🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.53 AU - 0.77 AU

Year: 227 Days

Day: 22.3 Hours

Environment

Temp: 22 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 22,210,653 km

• M1: 44,879 km (0.08 R)
• M2: 432,487 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.63 AU - 0.99 AU

Year: 316 Days

Day: 33.5 Hours

Environment

Temp: -35 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.27 AU - 1.35 AU

Year: 650 Days

Day: 37.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 22.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 22,210,653 km

• M1: 34,707 km (0.109 R)
• M2: 408,402 km (0.065 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.46 AU - 1.48 AU

Year: 773 Days

Day: 29.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 27.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,210,653 km

• M1: 71,957 km (0.112 R)

Asteroid Belt

Center: 2.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.98 AU - 4.22 AU

Year: 2961 Days

Day: 11.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 22,210,653 km

• M1: 173,085 km (0.119 R)
• M2: 640,877 km (0.111 R)
• M3: 1,271,881 km (0.109 R)
• M4: 2,065,049 km (0.073 R)
• M5: 2,816,928 km (0.047 R)
• M6: 3,745,482 km (0.116 R)
• M7: 4,456,820 km (0.038 R)
• M8: 5,665,720 km (0.07 R)
• M9: 7,174,714 km (0.088 R)
• M10: 7,907,444 km (0.112 R)
• M11: 8,343,372 km (0.116 R)
• M12: 11,860,867 km (0.109 R)
• M13: 14,609,429 km (0.036 R)
• M14: 17,250,878 km (0.111 R)
• M15: 18,333,518 km (0.113 R)
• M16: 19,521,475 km (0.092 R)
• M17: 20,134,377 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.4

Radius: 12.2

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.31 AU - 3.89 AU

Year: 2961 Days

Day: 8.6 Hours

Environment

Temp: -159 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 22,210,653 km

• M1: 151,692 km (0.114 R)
• M2: 534,962 km (0.063 R)
• M3: 1,073,365 km (0.099 R)
• M4: 1,751,193 km (0.04 R)
• M5: 2,135,210 km (0.107 R)
• M6: 2,560,966 km (0.12 R)
• M7: 3,147,240 km (0.09 R)
• M8: 5,460,023 km (0.088 R)
• M9: 6,668,175 km (0.048 R)
• M10: 7,525,072 km (0.115 R)
• M11: 8,803,685 km (0.103 R)
• M12: 11,152,072 km (0.084 R)
• M13: 12,628,454 km (0.072 R)
• M14: 13,555,661 km (0.043 R)
• M15: 14,379,198 km (0.04 R)
• M16: 15,030,996 km (0.094 R)
• M17: 15,441,941 km (0.09 R)
• M18: 18,415,049 km (0.061 R)
• M19: 19,607,195 km (0.056 R)
• M20: 20,409,039 km (0.072 R)
• M21: 21,104,669 km (0.106 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 17,653 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit