🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.39

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.67 AU - 0.75 AU

Year: 222 Days

Day: 24.5 Hours

Environment

Temp: 165 °C

Axial Tilt: 101.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.56 AU - 0.88 AU

Year: 227 Days

Day: 45.8 Hours

Environment

Temp: 184 °C

Axial Tilt: 147.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.71 AU - 0.95 AU

Year: 280 Days

Day: 24.3 Hours

Environment

Temp: 74 °C

Axial Tilt: 38.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 64,253,515 km

• M1: 604,226 km (0.102 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.59

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.06 AU - 1.28 AU

Year: 469 Days

Day: 13.4 Hours

Environment

Temp: -8 °C

Axial Tilt: 18.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.83

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.17 AU - 3.27 AU

Year: 1664 Days

Day: 43.7 Hours

Environment

Temp: -106 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 12.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 636.9

Radius: 4.5

Gravity: 31.45 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 10.71 AU - 13.99 AU

Year: 16096 Days

Day: 15.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 64,253,515 km

• M1: 59,839 km (0.119 R)
• M2: 285,882 km (0.088 R)
• M3: 977,173 km (0.102 R)
• M4: 1,145,620 km (0.115 R)
• M5: 1,319,603 km (0.096 R)
• M6: 2,159,595 km (0.085 R)
• M7: 2,384,141 km (0.106 R)
• M8: 2,715,201 km (0.115 R)
• M9: 3,255,250 km (0.055 R)
• M10: 3,634,480 km (0.075 R)
• M11: 4,578,293 km (0.112 R)
• M12: 6,143,087 km (0.097 R)
• M13: 7,155,715 km (0.09 R)
• M14: 10,052,827 km (0.097 R)
• M15: 10,220,975 km (0.065 R)
• M16: 10,448,214 km (0.091 R)
• M17: 13,510,782 km (0.034 R)
• M18: 15,804,566 km (0.053 R)
• M19: 17,362,778 km (0.063 R)
• M20: 17,849,420 km (0.075 R)
• M21: 18,428,662 km (0.11 R)
• M22: 19,799,727 km (0.077 R)
• M23: 20,420,409 km (0.064 R)
• M24: 21,237,213 km (0.108 R)
• M25: 22,075,709 km (0.09 R)
• M26: 25,029,968 km (0.101 R)
• M27: 28,015,193 km (0.036 R)
• M28: 30,403,972 km (0.051 R)
• M29: 30,873,859 km (0.088 R)
• M30: 31,707,867 km (0.082 R)
• M31: 38,652,200 km (0.11 R)
• M32: 49,074,086 km (0.093 R)
• M33: 49,396,619 km (0.101 R)
• M34: 50,536,405 km (0.064 R)
• M35: 61,221,133 km (0.089 R)
• M36: 63,486,195 km (0.07 R)
• M37: 64,253,482 km (0.111 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: 332 - 14,896 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit