🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.54 AU - 0.62 AU

Year: 170 Days

Day: 15.1 Hours

Environment

Temp: 127 °C

Axial Tilt: 48.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 16,358,634 km

• M1: 154,834 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.79

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.44 AU - 1.66 AU

Year: 743 Days

Day: 19.8 Hours

Environment

Temp: -65 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.58 AU - 1.94 AU

Year: 899 Days

Day: 36.3 Hours

Environment

Temp: -64 °C

Axial Tilt: 46.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,358,634 km

• M1: 14,511 km (0.082 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.77

Radius: 1.26

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.28 AU - 2.68 AU

Year: 1504 Days

Day: 29.4 Hours

Environment

Temp: -112 °C

Axial Tilt: 16.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 2.28 AU - 3.52 AU

Year: 1901 Days

Day: 27.4 Hours

Environment

Temp: -119 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 16,358,634 km

• M1: 2,099,457 km (0.065 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.89

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 3.28 AU - 3.38 AU

Year: 2340 Days

Day: 27 Hours

Environment

Temp: -121 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 13.4

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.13 AU - 5.03 AU

Year: 3173 Days

Day: 13.7 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 16,358,634 km

• M1: 166,652 km (0.118 R)
• M2: 711,637 km (0.082 R)
• M3: 1,224,608 km (0.081 R)
• M4: 1,773,333 km (0.076 R)
• M5: 2,648,929 km (0.056 R)
• M6: 3,203,489 km (0.081 R)
• M7: 3,622,064 km (0.115 R)
• M8: 4,775,014 km (0.059 R)
• M9: 5,201,518 km (0.105 R)
• M10: 5,627,872 km (0.102 R)
• M11: 7,991,518 km (0.067 R)
• M12: 8,630,301 km (0.086 R)
• M13: 10,833,130 km (0.096 R)
• M14: 12,086,910 km (0.09 R)
• M15: 12,570,111 km (0.068 R)
• M16: 14,242,465 km (0.11 R)
• M17: 15,436,855 km (0.098 R)
• M18: 16,006,224 km (0.108 R)
• M19: 18,310,181 km (0.107 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.1

Radius: 13.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 3.68 AU - 5.92 AU

Year: 4049 Days

Day: 5.1 Hours

Environment

Temp: -150 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 16,358,634 km

• M1: 173,683 km (0.089 R)
• M2: 728,841 km (0.102 R)
• M3: 1,537,717 km (0.045 R)
• M4: 2,026,453 km (0.073 R)
• M5: 2,484,073 km (0.082 R)
• M6: 3,182,096 km (0.118 R)
• M7: 5,191,645 km (0.105 R)
• M8: 5,673,798 km (0.094 R)
• M9: 7,530,757 km (0.117 R)
• M10: 9,901,883 km (0.098 R)
• M11: 10,538,123 km (0.07 R)
• M12: 14,049,484 km (0.073 R)
• M13: 14,627,081 km (0.075 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 13,723 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit