🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 131.3

Radius: 13.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.76 AU - 1.98 AU

Year: 1734 Days

Day: 13.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 40,102,949 km

• M1: 162,912 km (0.099 R)
• M2: 1,505,553 km (0.091 R)
• M3: 2,162,886 km (0.095 R)
• M4: 2,609,286 km (0.11 R)
• M5: 3,130,186 km (0.077 R)
• M6: 3,835,390 km (0.103 R)
• M7: 4,464,150 km (0.115 R)
• M8: 7,279,133 km (0.116 R)
• M9: 8,221,450 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.2

Radius: 10.5

Gravity: 5 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.57 AU - 2.61 AU

Year: 2049 Days

Day: 11.8 Hours

Environment

Temp: -198 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,102,949 km

• M1: 130,599 km (0.105 R)
• M2: 537,206 km (0.098 R)
• M3: 1,092,064 km (0.069 R)
• M4: 1,597,256 km (0.085 R)
• M5: 2,097,811 km (0.105 R)
• M6: 2,470,459 km (0.112 R)
• M7: 2,800,323 km (0.077 R)
• M8: 3,584,215 km (0.106 R)
• M9: 4,273,114 km (0.116 R)
• M10: 5,584,040 km (0.076 R)
• M11: 6,207,115 km (0.069 R)
• M12: 6,902,745 km (0.116 R)
• M13: 7,592,242 km (0.083 R)
• M14: 8,086,962 km (0.114 R)
• M15: 8,572,108 km (0.108 R)
• M16: 9,369,015 km (0.096 R)
• M17: 11,596,079 km (0.059 R)
• M18: 12,411,088 km (0.066 R)
• M19: 12,934,381 km (0.086 R)
• M20: 14,068,483 km (0.066 R)
• M21: 14,593,272 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.9

Radius: 13

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 2.32 AU - 2.34 AU

Year: 2412 Days

Day: 14.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,102,949 km

• M1: 162,014 km (0.106 R)
• M2: 578,794 km (0.067 R)
• M3: 1,163,572 km (0.09 R)
• M4: 1,739,973 km (0.103 R)
• M5: 2,146,430 km (0.112 R)
• M6: 3,157,113 km (0.109 R)
• M7: 3,641,960 km (0.119 R)
• M8: 4,442,309 km (0.096 R)
• M9: 4,918,329 km (0.107 R)
• M10: 5,476,479 km (0.113 R)
• M11: 7,588,801 km (0.085 R)
• M12: 8,208,286 km (0.032 R)
• M13: 9,408,360 km (0.034 R)
• M14: 10,160,687 km (0.036 R)
• M15: 11,989,821 km (0.115 R)
• M16: 12,745,439 km (0.108 R)
• M17: 13,666,962 km (0.1 R)
• M18: 14,305,596 km (0.079 R)
• M19: 15,446,728 km (0.044 R)
• M20: 16,494,212 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563

Radius: 12.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 2.59 AU - 3.15 AU

Year: 3298 Days

Day: 8.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 40,102,949 km

• M1: 153,039 km (0.034 R)
• M2: 640,428 km (0.064 R)
• M3: 1,104,930 km (0.101 R)
• M4: 1,940,883 km (0.118 R)
• M5: 2,491,553 km (0.067 R)
• M6: 4,304,679 km (0.091 R)
• M7: 4,841,585 km (0.085 R)
• M8: 6,105,089 km (0.064 R)
• M9: 7,736,603 km (0.079 R)
• M10: 11,756,897 km (0.112 R)
• M11: 12,719,709 km (0.113 R)
• M12: 16,776,204 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.4

Radius: 11.5

Gravity: 6.1 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.38 AU - 4.26 AU

Year: 5064 Days

Day: 6 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,102,949 km

• M1: 143,016 km (0.048 R)
• M2: 527,482 km (0.103 R)
• M3: 931,845 km (0.052 R)
• M4: 1,379,143 km (0.065 R)
• M5: 2,238,134 km (0.095 R)
• M6: 2,759,931 km (0.118 R)
• M7: 3,198,402 km (0.045 R)
• M8: 3,705,390 km (0.086 R)
• M9: 5,855,560 km (0.089 R)
• M10: 7,373,380 km (0.114 R)
• M11: 7,958,308 km (0.086 R)
• M12: 9,684,966 km (0.095 R)
• M13: 10,613,520 km (0.071 R)
• M14: 11,170,174 km (0.047 R)
• M15: 12,241,295 km (0.062 R)
• M16: 12,801,987 km (0.101 R)
• M17: 13,273,370 km (0.081 R)
• M18: 14,643,836 km (0.111 R)
• M19: 18,183,472 km (0.06 R)
• M20: 19,320,415 km (0.118 R)
• M21: 19,732,857 km (0.093 R)
• M22: 22,939,188 km (0.064 R)
• M23: 26,309,329 km (0.103 R)
• M24: 27,937,103 km (0.11 R)
• M25: 30,088,021 km (0.115 R)
• M26: 31,015,977 km (0.057 R)
• M27: 31,772,045 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.5

Radius: 7

Gravity: 13.62 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 5.29 AU - 7.41 AU

Year: 10853 Days

Day: 22.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 40,102,949 km

• M1: 87,066 km (0.046 R)
• M2: 425,307 km (0.097 R)
• M3: 797,057 km (0.032 R)
• M4: 1,029,981 km (0.105 R)
• M5: 1,347,278 km (0.08 R)
• M6: 2,309,492 km (0.085 R)
• M7: 3,198,253 km (0.105 R)
• M8: 3,514,802 km (0.09 R)
• M9: 3,905,851 km (0.041 R)
• M10: 4,268,027 km (0.1 R)
• M11: 4,531,768 km (0.043 R)
• M12: 5,059,550 km (0.114 R)
• M13: 7,975,960 km (0.066 R)
• M14: 8,979,911 km (0.117 R)
• M15: 10,640,298 km (0.112 R)
• M16: 11,071,738 km (0.109 R)
• M17: 13,845,582 km (0.078 R)
• M18: 14,359,900 km (0.057 R)
• M19: 17,124,319 km (0.071 R)
• M20: 19,178,896 km (0.073 R)
• M21: 19,898,761 km (0.078 R)
• M22: 22,516,574 km (0.081 R)
• M23: 24,507,722 km (0.104 R)
• M24: 24,976,262 km (0.076 R)
• M25: 25,355,194 km (0.056 R)
• M26: 29,464,198 km (0.08 R)
• M27: 31,181,432 km (0.027 R)
• M28: 34,578,949 km (0.116 R)
• M29: 34,813,818 km (0.082 R)
• M30: 36,245,619 km (0.088 R)
• M31: 37,098,776 km (0.109 R)
• M32: 40,776,191 km (0.114 R)
• M33: 42,500,905 km (0.087 R)
• M34: 48,404,635 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.9

Radius: 6

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.77 AU - 9.69 AU

Year: 19019 Days

Day: 15.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,102,949 km

• M1: 75,098 km (0.103 R)
• M2: 614,249 km (0.092 R)
• M3: 1,411,007 km (0.104 R)
• M4: 3,996,208 km (0.107 R)
• M5: 5,018,410 km (0.096 R)
• M6: 5,606,031 km (0.059 R)
• M7: 7,255,946 km (0.119 R)
• M8: 8,506,434 km (0.083 R)
• M9: 10,815,627 km (0.051 R)
• M10: 20,646,002 km (0.099 R)
• M11: 22,306,838 km (0.095 R)
• M12: 23,128,130 km (0.114 R)
• M13: 25,093,397 km (0.104 R)
• M14: 28,008,910 km (0.085 R)
• M15: 29,842,830 km (0.118 R)
• M16: 31,345,990 km (0.067 R)
• M17: 32,271,701 km (0.114 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: 330 - 19,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit