🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.41 AU - 0.63 AU

Year: 163 Days

Day: 36.7 Hours

Environment

Temp: 25 °C

Axial Tilt: 8.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 40,375,052 km

• M1: 27,825 km (0.066 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.78 AU - 1.14 AU

Year: 408 Days

Day: 17.5 Hours

Environment

Temp: -62 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.86

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.21 AU - 1.63 AU

Year: 733 Days

Day: 38.5 Hours

Environment

Temp: -89 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.51 AU - 1.67 AU

Year: 869 Days

Day: 32.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.02 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.1

Radius: 11.9

Gravity: 0.36 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 5.47 AU - 7.41 AU

Year: 7084 Days

Day: 8.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 40,375,052 km

• M1: 153,188 km (0.057 R)
• M2: 992,432 km (0.049 R)
• M3: 1,557,463 km (0.113 R)
• M4: 2,567,099 km (0.115 R)
• M5: 3,579,578 km (0.096 R)
• M6: 4,470,882 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 731.6

Radius: 11.2

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.67 AU - 10.83 AU

Year: 11219 Days

Day: 10.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 40,375,052 km

• M1: 142,118 km (0.086 R)
• M2: 1,110,166 km (0.078 R)
• M3: 1,820,008 km (0.067 R)
• M4: 2,231,402 km (0.115 R)
• M5: 2,580,563 km (0.07 R)
• M6: 3,293,248 km (0.108 R)
• M7: 5,109,366 km (0.081 R)
• M8: 5,513,130 km (0.11 R)
• M9: 6,814,183 km (0.101 R)
• M10: 12,174,574 km (0.099 R)
• M11: 13,145,015 km (0.102 R)
• M12: 20,080,223 km (0.108 R)
• M13: 22,044,593 km (0.101 R)
• M14: 23,853,979 km (0.088 R)
• M15: 27,052,830 km (0.041 R)
• M16: 30,091,013 km (0.073 R)
• M17: 30,746,850 km (0.106 R)
• M18: 33,349,704 km (0.059 R)
• M19: 35,365,535 km (0.083 R)
• M20: 40,824,810 km (0.095 R)
• M21: 48,146,130 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 277

Radius: 9.5

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.02 AU - 10.66 AU

Year: 11393 Days

Day: 10.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 40,375,052 km

• M1: 118,631 km (0.115 R)
• M2: 528,529 km (0.05 R)
• M3: 937,380 km (0.111 R)
• M4: 1,417,141 km (0.111 R)
• M5: 1,946,717 km (0.101 R)
• M6: 2,659,850 km (0.091 R)
• M7: 3,291,153 km (0.112 R)
• M8: 3,821,478 km (0.06 R)
• M9: 4,223,297 km (0.086 R)
• M10: 4,570,365 km (0.071 R)
• M11: 5,201,518 km (0.09 R)
• M12: 5,824,593 km (0.096 R)
• M13: 6,566,449 km (0.101 R)
• M14: 7,408,236 km (0.092 R)
• M15: 7,756,500 km (0.095 R)
• M16: 9,040,947 km (0.094 R)
• M17: 9,848,925 km (0.056 R)
• M18: 11,099,863 km (0.094 R)
• M19: 11,973,215 km (0.063 R)
• M20: 12,399,719 km (0.06 R)
• M21: 12,781,343 km (0.091 R)
• M22: 17,443,411 km (0.084 R)
• M23: 21,841,888 km (0.116 R)
• M24: 24,721,946 km (0.094 R)
• M25: 29,550,965 km (0.096 R)
• M26: 30,232,383 km (0.114 R)
• M27: 31,626,635 km (0.112 R)
• M28: 37,975,719 km (0.079 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.2

Radius: 11.1

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.62 AU - 10.42 AU

Year: 12733 Days

Day: 7.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,375,052 km

• M1: 138,079 km (0.075 R)
• M2: 687,552 km (0.106 R)
• M3: 1,073,215 km (0.101 R)
• M4: 1,835,117 km (0.09 R)
• M5: 2,360,056 km (0.089 R)
• M6: 3,097,424 km (0.115 R)
• M7: 5,054,762 km (0.064 R)
• M8: 5,586,134 km (0.11 R)
• M9: 6,278,922 km (0.11 R)
• M10: 9,345,529 km (0.111 R)
• M11: 10,587,939 km (0.049 R)
• M12: 13,293,566 km (0.103 R)
• M13: 14,090,025 km (0.106 R)
• M14: 15,545,762 km (0.112 R)
• M15: 17,285,136 km (0.056 R)
• M16: 22,305,641 km (0.111 R)
• M17: 29,714,475 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.7

Radius: 7.8

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.96 AU - 11.28 AU

Year: 15002 Days

Day: 20.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 40,375,052 km

• M1: 98,136 km (0.085 R)
• M2: 379,829 km (0.075 R)
• M3: 635,641 km (0.092 R)
• M4: 1,836,763 km (0.056 R)
• M5: 2,319,066 km (0.113 R)
• M6: 2,655,961 km (0.05 R)
• M7: 3,402,604 km (0.077 R)
• M8: 4,958,421 km (0.063 R)
• M9: 5,930,508 km (0.071 R)
• M10: 7,596,281 km (0.068 R)
• M11: 10,932,762 km (0.057 R)
• M12: 11,580,371 km (0.035 R)
• M13: 11,944,343 km (0.113 R)
• M14: 13,744,304 km (0.078 R)
• M15: 15,352,332 km (0.078 R)
• M16: 16,314,845 km (0.118 R)
• M17: 17,553,964 km (0.061 R)
• M18: 18,441,378 km (0.1 R)
• M19: 20,044,170 km (0.107 R)
• M20: 20,657,521 km (0.045 R)
• M21: 22,198,978 km (0.045 R)
• M22: 23,718,294 km (0.111 R)
• M23: 26,125,473 km (0.085 R)
• M24: 30,376,895 km (0.072 R)
• M25: 38,182,313 km (0.063 R)
• M26: 44,806,357 km (0.097 R)
• M27: 49,253,753 km (0.104 R)
• M28: 50,369,753 km (0.061 R)
• M29: 50,853,103 km (0.079 R)
• M30: 55,343,732 km (0.108 R)
• M31: 58,657,774 km (0.097 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.3

Radius: 4.1

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 14.07 AU - 17.33 AU

Year: 26966 Days

Day: 23.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 40,375,052 km

• M1: 216,169 km (0.049 R)
• M2: 862,432 km (0.109 R)
• M3: 1,044,642 km (0.117 R)
• M4: 2,060,561 km (0.069 R)
• M5: 2,995,997 km (0.058 R)
• M6: 3,324,663 km (0.076 R)
• M7: 3,774,803 km (0.114 R)
• M8: 4,184,402 km (0.051 R)
• M9: 4,427,349 km (0.106 R)
• M10: 5,591,071 km (0.088 R)
• M11: 8,502,245 km (0.095 R)
• M12: 10,038,167 km (0.103 R)
• M13: 12,287,969 km (0.075 R)
• M14: 14,060,704 km (0.067 R)
• M15: 14,544,503 km (0.085 R)
• M16: 16,193,371 km (0.075 R)
• M17: 22,941,432 km (0.034 R)
• M18: 23,865,947 km (0.103 R)
• M19: 26,880,194 km (0.108 R)
• M20: 35,727,113 km (0.042 R)
• M21: 36,400,303 km (0.062 R)
• M22: 39,296,069 km (0.12 R)
• M23: 39,773,137 km (0.105 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 17,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit