,766,003 km (0.097 R)
• M5: 2,398,203 km (0.06 R)
• M6: 2,668,228 km (0.116 R)
• M7: 2,935,409 km (0.087 R)
• M8: 5,872,315 km (0.052 R)
• M9: 6,925,933 km (0.04 R)
• M10: 7,918,514 km (0.108 R)
• M11: 8,807,425 km (0.091 R)
• M12: 11,346,699 km (0.074 R)
• M13: 13,033,565 km (0.04 R)
• M14: 16,156,869 km (0.079 R)
• M15: 24,212,715 km (0.078 R)
• M16: 25,082,477 km (0.118 R)
• M17: 27,295,927 km (0.119 R)
• M18: 29,093,046 km (0.118 R)
• M19: 31,991,953 km (0.067 R)
• M20: 35,200,379 km (0.086 R)
• M21: 35,941,337 km (0.102 R)
• M22: 36,818,878 km (0.099 R)
• M23: 42,386,911 km (0.054 R)
• M24: 43,366,328 km (0.115 R)
• M25: 45,225,082 km (0.077 R)
• M26: 47,136,344 km (0.116 R)
• M27: 49,254,201 km (0.082 R)
• M28: 55,320,844 km (0.101 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 441 - 14,498 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit