🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 8.1

Gravity: 6.56 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 12.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,481,630 km

• M1: 100,829 km (0.103 R)
• M2: 388,356 km (0.111 R)
• M3: 695,929 km (0.102 R)
• M4: 998,117 km (0.068 R)
• M5: 1,305,092 km (0.119 R)
• M6: 1,649,017 km (0.103 R)
• M7: 2,478,388 km (0.098 R)
• M8: 2,856,571 km (0.055 R)
• M9: 3,119,564 km (0.068 R)
• M10: 3,831,949 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.7

Radius: 8.5

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.68 AU - 1 AU

Year: 531 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 57.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,481,630 km

• M1: 105,766 km (0.034 R)
• M2: 371,751 km (0.107 R)
• M3: 667,356 km (0.11 R)
• M4: 979,567 km (0.093 R)
• M5: 1,601,744 km (0.117 R)
• M6: 2,465,822 km (0.099 R)
• M7: 3,036,687 km (0.067 R)
• M8: 3,334,537 km (0.11 R)
• M9: 3,874,734 km (0.077 R)
• M10: 4,225,990 km (0.105 R)
• M11: 4,825,728 km (0.102 R)
• M12: 5,129,113 km (0.109 R)
• M13: 5,571,623 km (0.119 R)
• M14: 6,925,933 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.1

Radius: 13.4

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.09 AU - 1.13 AU

Year: 807 Days

Day: 13.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 66,481,630 km

• M1: 166,652 km (0.082 R)
• M2: 658,380 km (0.118 R)
• M3: 1,077,853 km (0.094 R)
• M4: 1,635,554 km (0.089 R)
• M5: 2,052,184 km (0.094 R)
• M6: 2,484,222 km (0.043 R)
• M7: 2,914,017 km (0.062 R)
• M8: 3,393,777 km (0.108 R)
• M9: 4,100,328 km (0.086 R)
• M10: 5,747,251 km (0.075 R)
• M11: 6,333,525 km (0.08 R)
• M12: 8,180,012 km (0.066 R)
• M13: 8,760,302 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.4

Radius: 14.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.62 AU - 1.96 AU

Year: 1653 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,481,630 km

• M1: 184,903 km (0.096 R)
• M2: 680,222 km (0.087 R)
• M3: 1,267,692 km (0.102 R)
• M4: 2,053,231 km (0.104 R)
• M5: 2,712,060 km (0.099 R)
• M6: 5,153,198 km (0.093 R)
• M7: 5,779,115 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 746

Radius: 13.5

Gravity: 4.09 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.75 AU - 2.17 AU

Year: 1894 Days

Day: 5.3 Hours

Environment

Temp: -209 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 66,481,630 km

• M1: 169,195 km (0.118 R)
• M2: 656,735 km (0.097 R)
• M3: 1,115,402 km (0.059 R)
• M4: 1,605,634 km (0.042 R)
• M5: 2,290,643 km (0.067 R)
• M6: 2,831,439 km (0.107 R)
• M7: 5,140,482 km (0.093 R)
• M8: 5,594,960 km (0.04 R)
• M9: 7,631,735 km (0.087 R)
• M10: 8,074,096 km (0.046 R)
• M11: 9,505,598 km (0.102 R)
• M12: 10,840,909 km (0.043 R)
• M13: 12,825,325 km (0.074 R)
• M14: 13,838,551 km (0.061 R)
• M15: 15,225,473 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.3

Radius: 8

Gravity: 14.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.94 AU - 3.18 AU

Year: 3695 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,481,630 km

• M1: 99,632 km (0.048 R)
• M2: 453,880 km (0.08 R)
• M3: 1,059,751 km (0.116 R)
• M4: 2,412,266 km (0.111 R)
• M5: 3,470,222 km (0.119 R)
• M6: 4,136,830 km (0.112 R)
• M7: 6,160,141 km (0.056 R)
• M8: 7,746,776 km (0.026 R)
• M9: 8,503,741 km (0.104 R)
• M10: 8,804,732 km (0.118 R)
• M11: 9,997,476 km (0.112 R)
• M12: 11,843,514 km (0.11 R)
• M13: 12,219,304 km (0.072 R)
• M14: 16,025,074 km (0.084 R)
• M15: 24,710,277 km (0.079 R)
• M16: 25,092,799 km (0.105 R)
• M17: 25,634,942 km (0.05 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 703.5

Radius: 11.9

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 2.56 AU - 3.84 AU

Year: 3951 Days

Day: 5.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,481,630 km

• M1: 150,645 km (0.068 R)
• M2: 1,648,718 km (0.06 R)
• M3: 2,751,404 km (0.08 R)
• M4: 3,345,906 km (0.048 R)
• M5: 5,070,321 km (0.102 R)
• M6: 8,182,106 km (0.112 R)
• M7: 9,493,780 km (0.084 R)
• M8: 10,055,969 km (0.06 R)
• M9: 11,115,122 km (0.053 R)
• M10: 13,755,973 km (0.072 R)
• M11: 14,687,070 km (0.119 R)
• M12: 15,168,027 km (0.105 R)
• M13: 19,467,470 km (0.039 R)
• M14: 20,310,155 km (0.082 R)
• M15: 20,907,649 km (0.067 R)
• M16: 22,488,001 km (0.11 R)
• M17: 24,220,643 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.3

Radius: 3.8

Gravity: 37.56 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.91 AU - 10.91 AU

Year: 18358 Days

Day: 18.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,481,630 km

• M1: 47,273 km (0.11 R)
• M2: 176,974 km (0.069 R)
• M3: 309,368 km (0.105 R)
• M4: 428,299 km (0.083 R)
• M5: 547,528 km (0.086 R)
• M6: 942,915 km (0.091 R)
• M7: 1,489,995 km (0.094 R)
• M8: 1,684,322 km (0.107 R)
• M9: 2,143,588 km (0.105 R)
• M10: 2,456,547 km (0.052 R)
• M11: 4,049,016 km (0.071 R)
• M12: 4,172,733 km (0.064 R)
• M13: 4,493,322 km (0.057 R)
• M14: 6,101,050 km (0.107 R)
• M15: 6,641,098 km (0.077 R)
• M16: 7,579,526 km (0.063 R)
• M17: 12,029,464 km (0.078 R)
• M18: 12,157,221 km (0.097 R)
• M19: 12,611,250 km (0.067 R)
• M20: 16,501,244 km (0.06 R)
• M21: 20,569,857 km (0.099 R)
• M22: 22,445,814 km (0.118 R)
• M23: 23,925,487 km (0.074 R)
• M24: 25,155,032 km (0.108 R)
• M25: 31,452,653 km (0.094 R)
• M26: 31,695,301 km (0.076 R)
• M27: 34,445,807 km (0.086 R)
• M28: 36,409,728 km (0.073 R)
• M29: 41,570,556 km (0.115 R)
• M30: 46,096,489 km (0.065 R)
• M31: 49,945,344 km (0.105 R)
• M32: 56,111,768 km (0.085 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 15,489 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit