🌌 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: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.55 AU - 0.69 AU

Year: 177 Days

Day: 24.5 Hours

Environment

Temp: 149 °C

Axial Tilt: 146.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,267,653 km

• M1: 492,177 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.17

Radius: 1.36

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 0.66 AU - 0.74 AU

Year: 213 Days

Day: 16.8 Hours

Environment

Temp: 116 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.54

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.61 AU - 0.85 AU

Year: 227 Days

Day: 21.2 Hours

Environment

Temp: 202 °C

Axial Tilt: 33.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 84,267,653 km

• M1: 119,529 km (0.086 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.52

Radius: 0.77

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.19 AU - 1.31 AU

Year: 508 Days

Day: 42.4 Hours

Environment

Temp: 7 °C

Axial Tilt: 7.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 84,267,653 km

• M1: 17,952 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.05 AU - 1.63 AU

Year: 564 Days

Day: 47.9 Hours

Environment

Temp: -13 °C

Axial Tilt: 24.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 84,267,653 km

• M1: 278,551 km (0.054 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 2.02 AU - 2.44 AU

Year: 1210 Days

Day: 46.3 Hours

Environment

Temp: -66 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 84,267,653 km

• M1: 18,401 km (0.079 R)

Asteroid Belt

Center: 10.42 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 18.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.9

Radius: 3.1

Gravity: 45.57 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 15.61 AU - 21.59 AU

Year: 29154 Days

Day: 21.5 Hours

Environment

Temp: -206 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 84,267,653 km

• M1: 38,596 km (0.072 R)
• M2: 153,787 km (0.068 R)
• M3: 250,427 km (0.115 R)
• M4: 390,002 km (0.108 R)
• M5: 546,331 km (0.062 R)
• M6: 653,593 km (0.06 R)
• M7: 899,233 km (0.052 R)
• M8: 1,262,157 km (0.112 R)
• M9: 2,499,631 km (0.026 R)
• M10: 3,010,807 km (0.094 R)
• M11: 3,775,102 km (0.112 R)
• M12: 4,270,570 km (0.077 R)
• M13: 4,623,921 km (0.054 R)
• M14: 7,116,072 km (0.082 R)
• M15: 9,008,634 km (0.035 R)
• M16: 9,887,522 km (0.102 R)
• M17: 10,131,217 km (0.116 R)
• M18: 12,296,496 km (0.058 R)
• M19: 13,375,396 km (0.078 R)
• M20: 13,975,882 km (0.11 R)
• M21: 22,535,274 km (0.095 R)
• M22: 23,491,802 km (0.111 R)
• M23: 24,034,544 km (0.032 R)
• M24: 25,258,254 km (0.083 R)
• M25: 30,057,803 km (0.114 R)
• M26: 32,670,679 km (0.099 R)
• M27: 33,894,240 km (0.105 R)
• M28: 35,430,760 km (0.116 R)
• M29: 38,641,878 km (0.075 R)
• M30: 43,813,925 km (0.106 R)
• M31: 45,133,678 km (0.058 R)
• M32: 45,635,429 km (0.075 R)
• M33: 46,991,384 km (0.107 R)
• M34: 50,858,339 km (0.109 R)
• M35: 72,940,780 km (0.041 R)
• M36: 74,559,130 km (0.095 R)
• M37: 77,150,165 km (0.047 R)
• M38: 78,588,549 km (0.099 R)
• M39: 80,533,919 km (0.058 R)

Kuiper Belt

Range: 30.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 531 - 15,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit