🌌 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: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.78

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.56 AU - 0.58 AU

Year: 157 Days

Day: 33.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 3.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.23 AU - 1.37 AU

Year: 541 Days

Day: 21.7 Hours

Environment

Temp: -8 °C

Axial Tilt: 28 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 4.28 AU - 4.8 AU

Year: 3533 Days

Day: 25 Hours

Environment

Temp: -130 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,562,094 km

• M1: 304,731 km (0.04 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 4.5 AU - 4.78 AU

Year: 3651 Days

Day: 46.8 Hours

Environment

Temp: -142 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.9

Radius: 8.5

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 9.48 AU - 11.42 AU

Year: 12339 Days

Day: 15 Hours

Environment

Temp: -172 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,562,094 km

• M1: 108,758 km (0.108 R)
• M2: 378,931 km (0.069 R)
• M3: 997,219 km (0.104 R)
• M4: 1,299,706 km (0.093 R)
• M5: 2,130,274 km (0.088 R)
• M6: 3,721,397 km (0.033 R)
• M7: 5,599,747 km (0.102 R)
• M8: 6,458,140 km (0.048 R)
• M9: 7,077,475 km (0.115 R)
• M10: 7,484,381 km (0.117 R)
• M11: 9,707,555 km (0.077 R)
• M12: 10,942,935 km (0.09 R)
• M13: 11,654,273 km (0.083 R)
• M14: 14,744,965 km (0.07 R)
• M15: 16,093,440 km (0.112 R)
• M16: 16,372,589 km (0.116 R)
• M17: 17,966,854 km (0.083 R)
• M18: 21,629,758 km (0.038 R)
• M19: 22,748,750 km (0.101 R)
• M20: 23,906,039 km (0.103 R)
• M21: 26,530,883 km (0.116 R)
• M22: 27,019,021 km (0.047 R)
• M23: 29,759,056 km (0.056 R)
• M24: 32,456,455 km (0.096 R)
• M25: 36,261,028 km (0.042 R)
• M26: 38,956,333 km (0.061 R)
• M27: 39,460,328 km (0.09 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 14,388 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit