🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.73 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.1

Radius: 8.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.36 AU - 1.56 AU

Year: 1139 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,316,659 km

• M1: 106,065 km (0.118 R)
• M2: 406,308 km (0.1 R)
• M3: 811,269 km (0.067 R)
• M4: 1,240,017 km (0.109 R)
• M5: 1,925,773 km (0.099 R)
• M6: 2,881,405 km (0.119 R)
• M7: 3,166,987 km (0.105 R)
• M8: 4,909,204 km (0.115 R)
• M9: 6,100,302 km (0.06 R)
• M10: 7,095,128 km (0.086 R)
• M11: 8,016,202 km (0.096 R)
• M12: 8,798,000 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 12.9

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 4.95 AU - 5.09 AU

Year: 7262 Days

Day: 11.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,316,659 km

• M1: 160,519 km (0.114 R)
• M2: 613,202 km (0.089 R)
• M3: 1,688,661 km (0.108 R)
• M4: 2,131,321 km (0.079 R)
• M5: 2,727,768 km (0.101 R)
• M6: 4,285,231 km (0.072 R)
• M7: 4,889,307 km (0.106 R)
• M8: 5,581,048 km (0.112 R)
• M9: 6,167,172 km (0.101 R)
• M10: 7,386,694 km (0.063 R)
• M11: 8,675,779 km (0.111 R)
• M12: 9,645,472 km (0.087 R)
• M13: 13,102,679 km (0.085 R)
• M14: 15,991,414 km (0.109 R)
• M15: 19,647,736 km (0.068 R)
• M16: 20,093,986 km (0.112 R)
• M17: 20,546,968 km (0.058 R)
• M18: 22,026,790 km (0.09 R)
• M19: 24,677,814 km (0.087 R)
• M20: 25,636,288 km (0.104 R)
• M21: 26,710,101 km (0.1 R)
• M22: 32,637,169 km (0.118 R)
• M23: 35,850,531 km (0.035 R)
• M24: 38,568,575 km (0.095 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.4

Radius: 4

Gravity: 53.4 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.7 AU - 6.76 AU

Year: 10040 Days

Day: 23.2 Hours

Environment

Temp: -212 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 65,316,659 km

• M1: 49,816 km (0.064 R)
• M2: 346,169 km (0.099 R)
• M3: 720,463 km (0.103 R)
• M4: 1,055,862 km (0.113 R)
• M5: 1,807,741 km (0.1 R)
• M6: 2,027,949 km (0.099 R)
• M7: 2,209,261 km (0.092 R)
• M8: 2,401,345 km (0.115 R)
• M9: 2,542,416 km (0.103 R)
• M10: 2,731,956 km (0.057 R)
• M11: 3,068,701 km (0.083 R)
• M12: 4,216,715 km (0.07 R)
• M13: 6,356,713 km (0.092 R)
• M14: 7,359,168 km (0.113 R)
• M15: 8,233,717 km (0.072 R)
• M16: 8,462,752 km (0.103 R)
• M17: 9,371,858 km (0.106 R)
• M18: 10,082,148 km (0.096 R)
• M19: 10,827,595 km (0.111 R)
• M20: 12,607,809 km (0.112 R)
• M21: 15,318,074 km (0.114 R)
• M22: 23,830,342 km (0.102 R)
• M23: 29,072,102 km (0.114 R)
• M24: 34,202,412 km (0.057 R)
• M25: 34,556,510 km (0.107 R)
• M26: 36,119,359 km (0.117 R)
• M27: 37,353,092 km (0.081 R)
• M28: 37,478,007 km (0.073 R)
• M29: 37,980,356 km (0.075 R)
• M30: 41,089,449 km (0.087 R)
• M31: 41,222,441 km (0.055 R)
• M32: 42,979,169 km (0.093 R)
• M33: 45,635,279 km (0.064 R)
• M34: 50,200,408 km (0.094 R)
• M35: 51,580,598 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146

Radius: 6.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 6.25 AU - 10.29 AU

Year: 15356 Days

Day: 22.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,316,659 km

• M1: 84,523 km (0.083 R)
• M2: 416,929 km (0.074 R)
• M3: 1,152,801 km (0.086 R)
• M4: 2,187,570 km (0.084 R)
• M5: 2,705,328 km (0.096 R)
• M6: 3,024,271 km (0.118 R)
• M7: 4,185,599 km (0.116 R)
• M8: 5,099,043 km (0.093 R)
• M9: 5,493,084 km (0.119 R)
• M10: 6,240,026 km (0.107 R)
• M11: 6,762,422 km (0.096 R)
• M12: 7,933,923 km (0.086 R)
• M13: 10,383,289 km (0.101 R)
• M14: 12,199,856 km (0.083 R)
• M15: 14,937,946 km (0.11 R)
• M16: 18,619,699 km (0.105 R)
• M17: 21,127,258 km (0.074 R)
• M18: 22,381,637 km (0.09 R)
• M19: 23,851,286 km (0.063 R)
• M20: 25,038,046 km (0.117 R)
• M21: 27,620,554 km (0.074 R)
• M22: 30,277,412 km (0.07 R)
• M23: 31,768,604 km (0.092 R)
• M24: 32,174,313 km (0.034 R)
• M25: 36,980,444 km (0.03 R)
• M26: 38,109,758 km (0.118 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 378

Radius: 4.9

Gravity: 15.74 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 7.34 AU - 9.74 AU

Year: 16114 Days

Day: 21.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,316,659 km

• M1: 60,886 km (0.116 R)
• M2: 391,797 km (0.044 R)
• M3: 675,734 km (0.106 R)
• M4: 3,646,598 km (0.087 R)
• M5: 4,785,486 km (0.112 R)
• M6: 6,372,570 km (0.096 R)
• M7: 9,288,532 km (0.114 R)
• M8: 10,215,889 km (0.096 R)
• M9: 12,739,455 km (0.112 R)
• M10: 13,947,159 km (0.077 R)
• M11: 18,259,617 km (0.068 R)
• M12: 33,561,983 km (0.08 R)
• M13: 36,719,695 km (0.074 R)
• M14: 53,393,126 km (0.045 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.8

Radius: 3.8

Gravity: 28.45 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 8.01 AU - 12.07 AU

Year: 20541 Days

Day: 23.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 151.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,316,659 km

• M1: 47,273 km (0.045 R)
• M2: 204,351 km (0.077 R)
• M3: 927,208 km (0.039 R)
• M4: 1,303,596 km (0.098 R)
• M5: 1,739,973 km (0.045 R)
• M6: 1,917,396 km (0.042 R)
• M7: 2,067,891 km (0.098 R)
• M8: 2,727,468 km (0.115 R)
• M9: 2,967,274 km (0.066 R)
• M10: 3,489,221 km (0.085 R)
• M11: 4,009,073 km (0.067 R)
• M12: 4,255,910 km (0.103 R)
• M13: 5,915,997 km (0.043 R)
• M14: 6,358,957 km (0.078 R)
• M15: 6,867,141 km (0.064 R)
• M16: 7,726,132 km (0.063 R)
• M17: 10,324,796 km (0.087 R)
• M18: 11,694,814 km (0.035 R)
• M19: 14,500,821 km (0.085 R)
• M20: 15,229,512 km (0.072 R)
• M21: 15,602,759 km (0.118 R)
• M22: 19,415,410 km (0.086 R)
• M23: 21,118,133 km (0.086 R)
• M24: 26,710,999 km (0.051 R)
• M25: 27,144,534 km (0.097 R)
• M26: 28,025,665 km (0.099 R)
• M27: 29,153,783 km (0.118 R)
• M28: 29,382,967 km (0.109 R)
• M29: 29,728,986 km (0.107 R)
• M30: 32,472,611 km (0.067 R)
• M31: 38,732,684 km (0.091 R)
• M32: 39,287,991 km (0.108 R)
• M33: 41,707,288 km (0.059 R)
• M34: 43,473,440 km (0.076 R)
• M35: 46,060,137 km (0.094 R)
• M36: 55,479,118 km (0.087 R)
• M37: 58,700,409 km (0.11 R)
• M38: 63,186,401 km (0.096 R)
• M39: 64,148,913 km (0.118 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 16,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit