🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.9

Radius: 14.4

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.88 AU - 1.2 AU

Year: 746 Days

Day: 11.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 56,509,204 km

• M1: 182,210 km (0.048 R)
• M2: 655,089 km (0.11 R)
• M3: 1,668,166 km (0.07 R)
• M4: 2,681,392 km (0.094 R)
• M5: 3,552,351 km (0.071 R)
• M6: 4,011,766 km (0.079 R)
• M7: 4,645,762 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286.2

Radius: 12.2

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.26 AU - 1.38 AU

Year: 1066 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,509,204 km

• M1: 151,692 km (0.086 R)
• M2: 542,442 km (0.116 R)
• M3: 972,386 km (0.096 R)
• M4: 1,654,403 km (0.065 R)
• M5: 2,090,780 km (0.107 R)
• M6: 3,407,092 km (0.109 R)
• M7: 3,859,775 km (0.051 R)
• M8: 4,244,540 km (0.104 R)
• M9: 4,803,438 km (0.094 R)
• M10: 5,538,562 km (0.063 R)
• M11: 6,864,897 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.7

Radius: 11.4

Gravity: 6.22 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.42 AU - 1.66 AU

Year: 1343 Days

Day: 12 Hours

Environment

Temp: -198 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,509,204 km

• M1: 142,118 km (0.112 R)
• M2: 500,255 km (0.066 R)
• M3: 886,218 km (0.113 R)
• M4: 1,253,929 km (0.061 R)
• M5: 1,697,936 km (0.115 R)
• M6: 2,076,867 km (0.073 R)
• M7: 2,438,146 km (0.112 R)
• M8: 2,814,385 km (0.107 R)
• M9: 4,348,661 km (0.091 R)
• M10: 4,866,868 km (0.103 R)
• M11: 5,621,589 km (0.091 R)
• M12: 6,476,840 km (0.093 R)
• M13: 7,470,020 km (0.092 R)
• M14: 8,158,320 km (0.076 R)
• M15: 8,948,645 km (0.104 R)
• M16: 11,412,971 km (0.051 R)
• M17: 12,514,909 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.2

Radius: 13.5

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.12 AU - 2.32 AU

Year: 2325 Days

Day: 8.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,509,204 km

• M1: 169,794 km (0.052 R)
• M2: 596,746 km (0.074 R)
• M3: 1,056,759 km (0.083 R)
• M4: 1,742,965 km (0.057 R)
• M5: 2,170,366 km (0.047 R)
• M6: 3,347,851 km (0.1 R)
• M7: 3,920,811 km (0.119 R)
• M8: 4,408,799 km (0.114 R)
• M9: 5,029,630 km (0.1 R)
• M10: 6,392,317 km (0.085 R)
• M11: 7,799,135 km (0.082 R)
• M12: 9,727,003 km (0.054 R)
• M13: 10,588,687 km (0.032 R)
• M14: 12,123,262 km (0.114 R)
• M15: 13,032,518 km (0.109 R)
• M16: 13,572,267 km (0.065 R)
• M17: 14,600,453 km (0.078 R)
• M18: 15,983,485 km (0.06 R)
• M19: 18,386,775 km (0.109 R)
• M20: 18,838,112 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.7

Radius: 13

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.09 AU - 2.87 AU

Year: 2745 Days

Day: 11.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,509,204 km

• M1: 167,998 km (0.096 R)
• M2: 573,259 km (0.106 R)
• M3: 1,101,340 km (0.111 R)
• M4: 1,720,376 km (0.103 R)
• M5: 2,149,721 km (0.115 R)
• M6: 4,799,997 km (0.111 R)
• M7: 5,232,485 km (0.097 R)
• M8: 5,715,835 km (0.057 R)
• M9: 6,308,692 km (0.096 R)
• M10: 6,857,118 km (0.073 R)
• M11: 7,956,213 km (0.049 R)
• M12: 8,930,843 km (0.09 R)
• M13: 10,806,651 km (0.103 R)
• M14: 11,353,880 km (0.085 R)
• M15: 12,167,543 km (0.095 R)
• M16: 14,372,167 km (0.11 R)
• M17: 17,514,171 km (0.088 R)
• M18: 17,943,367 km (0.119 R)
• M19: 18,545,199 km (0.043 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.5

Radius: 4.5

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.84 AU - 6.12 AU

Year: 9017 Days

Day: 21 Hours

Environment

Temp: -225 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 56,509,204 km

• M1: 58,044 km (0.095 R)
• M2: 265,835 km (0.111 R)
• M3: 1,030,729 km (0.089 R)
• M4: 1,275,920 km (0.116 R)
• M5: 3,929,038 km (0.076 R)
• M6: 8,995,769 km (0.068 R)
• M7: 10,286,948 km (0.082 R)
• M8: 12,721,803 km (0.078 R)
• M9: 17,238,163 km (0.105 R)
• M10: 22,203,765 km (0.117 R)
• M11: 22,423,075 km (0.096 R)
• M12: 22,866,035 km (0.063 R)
• M13: 23,845,601 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 337.4

Radius: 4.4

Gravity: 17.43 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.18 AU - 9.22 AU

Year: 15019 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,509,204 km

• M1: 55,351 km (0.092 R)
• M2: 998,715 km (0.088 R)
• M3: 1,166,863 km (0.096 R)
• M4: 1,340,846 km (0.118 R)
• M5: 1,517,820 km (0.095 R)
• M6: 1,969,606 km (0.073 R)
• M7: 2,797,480 km (0.118 R)
• M8: 3,157,712 km (0.104 R)
• M9: 3,624,906 km (0.044 R)
• M10: 3,915,575 km (0.107 R)
• M11: 5,782,556 km (0.088 R)
• M12: 6,179,439 km (0.105 R)
• M13: 6,828,395 km (0.059 R)
• M14: 8,441,209 km (0.116 R)
• M15: 10,343,646 km (0.102 R)
• M16: 12,278,544 km (0.11 R)
• M17: 14,507,254 km (0.085 R)
• M18: 16,919,070 km (0.096 R)
• M19: 17,803,792 km (0.08 R)
• M20: 21,059,640 km (0.106 R)
• M21: 27,197,940 km (0.113 R)
• M22: 27,497,734 km (0.088 R)
• M23: 30,188,402 km (0.071 R)
• M24: 34,196,428 km (0.117 R)
• M25: 35,250,943 km (0.096 R)
• M26: 36,569,199 km (0.114 R)
• M27: 38,922,972 km (0.104 R)
• M28: 42,572,712 km (0.114 R)
• M29: 42,841,838 km (0.096 R)
• M30: 44,896,415 km (0.078 R)
• M31: 48,172,758 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371.2

Radius: 3.4

Gravity: 32.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.3 AU - 8.68 AU

Year: 17389 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,509,204 km

• M1: 45,627 km (0.085 R)
• M2: 187,446 km (0.11 R)
• M3: 429,645 km (0.096 R)
• M4: 543,190 km (0.116 R)
• M5: 1,322,146 km (0.065 R)
• M6: 2,281,368 km (0.084 R)
• M7: 2,442,634 km (0.105 R)
• M8: 3,821,178 km (0.095 R)
• M9: 4,438,419 km (0.109 R)
• M10: 5,222,162 km (0.086 R)
• M11: 6,170,763 km (0.085 R)
• M12: 7,444,888 km (0.12 R)
• M13: 7,621,114 km (0.074 R)
• M14: 7,800,183 km (0.111 R)
• M15: 8,737,712 km (0.097 R)
• M16: 9,488,245 km (0.07 R)
• M17: 10,833,279 km (0.081 R)
• M18: 13,499,861 km (0.091 R)
• M19: 16,573,200 km (0.114 R)
• M20: 17,485,747 km (0.068 R)
• M21: 19,162,440 km (0.086 R)
• M22: 20,423,700 km (0.11 R)
• M23: 22,646,874 km (0.112 R)
• M24: 22,831,328 km (0.076 R)
• M25: 24,055,338 km (0.101 R)
• M26: 29,718,963 km (0.108 R)
• M27: 31,749,306 km (0.068 R)
• M28: 36,842,515 km (0.116 R)
• M29: 37,482,943 km (0.111 R)
• M30: 39,849,731 km (0.101 R)
• M31: 40,253,645 km (0.11 R)
• M32: 45,169,431 km (0.093 R)
• M33: 51,418,883 km (0.062 R)
• M34: 53,678,110 km (0.119 R)
• M35: 55,834,264 km (0.087 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 13,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit