🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 684.1

Radius: 13.4

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.97 AU - 1.37 AU

Year: 874 Days

Day: 5 Hours

Environment

Temp: -190 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,455,979 km

• M1: 166,951 km (0.087 R)
• M2: 620,981 km (0.097 R)
• M3: 1,086,380 km (0.098 R)
• M4: 1,625,680 km (0.043 R)
• M5: 2,118,455 km (0.073 R)
• M6: 2,561,714 km (0.113 R)
• M7: 3,118,966 km (0.103 R)
• M8: 4,122,917 km (0.032 R)
• M9: 4,666,107 km (0.11 R)
• M10: 5,182,818 km (0.1 R)
• M11: 6,142,937 km (0.081 R)
• M12: 6,876,715 km (0.111 R)
• M13: 7,692,173 km (0.035 R)
• M14: 8,834,502 km (0.043 R)
• M15: 9,404,919 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.6

Radius: 8.5

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.21 AU - 1.45 AU

Year: 1059 Days

Day: 14.6 Hours

Environment

Temp: -191 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,455,979 km

• M1: 105,766 km (0.039 R)
• M2: 410,347 km (0.089 R)
• M3: 777,311 km (0.114 R)
• M4: 1,263,803 km (0.06 R)
• M5: 1,584,241 km (0.096 R)
• M6: 2,275,683 km (0.087 R)
• M7: 2,658,504 km (0.107 R)
• M8: 3,566,712 km (0.101 R)
• M9: 4,273,712 km (0.061 R)
• M10: 5,170,701 km (0.096 R)
• M11: 5,672,901 km (0.065 R)
• M12: 6,896,163 km (0.057 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.5

Radius: 11.8

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 5.09 AU - 5.87 AU

Year: 8855 Days

Day: 7.8 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 82,455,979 km

• M1: 147,055 km (0.059 R)
• M2: 1,233,285 km (0.058 R)
• M3: 2,216,592 km (0.095 R)
• M4: 2,867,791 km (0.093 R)
• M5: 5,751,141 km (0.092 R)
• M6: 6,163,881 km (0.038 R)
• M7: 6,885,242 km (0.065 R)
• M8: 8,017,548 km (0.08 R)
• M9: 9,033,168 km (0.069 R)
• M10: 9,756,624 km (0.094 R)
• M11: 11,228,218 km (0.103 R)
• M12: 13,757,918 km (0.06 R)
• M13: 15,435,060 km (0.041 R)
• M14: 18,932,209 km (0.049 R)
• M15: 20,727,533 km (0.086 R)
• M16: 28,115,873 km (0.1 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 83.5

Radius: 7.9

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 5.52 AU - 5.86 AU

Year: 9369 Days

Day: 15.8 Hours

Environment

Temp: -236 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 82,455,979 km

• M1: 117,734 km (0.077 R)
• M2: 388,506 km (0.107 R)
• M3: 1,312,273 km (0.072 R)
• M4: 2,667,180 km (0.083 R)
• M5: 8,276,203 km (0.041 R)
• M6: 12,682,309 km (0.073 R)
• M7: 16,017,145 km (0.098 R)
• M8: 16,892,143 km (0.108 R)
• M9: 17,798,706 km (0.118 R)
• M10: 22,216,032 km (0.074 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 234.3

Radius: 4.6

Gravity: 11.07 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.36 AU - 6.54 AU

Year: 10018 Days

Day: 19.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 156.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,455,979 km

• M1: 57,595 km (0.071 R)
• M2: 202,256 km (0.036 R)
• M3: 371,900 km (0.067 R)
• M4: 568,322 km (0.061 R)
• M5: 761,603 km (0.091 R)
• M6: 1,186,311 km (0.081 R)
• M7: 1,432,998 km (0.103 R)
• M8: 1,726,958 km (0.097 R)
• M9: 2,014,335 km (0.099 R)
• M10: 2,250,102 km (0.097 R)
• M11: 2,796,134 km (0.08 R)
• M12: 3,670,683 km (0.106 R)
• M13: 6,628,382 km (0.065 R)
• M14: 10,315,820 km (0.032 R)
• M15: 10,592,277 km (0.068 R)
• M16: 12,304,126 km (0.114 R)
• M17: 17,666,013 km (0.087 R)
• M18: 18,870,874 km (0.098 R)
• M19: 19,844,906 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 977.3

Radius: 4.2

Gravity: 55.4 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.81 AU - 7.45 AU

Year: 13142 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 82,455,979 km

• M1: 138,378 km (0.089 R)
• M2: 731,683 km (0.056 R)
• M3: 969,095 km (0.091 R)
• M4: 1,269,787 km (0.078 R)
• M5: 1,502,860 km (0.103 R)
• M6: 2,572,335 km (0.093 R)
• M7: 3,020,381 km (0.049 R)
• M8: 3,197,804 km (0.118 R)
• M9: 3,490,866 km (0.098 R)
• M10: 4,742,851 km (0.053 R)
• M11: 5,600,346 km (0.088 R)
• M12: 5,868,724 km (0.096 R)
• M13: 10,814,729 km (0.061 R)
• M14: 12,804,680 km (0.079 R)
• M15: 15,320,617 km (0.093 R)
• M16: 16,304,522 km (0.118 R)
• M17: 19,334,328 km (0.068 R)
• M18: 21,862,083 km (0.119 R)
• M19: 23,896,465 km (0.113 R)
• M20: 24,197,007 km (0.091 R)
• M21: 26,265,497 km (0.094 R)
• M22: 29,240,699 km (0.029 R)
• M23: 30,280,404 km (0.061 R)
• M24: 30,632,258 km (0.106 R)
• M25: 31,825,152 km (0.088 R)
• M26: 42,356,543 km (0.095 R)
• M27: 43,388,319 km (0.094 R)
• M28: 54,470,081 km (0.109 R)
• M29: 58,727,038 km (0.085 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.8

Radius: 3.9

Gravity: 58.3 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.63 AU - 10.13 AU

Year: 19830 Days

Day: 15.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 82,455,979 km

• M1: 48,470 km (0.115 R)
• M2: 173,833 km (0.074 R)
• M3: 453,431 km (0.092 R)
• M4: 613,800 km (0.115 R)
• M5: 1,670,559 km (0.111 R)
• M6: 1,818,961 km (0.029 R)
• M7: 2,825,455 km (0.093 R)
• M8: 3,064,213 km (0.099 R)
• M9: 6,197,690 km (0.082 R)
• M10: 6,738,636 km (0.108 R)
• M11: 6,973,056 km (0.032 R)
• M12: 8,549,818 km (0.115 R)
• M13: 12,809,617 km (0.111 R)
• M14: 13,315,258 km (0.109 R)
• M15: 13,684,465 km (0.097 R)
• M16: 14,060,405 km (0.055 R)
• M17: 17,848,522 km (0.091 R)
• M18: 18,570,032 km (0.115 R)
• M19: 22,161,429 km (0.094 R)
• M20: 24,612,290 km (0.102 R)
• M21: 31,974,899 km (0.088 R)
• M22: 42,877,143 km (0.046 R)
• M23: 43,197,582 km (0.096 R)
• M24: 47,509,441 km (0.064 R)
• M25: 56,206,912 km (0.112 R)
• M26: 56,398,547 km (0.107 R)
• M27: 57,752,408 km (0.095 R)
• M28: 60,726,264 km (0.115 R)
• M29: 61,333,033 km (0.065 R)
• M30: 66,977,061 km (0.091 R)
• M31: 68,713,444 km (0.09 R)
• M32: 74,563,917 km (0.095 R)
• M33: 75,725,694 km (0.084 R)
• M34: 77,847,441 km (0.109 R)
• M35: 78,085,601 km (0.103 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: 216 - 14,957 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit