🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.42 AU - 0.6 AU

Year: 138 Days

Day: 28.1 Hours

Environment

Temp: 201 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.53

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.62 AU - 0.64 AU

Year: 189 Days

Day: 27.5 Hours

Environment

Temp: 174 °C

Axial Tilt: 6.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,928,751 km

• M1: 124,615 km (0.077 R)
• M2: 510,428 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.27 AU - 1.67 AU

Year: 675 Days

Day: 16.6 Hours

Environment

Temp: -41 °C

Axial Tilt: 31.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.57

Radius: 1.66

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.92 AU - 2.4 AU

Year: 1202 Days

Day: 36.8 Hours

Environment

Temp: -81 °C

Axial Tilt: 0.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 3.17 AU - 3.41 AU

Year: 2260 Days

Day: 20.6 Hours

Environment

Temp: -120 °C

Axial Tilt: 28.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 431.5

Radius: 8.3

Gravity: 6.26 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 5.77 AU - 8.01 AU

Year: 6850 Days

Day: 14.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 31,928,751 km

• M1: 103,372 km (0.059 R)
• M2: 381,475 km (0.087 R)
• M3: 895,642 km (0.111 R)
• M4: 1,195,736 km (0.078 R)
• M5: 1,563,447 km (0.087 R)
• M6: 2,049,790 km (0.116 R)
• M7: 2,361,552 km (0.065 R)
• M8: 2,633,521 km (0.083 R)
• M9: 3,120,911 km (0.117 R)
• M10: 4,105,265 km (0.113 R)
• M11: 4,450,237 km (0.075 R)
• M12: 4,976,672 km (0.091 R)
• M13: 5,843,293 km (0.075 R)
• M14: 6,344,894 km (0.088 R)
• M15: 7,362,609 km (0.088 R)
• M16: 7,651,482 km (0.077 R)
• M17: 9,294,516 km (0.079 R)
• M18: 9,718,027 km (0.102 R)
• M19: 11,066,203 km (0.077 R)
• M20: 12,534,806 km (0.059 R)
• M21: 13,475,926 km (0.094 R)
• M22: 16,581,877 km (0.086 R)
• M23: 17,268,381 km (0.107 R)
• M24: 19,033,786 km (0.11 R)
• M25: 19,717,149 km (0.057 R)
• M26: 20,134,976 km (0.091 R)
• M27: 22,463,766 km (0.083 R)
• M28: 28,084,756 km (0.063 R)
• M29: 29,601,080 km (0.065 R)
• M30: 30,610,716 km (0.041 R)
• M31: 31,077,162 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 17,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit