🌌 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: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.52 AU - 0.54 AU

Year: 143 Days

Day: 37.8 Hours

Environment

Temp: 248 °C

Axial Tilt: 87.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.74

Radius: 1.69

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.97 AU - 3.11 AU

Year: 1501 Days

Day: 47 Hours

Environment

Temp: -83 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.64 AU - 2.68 AU

Year: 1609 Days

Day: 17 Hours

Environment

Temp: -94 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.61 AU - 3.91 AU

Year: 2704 Days

Day: 37.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 13.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.3

Radius: 10.8

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.61 AU - 7.37 AU

Year: 6854 Days

Day: 6.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,623,780 km

• M1: 134,638 km (0.117 R)
• M2: 747,840 km (0.045 R)
• M3: 1,847,235 km (0.119 R)
• M4: 2,609,585 km (0.037 R)
• M5: 3,360,866 km (0.106 R)
• M6: 6,556,725 km (0.091 R)
• M7: 7,157,510 km (0.065 R)
• M8: 8,089,505 km (0.119 R)
• M9: 8,430,438 km (0.029 R)
• M10: 10,325,544 km (0.077 R)
• M11: 12,142,111 km (0.108 R)
• M12: 12,792,413 km (0.111 R)
• M13: 13,203,957 km (0.077 R)
• M14: 14,217,034 km (0.052 R)
• M15: 15,744,877 km (0.102 R)
• M16: 16,883,765 km (0.117 R)
• M17: 20,211,720 km (0.107 R)
• M18: 21,773,671 km (0.049 R)
• M19: 22,361,142 km (0.027 R)
• M20: 24,422,152 km (0.078 R)
• M21: 24,976,561 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 512 - 17,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit