🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.77 AU - 0.83 AU

Year: 304 Days

Day: 42.2 Hours

Environment

Temp: -12 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 33,965,133 km

• M1: 425,456 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.94 AU - 1.12 AU

Year: 444 Days

Day: 13.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 31.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.17

Radius: 1.06

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.11 AU - 1.21 AU

Year: 530 Days

Day: 28.8 Hours

Environment

Temp: -67 °C

Axial Tilt: 22.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 33,965,133 km

• M1: 621,579 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 2.3 AU - 2.64 AU

Year: 1648 Days

Day: 30.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 35.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.7

Radius: 13.1

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 3.86 AU - 4.12 AU

Year: 3384 Days

Day: 14.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 33,965,133 km

• M1: 163,211 km (0.117 R)
• M2: 571,015 km (0.117 R)
• M3: 989,889 km (0.096 R)
• M4: 2,011,343 km (0.099 R)
• M5: 4,254,863 km (0.072 R)
• M6: 5,626,825 km (0.102 R)
• M7: 6,980,386 km (0.119 R)
• M8: 10,903,291 km (0.1 R)
• M9: 11,793,399 km (0.055 R)
• M10: 15,096,819 km (0.053 R)
• M11: 16,565,421 km (0.055 R)
• M12: 17,307,726 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 14.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 5.22 AU - 6.56 AU

Year: 6069 Days

Day: 15 Hours

Environment

Temp: -172 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 33,965,133 km

• M1: 182,809 km (0.115 R)
• M2: 1,085,781 km (0.064 R)
• M3: 1,618,799 km (0.11 R)
• M4: 2,140,895 km (0.113 R)
• M5: 2,925,386 km (0.043 R)
• M6: 3,895,529 km (0.091 R)
• M7: 6,147,425 km (0.109 R)
• M8: 8,195,121 km (0.099 R)
• M9: 9,546,139 km (0.092 R)
• M10: 10,162,333 km (0.082 R)
• M11: 11,523,674 km (0.066 R)
• M12: 12,325,069 km (0.108 R)
• M13: 13,378,837 km (0.106 R)
• M14: 13,872,211 km (0.032 R)
• M15: 17,285,436 km (0.1 R)
• M16: 19,921,051 km (0.064 R)
• M17: 20,710,479 km (0.055 R)
• M18: 22,047,285 km (0.077 R)
• M19: 29,884,867 km (0.062 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 400 - 11,112 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit