🌌 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: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.72 AU - 0.76 AU

Year: 229 Days

Day: 23.2 Hours

Environment

Temp: 187 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,689,757 km

• M1: 96,640 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.84 AU - 1.1 AU

Year: 344 Days

Day: 40.7 Hours

Environment

Temp: 132 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,689,757 km

• M1: 880,533 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.91

Radius: 0.96

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.87 AU - 1.29 AU

Year: 404 Days

Day: 14.9 Hours

Environment

Temp: 27 °C

Axial Tilt: 6.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 53,689,757 km

• M1: 343,626 km (0.045 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.26 AU - 1.82 AU

Year: 688 Days

Day: 47.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 717.1

Radius: 9.8

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 10.07 AU - 10.17 AU

Year: 11586 Days

Day: 7.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,689,757 km

• M1: 121,922 km (0.056 R)
• M2: 646,861 km (0.117 R)
• M3: 1,994,888 km (0.07 R)
• M4: 3,759,993 km (0.076 R)
• M5: 4,321,733 km (0.104 R)
• M6: 4,906,212 km (0.07 R)
• M7: 5,612,763 km (0.105 R)
• M8: 8,278,896 km (0.111 R)
• M9: 8,650,946 km (0.097 R)
• M10: 11,123,649 km (0.096 R)
• M11: 12,221,099 km (0.119 R)
• M12: 12,950,538 km (0.114 R)
• M13: 14,296,470 km (0.098 R)
• M14: 14,765,160 km (0.1 R)
• M15: 15,804,117 km (0.077 R)
• M16: 16,305,420 km (0.032 R)
• M17: 18,732,945 km (0.113 R)
• M18: 20,789,915 km (0.103 R)
• M19: 27,651,670 km (0.049 R)
• M20: 31,871,826 km (0.071 R)
• M21: 34,075,403 km (0.076 R)
• M22: 36,008,207 km (0.069 R)
• M23: 36,751,410 km (0.086 R)
• M24: 39,695,795 km (0.101 R)
• M25: 44,048,943 km (0.038 R)
• M26: 45,904,705 km (0.096 R)

Kuiper Belt

Range: 30.5 - 51.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 13,151 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit