🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.61 AU - 0.89 AU

Year: 246 Days

Day: 43.6 Hours

Environment

Temp: 141 °C

Axial Tilt: 19.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.99 AU - 1.05 AU

Year: 390 Days

Day: 43.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,919,654 km

• M1: 192,682 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.86 AU - 1.2 AU

Year: 396 Days

Day: 25.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 30,919,654 km

• M1: 35,455 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.12 AU - 1.6 AU

Year: 601 Days

Day: 21.4 Hours

Environment

Temp: -33 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.45

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.41 AU - 1.43 AU

Year: 641 Days

Day: 20.1 Hours

Environment

Temp: -50 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,919,654 km

• M1: 33,360 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.5

Radius: 14.5

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 6.73 AU - 7.45 AU

Year: 7150 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,919,654 km

• M1: 180,415 km (0.113 R)
• M2: 725,550 km (0.096 R)
• M3: 1,507,498 km (0.039 R)
• M4: 2,040,066 km (0.102 R)
• M5: 2,525,511 km (0.11 R)
• M6: 4,449,489 km (0.055 R)
• M7: 5,252,531 km (0.078 R)
• M8: 6,121,844 km (0.104 R)
• M9: 7,244,576 km (0.095 R)
• M10: 10,422,633 km (0.11 R)
• M11: 11,052,141 km (0.108 R)
• M12: 13,433,290 km (0.064 R)
• M13: 14,692,306 km (0.104 R)
• M14: 17,386,265 km (0.082 R)
• M15: 18,333,069 km (0.09 R)
• M16: 19,564,858 km (0.081 R)
• M17: 20,265,425 km (0.065 R)
• M18: 23,734,600 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267

Radius: 11.5

Gravity: 2.02 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 6.51 AU - 9.15 AU

Year: 8298 Days

Day: 11.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 166.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,919,654 km

• M1: 143,016 km (0.065 R)
• M2: 557,850 km (0.115 R)
• M3: 1,209,349 km (0.099 R)
• M4: 2,068,789 km (0.111 R)
• M5: 3,317,931 km (0.116 R)
• M6: 4,130,248 km (0.098 R)
• M7: 5,291,426 km (0.08 R)
• M8: 6,496,138 km (0.113 R)
• M9: 6,992,204 km (0.087 R)
• M10: 10,790,195 km (0.104 R)
• M11: 18,580,654 km (0.027 R)
• M12: 26,446,959 km (0.118 R)
• M13: 28,493,458 km (0.109 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: 379 - 14,335 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit