🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.5 AU - 0.64 AU

Year: 183 Days

Day: 46 Hours

Environment

Temp: 24 °C

Axial Tilt: 47.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.67

Radius: 1.23

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.59 AU - 0.91 AU

Year: 276 Days

Day: 44 Hours

Environment

Temp: 4 °C

Axial Tilt: 44.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.95 AU - 1.11 AU

Year: 444 Days

Day: 15.8 Hours

Environment

Temp: -55 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 64,570,359 km

• M1: 24,684 km (0.072 R)
• M2: 392,545 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.47

Radius: 0.74

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.87 AU - 2.43 AU

Year: 1339 Days

Day: 27.7 Hours

Environment

Temp: -116 °C

Axial Tilt: 45.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,570,359 km

• M1: 207,492 km (0.116 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.36

Radius: 0.66

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.02 AU - 2.5 AU

Year: 1443 Days

Day: 20.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 400.2

Radius: 6.1

Gravity: 10.76 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 10.61 AU - 15.87 AU

Year: 20455 Days

Day: 23 Hours

Environment

Temp: -210 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,570,359 km

• M1: 75,996 km (0.113 R)
• M2: 289,173 km (0.028 R)
• M3: 623,374 km (0.093 R)
• M4: 1,071,570 km (0.091 R)
• M5: 1,506,899 km (0.113 R)
• M6: 1,731,595 km (0.094 R)
• M7: 1,960,330 km (0.099 R)
• M8: 3,316,286 km (0.085 R)
• M9: 3,872,191 km (0.1 R)
• M10: 6,518,727 km (0.119 R)
• M11: 8,137,675 km (0.037 R)
• M12: 8,988,289 km (0.025 R)
• M13: 11,957,059 km (0.079 R)
• M14: 16,356,582 km (0.11 R)
• M15: 16,589,506 km (0.117 R)
• M16: 18,282,655 km (0.115 R)
• M17: 19,214,051 km (0.113 R)
• M18: 23,256,784 km (0.097 R)
• M19: 26,210,594 km (0.075 R)
• M20: 28,053,490 km (0.068 R)
• M21: 31,513,240 km (0.112 R)
• M22: 33,345,365 km (0.101 R)
• M23: 33,720,108 km (0.108 R)
• M24: 34,477,971 km (0.098 R)
• M25: 37,623,416 km (0.095 R)
• M26: 47,406,518 km (0.1 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 373 - 20,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit