🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.48 AU - 0.74 AU

Year: 308 Days

Day: 18.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 39.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 8.4

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 1.75 AU - 1.83 AU

Year: 1546 Days

Day: 5.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,153,021 km

• M1: 106,214 km (0.113 R)
• M2: 519,404 km (0.11 R)
• M3: 821,592 km (0.108 R)
• M4: 1,275,023 km (0.114 R)
• M5: 1,909,168 km (0.087 R)
• M6: 2,334,774 km (0.045 R)
• M7: 2,684,384 km (0.11 R)
• M8: 2,950,968 km (0.073 R)
• M9: 3,587,806 km (0.082 R)
• M10: 3,983,343 km (0.068 R)
• M11: 5,153,946 km (0.087 R)
• M12: 6,052,281 km (0.073 R)
• M13: 6,390,223 km (0.066 R)
• M14: 6,689,867 km (0.067 R)
• M15: 7,104,104 km (0.072 R)
• M16: 8,243,890 km (0.108 R)
• M17: 8,539,495 km (0.08 R)
• M18: 9,727,901 km (0.058 R)
• M19: 10,464,371 km (0.111 R)
• M20: 12,506,681 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747.4

Radius: 13.8

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.78 AU - 2.72 AU

Year: 2179 Days

Day: 14.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 144.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 54,153,021 km

• M1: 171,589 km (0.112 R)
• M2: 607,667 km (0.093 R)
• M3: 1,464,114 km (0.101 R)
• M4: 1,905,578 km (0.11 R)
• M5: 2,806,456 km (0.066 R)
• M6: 3,769,567 km (0.083 R)
• M7: 4,248,280 km (0.108 R)
• M8: 4,789,376 km (0.051 R)
• M9: 5,329,424 km (0.109 R)
• M10: 5,910,013 km (0.063 R)
• M11: 6,399,498 km (0.058 R)
• M12: 8,251,370 km (0.114 R)
• M13: 8,700,014 km (0.06 R)
• M14: 10,181,781 km (0.034 R)
• M15: 11,665,792 km (0.114 R)
• M16: 12,522,389 km (0.088 R)
• M17: 13,376,742 km (0.089 R)
• M18: 14,407,023 km (0.074 R)
• M19: 15,634,773 km (0.064 R)
• M20: 16,625,709 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 558.4

Radius: 15

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 2.75 AU - 4.23 AU

Year: 4210 Days

Day: 14.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,153,021 km

• M1: 186,549 km (0.089 R)
• M2: 1,524,253 km (0.027 R)
• M3: 3,141,555 km (0.07 R)
• M4: 4,052,307 km (0.061 R)
• M5: 5,853,017 km (0.087 R)
• M6: 7,169,777 km (0.08 R)
• M7: 7,694,866 km (0.057 R)
• M8: 14,409,267 km (0.056 R)
• M9: 19,499,484 km (0.071 R)
• M10: 21,725,800 km (0.079 R)
• M11: 24,630,392 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 12.6

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.41 AU - 3.83 AU

Year: 4447 Days

Day: 11.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,153,021 km

• M1: 156,629 km (0.114 R)
• M2: 755,918 km (0.036 R)
• M3: 1,626,578 km (0.089 R)
• M4: 2,205,671 km (0.068 R)
• M5: 2,854,776 km (0.079 R)
• M6: 3,882,214 km (0.102 R)
• M7: 4,559,294 km (0.067 R)
• M8: 4,997,766 km (0.114 R)
• M9: 8,590,807 km (0.096 R)
• M10: 9,190,396 km (0.098 R)
• M11: 12,440,110 km (0.058 R)
• M12: 13,628,067 km (0.113 R)
• M13: 16,656,377 km (0.093 R)
• M14: 18,384,980 km (0.096 R)
• M15: 19,622,154 km (0.108 R)
• M16: 20,726,037 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 363.6

Radius: 11.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.8 AU - 5.8 AU

Year: 7878 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,153,021 km

• M1: 139,874 km (0.099 R)
• M2: 745,895 km (0.037 R)
• M3: 1,260,512 km (0.096 R)
• M4: 2,005,958 km (0.112 R)
• M5: 2,361,851 km (0.095 R)
• M6: 3,143,350 km (0.114 R)
• M7: 4,137,578 km (0.061 R)
• M8: 4,512,321 km (0.09 R)
• M9: 5,074,958 km (0.102 R)
• M10: 6,341,304 km (0.093 R)
• M11: 9,703,367 km (0.079 R)
• M12: 10,098,754 km (0.063 R)
• M13: 12,546,624 km (0.052 R)
• M14: 16,208,331 km (0.09 R)
• M15: 17,788,832 km (0.076 R)
• M16: 19,194,005 km (0.12 R)
• M17: 19,678,403 km (0.118 R)
• M18: 24,818,137 km (0.05 R)
• M19: 25,393,191 km (0.118 R)
• M20: 27,695,503 km (0.117 R)
• M21: 29,948,147 km (0.117 R)
• M22: 30,506,447 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.4

Radius: 8.5

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.29 AU - 7.05 AU

Year: 8717 Days

Day: 5.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,153,021 km

• M1: 108,159 km (0.088 R)
• M2: 435,928 km (0.101 R)
• M3: 1,019,509 km (0.119 R)
• M4: 1,330,523 km (0.056 R)
• M5: 2,653,268 km (0.116 R)
• M6: 3,287,413 km (0.08 R)
• M7: 4,081,329 km (0.09 R)
• M8: 6,153,409 km (0.075 R)
• M9: 8,092,048 km (0.052 R)
• M10: 12,675,278 km (0.091 R)
• M11: 14,117,252 km (0.108 R)
• M12: 15,255,392 km (0.04 R)
• M13: 17,323,433 km (0.116 R)
• M14: 17,657,336 km (0.081 R)
• M15: 18,166,417 km (0.101 R)
• M16: 19,213,603 km (0.052 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 489.8

Radius: 6

Gravity: 13.61 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 6.74 AU - 8.96 AU

Year: 14201 Days

Day: 19.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,153,021 km

• M1: 74,949 km (0.094 R)
• M2: 395,238 km (0.084 R)
• M3: 698,921 km (0.104 R)
• M4: 2,704,281 km (0.106 R)
• M5: 3,065,560 km (0.062 R)
• M6: 4,109,902 km (0.119 R)
• M7: 4,374,242 km (0.077 R)
• M8: 4,744,347 km (0.082 R)
• M9: 5,338,400 km (0.112 R)
• M10: 6,168,070 km (0.087 R)
• M11: 6,673,411 km (0.115 R)
• M12: 7,591,045 km (0.06 R)
• M13: 10,036,970 km (0.096 R)
• M14: 11,351,486 km (0.119 R)
• M15: 12,109,499 km (0.082 R)
• M16: 13,214,130 km (0.104 R)
• M17: 15,201,836 km (0.07 R)
• M18: 15,621,907 km (0.102 R)
• M19: 16,121,863 km (0.106 R)
• M20: 28,707,831 km (0.11 R)
• M21: 29,134,634 km (0.117 R)
• M22: 31,107,830 km (0.105 R)
• M23: 33,051,705 km (0.102 R)
• M24: 36,178,899 km (0.111 R)
• M25: 37,305,670 km (0.098 R)
• M26: 37,814,003 km (0.073 R)
• M27: 38,585,031 km (0.084 R)
• M28: 41,502,040 km (0.066 R)
• M29: 43,153,301 km (0.088 R)
• M30: 43,713,395 km (0.072 R)
• M31: 46,586,722 km (0.117 R)
• M32: 47,919,788 km (0.032 R)
• M33: 50,197,715 km (0.115 R)
• M34: 52,387,978 km (0.102 R)
• M35: 53,990,919 km (0.09 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: 245 - 16,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit