🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.81

Radius: 0.92

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.55 AU - 0.57 AU

Year: 158 Days

Day: 46.5 Hours

Environment

Temp: 219 °C

Axial Tilt: 12.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.88 AU - 1.14 AU

Year: 382 Days

Day: 35.2 Hours

Environment

Temp: 21 °C

Axial Tilt: 43.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 18,279,730 km

• M1: 118,182 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.37

Radius: 0.67

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 2.24 AU - 3.38 AU

Year: 1775 Days

Day: 12.8 Hours

Environment

Temp: -100 °C

Axial Tilt: 33.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 18,279,730 km

• M1: 64,925 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 204.2

Radius: 13.4

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.59 AU - 5.57 AU

Year: 4313 Days

Day: 8.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 18,279,730 km

• M1: 203,304 km (0.092 R)
• M2: 328,218 km (0.114 R)
• M3: 432,787 km (0.051 R)
• M4: 655,687 km (0.107 R)
• M5: 948,002 km (0.03 R)
• M6: 1,065,137 km (0.056 R)
• M7: 1,197,980 km (0.087 R)
• M8: 1,347,727 km (0.105 R)
• M9: 1,549,834 km (0.072 R)
• M10: 1,726,359 km (0.056 R)
• M11: 1,897,350 km (0.055 R)
• M12: 2,216,891 km (0.095 R)
• M13: 2,567,997 km (0.089 R)
• M14: 2,778,780 km (0.076 R)
• M15: 3,039,380 km (0.083 R)
• M16: 3,247,770 km (0.105 R)
• M17: 3,460,797 km (0.106 R)
• M18: 3,853,043 km (0.1 R)
• M19: 3,949,384 km (0.106 R)
• M20: 4,062,779 km (0.073 R)
• M21: 4,177,221 km (0.113 R)
• M22: 4,359,432 km (0.081 R)
• M23: 4,595,198 km (0.042 R)
• M24: 4,835,153 km (0.051 R)
• M25: 4,921,770 km (0.076 R)
• M26: 5,114,452 km (0.095 R)
• M27: 5,381,185 km (0.103 R)
• M28: 5,689,207 km (0.053 R)
• M29: 5,836,112 km (0.064 R)
• M30: 6,360,453 km (0.077 R)
• M31: 6,551,340 km (0.105 R)
• M32: 7,017,487 km (0.096 R)
• M33: 7,234,703 km (0.091 R)
• M34: 7,777,593 km (0.074 R)
• M35: 7,981,944 km (0.09 R)
• M36: 8,838,691 km (0.12 R)
• M37: 9,397,140 km (0.101 R)
• M38: 9,505,897 km (0.038 R)
• M39: 10,033,529 km (0.045 R)
• M40: 10,278,571 km (0.091 R)
• M41: 10,843,003 km (0.088 R)
• M42: 10,957,146 km (0.098 R)
• M43: 11,814,043 km (0.111 R)
• M44: 11,931,477 km (0.101 R)
• M45: 12,836,844 km (0.076 R)
• M46: 13,813,718 km (0.057 R)
• M47: 14,562,006 km (0.076 R)
• M48: 14,865,092 km (0.109 R)
• M49: 15,374,772 km (0.08 R)
• M50: 15,554,588 km (0.083 R)
• M51: 16,280,736 km (0.107 R)
• M52: 16,490,173 km (0.096 R)
• M53: 16,647,849 km (0.047 R)
• M54: 16,806,124 km (0.098 R)
• M55: 17,044,433 km (0.108 R)
• M56: 17,177,276 km (0.063 R)
• M57: 17,337,196 km (0.06 R)
• M58: 17,631,605 km (0.049 R)
• M59: 17,846,727 km (0.093 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 284 - 17,146 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit