🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.53 AU - 0.69 AU

Year: 183 Days

Day: 27.4 Hours

Environment

Temp: 129 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.72 AU - 1.82 AU

Year: 907 Days

Day: 18.4 Hours

Environment

Temp: -69 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.56

Radius: 1.19

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.74 AU - 2.04 AU

Year: 1000 Days

Day: 15.6 Hours

Environment

Temp: -84 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 17,775,253 km

• M1: 722,109 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 89.9

Radius: 13

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.28 AU - 7.52 AU

Year: 6234 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 17,775,253 km

• M1: 262,544 km (0.05 R)
• M2: 598,092 km (0.039 R)
• M3: 1,184,965 km (0.089 R)
• M4: 1,506,750 km (0.071 R)
• M5: 1,881,044 km (0.088 R)
• M6: 1,966,763 km (0.092 R)
• M7: 2,066,695 km (0.059 R)
• M8: 2,376,661 km (0.049 R)
• M9: 2,550,943 km (0.109 R)
• M10: 2,955,156 km (0.112 R)
• M11: 3,808,762 km (0.101 R)
• M12: 4,109,753 km (0.099 R)
• M13: 4,271,318 km (0.093 R)
• M14: 4,600,883 km (0.115 R)
• M15: 4,785,785 km (0.102 R)
• M16: 4,887,662 km (0.079 R)
• M17: 5,531,980 km (0.045 R)
• M18: 6,019,070 km (0.117 R)
• M19: 6,240,176 km (0.117 R)
• M20: 6,747,313 km (0.112 R)
• M21: 7,761,437 km (0.048 R)
• M22: 8,225,190 km (0.059 R)
• M23: 10,323,001 km (0.077 R)
• M24: 11,624,951 km (0.117 R)
• M25: 11,785,619 km (0.101 R)
• M26: 12,318,637 km (0.097 R)
• M27: 13,073,358 km (0.083 R)
• M28: 13,770,334 km (0.067 R)
• M29: 14,925,529 km (0.104 R)
• M30: 15,100,259 km (0.102 R)
• M31: 16,035,097 km (0.104 R)
• M32: 17,171,143 km (0.027 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 13,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit