🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.72 AU - 0.82 AU

Year: 240 Days

Day: 39.1 Hours

Environment

Temp: 111 °C

Axial Tilt: 12.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.08 AU - 1.16 AU

Year: 420 Days

Day: 13.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 19.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.98 AU - 1.48 AU

Year: 484 Days

Day: 46.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 0.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 34,426,690 km

• M1: 36,951 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.7 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.62 AU - 1.78 AU

Year: 786 Days

Day: 45 Hours

Environment

Temp: -39 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.57 AU - 2.67 AU

Year: 1504 Days

Day: 46.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 11.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.22 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.3

Radius: 9.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 6.7 AU - 8.92 AU

Year: 7743 Days

Day: 9.5 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 34,426,690 km

• M1: 125,213 km (0.12 R)
• M2: 503,546 km (0.076 R)
• M3: 828,772 km (0.038 R)
• M4: 1,750,445 km (0.087 R)
• M5: 2,302,162 km (0.099 R)
• M6: 2,850,438 km (0.026 R)
• M7: 3,207,528 km (0.115 R)
• M8: 4,183,654 km (0.101 R)
• M9: 6,990,708 km (0.107 R)
• M10: 7,495,751 km (0.054 R)
• M11: 8,457,815 km (0.087 R)
• M12: 9,543,746 km (0.078 R)
• M13: 11,148,931 km (0.097 R)
• M14: 13,688,355 km (0.091 R)
• M15: 15,003,918 km (0.101 R)
• M16: 15,601,562 km (0.081 R)
• M17: 16,029,113 km (0.092 R)
• M18: 16,401,911 km (0.063 R)
• M19: 17,036,056 km (0.112 R)
• M20: 18,693,152 km (0.117 R)
• M21: 19,037,077 km (0.116 R)
• M22: 20,893,736 km (0.104 R)
• M23: 23,420,444 km (0.103 R)
• M24: 23,820,319 km (0.11 R)
• M25: 24,306,064 km (0.087 R)
• M26: 28,980,399 km (0.072 R)
• M27: 29,720,310 km (0.113 R)
• M28: 30,094,903 km (0.098 R)
• M29: 31,141,490 km (0.091 R)
• M30: 32,409,332 km (0.106 R)
• M31: 34,016,761 km (0.115 R)

Kuiper Belt

Range: 30.9 - 47.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 18,598 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit