🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.79 AU - 1.25 AU

Year: 392 Days

Day: 40.7 Hours

Environment

Temp: -6 °C

Axial Tilt: 42.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,527,562 km

• M1: 91,105 km (0.038 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.48 AU - 1.8 AU

Year: 800 Days

Day: 33.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 32.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,527,562 km

• M1: 704,905 km (0.058 R)
• M2: 1,583,194 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 126.1

Radius: 8.9

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 6.24 AU - 9.42 AU

Year: 8343 Days

Day: 12.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 72,527,562 km

• M1: 110,702 km (0.066 R)
• M2: 392,096 km (0.114 R)
• M3: 820,395 km (0.085 R)
• M4: 1,270,834 km (0.096 R)
• M5: 1,867,580 km (0.054 R)
• M6: 2,608,089 km (0.072 R)
• M7: 3,208,725 km (0.108 R)
• M8: 4,901,873 km (0.076 R)
• M9: 6,183,030 km (0.11 R)
• M10: 6,505,712 km (0.073 R)
• M11: 7,184,737 km (0.115 R)
• M12: 7,741,241 km (0.114 R)
• M13: 11,351,337 km (0.085 R)
• M14: 12,106,357 km (0.116 R)
• M15: 13,325,430 km (0.067 R)
• M16: 13,618,044 km (0.068 R)
• M17: 14,165,572 km (0.032 R)
• M18: 16,060,528 km (0.041 R)
• M19: 19,963,237 km (0.108 R)
• M20: 22,269,438 km (0.057 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 949.4

Radius: 7.8

Gravity: 15.6 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 9.17 AU - 14.81 AU

Year: 15810 Days

Day: 24.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 72,527,562 km

• M1: 111,151 km (0.086 R)
• M2: 617,690 km (0.087 R)
• M3: 989,740 km (0.061 R)
• M4: 1,269,936 km (0.099 R)
• M5: 1,603,390 km (0.114 R)
• M6: 2,233,945 km (0.102 R)
• M7: 2,606,444 km (0.077 R)
• M8: 2,918,804 km (0.095 R)
• M9: 3,202,442 km (0.06 R)
• M10: 3,977,957 km (0.077 R)
• M11: 6,224,917 km (0.108 R)
• M12: 7,010,007 km (0.099 R)
• M13: 13,369,861 km (0.083 R)
• M14: 15,431,170 km (0.113 R)
• M15: 16,216,110 km (0.118 R)
• M16: 18,468,007 km (0.088 R)
• M17: 20,731,722 km (0.107 R)
• M18: 21,015,359 km (0.103 R)
• M19: 21,686,904 km (0.112 R)
• M20: 24,517,296 km (0.093 R)
• M21: 26,350,767 km (0.079 R)
• M22: 35,672,659 km (0.112 R)
• M23: 36,216,448 km (0.095 R)
• M24: 36,490,511 km (0.083 R)
• M25: 37,881,173 km (0.09 R)
• M26: 38,732,385 km (0.09 R)
• M27: 44,421,592 km (0.048 R)
• M28: 45,686,442 km (0.114 R)
• M29: 47,628,521 km (0.104 R)
• M30: 49,456,458 km (0.052 R)
• M31: 51,158,283 km (0.098 R)
• M32: 55,401,477 km (0.083 R)
• M33: 62,197,110 km (0.103 R)
• M34: 63,381,177 km (0.062 R)
• M35: 71,877,588 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 402 - 13,560 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit