🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.54 AU - 0.86 AU

Year: 216 Days

Day: 14.1 Hours

Environment

Temp: 158 °C

Axial Tilt: 44.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,478,554 km

• M1: 223,200 km (0.027 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.72 AU - 0.88 AU

Year: 264 Days

Day: 25.7 Hours

Environment

Temp: 86 °C

Axial Tilt: 30 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.48

Radius: 1.17

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.86 AU - 1 AU

Year: 331 Days

Day: 40.1 Hours

Environment

Temp: 29 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.11 AU - 1.59 AU

Year: 579 Days

Day: 35.4 Hours

Environment

Temp: -27 °C

Axial Tilt: 14 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,478,554 km

• M1: 789,278 km (0.115 R)

Asteroid Belt

Center: 4.96 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 8.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.4

Radius: 11.9

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.15 AU - 9.97 AU

Year: 9240 Days

Day: 13.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,478,554 km

• M1: 155,731 km (0.11 R)
• M2: 542,591 km (0.098 R)
• M3: 1,986,061 km (0.078 R)
• M4: 2,468,814 km (0.05 R)
• M5: 2,963,085 km (0.032 R)
• M6: 3,376,723 km (0.105 R)
• M7: 5,335,258 km (0.118 R)
• M8: 6,691,812 km (0.103 R)
• M9: 9,526,243 km (0.082 R)
• M10: 10,024,105 km (0.038 R)
• M11: 11,072,038 km (0.102 R)
• M12: 13,019,203 km (0.107 R)
• M13: 14,330,279 km (0.058 R)
• M14: 16,851,751 km (0.084 R)
• M15: 17,286,782 km (0.115 R)
• M16: 22,319,853 km (0.05 R)
• M17: 23,557,925 km (0.086 R)
• M18: 28,456,657 km (0.087 R)
• M19: 30,443,167 km (0.113 R)
• M20: 31,415,702 km (0.113 R)
• M21: 33,536,701 km (0.117 R)
• M22: 34,690,549 km (0.103 R)
• M23: 40,860,265 km (0.06 R)
• M24: 42,844,681 km (0.107 R)
• M25: 44,754,148 km (0.041 R)
• M26: 47,291,776 km (0.114 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 501 - 14,568 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit