🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.4

Radius: 8.4

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.63 AU - 0.91 AU

Year: 458 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,679,504 km

• M1: 104,419 km (0.09 R)
• M2: 398,080 km (0.101 R)
• M3: 670,946 km (0.091 R)
• M4: 968,646 km (0.071 R)
• M5: 1,262,606 km (0.101 R)
• M6: 1,556,566 km (0.109 R)
• M7: 2,020,469 km (0.119 R)
• M8: 2,426,777 km (0.054 R)
• M9: 2,876,767 km (0.104 R)
• M10: 3,291,303 km (0.113 R)
• M11: 4,201,157 km (0.081 R)
• M12: 4,894,842 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 14.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.95 AU - 2.11 AU

Year: 1962 Days

Day: 11.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,679,504 km

• M1: 186,997 km (0.086 R)
• M2: 667,805 km (0.12 R)
• M3: 1,487,302 km (0.111 R)
• M4: 2,015,083 km (0.107 R)
• M5: 2,724,776 km (0.082 R)
• M6: 3,396,171 km (0.112 R)
• M7: 4,214,770 km (0.094 R)
• M8: 4,966,051 km (0.099 R)
• M9: 6,023,259 km (0.102 R)
• M10: 6,553,584 km (0.076 R)
• M11: 7,393,875 km (0.047 R)
• M12: 8,123,015 km (0.104 R)
• M13: 8,645,859 km (0.061 R)
• M14: 9,256,817 km (0.092 R)
• M15: 12,552,458 km (0.102 R)
• M16: 13,211,138 km (0.074 R)
• M17: 15,466,176 km (0.037 R)
• M18: 15,936,811 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.9

Radius: 8.1

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.87 AU - 3.59 AU

Year: 3937 Days

Day: 8 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 53,679,504 km

• M1: 100,679 km (0.11 R)
• M2: 363,972 km (0.088 R)
• M3: 800,049 km (0.104 R)
• M4: 1,259,464 km (0.113 R)
• M5: 2,719,839 km (0.066 R)
• M6: 3,179,254 km (0.079 R)
• M7: 3,618,473 km (0.107 R)
• M8: 4,412,988 km (0.075 R)
• M9: 5,364,879 km (0.092 R)
• M10: 5,840,301 km (0.092 R)
• M11: 6,659,050 km (0.117 R)
• M12: 7,436,361 km (0.109 R)
• M13: 8,681,912 km (0.087 R)
• M14: 9,677,486 km (0.071 R)
• M15: 10,600,206 km (0.091 R)
• M16: 11,814,941 km (0.08 R)
• M17: 14,248,898 km (0.108 R)
• M18: 14,837,117 km (0.08 R)
• M19: 15,488,466 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.6

Radius: 14.6

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.17 AU - 5.95 AU

Year: 8892 Days

Day: 11.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,679,504 km

• M1: 246,836 km (0.12 R)
• M2: 747,989 km (0.075 R)
• M3: 1,505,104 km (0.071 R)
• M4: 2,999,886 km (0.117 R)
• M5: 3,497,299 km (0.11 R)
• M6: 4,360,479 km (0.108 R)
• M7: 5,947,563 km (0.089 R)
• M8: 7,042,021 km (0.074 R)
• M9: 8,191,231 km (0.04 R)
• M10: 8,771,522 km (0.116 R)
• M11: 13,634,350 km (0.045 R)
• M12: 15,707,776 km (0.113 R)
• M13: 20,123,457 km (0.073 R)
• M14: 21,182,759 km (0.105 R)
• M15: 25,794,862 km (0.106 R)
• M16: 26,373,207 km (0.054 R)
• M17: 29,755,316 km (0.07 R)
• M18: 30,391,555 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620.8

Radius: 12.3

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.58 AU - 6.64 AU

Year: 9012 Days

Day: 12.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,679,504 km

• M1: 204,351 km (0.084 R)
• M2: 664,065 km (0.113 R)
• M3: 1,803,552 km (0.099 R)
• M4: 2,408,975 km (0.083 R)
• M5: 2,851,335 km (0.062 R)
• M6: 3,486,977 km (0.045 R)
• M7: 4,135,484 km (0.108 R)
• M8: 5,257,767 km (0.101 R)
• M9: 6,009,346 km (0.076 R)
• M10: 7,890,091 km (0.106 R)
• M11: 10,581,057 km (0.105 R)
• M12: 11,725,182 km (0.116 R)
• M13: 12,216,461 km (0.1 R)
• M14: 14,014,478 km (0.12 R)
• M15: 17,068,070 km (0.091 R)
• M16: 17,628,613 km (0.116 R)
• M17: 18,419,687 km (0.116 R)
• M18: 18,861,000 km (0.084 R)
• M19: 20,618,476 km (0.09 R)
• M20: 22,902,536 km (0.11 R)
• M21: 24,280,931 km (0.105 R)
• M22: 25,441,063 km (0.087 R)
• M23: 33,844,274 km (0.026 R)
• M24: 34,618,443 km (0.106 R)
• M25: 38,667,010 km (0.105 R)
• M26: 39,879,352 km (0.119 R)
• M27: 41,241,889 km (0.105 R)
• M28: 42,892,103 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.2

Radius: 7.4

Gravity: 14.5 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.95 AU - 7.09 AU

Year: 10018 Days

Day: 15.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 53,679,504 km

• M1: 92,003 km (0.106 R)
• M2: 442,660 km (0.094 R)
• M3: 770,429 km (0.098 R)
• M4: 1,357,900 km (0.11 R)
• M5: 1,665,024 km (0.082 R)
• M6: 2,559,320 km (0.115 R)
• M7: 2,919,402 km (0.119 R)
• M8: 4,121,122 km (0.079 R)
• M9: 4,801,194 km (0.077 R)
• M10: 5,485,305 km (0.091 R)
• M11: 6,344,894 km (0.047 R)
• M12: 6,728,463 km (0.066 R)
• M13: 7,415,866 km (0.049 R)
• M14: 10,166,970 km (0.115 R)
• M15: 10,962,083 km (0.052 R)
• M16: 12,319,385 km (0.116 R)
• M17: 12,856,142 km (0.103 R)
• M18: 16,196,513 km (0.115 R)
• M19: 17,501,604 km (0.108 R)
• M20: 19,032,440 km (0.12 R)
• M21: 19,428,575 km (0.056 R)
• M22: 21,922,521 km (0.116 R)
• M23: 22,888,175 km (0.07 R)
• M24: 23,426,578 km (0.08 R)
• M25: 24,435,765 km (0.083 R)
• M26: 25,569,268 km (0.06 R)
• M27: 28,555,840 km (0.098 R)
• M28: 30,888,370 km (0.087 R)
• M29: 31,325,794 km (0.035 R)
• M30: 32,775,697 km (0.065 R)
• M31: 34,620,986 km (0.083 R)
• M32: 40,180,193 km (0.096 R)
• M33: 44,337,967 km (0.097 R)
• M34: 44,615,620 km (0.051 R)
• M35: 49,069,747 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 591.8

Radius: 3.1

Gravity: 61.58 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 5.47 AU - 8.67 AU

Year: 12750 Days

Day: 20.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,679,504 km

• M1: 38,596 km (0.074 R)
• M2: 185,801 km (0.05 R)
• M3: 351,405 km (0.078 R)
• M4: 725,849 km (0.093 R)
• M5: 1,228,797 km (0.113 R)
• M6: 1,333,366 km (0.117 R)
• M7: 1,590,674 km (0.09 R)
• M8: 2,146,879 km (0.083 R)
• M9: 2,479,136 km (0.089 R)
• M10: 2,646,985 km (0.09 R)
• M11: 3,005,272 km (0.059 R)
• M12: 3,471,568 km (0.104 R)
• M13: 4,156,278 km (0.05 R)
• M14: 4,484,346 km (0.115 R)
• M15: 5,362,635 km (0.064 R)
• M16: 12,576,843 km (0.062 R)
• M17: 24,337,030 km (0.051 R)
• M18: 29,076,740 km (0.041 R)
• M19: 34,635,497 km (0.094 R)
• M20: 39,930,065 km (0.078 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: 199 - 14,523 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit