🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.8 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 918.8

Radius: 12.9

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.52 AU - 1.68 AU

Year: 1373 Days

Day: 9.8 Hours

Environment

Temp: -197 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 78,658,404 km

• M1: 160,369 km (0.102 R)
• M2: 772,075 km (0.077 R)
• M3: 1,266,047 km (0.117 R)
• M4: 1,727,407 km (0.065 R)
• M5: 2,218,985 km (0.102 R)
• M6: 4,194,874 km (0.078 R)
• M7: 4,610,606 km (0.055 R)
• M8: 5,012,576 km (0.05 R)
• M9: 5,614,707 km (0.059 R)
• M10: 6,313,180 km (0.117 R)
• M11: 6,964,828 km (0.113 R)
• M12: 7,468,973 km (0.12 R)
• M13: 9,604,931 km (0.038 R)
• M14: 11,273,995 km (0.034 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.5

Radius: 8

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.74 AU - 1.92 AU

Year: 1679 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,658,404 km

• M1: 99,483 km (0.119 R)
• M2: 403,465 km (0.062 R)
• M3: 761,603 km (0.072 R)
• M4: 1,015,470 km (0.086 R)
• M5: 1,456,186 km (0.109 R)
• M6: 1,768,845 km (0.104 R)
• M7: 2,019,272 km (0.066 R)
• M8: 2,506,662 km (0.119 R)
• M9: 3,098,322 km (0.102 R)
• M10: 3,511,361 km (0.04 R)
• M11: 4,182,158 km (0.112 R)
• M12: 4,687,500 km (0.087 R)
• M13: 5,690,404 km (0.074 R)
• M14: 6,311,085 km (0.086 R)
• M15: 6,614,320 km (0.091 R)
• M16: 7,351,090 km (0.117 R)
• M17: 7,686,937 km (0.117 R)
• M18: 8,196,168 km (0.101 R)
• M19: 9,371,708 km (0.078 R)
• M20: 9,643,976 km (0.039 R)
• M21: 10,590,482 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.4

Radius: 12.3

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.55 AU - 2.49 AU

Year: 1947 Days

Day: 7.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 78,658,404 km

• M1: 153,039 km (0.068 R)
• M2: 574,456 km (0.108 R)
• M3: 977,921 km (0.119 R)
• M4: 1,396,197 km (0.03 R)
• M5: 1,801,607 km (0.092 R)
• M6: 2,251,149 km (0.073 R)
• M7: 2,761,876 km (0.061 R)
• M8: 3,775,102 km (0.095 R)
• M9: 4,367,809 km (0.119 R)
• M10: 5,126,420 km (0.091 R)
• M11: 5,694,593 km (0.026 R)
• M12: 6,600,707 km (0.11 R)
• M13: 7,463,438 km (0.095 R)
• M14: 8,819,991 km (0.116 R)
• M15: 10,505,810 km (0.095 R)
• M16: 11,904,400 km (0.056 R)
• M17: 13,957,481 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 14.3

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.01 AU - 2.25 AU

Year: 2108 Days

Day: 9.8 Hours

Environment

Temp: -206 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 78,658,404 km

• M1: 178,321 km (0.065 R)
• M2: 639,680 km (0.102 R)
• M3: 2,080,009 km (0.09 R)
• M4: 2,781,473 km (0.111 R)
• M5: 3,266,769 km (0.118 R)
• M6: 4,002,940 km (0.076 R)
• M7: 4,553,460 km (0.113 R)
• M8: 5,037,858 km (0.096 R)
• M9: 6,493,744 km (0.116 R)
• M10: 7,533,599 km (0.099 R)
• M11: 8,027,422 km (0.116 R)
• M12: 9,196,080 km (0.088 R)
• M13: 9,943,770 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.7

Radius: 12.5

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.19 AU - 3.45 AU

Year: 3212 Days

Day: 14.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,658,404 km

• M1: 155,432 km (0.095 R)
• M2: 701,315 km (0.106 R)
• M3: 1,176,138 km (0.037 R)
• M4: 1,570,478 km (0.104 R)
• M5: 2,548,250 km (0.109 R)
• M6: 4,050,811 km (0.037 R)
• M7: 4,976,074 km (0.095 R)
• M8: 7,966,835 km (0.112 R)
• M9: 9,416,588 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 665.4

Radius: 10.2

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 3.98 AU - 6.2 AU

Year: 7789 Days

Day: 8.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,658,404 km

• M1: 154,086 km (0.109 R)
• M2: 620,682 km (0.063 R)
• M3: 987,496 km (0.051 R)
• M4: 1,476,830 km (0.09 R)
• M5: 1,859,202 km (0.086 R)
• M6: 2,189,066 km (0.075 R)
• M7: 2,948,873 km (0.057 R)
• M8: 3,311,798 km (0.087 R)
• M9: 3,900,316 km (0.061 R)
• M10: 4,420,019 km (0.071 R)
• M11: 4,868,663 km (0.103 R)
• M12: 5,598,551 km (0.11 R)
• M13: 9,445,011 km (0.116 R)
• M14: 9,860,145 km (0.099 R)
• M15: 10,628,181 km (0.096 R)
• M16: 11,281,175 km (0.113 R)
• M17: 11,643,801 km (0.119 R)
• M18: 14,892,767 km (0.102 R)
• M19: 15,582,862 km (0.114 R)
• M20: 17,298,750 km (0.086 R)
• M21: 20,946,395 km (0.045 R)
• M22: 24,989,726 km (0.094 R)
• M23: 26,143,873 km (0.082 R)
• M24: 30,714,238 km (0.079 R)
• M25: 35,127,525 km (0.06 R)
• M26: 37,142,010 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.6

Radius: 8

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.42 AU - 6.1 AU

Year: 8182 Days

Day: 7.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,658,404 km

• M1: 106,813 km (0.065 R)
• M2: 856,298 km (0.039 R)
• M3: 1,292,226 km (0.081 R)
• M4: 1,681,779 km (0.103 R)
• M5: 2,338,215 km (0.114 R)
• M6: 2,752,601 km (0.083 R)
• M7: 3,276,642 km (0.086 R)
• M8: 3,819,682 km (0.107 R)
• M9: 4,758,110 km (0.11 R)
• M10: 5,996,481 km (0.03 R)
• M11: 6,673,860 km (0.088 R)
• M12: 9,053,813 km (0.114 R)
• M13: 13,123,772 km (0.092 R)
• M14: 19,758,139 km (0.077 R)
• M15: 20,318,532 km (0.081 R)
• M16: 20,673,977 km (0.115 R)
• M17: 24,944,847 km (0.086 R)
• M18: 26,772,185 km (0.06 R)
• M19: 27,371,773 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.4

Radius: 6.5

Gravity: 8.93 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 6.97 AU - 8.67 AU

Year: 14832 Days

Day: 18.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,658,404 km

• M1: 83,625 km (0.055 R)
• M2: 383,419 km (0.084 R)
• M3: 1,142,030 km (0.113 R)
• M4: 1,404,126 km (0.097 R)
• M5: 2,139,848 km (0.112 R)
• M6: 2,541,668 km (0.119 R)
• M7: 3,888,198 km (0.116 R)
• M8: 4,516,809 km (0.087 R)
• M9: 6,010,693 km (0.076 R)
• M10: 7,807,064 km (0.092 R)
• M11: 10,087,983 km (0.111 R)
• M12: 11,268,460 km (0.032 R)
• M13: 13,084,129 km (0.102 R)
• M14: 14,223,317 km (0.042 R)
• M15: 15,290,249 km (0.117 R)
• M16: 16,054,095 km (0.071 R)
• M17: 16,409,540 km (0.036 R)
• M18: 18,112,712 km (0.112 R)
• M19: 21,693,337 km (0.106 R)
• M20: 23,014,286 km (0.062 R)
• M21: 23,648,880 km (0.112 R)
• M22: 24,294,844 km (0.088 R)
• M23: 24,763,534 km (0.111 R)
• M24: 35,809,990 km (0.106 R)
• M25: 36,784,321 km (0.036 R)
• M26: 38,531,924 km (0.111 R)
• M27: 38,785,941 km (0.068 R)
• M28: 39,426,070 km (0.04 R)
• M29: 42,191,536 km (0.101 R)
• M30: 45,791,310 km (0.119 R)
• M31: 47,665,622 km (0.082 R)
• M32: 47,958,385 km (0.102 R)
• M33: 48,547,651 km (0.099 R)
• M34: 50,800,445 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.9

Radius: 4.4

Gravity: 32.12 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.93 AU - 12.45 AU

Year: 22062 Days

Day: 21.4 Hours

Environment

Temp: -245 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 78,658,404 km

• M1: 57,745 km (0.112 R)
• M2: 294,409 km (0.108 R)
• M3: 552,465 km (0.074 R)
• M4: 903,122 km (0.11 R)
• M5: 1,210,696 km (0.103 R)
• M6: 1,636,451 km (0.072 R)
• M7: 1,893,610 km (0.069 R)
• M8: 2,284,958 km (0.1 R)
• M9: 3,063,166 km (0.114 R)
• M10: 3,453,766 km (0.043 R)
• M11: 3,601,120 km (0.112 R)
• M12: 5,432,647 km (0.08 R)
• M13: 6,088,783 km (0.085 R)
• M14: 9,302,295 km (0.09 R)
• M15: 14,081,797 km (0.058 R)
• M16: 14,231,844 km (0.081 R)
• M17: 15,312,090 km (0.06 R)
• M18: 15,791,252 km (0.038 R)
• M19: 17,374,895 km (0.029 R)
• M20: 18,970,057 km (0.094 R)
• M21: 23,590,088 km (0.106 R)
• M22: 27,832,684 km (0.055 R)
• M23: 33,615,240 km (0.113 R)
• M24: 36,643,550 km (0.104 R)
• M25: 39,848,684 km (0.112 R)
• M26: 43,077,904 km (0.114 R)
• M27: 51,994,236 km (0.055 R)
• M28: 53,987,029 km (0.099 R)
• M29: 54,170,586 km (0.096 R)
• M30: 54,724,098 km (0.071 R)
• M31: 61,262,422 km (0.105 R)
• M32: 64,305,393 km (0.081 R)
• M33: 69,598,165 km (0.116 R)
• M34: 69,815,830 km (0.075 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: 197 - 13,288 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit