🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.99 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.2

Radius: 13

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.78 AU - 2.16 AU

Year: 1814 Days

Day: 6.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,759,607 km

• M1: 170,392 km (0.036 R)
• M2: 789,578 km (0.061 R)
• M3: 1,428,211 km (0.063 R)
• M4: 3,054,789 km (0.053 R)
• M5: 6,177,943 km (0.101 R)
• M6: 6,861,007 km (0.108 R)
• M7: 7,772,357 km (0.034 R)
• M8: 9,187,404 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 632.5

Radius: 14.4

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.17 AU - 2.39 AU

Year: 2258 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,759,607 km

• M1: 179,218 km (0.071 R)
• M2: 778,059 km (0.12 R)
• M3: 1,385,875 km (0.093 R)
• M4: 2,097,362 km (0.1 R)
• M5: 2,658,055 km (0.077 R)
• M6: 3,139,461 km (0.113 R)
• M7: 4,242,147 km (0.11 R)
• M8: 4,840,389 km (0.074 R)
• M9: 5,377,744 km (0.104 R)
• M10: 5,954,893 km (0.074 R)
• M11: 6,467,266 km (0.098 R)
• M12: 7,064,759 km (0.102 R)
• M13: 7,758,744 km (0.095 R)
• M14: 8,917,230 km (0.113 R)
• M15: 9,418,682 km (0.098 R)
• M16: 10,009,743 km (0.084 R)
• M17: 10,848,838 km (0.093 R)
• M18: 11,459,795 km (0.099 R)
• M19: 12,750,975 km (0.083 R)
• M20: 14,317,115 km (0.065 R)
• M21: 15,910,930 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 300.9

Radius: 9.7

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.02 AU - 2.78 AU

Year: 2439 Days

Day: 14.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,759,607 km

• M1: 120,725 km (0.108 R)
• M2: 450,589 km (0.096 R)
• M3: 931,696 km (0.067 R)
• M4: 1,297,612 km (0.114 R)
• M5: 2,256,235 km (0.037 R)
• M6: 2,705,178 km (0.079 R)
• M7: 3,046,710 km (0.097 R)
• M8: 3,766,126 km (0.111 R)
• M9: 4,400,571 km (0.087 R)
• M10: 4,999,710 km (0.113 R)
• M11: 6,534,285 km (0.088 R)
• M12: 7,180,399 km (0.053 R)
• M13: 9,028,830 km (0.108 R)
• M14: 10,505,361 km (0.094 R)
• M15: 11,282,971 km (0.073 R)
• M16: 11,797,438 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 127.5

Radius: 10

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.35 AU - 5.31 AU

Year: 5911 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,759,607 km

• M1: 124,316 km (0.116 R)
• M2: 472,729 km (0.072 R)
• M3: 904,020 km (0.096 R)
• M4: 1,615,358 km (0.097 R)
• M5: 2,150,918 km (0.097 R)
• M6: 2,489,608 km (0.09 R)
• M7: 3,040,577 km (0.025 R)
• M8: 3,596,782 km (0.046 R)
• M9: 4,535,658 km (0.065 R)
• M10: 6,609,084 km (0.074 R)
• M11: 8,431,934 km (0.051 R)
• M12: 12,094,240 km (0.088 R)
• M13: 17,819,949 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.8

Radius: 14.2

Gravity: 4.21 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.84 AU - 6.18 AU

Year: 8485 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,759,607 km

• M1: 178,021 km (0.067 R)
• M2: 721,660 km (0.064 R)
• M3: 1,218,774 km (0.078 R)
• M4: 1,769,743 km (0.097 R)
• M5: 2,925,386 km (0.055 R)
• M6: 3,392,431 km (0.107 R)
• M7: 5,042,795 km (0.1 R)
• M8: 6,348,335 km (0.097 R)
• M9: 8,295,352 km (0.096 R)
• M10: 8,782,442 km (0.102 R)
• M11: 10,410,067 km (0.085 R)
• M12: 11,456,953 km (0.095 R)
• M13: 13,098,490 km (0.12 R)
• M14: 15,414,265 km (0.108 R)
• M15: 16,220,897 km (0.039 R)
• M16: 16,844,122 km (0.098 R)
• M17: 18,360,595 km (0.105 R)
• M18: 23,281,468 km (0.074 R)
• M19: 27,724,225 km (0.056 R)
• M20: 28,615,978 km (0.102 R)
• M21: 32,050,297 km (0.086 R)
• M22: 32,593,486 km (0.115 R)
• M23: 33,142,959 km (0.115 R)
• M24: 45,610,446 km (0.088 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 42.4

Radius: 3.9

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 5.82 AU - 7.2 AU

Year: 10896 Days

Day: 15.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,759,607 km

• M1: 48,619 km (0.09 R)
• M2: 236,664 km (0.115 R)
• M3: 412,890 km (0.115 R)
• M4: 651,050 km (0.031 R)
• M5: 1,227,451 km (0.107 R)
• M6: 1,985,313 km (0.099 R)
• M7: 4,396,532 km (0.044 R)
• M8: 5,056,707 km (0.078 R)
• M9: 10,574,924 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 472.7

Radius: 6.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 6.2 AU - 10.04 AU

Year: 15179 Days

Day: 21 Hours

Environment

Temp: -226 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 62,759,607 km

• M1: 84,523 km (0.091 R)
• M2: 373,845 km (0.066 R)
• M3: 655,388 km (0.084 R)
• M4: 1,010,833 km (0.06 R)
• M5: 2,299,469 km (0.074 R)
• M6: 3,198,402 km (0.105 R)
• M7: 4,464,150 km (0.077 R)
• M8: 4,746,292 km (0.118 R)
• M9: 5,208,848 km (0.073 R)
• M10: 5,593,016 km (0.109 R)
• M11: 6,777,980 km (0.115 R)
• M12: 7,193,563 km (0.079 R)
• M13: 8,448,091 km (0.044 R)
• M14: 13,205,303 km (0.112 R)
• M15: 14,934,954 km (0.067 R)
• M16: 16,586,215 km (0.033 R)
• M17: 17,264,193 km (0.112 R)
• M18: 17,648,809 km (0.056 R)
• M19: 20,761,043 km (0.049 R)
• M20: 21,371,701 km (0.049 R)
• M21: 22,720,476 km (0.065 R)
• M22: 27,835,676 km (0.082 R)
• M23: 30,659,336 km (0.054 R)
• M24: 32,256,293 km (0.089 R)
• M25: 35,121,391 km (0.11 R)
• M26: 36,489,613 km (0.092 R)
• M27: 39,067,484 km (0.116 R)
• M28: 41,078,827 km (0.051 R)
• M29: 44,152,166 km (0.037 R)
• M30: 47,675,944 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.9

Radius: 6.5

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 8.98 AU - 10.38 AU

Year: 19757 Days

Day: 21.2 Hours

Environment

Temp: -228 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,759,607 km

• M1: 80,932 km (0.12 R)
• M2: 305,329 km (0.083 R)
• M3: 574,755 km (0.085 R)
• M4: 2,437,249 km (0.092 R)
• M5: 3,602,317 km (0.094 R)
• M6: 4,002,641 km (0.119 R)
• M7: 5,604,086 km (0.041 R)
• M8: 7,275,842 km (0.075 R)
• M9: 8,346,364 km (0.097 R)
• M10: 9,518,314 km (0.08 R)
• M11: 13,217,271 km (0.089 R)
• M12: 13,619,390 km (0.098 R)
• M13: 14,731,650 km (0.099 R)
• M14: 15,978,399 km (0.034 R)
• M15: 16,281,783 km (0.091 R)
• M16: 17,613,803 km (0.091 R)
• M17: 25,582,881 km (0.06 R)
• M18: 25,893,895 km (0.095 R)
• M19: 28,695,714 km (0.117 R)
• M20: 29,031,561 km (0.081 R)
• M21: 30,866,678 km (0.119 R)
• M22: 32,656,168 km (0.058 R)
• M23: 33,390,843 km (0.063 R)
• M24: 35,532,486 km (0.115 R)
• M25: 42,794,715 km (0.065 R)
• M26: 45,167,188 km (0.052 R)
• M27: 45,773,657 km (0.103 R)
• M28: 49,047,307 km (0.085 R)
• M29: 49,688,185 km (0.105 R)
• M30: 53,144,045 km (0.099 R)
• M31: 61,824,162 km (0.12 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: 178 - 14,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit