🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.51 AU - 0.65 AU

Year: 199 Days

Day: 21.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 7.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,644,757 km

• M1: 179,817 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.71 AU - 0.79 AU

Year: 292 Days

Day: 14.4 Hours

Environment

Temp: -40 °C

Axial Tilt: 132.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,644,757 km

• M1: 383,868 km (0.113 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.9 AU - 0.92 AU

Year: 390 Days

Day: 13.6 Hours

Environment

Temp: -68 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,644,757 km

• M1: 164,857 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.18 AU - 1.9 AU

Year: 859 Days

Day: 28.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.8 AU - 2.6 AU

Year: 1467 Days

Day: 45.8 Hours

Environment

Temp: -125 °C

Axial Tilt: 28.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.8

Radius: 10.6

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.73 AU - 3.85 AU

Year: 2683 Days

Day: 9.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,644,757 km

• M1: 131,796 km (0.027 R)
• M2: 518,057 km (0.079 R)
• M3: 869,612 km (0.059 R)
• M4: 1,435,092 km (0.111 R)
• M5: 2,118,455 km (0.09 R)
• M6: 2,450,413 km (0.082 R)
• M7: 3,410,981 km (0.112 R)
• M8: 4,584,277 km (0.094 R)
• M9: 4,961,264 km (0.12 R)
• M10: 5,359,045 km (0.095 R)
• M11: 6,113,018 km (0.104 R)
• M12: 6,936,255 km (0.051 R)
• M13: 8,146,950 km (0.103 R)
• M14: 9,422,721 km (0.111 R)
• M15: 10,558,468 km (0.057 R)
• M16: 11,579,474 km (0.093 R)
• M17: 12,197,762 km (0.118 R)
• M18: 12,794,507 km (0.049 R)
• M19: 13,545,190 km (0.117 R)
• M20: 15,280,525 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 14.2

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 4.08 AU - 4.3 AU

Year: 3856 Days

Day: 11.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,644,757 km

• M1: 176,675 km (0.057 R)
• M2: 852,708 km (0.112 R)
• M3: 1,434,344 km (0.083 R)
• M4: 1,928,765 km (0.112 R)
• M5: 2,445,476 km (0.12 R)
• M6: 3,306,861 km (0.028 R)
• M7: 5,310,575 km (0.066 R)
• M8: 5,967,309 km (0.07 R)
• M9: 6,704,079 km (0.098 R)
• M10: 9,994,335 km (0.1 R)
• M11: 11,794,147 km (0.063 R)
• M12: 12,306,070 km (0.098 R)
• M13: 12,997,811 km (0.073 R)
• M14: 14,864,044 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.5

Radius: 13.1

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.24 AU - 9.86 AU

Year: 10269 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 160.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,644,757 km

• M1: 162,912 km (0.092 R)
• M2: 589,864 km (0.117 R)
• M3: 1,635,105 km (0.09 R)
• M4: 3,297,735 km (0.086 R)
• M5: 4,065,173 km (0.084 R)
• M6: 4,649,651 km (0.115 R)
• M7: 6,376,160 km (0.119 R)
• M8: 9,072,363 km (0.1 R)
• M9: 13,635,547 km (0.054 R)
• M10: 14,368,127 km (0.095 R)
• M11: 17,564,286 km (0.099 R)
• M12: 22,114,305 km (0.073 R)
• M13: 24,577,584 km (0.064 R)
• M14: 26,089,121 km (0.094 R)
• M15: 29,204,347 km (0.097 R)
• M16: 31,673,310 km (0.091 R)
• M17: 33,664,906 km (0.078 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.5

Radius: 3.7

Gravity: 43.28 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 8.06 AU - 10.52 AU

Year: 12730 Days

Day: 20.2 Hours

Environment

Temp: -199 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,644,757 km

• M1: 72,405 km (0.119 R)
• M2: 333,304 km (0.068 R)
• M3: 593,754 km (0.037 R)
• M4: 787,034 km (0.118 R)
• M5: 903,721 km (0.085 R)
• M6: 1,326,335 km (0.083 R)
• M7: 2,079,111 km (0.111 R)
• M8: 4,549,720 km (0.117 R)
• M9: 5,575,363 km (0.067 R)
• M10: 8,253,614 km (0.114 R)
• M11: 9,458,774 km (0.069 R)
• M12: 11,565,561 km (0.096 R)
• M13: 11,739,543 km (0.037 R)
• M14: 15,246,267 km (0.104 R)
• M15: 17,425,010 km (0.098 R)
• M16: 19,885,447 km (0.073 R)
• M17: 20,471,272 km (0.103 R)
• M18: 27,902,247 km (0.035 R)
• M19: 31,250,247 km (0.115 R)
• M20: 37,072,447 km (0.109 R)
• M21: 37,958,964 km (0.088 R)
• M22: 41,511,165 km (0.078 R)
• M23: 41,918,969 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 15,312 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit