🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.54 AU - 0.7 AU

Year: 183 Days

Day: 37.4 Hours

Environment

Temp: 191 °C

Axial Tilt: 25.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.6 AU - 0.76 AU

Year: 210 Days

Day: 45.6 Hours

Environment

Temp: 135 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.92

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.72 AU - 0.8 AU

Year: 248 Days

Day: 24.1 Hours

Environment

Temp: 119 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 248 Days

Day: 42.7 Hours

Environment

Temp: 157 °C

Axial Tilt: 71.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,078,524 km

• M1: 44,580 km (0.073 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.9 AU - 3.14 AU

Year: 1499 Days

Day: 35.3 Hours

Environment

Temp: -92 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,078,524 km

• M1: 565,480 km (0.074 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.18 AU - 3.56 AU

Year: 1822 Days

Day: 35.7 Hours

Environment

Temp: -107 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.8

Radius: 1.71

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.76 AU - 3.26 AU

Year: 1957 Days

Day: 18.5 Hours

Environment

Temp: -105 °C

Axial Tilt: 75 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 9.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.2

Radius: 14.3

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 8.59 AU - 10.43 AU

Year: 10990 Days

Day: 10.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 56,078,524 km

• M1: 178,620 km (0.106 R)
• M2: 1,010,085 km (0.095 R)
• M3: 1,779,467 km (0.113 R)
• M4: 2,336,420 km (0.029 R)
• M5: 2,963,683 km (0.086 R)
• M6: 4,144,459 km (0.12 R)
• M7: 5,871,118 km (0.088 R)
• M8: 6,916,807 km (0.114 R)
• M9: 8,128,999 km (0.06 R)
• M10: 8,980,211 km (0.113 R)
• M11: 10,584,797 km (0.082 R)
• M12: 13,244,348 km (0.075 R)
• M13: 14,969,661 km (0.106 R)
• M14: 16,691,382 km (0.107 R)
• M15: 18,303,299 km (0.094 R)
• M16: 20,610,996 km (0.043 R)
• M17: 21,657,134 km (0.099 R)
• M18: 23,479,087 km (0.054 R)
• M19: 24,140,309 km (0.101 R)
• M20: 27,426,226 km (0.064 R)
• M21: 27,948,921 km (0.056 R)
• M22: 30,662,627 km (0.096 R)
• M23: 33,074,294 km (0.09 R)
• M24: 39,986,015 km (0.109 R)
• M25: 47,054,065 km (0.037 R)
• M26: 49,326,756 km (0.101 R)
• M27: 53,763,380 km (0.088 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 337 - 17,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit