🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.71 AU - 0.85 AU

Year: 241 Days

Day: 42.9 Hours

Environment

Temp: 163 °C

Axial Tilt: 26.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.95 AU - 1.53 AU

Year: 483 Days

Day: 12.6 Hours

Environment

Temp: 28 °C

Axial Tilt: 41.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.25 AU - 1.47 AU

Year: 555 Days

Day: 47.2 Hours

Environment

Temp: 20 °C

Axial Tilt: 38.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.62 AU - 1.96 AU

Year: 838 Days

Day: 39.8 Hours

Environment

Temp: -29 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 63,514,120 km

• M1: 56,249 km (0.086 R)
• M2: 1,436,439 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.5

Radius: 12.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 5.47 AU - 5.85 AU

Year: 4711 Days

Day: 14.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 134.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,514,120 km

• M1: 157,078 km (0.061 R)
• M2: 578,944 km (0.056 R)
• M3: 971,189 km (0.077 R)
• M4: 1,363,435 km (0.114 R)
• M5: 2,116,511 km (0.091 R)
• M6: 2,691,565 km (0.069 R)
• M7: 3,492,961 km (0.098 R)
• M8: 4,572,010 km (0.093 R)
• M9: 5,040,102 km (0.111 R)
• M10: 6,640,201 km (0.057 R)
• M11: 7,628,295 km (0.087 R)
• M12: 8,595,146 km (0.065 R)
• M13: 10,109,974 km (0.107 R)
• M14: 11,463,386 km (0.086 R)
• M15: 15,718,248 km (0.084 R)
• M16: 16,188,584 km (0.083 R)
• M17: 17,530,776 km (0.105 R)
• M18: 18,164,772 km (0.105 R)
• M19: 19,681,096 km (0.066 R)
• M20: 20,644,656 km (0.103 R)
• M21: 21,066,971 km (0.116 R)
• M22: 23,800,872 km (0.074 R)
• M23: 24,343,463 km (0.111 R)
• M24: 25,695,678 km (0.058 R)
• M25: 26,763,059 km (0.119 R)
• M26: 28,549,557 km (0.099 R)
• M27: 29,250,572 km (0.042 R)
• M28: 29,783,889 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.5

Radius: 9.5

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.01 AU - 6.41 AU

Year: 5414 Days

Day: 10 Hours

Environment

Temp: -148 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,514,120 km

• M1: 137,331 km (0.114 R)
• M2: 455,376 km (0.082 R)
• M3: 1,403,078 km (0.07 R)
• M4: 1,746,555 km (0.072 R)
• M5: 2,392,519 km (0.094 R)
• M6: 3,112,533 km (0.036 R)
• M7: 3,618,623 km (0.076 R)
• M8: 5,585,386 km (0.068 R)
• M9: 8,786,930 km (0.113 R)
• M10: 9,303,791 km (0.026 R)
• M11: 9,967,557 km (0.109 R)
• M12: 10,398,099 km (0.051 R)
• M13: 11,717,702 km (0.074 R)
• M14: 14,796,576 km (0.107 R)
• M15: 15,244,173 km (0.07 R)
• M16: 22,940,385 km (0.115 R)
• M17: 23,389,328 km (0.111 R)
• M18: 25,562,387 km (0.092 R)
• M19: 26,451,746 km (0.036 R)
• M20: 28,206,828 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.2

Radius: 10.9

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 6.15 AU - 6.37 AU

Year: 5479 Days

Day: 10.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,514,120 km

• M1: 135,536 km (0.051 R)
• M2: 906,713 km (0.07 R)
• M3: 1,356,553 km (0.104 R)
• M4: 1,708,408 km (0.088 R)
• M5: 2,050,987 km (0.065 R)
• M6: 2,602,554 km (0.094 R)
• M7: 3,309,703 km (0.092 R)
• M8: 4,692,436 km (0.106 R)
• M9: 5,265,845 km (0.107 R)
• M10: 6,615,966 km (0.118 R)
• M11: 9,372,456 km (0.088 R)
• M12: 10,325,843 km (0.091 R)
• M13: 12,280,190 km (0.111 R)
• M14: 13,167,156 km (0.098 R)
• M15: 13,626,571 km (0.077 R)
• M16: 14,096,458 km (0.116 R)
• M17: 15,515,244 km (0.103 R)
• M18: 19,871,833 km (0.099 R)
• M19: 23,092,975 km (0.097 R)
• M20: 24,290,505 km (0.113 R)
• M21: 27,053,728 km (0.064 R)
• M22: 27,547,700 km (0.082 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 633.7

Radius: 14.1

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 10.59 AU - 10.59 AU

Year: 12056 Days

Day: 7.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,514,120 km

• M1: 175,927 km (0.08 R)
• M2: 721,660 km (0.105 R)
• M3: 1,396,047 km (0.119 R)
• M4: 3,046,112 km (0.07 R)
• M5: 4,026,576 km (0.025 R)
• M6: 4,728,789 km (0.105 R)
• M7: 7,129,236 km (0.078 R)
• M8: 7,762,185 km (0.114 R)
• M9: 10,786,455 km (0.082 R)
• M10: 21,543,440 km (0.082 R)
• M11: 23,506,463 km (0.085 R)
• M12: 25,586,173 km (0.114 R)
• M13: 26,471,343 km (0.066 R)
• M14: 32,559,079 km (0.076 R)
• M15: 36,356,023 km (0.106 R)
• M16: 37,224,289 km (0.029 R)
• M17: 43,555,270 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 12.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28.5

Radius: 10.4

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 10.84 AU - 14.98 AU

Year: 16228 Days

Day: 8.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,514,120 km

• M1: 322,982 km (0.064 R)
• M2: 815,458 km (0.106 R)
• M3: 3,172,522 km (0.106 R)
• M4: 3,821,328 km (0.071 R)
• M5: 4,156,128 km (0.101 R)
• M6: 8,784,836 km (0.118 R)
• M7: 9,222,260 km (0.073 R)
• M8: 9,867,027 km (0.074 R)
• M9: 11,119,909 km (0.1 R)
• M10: 11,459,795 km (0.058 R)
• M11: 19,622,005 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 17.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 264.1

Radius: 6.6

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 15.74 AU - 18.3 AU

Year: 24565 Days

Day: 22.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,514,120 km

• M1: 118,332 km (0.111 R)
• M2: 496,815 km (0.076 R)
• M3: 843,882 km (0.115 R)
• M4: 1,184,217 km (0.106 R)
• M5: 2,259,526 km (0.062 R)
• M6: 3,373,881 km (0.109 R)
• M7: 6,794,735 km (0.078 R)
• M8: 7,682,748 km (0.089 R)
• M9: 12,078,233 km (0.098 R)
• M10: 14,479,877 km (0.058 R)
• M11: 14,836,967 km (0.077 R)
• M12: 17,341,834 km (0.111 R)
• M13: 19,939,302 km (0.105 R)
• M14: 21,653,245 km (0.112 R)
• M15: 23,955,855 km (0.096 R)
• M16: 27,598,713 km (0.083 R)
• M17: 29,153,932 km (0.105 R)
• M18: 34,801,252 km (0.054 R)
• M19: 37,011,112 km (0.074 R)
• M20: 55,678,233 km (0.087 R)

Kuiper Belt

Range: 31.4 - 61.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 243 - 11,183 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit