🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.8

Radius: 11.8

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.84 AU - 0.88 AU

Year: 551 Days

Day: 13.5 Hours

Environment

Temp: -172 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,896,984 km

• M1: 146,756 km (0.092 R)
• M2: 563,086 km (0.092 R)
• M3: 1,074,113 km (0.106 R)
• M4: 1,588,430 km (0.117 R)
• M5: 2,256,534 km (0.111 R)
• M6: 3,006,169 km (0.063 R)
• M7: 3,381,211 km (0.103 R)
• M8: 4,057,094 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.2

Radius: 8.9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.77 AU - 1.09 AU

Year: 619 Days

Day: 5.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,896,984 km

• M1: 110,852 km (0.106 R)
• M2: 502,499 km (0.087 R)
• M3: 779,854 km (0.119 R)
• M4: 1,275,023 km (0.113 R)
• M5: 1,598,304 km (0.088 R)
• M6: 2,162,437 km (0.049 R)
• M7: 2,598,814 km (0.044 R)
• M8: 3,391,533 km (0.104 R)
• M9: 4,216,416 km (0.078 R)
• M10: 4,556,602 km (0.108 R)
• M11: 4,900,228 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.2

Radius: 11.2

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 1 AU - 1.66 AU

Year: 1059 Days

Day: 5.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,896,984 km

• M1: 140,173 km (0.101 R)
• M2: 489,783 km (0.109 R)
• M3: 895,194 km (0.11 R)
• M4: 1,367,025 km (0.111 R)
• M5: 1,876,705 km (0.111 R)
• M6: 2,328,790 km (0.097 R)
• M7: 2,764,718 km (0.045 R)
• M8: 3,283,075 km (0.106 R)
• M9: 3,725,286 km (0.119 R)
• M10: 5,296,363 km (0.045 R)
• M11: 5,907,321 km (0.042 R)
• M12: 7,029,454 km (0.111 R)
• M13: 7,616,327 km (0.061 R)
• M14: 8,449,288 km (0.097 R)
• M15: 8,804,583 km (0.093 R)
• M16: 9,574,563 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.9

Radius: 9.4

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.34 AU - 1.72 AU

Year: 1306 Days

Day: 9 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,896,984 km

• M1: 119,529 km (0.098 R)
• M2: 622,477 km (0.091 R)
• M3: 965,056 km (0.108 R)
• M4: 1,381,836 km (0.115 R)
• M5: 2,643,843 km (0.108 R)
• M6: 3,301,775 km (0.047 R)
• M7: 4,411,641 km (0.077 R)
• M8: 5,015,119 km (0.094 R)
• M9: 5,794,374 km (0.081 R)
• M10: 6,256,183 km (0.113 R)
• M11: 9,248,888 km (0.057 R)
• M12: 9,618,694 km (0.047 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.5

Radius: 8.7

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.88 AU - 2.2 AU

Year: 2011 Days

Day: 13.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,896,984 km

• M1: 108,159 km (0.115 R)
• M2: 435,031 km (0.087 R)
• M3: 728,990 km (0.115 R)
• M4: 1,016,069 km (0.057 R)
• M5: 1,337,555 km (0.098 R)
• M6: 1,657,245 km (0.098 R)
• M7: 2,062,356 km (0.113 R)
• M8: 2,695,305 km (0.109 R)
• M9: 4,343,425 km (0.096 R)
• M10: 4,699,468 km (0.119 R)
• M11: 5,032,173 km (0.099 R)
• M12: 6,101,948 km (0.115 R)
• M13: 6,448,117 km (0.104 R)
• M14: 7,125,945 km (0.098 R)
• M15: 7,764,279 km (0.071 R)
• M16: 8,349,955 km (0.111 R)
• M17: 8,901,971 km (0.058 R)
• M18: 10,493,243 km (0.114 R)
• M19: 10,775,834 km (0.099 R)
• M20: 11,136,215 km (0.097 R)
• M21: 11,881,212 km (0.083 R)
• M22: 12,818,443 km (0.067 R)
• M23: 13,141,575 km (0.089 R)
• M24: 13,511,530 km (0.089 R)
• M25: 14,358,703 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 519.3

Radius: 7.8

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.97 AU - 6.93 AU

Year: 10018 Days

Day: 19.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,896,984 km

• M1: 97,089 km (0.113 R)
• M2: 446,250 km (0.111 R)
• M3: 1,097,151 km (0.074 R)
• M4: 1,435,840 km (0.066 R)
• M5: 1,798,017 km (0.097 R)
• M6: 2,050,388 km (0.093 R)
• M7: 2,727,020 km (0.071 R)
• M8: 3,448,680 km (0.102 R)
• M9: 3,715,862 km (0.098 R)
• M10: 4,572,459 km (0.107 R)
• M11: 5,233,831 km (0.063 R)
• M12: 5,720,174 km (0.093 R)
• M13: 8,748,783 km (0.107 R)
• M14: 10,105,187 km (0.111 R)
• M15: 11,118,862 km (0.117 R)
• M16: 13,644,822 km (0.064 R)
• M17: 14,565,447 km (0.103 R)
• M18: 15,009,005 km (0.058 R)
• M19: 18,078,304 km (0.098 R)
• M20: 25,607,715 km (0.12 R)
• M21: 27,578,816 km (0.057 R)
• M22: 29,851,358 km (0.094 R)
• M23: 30,156,687 km (0.109 R)
• M24: 30,670,256 km (0.114 R)
• M25: 31,399,097 km (0.085 R)
• M26: 38,847,126 km (0.113 R)
• M27: 41,191,325 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 12.6

Radius: 3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 6.52 AU - 6.52 AU

Year: 11492 Days

Day: 19.9 Hours

Environment

Temp: -236 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 66,896,984 km

• M1: 45,777 km (0.114 R)
• M2: 1,307,336 km (0.037 R)
• M3: 2,752,601 km (0.118 R)
• M4: 3,164,294 km (0.072 R)
• M5: 6,837,371 km (0.114 R)
• M6: 11,390,232 km (0.077 R)
• M7: 13,187,800 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 87

Radius: 3

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 6.36 AU - 7.3 AU

Year: 12321 Days

Day: 15.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 66,896,984 km

• M1: 37,399 km (0.096 R)
• M2: 275,559 km (0.054 R)
• M3: 469,438 km (0.079 R)
• M4: 799,002 km (0.052 R)
• M5: 1,306,139 km (0.117 R)
• M6: 1,615,358 km (0.03 R)
• M7: 2,266,857 km (0.062 R)
• M8: 2,425,281 km (0.08 R)
• M9: 2,835,777 km (0.095 R)
• M10: 3,748,923 km (0.096 R)
• M11: 4,177,670 km (0.075 R)
• M12: 4,663,265 km (0.067 R)
• M13: 4,867,765 km (0.089 R)
• M14: 7,286,613 km (0.086 R)
• M15: 8,206,490 km (0.084 R)
• M16: 11,657,115 km (0.103 R)
• M17: 13,160,424 km (0.118 R)
• M18: 14,624,987 km (0.045 R)
• M19: 14,842,652 km (0.041 R)
• M20: 16,427,791 km (0.054 R)
• M21: 21,852,958 km (0.09 R)
• M22: 27,278,274 km (0.043 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 492.6

Radius: 6.2

Gravity: 12.81 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.88 AU - 10.18 AU

Year: 17196 Days

Day: 20.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,896,984 km

• M1: 83,476 km (0.087 R)
• M2: 280,795 km (0.111 R)
• M3: 2,433,209 km (0.034 R)
• M4: 3,842,421 km (0.045 R)
• M5: 4,703,656 km (0.09 R)
• M6: 6,758,533 km (0.072 R)
• M7: 7,231,561 km (0.042 R)
• M8: 9,036,310 km (0.108 R)
• M9: 14,327,287 km (0.113 R)
• M10: 15,765,671 km (0.056 R)
• M11: 21,012,517 km (0.069 R)
• M12: 21,283,588 km (0.076 R)
• M13: 29,404,060 km (0.102 R)
• M14: 30,429,703 km (0.07 R)
• M15: 40,896,168 km (0.048 R)
• M16: 43,330,425 km (0.071 R)
• M17: 46,775,215 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.8

Radius: 5.5

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.62 AU - 9.52 AU

Year: 18855 Days

Day: 20.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 66,896,984 km

• M1: 68,366 km (0.075 R)
• M2: 322,084 km (0.097 R)
• M3: 678,426 km (0.096 R)
• M4: 860,487 km (0.087 R)
• M5: 1,229,545 km (0.101 R)
• M6: 2,002,068 km (0.076 R)
• M7: 3,212,465 km (0.081 R)
• M8: 5,307,882 km (0.025 R)
• M9: 6,573,181 km (0.088 R)
• M10: 6,831,088 km (0.085 R)
• M11: 7,459,099 km (0.112 R)
• M12: 8,124,810 km (0.1 R)
• M13: 8,675,031 km (0.101 R)
• M14: 9,410,903 km (0.059 R)
• M15: 12,906,108 km (0.06 R)
• M16: 18,084,438 km (0.104 R)
• M17: 21,360,781 km (0.097 R)
• M18: 22,309,830 km (0.025 R)
• M19: 25,959,120 km (0.114 R)
• M20: 29,753,371 km (0.104 R)
• M21: 34,028,728 km (0.09 R)
• M22: 38,974,883 km (0.075 R)
• M23: 40,676,409 km (0.115 R)
• M24: 46,705,652 km (0.089 R)
• M25: 48,300,814 km (0.113 R)
• M26: 50,594,748 km (0.116 R)
• M27: 53,476,452 km (0.118 R)
• M28: 60,309,634 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 20,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit