🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.38

Radius: 1.41

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.56 AU - 0.74 AU

Year: 183 Days

Day: 12.3 Hours

Environment

Temp: 206 °C

Axial Tilt: 61.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.76 AU - 0.82 AU

Year: 246 Days

Day: 39.9 Hours

Environment

Temp: 171 °C

Axial Tilt: 13.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.57

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.82 AU - 1.22 AU

Year: 360 Days

Day: 45.4 Hours

Environment

Temp: 78 °C

Axial Tilt: 32.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,455,197 km

• M1: 695,331 km (0.093 R)

Asteroid Belt

Center: 9.38 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 17.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 897

Radius: 5.6

Gravity: 28.6 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 15.87 AU - 19.59 AU

Year: 26118 Days

Day: 18.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 99,455,197 km

• M1: 69,713 km (0.089 R)
• M2: 325,226 km (0.05 R)
• M3: 602,281 km (0.048 R)
• M4: 795,262 km (0.096 R)
• M5: 1,099,245 km (0.075 R)
• M6: 1,359,396 km (0.084 R)
• M7: 1,816,417 km (0.076 R)
• M8: 2,807,054 km (0.08 R)
• M9: 3,059,127 km (0.117 R)
• M10: 3,806,069 km (0.106 R)
• M11: 4,294,356 km (0.112 R)
• M12: 4,784,290 km (0.079 R)
• M13: 8,827,621 km (0.112 R)
• M14: 10,126,878 km (0.117 R)
• M15: 10,322,403 km (0.082 R)
• M16: 11,129,782 km (0.07 R)
• M17: 11,548,806 km (0.114 R)
• M18: 15,632,529 km (0.114 R)
• M19: 16,425,248 km (0.038 R)
• M20: 17,337,047 km (0.109 R)
• M21: 18,865,339 km (0.051 R)
• M22: 27,743,075 km (0.115 R)
• M23: 29,827,571 km (0.065 R)
• M24: 33,867,462 km (0.119 R)
• M25: 34,305,185 km (0.098 R)
• M26: 35,043,002 km (0.102 R)
• M27: 35,341,001 km (0.099 R)
• M28: 35,791,291 km (0.119 R)
• M29: 39,693,551 km (0.087 R)
• M30: 40,506,615 km (0.069 R)
• M31: 41,164,996 km (0.1 R)
• M32: 41,496,804 km (0.108 R)
• M33: 52,691,811 km (0.082 R)
• M34: 57,308,850 km (0.084 R)
• M35: 66,194,664 km (0.086 R)
• M36: 72,280,455 km (0.082 R)
• M37: 73,005,855 km (0.066 R)
• M38: 78,473,807 km (0.118 R)
• M39: 88,550,271 km (0.104 R)

Kuiper Belt

Range: 31.4 - 58.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 470 - 17,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit