🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.48 AU - 0.66 AU

Year: 156 Days

Day: 21.4 Hours

Environment

Temp: 245 °C

Axial Tilt: 35.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.58 AU - 0.66 AU

Year: 177 Days

Day: 34.5 Hours

Environment

Temp: 211 °C

Axial Tilt: 32.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.6 AU - 0.84 AU

Year: 221 Days

Day: 28.7 Hours

Environment

Temp: 118 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.86 AU - 1.06 AU

Year: 340 Days

Day: 40.1 Hours

Environment

Temp: 90 °C

Axial Tilt: 39.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 29,653,201 km

• M1: 106,813 km (0.034 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.98

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.03 AU - 2.69 AU

Year: 1311 Days

Day: 39.3 Hours

Environment

Temp: -86 °C

Axial Tilt: 44.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,653,201 km

• M1: 532,868 km (0.082 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.43 AU - 2.87 AU

Year: 1560 Days

Day: 27 Hours

Environment

Temp: -79 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 29,653,201 km

• M1: 633,697 km (0.104 R)

Asteroid Belt

Center: 4.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.3

Radius: 8.4

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.88 AU - 7.26 AU

Year: 5408 Days

Day: 10.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,653,201 km

• M1: 104,419 km (0.103 R)
• M2: 402,119 km (0.074 R)
• M3: 1,113,906 km (0.052 R)
• M4: 2,013,288 km (0.091 R)
• M5: 3,188,828 km (0.101 R)
• M6: 4,483,299 km (0.1 R)
• M7: 7,086,900 km (0.112 R)
• M8: 7,840,724 km (0.1 R)
• M9: 8,103,567 km (0.043 R)
• M10: 9,677,785 km (0.111 R)
• M11: 10,880,552 km (0.028 R)
• M12: 11,882,708 km (0.082 R)
• M13: 12,280,190 km (0.115 R)
• M14: 14,069,680 km (0.105 R)
• M15: 16,389,644 km (0.089 R)
• M16: 20,049,555 km (0.117 R)
• M17: 20,755,957 km (0.1 R)
• M18: 22,068,977 km (0.074 R)
• M19: 28,757,647 km (0.117 R)
• M20: 31,413,608 km (0.084 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 20.3

Radius: 6.3

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 14.46 AU - 22.1 AU

Year: 28265 Days

Day: 17.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,653,201 km

• M1: 245,191 km (0.112 R)
• M2: 1,650,513 km (0.103 R)
• M3: 3,188,230 km (0.089 R)
• M4: 6,924,137 km (0.11 R)
• M5: 9,173,940 km (0.108 R)
• M6: 15,621,608 km (0.096 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 14,219 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit