🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.61 AU

Year: 159 Days

Day: 13.3 Hours

Environment

Temp: 200 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.65 AU - 0.79 AU

Year: 225 Days

Day: 41 Hours

Environment

Temp: 126 °C

Axial Tilt: 1.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.73 AU - 1.01 AU

Year: 299 Days

Day: 33 Hours

Environment

Temp: 141 °C

Axial Tilt: 1.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 22,879,246 km

• M1: 146,157 km (0.077 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.29 AU - 1.43 AU

Year: 585 Days

Day: 18.8 Hours

Environment

Temp: -26 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.46

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.43 AU - 2.89 AU

Year: 1601 Days

Day: 46.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,879,246 km

• M1: 39,045 km (0.037 R)
• M2: 424,559 km (0.061 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.64 AU - 3.62 AU

Year: 2043 Days

Day: 31.8 Hours

Environment

Temp: -114 °C

Axial Tilt: 13 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.06 AU - 5.16 AU

Year: 3652 Days

Day: 43.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 303.4

Radius: 11.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 4.27 AU - 7.03 AU

Year: 4955 Days

Day: 13.3 Hours

Environment

Temp: -151 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,879,246 km

• M1: 142,417 km (0.096 R)
• M2: 623,823 km (0.091 R)
• M3: 1,264,551 km (0.038 R)
• M4: 1,617,751 km (0.038 R)
• M5: 2,090,780 km (0.068 R)
• M6: 4,133,838 km (0.112 R)
• M7: 4,858,191 km (0.095 R)
• M8: 5,962,672 km (0.103 R)
• M9: 6,918,453 km (0.076 R)
• M10: 7,873,186 km (0.113 R)
• M11: 8,348,010 km (0.073 R)
• M12: 10,521,517 km (0.109 R)
• M13: 11,098,068 km (0.079 R)
• M14: 13,331,115 km (0.065 R)
• M15: 13,762,705 km (0.075 R)
• M16: 16,442,302 km (0.08 R)
• M17: 16,994,917 km (0.065 R)
• M18: 19,636,067 km (0.072 R)
• M19: 20,195,413 km (0.061 R)
• M20: 22,607,529 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 443 - 15,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit