🌌 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: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.59 AU

Year: 148 Days

Day: 39.9 Hours

Environment

Temp: 257 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 71,405,860 km

• M1: 16,605 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.7 AU - 1.88 AU

Year: 846 Days

Day: 38.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 16.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 71,405,860 km

• M1: 289,023 km (0.04 R)
• M2: 789,428 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 2.29 AU - 3.25 AU

Year: 1628 Days

Day: 39.4 Hours

Environment

Temp: -92 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,405,860 km

• M1: 977,772 km (0.091 R)

Asteroid Belt

Center: 9.98 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 358.2

Radius: 4

Gravity: 22.39 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 14.48 AU - 19.88 AU

Year: 25144 Days

Day: 23.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,405,860 km

• M1: 50,115 km (0.097 R)
• M2: 281,094 km (0.058 R)
• M3: 873,352 km (0.034 R)
• M4: 1,232,986 km (0.116 R)
• M5: 2,661,047 km (0.089 R)
• M6: 2,954,408 km (0.077 R)
• M7: 3,269,162 km (0.08 R)
• M8: 3,782,582 km (0.114 R)
• M9: 4,860,584 km (0.097 R)
• M10: 5,412,301 km (0.119 R)
• M11: 5,644,328 km (0.083 R)
• M12: 7,086,302 km (0.068 R)
• M13: 7,600,918 km (0.119 R)
• M14: 8,342,325 km (0.04 R)
• M15: 8,599,933 km (0.12 R)
• M16: 12,380,720 km (0.115 R)
• M17: 14,262,212 km (0.103 R)
• M18: 16,973,823 km (0.103 R)
• M19: 20,845,416 km (0.118 R)
• M20: 22,387,621 km (0.072 R)
• M21: 25,053,155 km (0.077 R)
• M22: 27,017,525 km (0.051 R)
• M23: 33,136,527 km (0.037 R)
• M24: 35,231,047 km (0.101 R)
• M25: 39,971,803 km (0.119 R)
• M26: 40,117,362 km (0.077 R)
• M27: 40,702,888 km (0.074 R)
• M28: 41,442,949 km (0.114 R)
• M29: 44,962,837 km (0.078 R)
• M30: 45,753,611 km (0.072 R)
• M31: 46,072,554 km (0.063 R)
• M32: 47,362,835 km (0.111 R)
• M33: 54,177,018 km (0.052 R)
• M34: 57,076,076 km (0.11 R)
• M35: 59,128,110 km (0.074 R)
• M36: 65,174,556 km (0.098 R)
• M37: 67,004,138 km (0.036 R)
• M38: 69,706,923 km (0.094 R)
• M39: 70,765,627 km (0.084 R)

Kuiper Belt

Range: 31.1 - 57.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 519 - 14,480 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit