🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.47 AU - 0.79 AU

Year: 190 Days

Day: 20.8 Hours

Environment

Temp: 179 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 26,058,143 km

• M1: 52,509 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.75 AU - 0.97 AU

Year: 304 Days

Day: 14.6 Hours

Environment

Temp: 46 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.79 AU - 1.03 AU

Year: 331 Days

Day: 12.2 Hours

Environment

Temp: 14 °C

Axial Tilt: 33 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 26,058,143 km

• M1: 36,203 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.61

Radius: 0.82

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 1.09 AU - 1.39 AU

Year: 526 Days

Day: 46.7 Hours

Environment

Temp: -34 °C

Axial Tilt: 8.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.19

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.7 AU - 1.96 AU

Year: 943 Days

Day: 16.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 5.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.79 AU - 4.03 AU

Year: 2944 Days

Day: 34.5 Hours

Environment

Temp: -131 °C

Axial Tilt: 38.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 26,058,143 km

• M1: 1,241,064 km (0.104 R)

Asteroid Belt

Center: 4.74 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 12.7

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 5.29 AU - 5.85 AU

Year: 5006 Days

Day: 6.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 26,058,143 km

• M1: 157,975 km (0.118 R)
• M2: 562,638 km (0.104 R)
• M3: 1,624,483 km (0.072 R)
• M4: 2,022,563 km (0.085 R)
• M5: 2,549,746 km (0.099 R)
• M6: 2,986,572 km (0.12 R)
• M7: 3,757,899 km (0.111 R)
• M8: 4,373,793 km (0.097 R)
• M9: 6,390,671 km (0.066 R)
• M10: 7,402,851 km (0.112 R)
• M11: 8,265,881 km (0.062 R)
• M12: 8,666,354 km (0.1 R)
• M13: 9,865,531 km (0.09 R)
• M14: 11,482,684 km (0.113 R)
• M15: 11,936,265 km (0.093 R)
• M16: 13,871,463 km (0.06 R)
• M17: 14,754,240 km (0.03 R)
• M18: 15,896,120 km (0.075 R)
• M19: 16,631,992 km (0.105 R)
• M20: 17,272,121 km (0.058 R)
• M21: 18,540,113 km (0.108 R)
• M22: 19,740,037 km (0.08 R)
• M23: 24,016,293 km (0.049 R)
• M24: 24,834,743 km (0.078 R)
• M25: 25,594,700 km (0.086 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 527 - 14,690 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit