🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.72 AU - 1.14 AU

Year: 334 Days

Day: 31.7 Hours

Environment

Temp: 23 °C

Axial Tilt: 21.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.21 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.25

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.07 AU - 1.35 AU

Year: 496 Days

Day: 37.1 Hours

Environment

Temp: -14 °C

Axial Tilt: 0.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.63

Radius: 1.47

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.38 AU - 2.9 AU

Year: 1599 Days

Day: 46.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 7.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,251,743 km

• M1: 771,476 km (0.099 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.76

Radius: 0.9

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.98 AU - 3.66 AU

Year: 2255 Days

Day: 27.8 Hours

Environment

Temp: -123 °C

Axial Tilt: 92.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.69 AU - 4.27 AU

Year: 2420 Days

Day: 16.4 Hours

Environment

Temp: -115 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 8.5

Gravity: 5.95 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 4.2 AU - 5.52 AU

Year: 3994 Days

Day: 12.9 Hours

Environment

Temp: -137 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 22,251,743 km

• M1: 108,159 km (0.11 R)
• M2: 431,440 km (0.089 R)
• M3: 721,810 km (0.079 R)
• M4: 999,314 km (0.119 R)
• M5: 1,301,801 km (0.115 R)
• M6: 2,261,321 km (0.073 R)
• M7: 2,585,650 km (0.08 R)
• M8: 3,347,103 km (0.11 R)
• M9: 3,710,476 km (0.095 R)
• M10: 4,404,311 km (0.111 R)
• M11: 7,799,883 km (0.077 R)
• M12: 8,371,646 km (0.112 R)
• M13: 8,756,412 km (0.035 R)
• M14: 12,722,850 km (0.044 R)
• M15: 13,184,958 km (0.103 R)
• M16: 14,389,221 km (0.109 R)
• M17: 14,688,865 km (0.06 R)
• M18: 14,992,699 km (0.03 R)
• M19: 17,747,244 km (0.071 R)
• M20: 21,659,229 km (0.094 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 16,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit