🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.41 AU - 0.65 AU

Year: 120 Days

Day: 33.6 Hours

Environment

Temp: 332 °C

Axial Tilt: 18.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.73 AU - 0.73 AU

Year: 194 Days

Day: 12.4 Hours

Environment

Temp: 289 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,071,548 km

• M1: 301,440 km (0.063 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.77 AU - 0.99 AU

Year: 257 Days

Day: 34.9 Hours

Environment

Temp: 202 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,071,548 km

• M1: 409,449 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.82 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.46 AU - 2.18 AU

Year: 763 Days

Day: 30.9 Hours

Environment

Temp: 19 °C

Axial Tilt: 7.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 2.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.85 AU - 2.69 AU

Year: 1063 Days

Day: 44.9 Hours

Environment

Temp: -6 °C

Axial Tilt: 31.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 39,071,548 km

• M1: 1,479,822 km (0.101 R)
• M2: 1,696,290 km (0.035 R)

Planet 6 - Terrestrial

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.67 AU - 8.31 AU

Year: 6373 Days

Day: 47.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 41.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 9.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.5

Radius: 10

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 8.23 AU - 13.03 AU

Year: 10776 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 39,071,548 km

• M1: 126,709 km (0.096 R)
• M2: 562,039 km (0.1 R)
• M3: 1,124,228 km (0.119 R)
• M4: 1,614,909 km (0.034 R)
• M5: 2,364,245 km (0.046 R)
• M6: 2,887,987 km (0.098 R)
• M7: 3,673,376 km (0.111 R)
• M8: 4,245,887 km (0.071 R)
• M9: 4,762,747 km (0.092 R)
• M10: 6,463,825 km (0.093 R)
• M11: 14,063,995 km (0.082 R)
• M12: 14,661,339 km (0.112 R)
• M13: 16,886,009 km (0.084 R)
• M14: 18,253,633 km (0.115 R)
• M15: 19,036,628 km (0.097 R)
• M16: 20,140,212 km (0.096 R)
• M17: 23,291,042 km (0.112 R)
• M18: 26,847,133 km (0.101 R)
• M19: 28,706,635 km (0.07 R)
• M20: 29,570,712 km (0.097 R)
• M21: 35,670,415 km (0.108 R)
• M22: 38,144,315 km (0.048 R)
• M23: 38,954,837 km (0.084 R)

Kuiper Belt

Range: 35.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 323 - 18,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit