🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.62 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.5

Radius: 11.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.73 AU - 3.73 AU

Year: 3691 Days

Day: 9.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,565,950 km

• M1: 143,764 km (0.116 R)
• M2: 599,289 km (0.103 R)
• M3: 1,032,375 km (0.068 R)
• M4: 1,918,892 km (0.048 R)
• M5: 2,652,520 km (0.115 R)
• M6: 3,170,278 km (0.118 R)
• M7: 3,602,167 km (0.117 R)
• M8: 4,629,905 km (0.04 R)
• M9: 5,188,204 km (0.059 R)
• M10: 5,739,023 km (0.048 R)
• M11: 7,106,796 km (0.082 R)
• M12: 9,422,721 km (0.032 R)
• M13: 10,015,727 km (0.083 R)
• M14: 12,073,147 km (0.043 R)
• M15: 17,887,268 km (0.055 R)
• M16: 19,204,776 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.6

Radius: 14.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.46 AU - 5.64 AU

Year: 6171 Days

Day: 11.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,565,950 km

• M1: 189,541 km (0.101 R)
• M2: 700,567 km (0.102 R)
• M3: 1,184,217 km (0.097 R)
• M4: 2,407,329 km (0.072 R)
• M5: 3,103,557 km (0.107 R)
• M6: 3,579,428 km (0.11 R)
• M7: 4,438,718 km (0.113 R)
• M8: 10,744,568 km (0.081 R)
• M9: 14,392,662 km (0.055 R)
• M10: 17,893,102 km (0.06 R)
• M11: 22,799,613 km (0.076 R)
• M12: 23,285,956 km (0.103 R)
• M13: 24,028,410 km (0.058 R)
• M14: 25,214,721 km (0.063 R)
• M15: 26,085,680 km (0.088 R)
• M16: 29,102,919 km (0.095 R)
• M17: 31,638,753 km (0.12 R)
• M18: 32,857,527 km (0.094 R)
• M19: 33,374,537 km (0.114 R)
• M20: 34,530,929 km (0.071 R)
• M21: 35,388,573 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.9

Radius: 11.7

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.12 AU - 6.64 AU

Year: 7934 Days

Day: 11 Hours

Environment

Temp: -228 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 35,565,950 km

• M1: 146,008 km (0.069 R)
• M2: 526,585 km (0.059 R)
• M3: 1,048,980 km (0.105 R)
• M4: 1,431,801 km (0.086 R)
• M5: 2,442,484 km (0.047 R)
• M6: 3,012,901 km (0.065 R)
• M7: 3,693,272 km (0.059 R)
• M8: 4,631,700 km (0.098 R)
• M9: 5,157,387 km (0.072 R)
• M10: 6,698,993 km (0.038 R)
• M11: 10,482,323 km (0.103 R)
• M12: 11,050,346 km (0.034 R)
• M13: 11,440,348 km (0.119 R)
• M14: 14,147,171 km (0.115 R)
• M15: 15,437,004 km (0.117 R)
• M16: 19,002,969 km (0.064 R)
• M17: 20,939,962 km (0.05 R)
• M18: 30,200,818 km (0.064 R)
• M19: 30,581,246 km (0.088 R)
• M20: 32,731,117 km (0.095 R)
• M21: 33,233,466 km (0.057 R)
• M22: 34,460,169 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.1

Radius: 8.4

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 4.35 AU - 6.55 AU

Year: 8090 Days

Day: 12.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 35,565,950 km

• M1: 106,962 km (0.077 R)
• M2: 473,926 km (0.105 R)
• M3: 865,424 km (0.109 R)
• M4: 1,615,059 km (0.046 R)
• M5: 2,042,909 km (0.094 R)
• M6: 2,412,116 km (0.051 R)
• M7: 3,239,392 km (0.063 R)
• M8: 4,001,593 km (0.111 R)
• M9: 5,155,442 km (0.107 R)
• M10: 5,981,072 km (0.116 R)
• M11: 8,189,436 km (0.082 R)
• M12: 8,760,451 km (0.116 R)
• M13: 9,357,646 km (0.057 R)
• M14: 10,179,387 km (0.102 R)
• M15: 10,839,563 km (0.111 R)
• M16: 11,910,534 km (0.036 R)
• M17: 14,013,431 km (0.11 R)
• M18: 15,678,306 km (0.101 R)
• M19: 16,975,469 km (0.094 R)
• M20: 17,470,937 km (0.098 R)
• M21: 18,565,245 km (0.119 R)
• M22: 27,536,181 km (0.081 R)
• M23: 33,440,510 km (0.038 R)
• M24: 35,582,153 km (0.065 R)
• M25: 39,393,009 km (0.105 R)
• M26: 43,074,014 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.2

Radius: 12.9

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 5.83 AU - 5.89 AU

Year: 9019 Days

Day: 8.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 35,565,950 km

• M1: 161,715 km (0.095 R)
• M2: 582,684 km (0.115 R)
• M3: 1,121,535 km (0.104 R)
• M4: 2,179,342 km (0.117 R)
• M5: 5,170,850 km (0.094 R)
• M6: 7,258,339 km (0.087 R)
• M7: 9,203,560 km (0.096 R)
• M8: 10,833,279 km (0.109 R)
• M9: 12,370,547 km (0.118 R)
• M10: 14,401,637 km (0.041 R)
• M11: 15,020,673 km (0.051 R)
• M12: 16,534,454 km (0.115 R)
• M13: 19,238,885 km (0.114 R)
• M14: 20,826,118 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 131

Radius: 6.9

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.55 AU - 7.95 AU

Year: 12412 Days

Day: 23.6 Hours

Environment

Temp: -231 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,565,950 km

• M1: 85,869 km (0.109 R)
• M2: 303,983 km (0.059 R)
• M3: 531,072 km (0.118 R)
• M4: 1,070,522 km (0.064 R)
• M5: 1,292,376 km (0.11 R)
• M6: 1,658,143 km (0.107 R)
• M7: 2,650,276 km (0.119 R)
• M8: 2,945,881 km (0.113 R)
• M9: 3,451,971 km (0.093 R)
• M10: 4,182,457 km (0.115 R)
• M11: 5,976,585 km (0.099 R)
• M12: 10,949,667 km (0.044 R)
• M13: 12,008,071 km (0.088 R)
• M14: 12,358,579 km (0.028 R)
• M15: 18,273,829 km (0.098 R)
• M16: 23,197,394 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.5

Radius: 5.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 7.78 AU - 8.26 AU

Year: 14441 Days

Day: 24.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 35,565,950 km

• M1: 69,862 km (0.069 R)
• M2: 661,821 km (0.097 R)
• M3: 941,868 km (0.095 R)
• M4: 1,345,334 km (0.066 R)
• M5: 2,292,438 km (0.102 R)
• M6: 3,102,061 km (0.075 R)
• M7: 3,455,860 km (0.099 R)
• M8: 4,707,396 km (0.08 R)
• M9: 5,736,031 km (0.11 R)
• M10: 9,662,526 km (0.119 R)
• M11: 12,036,196 km (0.045 R)
• M12: 14,650,419 km (0.101 R)
• M13: 16,743,442 km (0.072 R)
• M14: 20,432,676 km (0.081 R)
• M15: 23,530,847 km (0.073 R)
• M16: 23,781,424 km (0.112 R)
• M17: 25,147,851 km (0.098 R)
• M18: 27,570,888 km (0.09 R)
• M19: 30,638,691 km (0.078 R)
• M20: 32,152,023 km (0.105 R)
• M21: 35,545,800 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.6

Radius: 4.5

Gravity: 33.66 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 8.65 AU - 10.35 AU

Year: 18617 Days

Day: 20.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 35,565,950 km

• M1: 56,698 km (0.092 R)
• M2: 437,125 km (0.067 R)
• M3: 584,329 km (0.07 R)
• M4: 1,480,271 km (0.072 R)
• M5: 1,802,654 km (0.114 R)
• M6: 2,361,103 km (0.101 R)
• M7: 2,704,131 km (0.051 R)
• M8: 2,850,288 km (0.084 R)
• M9: 3,517,345 km (0.1 R)
• M10: 3,751,167 km (0.075 R)
• M11: 4,089,707 km (0.059 R)
• M12: 4,583,828 km (0.106 R)
• M13: 4,934,635 km (0.103 R)
• M14: 5,079,895 km (0.116 R)
• M15: 6,012,488 km (0.081 R)
• M16: 7,860,471 km (0.049 R)
• M17: 11,137,113 km (0.103 R)
• M18: 12,360,075 km (0.12 R)
• M19: 13,957,182 km (0.095 R)
• M20: 14,543,307 km (0.099 R)
• M21: 15,145,887 km (0.111 R)
• M22: 15,376,118 km (0.114 R)
• M23: 15,530,802 km (0.056 R)
• M24: 17,219,014 km (0.075 R)
• M25: 18,848,434 km (0.056 R)
• M26: 23,417,153 km (0.119 R)
• M27: 24,139,711 km (0.061 R)
• M28: 24,453,717 km (0.06 R)
• M29: 27,518,379 km (0.102 R)
• M30: 33,610,154 km (0.07 R)
• M31: 36,005,964 km (0.075 R)
• M32: 36,967,579 km (0.056 R)
• M33: 38,370,956 km (0.051 R)
• M34: 42,488,488 km (0.043 R)
• M35: 43,099,745 km (0.102 R)
• M36: 51,761,312 km (0.109 R)
• M37: 52,985,471 km (0.092 R)
• M38: 53,515,945 km (0.078 R)
• M39: 54,587,515 km (0.05 R)
• M40: 55,128,611 km (0.074 R)
• M41: 55,673,296 km (0.074 R)
• M42: 65,084,648 km (0.038 R)
• M43: 70,058,179 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.1

Radius: 5.6

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.84 AU - 11.74 AU

Year: 24120 Days

Day: 16.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,565,950 km

• M1: 70,311 km (0.04 R)
• M2: 776,114 km (0.107 R)
• M3: 1,037,611 km (0.101 R)
• M4: 1,322,146 km (0.098 R)
• M5: 1,684,771 km (0.104 R)
• M6: 2,462,830 km (0.071 R)
• M7: 2,971,313 km (0.07 R)
• M8: 4,778,306 km (0.112 R)
• M9: 5,847,482 km (0.1 R)
• M10: 8,407,251 km (0.086 R)
• M11: 9,862,838 km (0.102 R)
• M12: 11,132,625 km (0.109 R)
• M13: 13,652,601 km (0.044 R)
• M14: 14,453,548 km (0.12 R)
• M15: 16,086,259 km (0.077 R)
• M16: 20,735,013 km (0.086 R)
• M17: 21,410,447 km (0.088 R)
• M18: 23,203,079 km (0.08 R)
• M19: 27,351,278 km (0.085 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 19,372 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit