🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.13 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 12.9

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.88 AU - 2.62 AU

Year: 2289 Days

Day: 10.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,999,480 km

• M1: 164,109 km (0.094 R)
• M2: 623,075 km (0.061 R)
• M3: 1,094,009 km (0.063 R)
• M4: 2,004,761 km (0.105 R)
• M5: 2,833,982 km (0.073 R)
• M6: 3,337,080 km (0.072 R)
• M7: 4,254,863 km (0.088 R)
• M8: 4,740,757 km (0.108 R)
• M9: 5,193,140 km (0.115 R)
• M10: 5,774,179 km (0.081 R)
• M11: 7,478,547 km (0.07 R)
• M12: 7,968,331 km (0.113 R)
• M13: 9,114,849 km (0.116 R)
• M14: 9,962,620 km (0.078 R)
• M15: 10,823,705 km (0.088 R)
• M16: 11,371,832 km (0.091 R)
• M17: 12,270,466 km (0.09 R)
• M18: 14,209,404 km (0.06 R)
• M19: 14,914,908 km (0.05 R)
• M20: 16,294,200 km (0.104 R)
• M21: 16,858,633 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 9.2

Gravity: 9.31 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 2.49 AU - 3.31 AU

Year: 3350 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 61,999,480 km

• M1: 114,442 km (0.038 R)
• M2: 460,462 km (0.094 R)
• M3: 765,492 km (0.096 R)
• M4: 1,175,091 km (0.108 R)
• M5: 1,522,906 km (0.1 R)
• M6: 1,850,376 km (0.067 R)
• M7: 2,140,596 km (0.095 R)
• M8: 3,183,143 km (0.032 R)
• M9: 4,579,939 km (0.066 R)
• M10: 5,641,635 km (0.067 R)
• M11: 6,435,551 km (0.102 R)
• M12: 7,967,134 km (0.059 R)
• M13: 8,527,827 km (0.098 R)
• M14: 8,928,450 km (0.09 R)
• M15: 10,045,048 km (0.084 R)
• M16: 10,368,778 km (0.107 R)
• M17: 11,868,197 km (0.104 R)
• M18: 12,693,379 km (0.07 R)
• M19: 14,001,912 km (0.09 R)
• M20: 15,398,258 km (0.099 R)
• M21: 16,772,016 km (0.042 R)
• M22: 17,228,289 km (0.076 R)
• M23: 17,928,407 km (0.077 R)
• M24: 18,526,051 km (0.064 R)
• M25: 20,270,511 km (0.106 R)
• M26: 22,879,199 km (0.064 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.2

Radius: 14.4

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.12 AU - 4.4 AU

Year: 4945 Days

Day: 12.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,999,480 km

• M1: 179,069 km (0.052 R)
• M2: 782,098 km (0.113 R)
• M3: 2,184,129 km (0.044 R)
• M4: 2,788,654 km (0.081 R)
• M5: 4,008,475 km (0.104 R)
• M6: 7,064,460 km (0.056 R)
• M7: 7,875,730 km (0.108 R)
• M8: 10,641,944 km (0.05 R)
• M9: 12,392,837 km (0.054 R)
• M10: 13,051,517 km (0.06 R)
• M11: 16,946,896 km (0.066 R)
• M12: 22,586,436 km (0.062 R)
• M13: 23,570,491 km (0.095 R)
• M14: 27,367,734 km (0.03 R)
• M15: 30,265,893 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736

Radius: 9.4

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.36 AU - 4.3 AU

Year: 5084 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 61,999,480 km

• M1: 116,836 km (0.038 R)
• M2: 615,446 km (0.111 R)
• M3: 1,246,749 km (0.113 R)
• M4: 1,720,675 km (0.116 R)
• M5: 2,646,087 km (0.116 R)
• M6: 2,974,903 km (0.101 R)
• M7: 3,583,916 km (0.119 R)
• M8: 5,300,402 km (0.118 R)
• M9: 6,548,048 km (0.099 R)
• M10: 7,506,223 km (0.067 R)
• M11: 7,944,245 km (0.059 R)
• M12: 9,073,859 km (0.106 R)
• M13: 10,130,768 km (0.079 R)
• M14: 10,848,987 km (0.115 R)
• M15: 12,793,012 km (0.072 R)
• M16: 14,675,252 km (0.094 R)
• M17: 15,130,179 km (0.079 R)
• M18: 17,106,965 km (0.033 R)
• M19: 18,582,599 km (0.111 R)
• M20: 22,602,593 km (0.118 R)
• M21: 22,980,776 km (0.086 R)
• M22: 26,492,437 km (0.1 R)
• M23: 28,200,994 km (0.069 R)
• M24: 30,163,867 km (0.025 R)
• M25: 31,085,390 km (0.099 R)

Asteroid Belt

Center: 4.7 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.4

Radius: 9.2

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 4.9 AU - 6.22 AU

Year: 8892 Days

Day: 14.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 52.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,999,480 km

• M1: 114,442 km (0.111 R)
• M2: 575,204 km (0.115 R)
• M3: 865,723 km (0.11 R)
• M4: 1,623,885 km (0.093 R)
• M5: 1,978,432 km (0.115 R)
• M6: 2,397,605 km (0.116 R)
• M7: 3,137,516 km (0.109 R)
• M8: 3,800,235 km (0.089 R)
• M9: 4,136,232 km (0.11 R)
• M10: 4,656,683 km (0.086 R)
• M11: 8,366,261 km (0.092 R)
• M12: 10,992,900 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 686.7

Radius: 4.5

Gravity: 33.91 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.7 AU - 7.84 AU

Year: 11947 Days

Day: 17.9 Hours

Environment

Temp: -220 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 61,999,480 km

• M1: 55,950 km (0.113 R)
• M2: 256,860 km (0.106 R)
• M3: 783,444 km (0.093 R)
• M4: 1,118,094 km (0.058 R)
• M5: 1,331,571 km (0.076 R)
• M6: 1,571,825 km (0.071 R)
• M7: 2,310,390 km (0.053 R)
• M8: 3,111,187 km (0.052 R)
• M9: 4,466,843 km (0.07 R)
• M10: 4,907,708 km (0.067 R)
• M11: 6,963,930 km (0.07 R)
• M12: 7,383,253 km (0.093 R)
• M13: 8,599,783 km (0.057 R)
• M14: 9,996,130 km (0.062 R)
• M15: 10,803,210 km (0.109 R)
• M16: 12,546,025 km (0.045 R)
• M17: 13,040,596 km (0.053 R)
• M18: 13,292,668 km (0.104 R)
• M19: 19,449,967 km (0.09 R)
• M20: 22,367,425 km (0.052 R)
• M21: 27,372,970 km (0.106 R)
• M22: 33,781,294 km (0.096 R)
• M23: 35,343,245 km (0.073 R)
• M24: 36,080,014 km (0.061 R)
• M25: 39,260,615 km (0.088 R)
• M26: 40,583,509 km (0.074 R)
• M27: 41,255,951 km (0.103 R)
• M28: 41,527,023 km (0.094 R)
• M29: 48,243,817 km (0.059 R)
• M30: 49,607,552 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840.8

Radius: 7.9

Gravity: 13.47 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.32 AU - 9.46 AU

Year: 16483 Days

Day: 20 Hours

Environment

Temp: -236 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 61,999,480 km

• M1: 98,286 km (0.046 R)
• M2: 437,275 km (0.079 R)
• M3: 696,528 km (0.073 R)
• M4: 1,002,904 km (0.085 R)
• M5: 1,399,189 km (0.113 R)
• M6: 1,788,891 km (0.098 R)
• M7: 2,208,214 km (0.091 R)
• M8: 2,621,852 km (0.041 R)
• M9: 3,086,204 km (0.118 R)
• M10: 4,147,601 km (0.08 R)
• M11: 4,606,866 km (0.111 R)
• M12: 5,172,795 km (0.12 R)
• M13: 5,904,030 km (0.098 R)
• M14: 7,059,224 km (0.108 R)
• M15: 7,381,757 km (0.092 R)
• M16: 7,957,859 km (0.075 R)
• M17: 9,418,233 km (0.096 R)
• M18: 11,296,734 km (0.075 R)
• M19: 12,860,331 km (0.107 R)
• M20: 13,907,665 km (0.098 R)
• M21: 15,622,805 km (0.097 R)
• M22: 17,224,699 km (0.057 R)
• M23: 17,810,524 km (0.092 R)
• M24: 18,065,588 km (0.114 R)
• M25: 19,110,230 km (0.072 R)
• M26: 19,828,749 km (0.12 R)
• M27: 22,092,314 km (0.081 R)
• M28: 22,683,974 km (0.076 R)
• M29: 25,263,939 km (0.027 R)
• M30: 29,431,586 km (0.105 R)
• M31: 30,753,732 km (0.105 R)
• M32: 33,258,449 km (0.089 R)
• M33: 36,713,711 km (0.047 R)
• M34: 37,963,452 km (0.082 R)
• M35: 52,406,228 km (0.11 R)
• M36: 55,242,754 km (0.046 R)
• M37: 56,149,766 km (0.052 R)
• M38: 59,497,018 km (0.076 R)
• M39: 61,412,918 km (0.08 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.3

Radius: 4.7

Gravity: 24.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 7.1 AU - 9.84 AU

Year: 16719 Days

Day: 20.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 160.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 61,999,480 km

• M1: 58,493 km (0.069 R)
• M2: 235,766 km (0.081 R)
• M3: 384,766 km (0.095 R)
• M4: 657,034 km (0.067 R)
• M5: 872,604 km (0.109 R)
• M6: 1,492,388 km (0.067 R)
• M7: 1,681,181 km (0.1 R)
• M8: 2,579,965 km (0.088 R)
• M9: 3,145,295 km (0.101 R)
• M10: 4,779,951 km (0.065 R)
• M11: 6,489,406 km (0.099 R)
• M12: 8,178,665 km (0.039 R)
• M13: 10,030,238 km (0.038 R)
• M14: 10,704,924 km (0.085 R)
• M15: 12,019,291 km (0.087 R)
• M16: 15,326,451 km (0.104 R)
• M17: 17,305,631 km (0.052 R)
• M18: 19,192,958 km (0.051 R)
• M19: 19,448,920 km (0.038 R)
• M20: 19,620,808 km (0.106 R)
• M21: 29,002,838 km (0.064 R)
• M22: 30,713,939 km (0.119 R)
• M23: 33,098,529 km (0.118 R)
• M24: 33,589,808 km (0.037 R)
• M25: 35,092,818 km (0.119 R)
• M26: 37,830,160 km (0.026 R)
• M27: 49,081,865 km (0.12 R)
• M28: 60,342,096 km (0.093 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 16,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit