🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.55 AU - 0.91 AU

Year: 226 Days

Day: 34.9 Hours

Environment

Temp: 198 °C

Axial Tilt: 14.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.76

Radius: 1.25

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.81 AU - 1.15 AU

Year: 351 Days

Day: 45.6 Hours

Environment

Temp: 119 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,252,855 km

• M1: 71,957 km (0.094 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.85 AU - 1.23 AU

Year: 384 Days

Day: 14.6 Hours

Environment

Temp: 38 °C

Axial Tilt: 17.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.31 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 1.12 AU - 1.5 AU

Year: 542 Days

Day: 26.7 Hours

Environment

Temp: 3 °C

Axial Tilt: 5.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 29,252,855 km

• M1: 25,132 km (0.075 R)
• M2: 121,174 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.48 AU - 2.34 AU

Year: 955 Days

Day: 35.9 Hours

Environment

Temp: -49 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,252,855 km

• M1: 530,474 km (0.056 R)

Asteroid Belt

Center: 3.62 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786.2

Radius: 14.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.76 AU - 5.9 AU

Year: 4450 Days

Day: 5.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,252,855 km

• M1: 184,005 km (0.078 R)
• M2: 801,845 km (0.108 R)
• M3: 1,276,967 km (0.08 R)
• M4: 2,129,376 km (0.103 R)
• M5: 3,645,999 km (0.09 R)
• M6: 5,343,935 km (0.079 R)
• M7: 6,621,202 km (0.063 R)
• M8: 8,966,148 km (0.071 R)
• M9: 10,676,202 km (0.054 R)
• M10: 14,570,533 km (0.112 R)
• M11: 15,348,143 km (0.092 R)
• M12: 17,474,826 km (0.089 R)
• M13: 19,325,951 km (0.085 R)
• M14: 20,884,611 km (0.066 R)
• M15: 22,893,411 km (0.114 R)
• M16: 27,209,758 km (0.054 R)

Kuiper Belt

Range: 30.3 - 52.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 352 - 14,889 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit