🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.53 AU - 0.65 AU

Year: 171 Days

Day: 41.6 Hours

Environment

Temp: 151 °C

Axial Tilt: 27.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.67

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.24 AU - 1.4 AU

Year: 571 Days

Day: 16 Hours

Environment

Temp: -28 °C

Axial Tilt: 27 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,121,358 km

• M1: 97,837 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.12 AU - 1.76 AU

Year: 651 Days

Day: 16.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 129.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 41,121,358 km

• M1: 117,584 km (0.028 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.47 AU - 2.07 AU

Year: 887 Days

Day: 37.8 Hours

Environment

Temp: -69 °C

Axial Tilt: 29.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 41,121,358 km

• M1: 427,401 km (0.065 R)
• M2: 1,210,845 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 13.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 132.2

Radius: 4.6

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 10.13 AU - 16.29 AU

Year: 18088 Days

Day: 23.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 41,121,358 km

• M1: 57,296 km (0.054 R)
• M2: 245,041 km (0.113 R)
• M3: 624,870 km (0.112 R)
• M4: 1,365,380 km (0.104 R)
• M5: 2,205,372 km (0.093 R)
• M6: 3,299,381 km (0.111 R)
• M7: 3,874,585 km (0.115 R)
• M8: 4,054,252 km (0.078 R)
• M9: 5,252,082 km (0.112 R)
• M10: 6,416,103 km (0.052 R)
• M11: 7,191,768 km (0.09 R)
• M12: 7,542,575 km (0.071 R)
• M13: 7,863,911 km (0.098 R)
• M14: 8,577,044 km (0.101 R)
• M15: 9,286,587 km (0.093 R)
• M16: 11,025,064 km (0.112 R)
• M17: 12,297,543 km (0.098 R)
• M18: 12,686,348 km (0.06 R)
• M19: 13,026,085 km (0.112 R)
• M20: 14,142,235 km (0.054 R)
• M21: 21,399,078 km (0.06 R)
• M22: 21,638,734 km (0.115 R)
• M23: 23,199,339 km (0.107 R)
• M24: 30,900,039 km (0.037 R)
• M25: 32,768,815 km (0.117 R)
• M26: 36,388,186 km (0.112 R)
• M27: 38,943,617 km (0.079 R)
• M28: 40,630,482 km (0.082 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 20,516 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit