🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.48 AU - 0.78 AU

Year: 182 Days

Day: 28.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 109.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1 AU - 1.08 AU

Year: 385 Days

Day: 20.1 Hours

Environment

Temp: 31 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.08

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.43 AU - 1.89 AU

Year: 777 Days

Day: 35.1 Hours

Environment

Temp: -40 °C

Axial Tilt: 34 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 81,032,233 km

• M1: 41,738 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.64

Radius: 0.84

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.51 AU - 3.93 AU

Year: 2100 Days

Day: 22.6 Hours

Environment

Temp: -110 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.97 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 3.9 AU - 5.52 AU

Year: 3715 Days

Day: 28.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 446.8

Radius: 9.6

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.94 AU - 5.38 AU

Year: 4260 Days

Day: 5 Hours

Environment

Temp: -149 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,032,233 km

• M1: 120,127 km (0.106 R)
• M2: 521,498 km (0.07 R)
• M3: 823,686 km (0.112 R)
• M4: 1,414,448 km (0.109 R)
• M5: 1,955,244 km (0.107 R)
• M6: 2,267,305 km (0.09 R)
• M7: 2,644,741 km (0.11 R)
• M8: 3,546,517 km (0.062 R)
• M9: 4,759,307 km (0.052 R)
• M10: 6,759,879 km (0.062 R)
• M11: 8,535,456 km (0.102 R)
• M12: 10,156,648 km (0.09 R)
• M13: 13,898,839 km (0.063 R)
• M14: 15,967,778 km (0.118 R)
• M15: 17,590,615 km (0.092 R)
• M16: 19,259,080 km (0.042 R)
• M17: 22,292,925 km (0.09 R)
• M18: 22,633,410 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 734.2

Radius: 9.3

Gravity: 8.49 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 6.98 AU - 10.34 AU

Year: 9262 Days

Day: 10.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 45.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,032,233 km

• M1: 115,789 km (0.083 R)
• M2: 405,261 km (0.057 R)
• M3: 758,461 km (0.061 R)
• M4: 1,527,693 km (0.071 R)
• M5: 1,817,016 km (0.115 R)
• M6: 2,470,758 km (0.106 R)
• M7: 3,091,290 km (0.118 R)
• M8: 5,997,528 km (0.109 R)
• M9: 7,037,533 km (0.114 R)
• M10: 7,642,058 km (0.072 R)
• M11: 10,930,668 km (0.064 R)
• M12: 15,125,392 km (0.07 R)
• M13: 18,128,569 km (0.117 R)
• M14: 21,012,816 km (0.044 R)
• M15: 24,189,527 km (0.097 R)
• M16: 24,916,273 km (0.045 R)
• M17: 25,285,032 km (0.119 R)
• M18: 25,657,531 km (0.09 R)
• M19: 28,668,936 km (0.089 R)
• M20: 30,837,955 km (0.103 R)
• M21: 31,263,262 km (0.067 R)
• M22: 33,672,237 km (0.072 R)
• M23: 35,383,936 km (0.105 R)
• M24: 37,513,760 km (0.104 R)
• M25: 38,980,119 km (0.057 R)
• M26: 42,026,979 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 416.3

Radius: 4.9

Gravity: 17.34 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 14.08 AU - 22.3 AU

Year: 28195 Days

Day: 20.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,032,233 km

• M1: 61,036 km (0.089 R)
• M2: 278,402 km (0.114 R)
• M3: 598,990 km (0.032 R)
• M4: 983,307 km (0.082 R)
• M5: 1,222,813 km (0.052 R)
• M6: 1,467,705 km (0.048 R)
• M7: 2,714,154 km (0.085 R)
• M8: 2,970,864 km (0.106 R)
• M9: 4,129,200 km (0.086 R)
• M10: 5,974,640 km (0.056 R)
• M11: 6,864,747 km (0.093 R)
• M12: 7,839,976 km (0.095 R)
• M13: 10,243,265 km (0.086 R)
• M14: 11,120,807 km (0.063 R)
• M15: 11,380,658 km (0.116 R)
• M16: 12,740,353 km (0.084 R)
• M17: 18,621,195 km (0.116 R)
• M18: 24,088,399 km (0.079 R)
• M19: 27,009,148 km (0.087 R)
• M20: 41,208,080 km (0.103 R)
• M21: 42,774,370 km (0.11 R)
• M22: 52,285,204 km (0.06 R)
• M23: 52,466,816 km (0.081 R)
• M24: 56,186,567 km (0.102 R)
• M25: 58,110,694 km (0.11 R)
• M26: 72,147,762 km (0.077 R)

Kuiper Belt

Range: 30.2 - 56.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 13,084 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit