🌌 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: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.45 AU - 0.67 AU

Year: 148 Days

Day: 34.5 Hours

Environment

Temp: 269 °C

Axial Tilt: 38.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 68,602,658 km

• M1: 37,699 km (0.095 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.76 AU - 2.52 AU

Year: 1105 Days

Day: 26.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,602,658 km

• M1: 45,328 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.72 AU - 4.42 AU

Year: 2899 Days

Day: 14.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,602,658 km

• M1: 283,189 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 235.7

Radius: 11.4

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.55 AU - 6.91 AU

Year: 4843 Days

Day: 6.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,602,658 km

• M1: 142,417 km (0.077 R)
• M2: 560,394 km (0.095 R)
• M3: 1,069,924 km (0.08 R)
• M4: 1,788,891 km (0.09 R)
• M5: 3,417,414 km (0.069 R)
• M6: 4,155,829 km (0.064 R)
• M7: 7,077,924 km (0.086 R)
• M8: 13,136,189 km (0.104 R)
• M9: 13,503,003 km (0.063 R)
• M10: 13,923,971 km (0.109 R)
• M11: 15,089,488 km (0.083 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 321

Radius: 4.7

Gravity: 14.53 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 16.26 AU - 17.98 AU

Year: 25012 Days

Day: 15.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 68,602,658 km

• M1: 60,886 km (0.087 R)
• M2: 349,909 km (0.103 R)
• M3: 543,639 km (0.102 R)
• M4: 1,091,316 km (0.1 R)
• M5: 1,782,608 km (0.112 R)
• M6: 2,544,211 km (0.109 R)
• M7: 2,997,343 km (0.042 R)
• M8: 3,310,002 km (0.089 R)
• M9: 4,315,001 km (0.102 R)
• M10: 5,897,298 km (0.104 R)
• M11: 6,430,315 km (0.12 R)
• M12: 7,544,520 km (0.12 R)
• M13: 8,886,114 km (0.093 R)
• M14: 9,097,495 km (0.04 R)
• M15: 9,530,432 km (0.052 R)
• M16: 12,355,737 km (0.096 R)
• M17: 26,287,338 km (0.03 R)
• M18: 32,212,311 km (0.11 R)
• M19: 33,215,814 km (0.102 R)
• M20: 35,682,084 km (0.082 R)
• M21: 36,350,936 km (0.102 R)
• M22: 39,393,009 km (0.06 R)
• M23: 40,251,102 km (0.076 R)
• M24: 45,977,709 km (0.085 R)
• M25: 49,034,442 km (0.112 R)
• M26: 51,202,265 km (0.06 R)
• M27: 53,956,810 km (0.083 R)
• M28: 60,702,029 km (0.069 R)

Kuiper Belt

Range: 31.1 - 51.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 14,263 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit