🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 0.56 AU - 0.64 AU

Year: 165 Days

Day: 21.5 Hours

Environment

Temp: 209 °C

Axial Tilt: 24.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,852,200 km

• M1: 42,935 km (0.106 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.01 AU - 1.15 AU

Year: 398 Days

Day: 47 Hours

Environment

Temp: 45 °C

Axial Tilt: 5.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.46

Radius: 1.43

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.04 AU - 1.46 AU

Year: 496 Days

Day: 37 Hours

Environment

Temp: 22 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.52 AU - 1.6 AU

Year: 691 Days

Day: 17.2 Hours

Environment

Temp: -32 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.63 AU - 2.39 AU

Year: 1011 Days

Day: 21.8 Hours

Environment

Temp: -54 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 10.68 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 19.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 810.3

Radius: 5

Gravity: 32.41 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 17.68 AU - 21 AU

Year: 30173 Days

Day: 19.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 105,852,200 km

• M1: 62,233 km (0.106 R)
• M2: 689,497 km (0.08 R)
• M3: 1,173,296 km (0.102 R)
• M4: 1,656,348 km (0.085 R)
• M5: 2,191,010 km (0.081 R)
• M6: 3,306,113 km (0.07 R)
• M7: 3,561,327 km (0.106 R)
• M8: 3,727,381 km (0.112 R)
• M9: 4,875,544 km (0.102 R)
• M10: 5,867,079 km (0.087 R)
• M11: 6,731,755 km (0.093 R)
• M12: 7,406,890 km (0.077 R)
• M13: 8,240,748 km (0.054 R)
• M14: 8,710,186 km (0.108 R)
• M15: 9,321,743 km (0.088 R)
• M16: 11,186,480 km (0.059 R)
• M17: 12,432,181 km (0.098 R)
• M18: 15,990,816 km (0.066 R)
• M19: 16,813,005 km (0.063 R)
• M20: 18,840,356 km (0.046 R)
• M21: 19,550,796 km (0.104 R)
• M22: 22,912,859 km (0.113 R)
• M23: 23,488,810 km (0.09 R)
• M24: 26,388,915 km (0.108 R)
• M25: 27,924,537 km (0.085 R)
• M26: 28,186,184 km (0.083 R)
• M27: 35,883,592 km (0.107 R)
• M28: 38,893,651 km (0.039 R)
• M29: 42,239,408 km (0.084 R)
• M30: 42,411,595 km (0.091 R)
• M31: 48,925,535 km (0.076 R)
• M32: 50,458,315 km (0.109 R)
• M33: 61,651,377 km (0.116 R)
• M34: 66,183,744 km (0.083 R)
• M35: 73,390,920 km (0.077 R)
• M36: 77,183,077 km (0.086 R)
• M37: 82,171,268 km (0.099 R)
• M38: 84,880,934 km (0.047 R)
• M39: 89,056,211 km (0.106 R)

Kuiper Belt

Range: 30.9 - 59.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 14,102 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit