🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 14.7

Gravity: 1.76 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.96 AU - 0.98 AU

Year: 617 Days

Day: 6.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,796,744 km

• M1: 183,856 km (0.088 R)
• M2: 657,034 km (0.112 R)
• M3: 1,175,091 km (0.092 R)
• M4: 1,659,938 km (0.117 R)
• M5: 2,202,380 km (0.119 R)
• M6: 2,759,782 km (0.061 R)
• M7: 3,507,472 km (0.091 R)
• M8: 4,415,830 km (0.092 R)
• M9: 5,011,229 km (0.11 R)
• M10: 5,830,727 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.9

Radius: 9.9

Gravity: 10.16 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.26 AU - 1.42 AU

Year: 1002 Days

Day: 9.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,796,744 km

• M1: 123,119 km (0.103 R)
• M2: 432,936 km (0.068 R)
• M3: 842,685 km (0.119 R)
• M4: 1,295,667 km (0.05 R)
• M5: 1,771,388 km (0.098 R)
• M6: 2,349,135 km (0.032 R)
• M7: 3,146,642 km (0.119 R)
• M8: 3,454,514 km (0.086 R)
• M9: 4,557,200 km (0.084 R)
• M10: 4,992,231 km (0.062 R)
• M11: 5,310,874 km (0.029 R)
• M12: 6,078,311 km (0.119 R)
• M13: 7,015,841 km (0.114 R)
• M14: 7,545,118 km (0.093 R)
• M15: 7,859,423 km (0.112 R)
• M16: 8,655,434 km (0.087 R)
• M17: 9,000,107 km (0.07 R)
• M18: 9,324,136 km (0.115 R)
• M19: 10,601,104 km (0.101 R)
• M20: 11,469,220 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 12.8

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.01 AU - 2.25 AU

Year: 2007 Days

Day: 7.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,796,744 km

• M1: 159,172 km (0.086 R)
• M2: 562,488 km (0.111 R)
• M3: 1,038,359 km (0.113 R)
• M4: 1,556,865 km (0.053 R)
• M5: 2,037,373 km (0.101 R)
• M6: 2,998,540 km (0.111 R)
• M7: 3,499,543 km (0.08 R)
• M8: 4,056,047 km (0.095 R)
• M9: 5,260,160 km (0.085 R)
• M10: 5,803,799 km (0.073 R)
• M11: 6,434,952 km (0.066 R)
• M12: 7,692,023 km (0.119 R)
• M13: 8,699,116 km (0.104 R)
• M14: 9,363,929 km (0.043 R)
• M15: 9,892,907 km (0.112 R)
• M16: 10,546,949 km (0.094 R)
• M17: 11,865,355 km (0.085 R)
• M18: 12,485,438 km (0.103 R)
• M19: 13,086,223 km (0.117 R)
• M20: 14,389,221 km (0.11 R)
• M21: 14,916,254 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.4

Radius: 13.7

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.28 AU - 2.62 AU

Year: 2476 Days

Day: 12.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 45,796,744 km

• M1: 170,990 km (0.109 R)
• M2: 617,091 km (0.09 R)
• M3: 1,915,302 km (0.04 R)
• M4: 2,475,097 km (0.062 R)
• M5: 3,208,426 km (0.091 R)
• M6: 4,024,931 km (0.077 R)
• M7: 4,608,213 km (0.079 R)
• M8: 5,224,556 km (0.086 R)
• M9: 7,979,401 km (0.115 R)
• M10: 10,442,081 km (0.101 R)
• M11: 11,627,495 km (0.088 R)
• M12: 15,578,673 km (0.096 R)
• M13: 16,364,511 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926

Radius: 8.7

Gravity: 12.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.5 AU - 2.52 AU

Year: 2568 Days

Day: 14.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,796,744 km

• M1: 108,159 km (0.119 R)
• M2: 381,175 km (0.086 R)
• M3: 689,197 km (0.099 R)
• M4: 1,277,117 km (0.103 R)
• M5: 1,598,004 km (0.102 R)
• M6: 2,614,372 km (0.11 R)
• M7: 3,190,623 km (0.104 R)
• M8: 3,652,282 km (0.093 R)
• M9: 4,157,923 km (0.1 R)
• M10: 4,483,149 km (0.113 R)
• M11: 4,825,429 km (0.114 R)
• M12: 5,485,604 km (0.114 R)
• M13: 6,039,715 km (0.067 R)
• M14: 6,316,321 km (0.056 R)
• M15: 6,835,875 km (0.081 R)
• M16: 7,352,436 km (0.095 R)
• M17: 8,740,405 km (0.108 R)
• M18: 9,385,770 km (0.106 R)
• M19: 9,682,573 km (0.119 R)
• M20: 10,892,670 km (0.103 R)
• M21: 11,220,738 km (0.106 R)
• M22: 12,779,249 km (0.058 R)
• M23: 13,847,527 km (0.056 R)
• M24: 17,971,342 km (0.05 R)
• M25: 18,545,648 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.9

Radius: 8.3

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 3.28 AU - 3.46 AU

Year: 3994 Days

Day: 8.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 45,796,744 km

• M1: 104,120 km (0.05 R)
• M2: 413,638 km (0.093 R)
• M3: 762,800 km (0.118 R)
• M4: 1,445,863 km (0.095 R)
• M5: 1,741,170 km (0.103 R)
• M6: 2,148,973 km (0.111 R)
• M7: 4,451,135 km (0.118 R)
• M8: 4,874,796 km (0.105 R)
• M9: 5,379,988 km (0.085 R)
• M10: 6,067,390 km (0.08 R)
• M11: 7,307,706 km (0.089 R)
• M12: 7,791,655 km (0.095 R)
• M13: 8,785,285 km (0.083 R)
• M14: 9,614,805 km (0.088 R)
• M15: 12,176,519 km (0.09 R)
• M16: 12,956,223 km (0.114 R)
• M17: 13,307,628 km (0.049 R)
• M18: 13,768,838 km (0.034 R)
• M19: 15,551,447 km (0.09 R)
• M20: 19,113,073 km (0.091 R)
• M21: 20,098,474 km (0.097 R)
• M22: 21,886,019 km (0.09 R)
• M23: 26,571,723 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.3

Radius: 11.3

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.83 AU - 4.85 AU

Year: 5838 Days

Day: 9.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,796,744 km

• M1: 140,622 km (0.031 R)
• M2: 541,544 km (0.105 R)
• M3: 921,972 km (0.073 R)
• M4: 1,508,545 km (0.082 R)
• M5: 1,929,364 km (0.066 R)
• M6: 2,306,051 km (0.059 R)
• M7: 2,732,405 km (0.083 R)
• M8: 3,177,608 km (0.031 R)
• M9: 4,902,771 km (0.115 R)
• M10: 5,613,660 km (0.098 R)
• M11: 6,611,328 km (0.06 R)
• M12: 8,553,408 km (0.082 R)
• M13: 9,799,558 km (0.07 R)
• M14: 11,644,549 km (0.084 R)
• M15: 15,023,217 km (0.071 R)
• M16: 16,417,469 km (0.049 R)
• M17: 18,780,367 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 191.4

Radius: 5.7

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 6.12 AU - 7.94 AU

Year: 12035 Days

Day: 22.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,796,744 km

• M1: 71,209 km (0.065 R)
• M2: 389,254 km (0.106 R)
• M3: 1,145,620 km (0.035 R)
• M4: 2,335,522 km (0.115 R)
• M5: 3,064,512 km (0.106 R)
• M6: 3,295,342 km (0.11 R)
• M7: 3,791,708 km (0.096 R)
• M8: 4,336,693 km (0.11 R)
• M9: 5,990,198 km (0.102 R)
• M10: 7,714,014 km (0.117 R)
• M11: 7,906,547 km (0.088 R)
• M12: 8,876,689 km (0.094 R)
• M13: 9,698,879 km (0.081 R)
• M14: 10,429,814 km (0.039 R)
• M15: 10,761,024 km (0.119 R)
• M16: 12,788,972 km (0.12 R)
• M17: 13,443,912 km (0.067 R)
• M18: 14,063,546 km (0.056 R)
• M19: 15,118,510 km (0.116 R)
• M20: 16,288,067 km (0.108 R)
• M21: 19,580,865 km (0.101 R)
• M22: 20,523,481 km (0.106 R)
• M23: 20,894,035 km (0.116 R)
• M24: 22,109,668 km (0.071 R)
• M25: 23,694,657 km (0.051 R)
• M26: 24,764,432 km (0.111 R)
• M27: 25,100,129 km (0.105 R)
• M28: 25,780,351 km (0.086 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 313.9

Radius: 7.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 7.62 AU - 7.78 AU

Year: 13796 Days

Day: 22.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,796,744 km

• M1: 104,868 km (0.104 R)
• M2: 1,163,722 km (0.071 R)
• M3: 2,053,979 km (0.086 R)
• M4: 2,372,173 km (0.116 R)
• M5: 2,868,539 km (0.112 R)
• M6: 3,804,723 km (0.058 R)
• M7: 4,203,850 km (0.062 R)
• M8: 4,456,521 km (0.11 R)
• M9: 5,244,153 km (0.115 R)
• M10: 5,604,086 km (0.119 R)
• M11: 5,841,647 km (0.105 R)
• M12: 6,121,395 km (0.042 R)
• M13: 6,670,120 km (0.101 R)
• M14: 7,053,689 km (0.104 R)
• M15: 7,907,444 km (0.09 R)
• M16: 8,337,538 km (0.11 R)
• M17: 9,867,775 km (0.068 R)
• M18: 11,796,540 km (0.053 R)
• M19: 16,729,829 km (0.068 R)
• M20: 17,946,658 km (0.049 R)
• M21: 19,529,852 km (0.057 R)
• M22: 20,395,276 km (0.095 R)
• M23: 20,635,680 km (0.097 R)
• M24: 24,472,566 km (0.098 R)
• M25: 33,634,089 km (0.08 R)
• M26: 36,383,100 km (0.08 R)
• M27: 41,291,855 km (0.105 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 18,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit