🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.55

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.87 AU - 0.91 AU

Year: 301 Days

Day: 44.5 Hours

Environment

Temp: 104 °C

Axial Tilt: 90.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.99 AU - 1.27 AU

Year: 430 Days

Day: 19.9 Hours

Environment

Temp: 33 °C

Axial Tilt: 10.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 56,150,365 km

• M1: 15,109 km (0.086 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.39 AU - 2.13 AU

Year: 836 Days

Day: 25.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.91 AU - 2.59 AU

Year: 1209 Days

Day: 29.2 Hours

Environment

Temp: -73 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 174.5

Radius: 9.2

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.07 AU - 11.45 AU

Year: 10092 Days

Day: 9.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,150,365 km

• M1: 114,592 km (0.057 R)
• M2: 480,209 km (0.114 R)
• M3: 1,239,119 km (0.063 R)
• M4: 1,720,525 km (0.114 R)
• M5: 2,871,382 km (0.095 R)
• M6: 3,378,668 km (0.082 R)
• M7: 3,990,523 km (0.102 R)
• M8: 4,496,613 km (0.081 R)
• M9: 4,883,772 km (0.092 R)
• M10: 5,578,804 km (0.113 R)
• M11: 7,233,805 km (0.101 R)
• M12: 7,622,012 km (0.063 R)
• M13: 8,249,425 km (0.098 R)
• M14: 9,031,074 km (0.075 R)
• M15: 18,951,657 km (0.08 R)
• M16: 19,758,887 km (0.038 R)
• M17: 20,729,478 km (0.06 R)
• M18: 22,840,304 km (0.112 R)
• M19: 23,831,689 km (0.085 R)
• M20: 25,981,709 km (0.081 R)
• M21: 27,230,403 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.4

Radius: 13.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 9.47 AU - 9.89 AU

Year: 10787 Days

Day: 5 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 56,150,365 km

• M1: 168,298 km (0.11 R)
• M2: 594,652 km (0.08 R)
• M3: 1,162,076 km (0.066 R)
• M4: 2,124,140 km (0.033 R)
• M5: 3,487,575 km (0.093 R)
• M6: 4,433,931 km (0.098 R)
• M7: 5,234,280 km (0.05 R)
• M8: 7,248,914 km (0.052 R)
• M9: 8,314,051 km (0.114 R)
• M10: 14,980,432 km (0.085 R)
• M11: 15,683,542 km (0.056 R)
• M12: 18,319,007 km (0.11 R)
• M13: 19,534,191 km (0.117 R)
• M14: 31,260,719 km (0.025 R)
• M15: 35,035,373 km (0.096 R)
• M16: 40,302,414 km (0.025 R)

Kuiper Belt

Range: 30.6 - 51.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 258 - 12,074 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit