🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 412.5

Radius: 13.1

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.56 AU - 1.72 AU

Year: 1356 Days

Day: 14.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,753,526 km

• M1: 163,361 km (0.115 R)
• M2: 748,887 km (0.1 R)
• M3: 993,629 km (0.087 R)
• M4: 1,603,240 km (0.075 R)
• M5: 1,888,673 km (0.085 R)
• M6: 2,350,631 km (0.1 R)
• M7: 2,835,478 km (0.085 R)
• M8: 3,557,288 km (0.091 R)
• M9: 3,862,617 km (0.115 R)
• M10: 4,181,111 km (0.11 R)
• M11: 4,704,255 km (0.09 R)
• M12: 5,056,558 km (0.089 R)
• M13: 5,347,675 km (0.084 R)
• M14: 6,320,061 km (0.114 R)
• M15: 6,613,273 km (0.098 R)
• M16: 6,930,121 km (0.089 R)
• M17: 8,218,009 km (0.107 R)
• M18: 8,741,901 km (0.052 R)
• M19: 9,145,516 km (0.1 R)
• M20: 9,578,303 km (0.065 R)
• M21: 10,308,640 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.7

Radius: 14.2

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.26 AU - 4.24 AU

Year: 4689 Days

Day: 10.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,753,526 km

• M1: 194,477 km (0.103 R)
• M2: 585,825 km (0.057 R)
• M3: 874,549 km (0.093 R)
• M4: 1,837,959 km (0.08 R)
• M5: 2,241,275 km (0.083 R)
• M6: 2,873,326 km (0.086 R)
• M7: 3,246,124 km (0.066 R)
• M8: 4,469,087 km (0.114 R)
• M9: 5,805,744 km (0.051 R)
• M10: 6,104,042 km (0.049 R)
• M11: 7,348,846 km (0.106 R)
• M12: 7,790,160 km (0.089 R)
• M13: 8,244,638 km (0.044 R)
• M14: 9,107,219 km (0.098 R)
• M15: 9,598,798 km (0.038 R)
• M16: 9,923,874 km (0.091 R)
• M17: 13,513,475 km (0.04 R)
• M18: 14,543,755 km (0.101 R)
• M19: 15,500,135 km (0.12 R)
• M20: 16,218,504 km (0.115 R)
• M21: 19,802,420 km (0.106 R)
• M22: 20,313,147 km (0.068 R)
• M23: 21,135,486 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 9

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 3.63 AU - 5.43 AU

Year: 6225 Days

Day: 10.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,753,526 km

• M1: 122,521 km (0.081 R)
• M2: 974,481 km (0.077 R)
• M3: 1,819,559 km (0.086 R)
• M4: 3,791,109 km (0.107 R)
• M5: 4,214,471 km (0.083 R)
• M6: 4,405,657 km (0.058 R)
• M7: 4,821,390 km (0.075 R)
• M8: 6,230,003 km (0.072 R)
• M9: 7,438,904 km (0.12 R)
• M10: 8,894,341 km (0.05 R)
• M11: 9,285,839 km (0.106 R)
• M12: 10,632,369 km (0.078 R)
• M13: 11,814,342 km (0.086 R)
• M14: 12,233,067 km (0.063 R)
• M15: 14,757,082 km (0.075 R)
• M16: 15,700,596 km (0.066 R)
• M17: 17,055,504 km (0.058 R)
• M18: 18,148,316 km (0.072 R)
• M19: 19,851,637 km (0.064 R)
• M20: 21,201,010 km (0.107 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 456.9

Radius: 4.1

Gravity: 27.18 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.03 AU - 6.97 AU

Year: 9489 Days

Day: 21.5 Hours

Environment

Temp: -223 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 56,753,526 km

• M1: 51,013 km (0.038 R)
• M2: 156,031 km (0.109 R)
• M3: 254,616 km (0.105 R)
• M4: 479,461 km (0.096 R)
• M5: 1,034,020 km (0.086 R)
• M6: 1,150,707 km (0.101 R)
• M7: 1,273,826 km (0.036 R)
• M8: 2,041,712 km (0.061 R)
• M9: 2,319,814 km (0.076 R)
• M10: 2,397,007 km (0.044 R)
• M11: 4,212,975 km (0.067 R)
• M12: 5,198,825 km (0.105 R)
• M13: 5,610,519 km (0.085 R)
• M14: 6,100,452 km (0.103 R)
• M15: 7,176,060 km (0.094 R)
• M16: 8,303,131 km (0.119 R)
• M17: 9,202,812 km (0.04 R)
• M18: 10,598,112 km (0.113 R)
• M19: 12,447,740 km (0.027 R)
• M20: 14,543,456 km (0.079 R)
• M21: 15,677,857 km (0.055 R)
• M22: 16,082,369 km (0.07 R)
• M23: 23,750,906 km (0.106 R)
• M24: 26,486,453 km (0.115 R)
• M25: 27,809,646 km (0.097 R)
• M26: 29,371,448 km (0.09 R)
• M27: 29,578,192 km (0.081 R)
• M28: 31,686,624 km (0.102 R)
• M29: 34,610,963 km (0.025 R)
• M30: 35,362,244 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 121.1

Radius: 4.5

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 6.88 AU - 7.64 AU

Year: 12630 Days

Day: 19.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 56,753,526 km

• M1: 69,862 km (0.116 R)
• M2: 345,122 km (0.097 R)
• M3: 2,177,098 km (0.093 R)
• M4: 4,305,277 km (0.093 R)
• M5: 4,610,756 km (0.068 R)
• M6: 5,803,949 km (0.103 R)
• M7: 8,507,930 km (0.027 R)
• M8: 9,410,155 km (0.071 R)
• M9: 10,575,073 km (0.073 R)
• M10: 13,600,242 km (0.094 R)
• M11: 15,431,170 km (0.101 R)
• M12: 17,612,008 km (0.049 R)
• M13: 22,513,582 km (0.095 R)
• M14: 22,833,273 km (0.107 R)
• M15: 27,487,262 km (0.106 R)
• M16: 28,434,217 km (0.094 R)
• M17: 29,215,417 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.9

Radius: 4.6

Gravity: 30.43 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 7.41 AU - 7.61 AU

Year: 13288 Days

Day: 16 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 56,753,526 km

• M1: 58,044 km (0.092 R)
• M2: 537,056 km (0.11 R)
• M3: 807,081 km (0.115 R)
• M4: 1,121,386 km (0.061 R)
• M5: 1,401,882 km (0.103 R)
• M6: 1,600,697 km (0.086 R)
• M7: 3,188,230 km (0.096 R)
• M8: 5,331,369 km (0.059 R)
• M9: 6,419,993 km (0.113 R)
• M10: 6,572,732 km (0.116 R)
• M11: 8,201,105 km (0.073 R)
• M12: 9,868,822 km (0.09 R)
• M13: 10,638,054 km (0.098 R)
• M14: 10,834,925 km (0.119 R)
• M15: 11,385,595 km (0.082 R)
• M16: 11,538,185 km (0.067 R)
• M17: 11,950,028 km (0.111 R)
• M18: 13,174,486 km (0.091 R)
• M19: 15,923,197 km (0.119 R)
• M20: 17,710,443 km (0.084 R)
• M21: 17,837,153 km (0.107 R)
• M22: 18,477,880 km (0.114 R)
• M23: 20,196,610 km (0.11 R)
• M24: 21,223,151 km (0.074 R)
• M25: 24,455,662 km (0.101 R)
• M26: 27,759,082 km (0.071 R)
• M27: 28,076,977 km (0.115 R)
• M28: 28,236,748 km (0.106 R)
• M29: 28,557,336 km (0.098 R)
• M30: 32,204,532 km (0.091 R)
• M31: 32,461,242 km (0.089 R)
• M32: 35,083,992 km (0.1 R)
• M33: 37,439,560 km (0.093 R)
• M34: 39,398,095 km (0.11 R)
• M35: 41,406,746 km (0.084 R)
• M36: 41,794,952 km (0.086 R)
• M37: 45,168,384 km (0.043 R)
• M38: 46,698,322 km (0.111 R)
• M39: 51,118,041 km (0.103 R)
• M40: 55,849,971 km (0.099 R)
• M41: 56,753,543 km (0.066 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 453 - 18,508 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit