🌌 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: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.73 AU - 0.83 AU

Year: 250 Days

Day: 24 Hours

Environment

Temp: 169 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.93 AU - 2.71 AU

Year: 1284 Days

Day: 32.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 28.3 °

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: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.02 AU - 3.3 AU

Year: 1577 Days

Day: 45.2 Hours

Environment

Temp: -98 °C

Axial Tilt: 3.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,858,379 km

• M1: 1,063,641 km (0.093 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.8

Radius: 9.5

Gravity: 6.13 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 4.37 AU - 5.59 AU

Year: 4039 Days

Day: 8.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 55,858,379 km

• M1: 118,482 km (0.099 R)
• M2: 425,157 km (0.104 R)
• M3: 779,854 km (0.101 R)
• M4: 1,185,563 km (0.037 R)
• M5: 1,568,683 km (0.108 R)
• M6: 2,256,534 km (0.075 R)
• M7: 2,718,792 km (0.068 R)
• M8: 3,356,079 km (0.046 R)
• M9: 4,155,380 km (0.108 R)
• M10: 4,588,466 km (0.077 R)
• M11: 5,385,823 km (0.069 R)
• M12: 6,751,502 km (0.099 R)
• M13: 7,318,926 km (0.103 R)
• M14: 7,883,658 km (0.084 R)
• M15: 8,370,300 km (0.111 R)
• M16: 8,840,037 km (0.057 R)
• M17: 9,289,130 km (0.116 R)
• M18: 10,396,454 km (0.054 R)
• M19: 11,946,437 km (0.052 R)
• M20: 14,603,744 km (0.048 R)
• M21: 15,073,182 km (0.046 R)
• M22: 15,445,232 km (0.064 R)
• M23: 15,878,019 km (0.111 R)
• M24: 16,318,884 km (0.106 R)
• M25: 16,995,365 km (0.114 R)
• M26: 17,690,397 km (0.071 R)
• M27: 20,273,204 km (0.116 R)
• M28: 22,678,588 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711

Radius: 13.8

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 9.64 AU - 11.34 AU

Year: 12348 Days

Day: 5.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,858,379 km

• M1: 177,423 km (0.099 R)
• M2: 694,733 km (0.115 R)
• M3: 1,139,188 km (0.025 R)
• M4: 1,690,306 km (0.101 R)
• M5: 3,735,608 km (0.061 R)
• M6: 4,180,512 km (0.101 R)
• M7: 4,818,847 km (0.063 R)
• M8: 10,162,183 km (0.048 R)
• M9: 13,767,043 km (0.031 R)
• M10: 15,748,617 km (0.085 R)
• M11: 17,527,335 km (0.113 R)
• M12: 31,440,536 km (0.116 R)
• M13: 39,033,376 km (0.102 R)
• M14: 40,094,473 km (0.056 R)
• M15: 40,632,128 km (0.071 R)
• M16: 44,245,066 km (0.093 R)
• M17: 51,785,397 km (0.113 R)
• M18: 52,744,170 km (0.1 R)

Kuiper Belt

Range: 30.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 288 - 14,910 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit