🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 329.7

Radius: 10.8

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.51 AU - 0.77 AU

Year: 360 Days

Day: 13.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,592,446 km

• M1: 134,339 km (0.073 R)
• M2: 583,282 km (0.067 R)
• M3: 968,497 km (0.108 R)
• M4: 1,320,201 km (0.096 R)
• M5: 1,726,210 km (0.037 R)
• M6: 2,456,696 km (0.072 R)
• M7: 3,021,428 km (0.079 R)
• M8: 3,704,342 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 12.4

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.8 AU - 1.26 AU

Year: 735 Days

Day: 5.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 44,592,446 km

• M1: 154,235 km (0.119 R)
• M2: 565,330 km (0.052 R)
• M3: 1,219,671 km (0.108 R)
• M4: 1,691,653 km (0.116 R)
• M5: 2,775,639 km (0.099 R)
• M6: 4,015,356 km (0.046 R)
• M7: 6,326,793 km (0.051 R)
• M8: 6,748,510 km (0.047 R)
• M9: 7,166,486 km (0.113 R)
• M10: 7,742,887 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.3

Radius: 8.6

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.08 AU - 1.6 AU

Year: 1090 Days

Day: 8.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,592,446 km

• M1: 106,962 km (0.114 R)
• M2: 390,151 km (0.095 R)
• M3: 852,857 km (0.073 R)
• M4: 1,232,088 km (0.12 R)
• M5: 1,929,214 km (0.094 R)
• M6: 2,221,080 km (0.076 R)
• M7: 2,579,965 km (0.083 R)
• M8: 3,019,334 km (0.093 R)
• M9: 3,461,396 km (0.087 R)
• M10: 5,357,100 km (0.083 R)
• M11: 7,127,740 km (0.069 R)
• M12: 7,435,164 km (0.101 R)
• M13: 7,858,825 km (0.1 R)
• M14: 8,214,868 km (0.084 R)
• M15: 9,439,326 km (0.043 R)
• M16: 9,999,720 km (0.104 R)
• M17: 11,186,929 km (0.105 R)
• M18: 11,993,112 km (0.115 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 510.8

Radius: 8.1

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.07 AU - 2.47 AU

Year: 2404 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,592,446 km

• M1: 100,829 km (0.107 R)
• M2: 893,099 km (0.095 R)
• M3: 1,161,777 km (0.051 R)
• M4: 1,475,783 km (0.072 R)
• M5: 1,948,213 km (0.111 R)
• M6: 2,573,682 km (0.097 R)
• M7: 3,293,098 km (0.104 R)
• M8: 3,763,434 km (0.094 R)
• M9: 4,418,523 km (0.116 R)
• M10: 5,855,111 km (0.096 R)
• M11: 6,652,767 km (0.1 R)
• M12: 8,431,037 km (0.12 R)
• M13: 9,110,510 km (0.116 R)
• M14: 11,445,733 km (0.112 R)
• M15: 12,689,041 km (0.062 R)
• M16: 14,833,975 km (0.111 R)
• M17: 15,393,920 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259.4

Radius: 11.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.1 AU - 2.84 AU

Year: 2729 Days

Day: 5.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 44,592,446 km

• M1: 145,559 km (0.074 R)
• M2: 596,896 km (0.103 R)
• M3: 1,049,279 km (0.108 R)
• M4: 1,674,000 km (0.118 R)
• M5: 2,470,758 km (0.109 R)
• M6: 2,862,854 km (0.065 R)
• M7: 4,431,538 km (0.114 R)
• M8: 4,849,215 km (0.064 R)
• M9: 6,141,890 km (0.113 R)
• M10: 7,964,441 km (0.078 R)
• M11: 8,434,029 km (0.113 R)
• M12: 9,173,192 km (0.095 R)
• M13: 10,710,011 km (0.066 R)
• M14: 11,688,530 km (0.116 R)
• M15: 12,218,855 km (0.117 R)
• M16: 12,686,199 km (0.112 R)
• M17: 13,205,902 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.9

Radius: 10

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.58 AU - 2.9 AU

Year: 3188 Days

Day: 6.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 44,592,446 km

• M1: 124,316 km (0.102 R)
• M2: 1,184,666 km (0.1 R)
• M3: 1,564,495 km (0.034 R)
• M4: 2,895,317 km (0.068 R)
• M5: 3,295,491 km (0.064 R)
• M6: 4,936,580 km (0.078 R)
• M7: 6,268,450 km (0.119 R)
• M8: 8,159,367 km (0.111 R)
• M9: 9,180,223 km (0.118 R)
• M10: 9,513,826 km (0.111 R)
• M11: 10,847,641 km (0.041 R)
• M12: 11,431,671 km (0.073 R)
• M13: 12,213,170 km (0.106 R)
• M14: 13,216,373 km (0.057 R)
• M15: 15,128,234 km (0.074 R)
• M16: 17,669,005 km (0.108 R)
• M17: 19,130,277 km (0.105 R)
• M18: 20,481,444 km (0.078 R)
• M19: 20,924,553 km (0.112 R)
• M20: 21,309,319 km (0.055 R)
• M21: 22,225,456 km (0.08 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143

Radius: 11.7

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.7 AU - 3.14 AU

Year: 3507 Days

Day: 13 Hours

Environment

Temp: -214 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 44,592,446 km

• M1: 145,559 km (0.109 R)
• M2: 595,549 km (0.072 R)
• M3: 1,089,072 km (0.084 R)
• M4: 2,590,287 km (0.108 R)
• M5: 3,432,972 km (0.062 R)
• M6: 3,918,716 km (0.077 R)
• M7: 4,683,760 km (0.063 R)
• M8: 5,657,642 km (0.11 R)
• M9: 6,216,988 km (0.104 R)
• M10: 7,392,528 km (0.039 R)
• M11: 8,560,289 km (0.087 R)
• M12: 10,519,722 km (0.088 R)
• M13: 10,902,693 km (0.07 R)
• M14: 14,099,749 km (0.069 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 317.5

Radius: 9.9

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.48 AU - 3.38 AU

Year: 3525 Days

Day: 6.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,592,446 km

• M1: 123,119 km (0.092 R)
• M2: 435,330 km (0.034 R)
• M3: 959,820 km (0.105 R)
• M4: 1,437,486 km (0.095 R)
• M5: 1,787,695 km (0.12 R)
• M6: 2,169,468 km (0.116 R)
• M7: 2,505,465 km (0.091 R)
• M8: 3,692,524 km (0.08 R)
• M9: 4,114,989 km (0.055 R)
• M10: 5,196,581 km (0.089 R)
• M11: 5,728,551 km (0.099 R)
• M12: 6,788,602 km (0.091 R)
• M13: 7,276,740 km (0.093 R)
• M14: 8,037,146 km (0.034 R)
• M15: 9,052,616 km (0.111 R)
• M16: 11,022,371 km (0.098 R)
• M17: 11,416,262 km (0.1 R)
• M18: 12,232,319 km (0.035 R)
• M19: 13,439,574 km (0.07 R)
• M20: 13,798,608 km (0.114 R)
• M21: 14,118,149 km (0.068 R)
• M22: 15,106,243 km (0.112 R)
• M23: 15,592,586 km (0.066 R)
• M24: 16,699,610 km (0.07 R)
• M25: 17,219,762 km (0.095 R)
• M26: 17,804,241 km (0.114 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 456.4

Radius: 10.8

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.61 AU - 3.63 AU

Year: 3874 Days

Day: 6 Hours

Environment

Temp: -206 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 44,592,446 km

• M1: 134,339 km (0.064 R)
• M2: 522,994 km (0.115 R)
• M3: 943,514 km (0.098 R)
• M4: 1,446,013 km (0.102 R)
• M5: 2,244,866 km (0.045 R)
• M6: 2,704,131 km (0.04 R)
• M7: 3,207,827 km (0.055 R)
• M8: 3,694,319 km (0.062 R)
• M9: 4,080,432 km (0.104 R)
• M10: 4,471,181 km (0.092 R)
• M11: 7,241,883 km (0.109 R)
• M12: 7,751,713 km (0.104 R)
• M13: 8,736,665 km (0.066 R)
• M14: 9,765,001 km (0.082 R)
• M15: 10,387,777 km (0.095 R)
• M16: 10,831,185 km (0.082 R)
• M17: 12,506,083 km (0.093 R)
• M18: 13,476,225 km (0.11 R)
• M19: 14,446,218 km (0.113 R)
• M20: 17,635,794 km (0.087 R)
• M21: 18,442,575 km (0.104 R)
• M22: 19,334,029 km (0.112 R)
• M23: 21,460,862 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.2

Radius: 3

Gravity: 24.13 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.28 AU - 8.74 AU

Year: 15935 Days

Day: 18.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 44,592,446 km

• M1: 37,250 km (0.109 R)
• M2: 151,842 km (0.117 R)
• M3: 342,878 km (0.082 R)
• M4: 492,626 km (0.103 R)
• M5: 866,471 km (0.068 R)
• M6: 974,032 km (0.112 R)
• M7: 1,850,974 km (0.064 R)
• M8: 2,047,546 km (0.106 R)
• M9: 2,660,000 km (0.066 R)
• M10: 3,832,697 km (0.115 R)
• M11: 4,903,369 km (0.026 R)
• M12: 5,279,159 km (0.098 R)
• M13: 5,441,323 km (0.074 R)
• M14: 5,809,633 km (0.073 R)
• M15: 6,374,664 km (0.099 R)
• M16: 6,558,520 km (0.104 R)
• M17: 6,670,569 km (0.109 R)
• M18: 7,490,665 km (0.111 R)
• M19: 7,736,753 km (0.102 R)
• M20: 9,613,159 km (0.062 R)
• M21: 10,967,319 km (0.094 R)
• M22: 11,391,728 km (0.11 R)
• M23: 12,615,289 km (0.076 R)
• M24: 12,846,717 km (0.102 R)
• M25: 14,483,916 km (0.1 R)
• M26: 15,124,046 km (0.113 R)
• M27: 16,946,148 km (0.109 R)
• M28: 20,378,222 km (0.119 R)
• M29: 20,616,831 km (0.106 R)
• M30: 22,088,275 km (0.06 R)
• M31: 23,891,528 km (0.039 R)
• M32: 27,593,327 km (0.026 R)
• M33: 27,983,329 km (0.07 R)
• M34: 29,478,260 km (0.118 R)
• M35: 31,025,701 km (0.113 R)
• M36: 33,391,890 km (0.111 R)
• M37: 33,946,001 km (0.05 R)
• M38: 34,057,451 km (0.034 R)
• M39: 35,991,303 km (0.089 R)
• M40: 38,600,739 km (0.093 R)
• M41: 40,827,503 km (0.084 R)
• M42: 44,592,432 km (0.108 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: 475 - 15,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit