🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.4 AU - 0.62 AU

Year: 140 Days

Day: 42.3 Hours

Environment

Temp: 219 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 26,020,544 km

• M1: 25,432 km (0.075 R)
• M2: 52,210 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.72 AU - 0.74 AU

Year: 240 Days

Day: 20.6 Hours

Environment

Temp: 156 °C

Axial Tilt: 38.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.72 AU - 1.12 AU

Year: 340 Days

Day: 33.8 Hours

Environment

Temp: 31 °C

Axial Tilt: 24.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.96 AU - 1.08 AU

Year: 397 Days

Day: 26.9 Hours

Environment

Temp: -5 °C

Axial Tilt: 160.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 26,020,544 km

• M1: 53,855 km (0.067 R)
• M2: 105,317 km (0.091 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.23 AU - 1.37 AU

Year: 571 Days

Day: 20.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.2 AU - 1.86 AU

Year: 729 Days

Day: 15.8 Hours

Environment

Temp: -53 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.96 AU - 2.18 AU

Year: 1147 Days

Day: 21.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 21.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.9

Radius: 14.7

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 5.2 AU - 6.28 AU

Year: 5295 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 26,020,544 km

• M1: 184,005 km (0.082 R)
• M2: 793,617 km (0.108 R)
• M3: 1,271,731 km (0.1 R)
• M4: 1,811,780 km (0.055 R)
• M5: 2,368,733 km (0.094 R)
• M6: 3,204,087 km (0.082 R)
• M7: 3,670,982 km (0.1 R)
• M8: 4,228,833 km (0.038 R)
• M9: 5,462,417 km (0.111 R)
• M10: 6,222,224 km (0.096 R)
• M11: 7,919,113 km (0.086 R)
• M12: 9,469,545 km (0.095 R)
• M13: 11,841,270 km (0.083 R)
• M14: 12,633,839 km (0.081 R)
• M15: 13,116,293 km (0.101 R)
• M16: 13,914,098 km (0.086 R)
• M17: 15,994,406 km (0.075 R)
• M18: 17,255,815 km (0.116 R)
• M19: 22,195,836 km (0.069 R)
• M20: 23,983,680 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 353 - 16,273 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit