🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.95

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.48 AU - 0.62 AU

Year: 143 Days

Day: 25.9 Hours

Environment

Temp: 185 °C

Axial Tilt: 76.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 0.52 AU - 0.84 AU

Year: 197 Days

Day: 40 Hours

Environment

Temp: 144 °C

Axial Tilt: 1.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,730,437 km

• M1: 80,633 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 0.79 AU - 0.93 AU

Year: 280 Days

Day: 29.6 Hours

Environment

Temp: 132 °C

Axial Tilt: 180 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,730,437 km

• M1: 598,242 km (0.088 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.96 AU - 0.98 AU

Year: 336 Days

Day: 30 Hours

Environment

Temp: 173 °C

Axial Tilt: 33.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 20,730,437 km

• M1: 163,062 km (0.072 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.26 AU - 1.74 AU

Year: 646 Days

Day: 17.6 Hours

Environment

Temp: -4 °C

Axial Tilt: 45.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 20,730,437 km

• M1: 31,116 km (0.062 R)
• M2: 930,050 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.12

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.4 AU - 2.04 AU

Year: 793 Days

Day: 24.6 Hours

Environment

Temp: -40 °C

Axial Tilt: 24.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.78 AU - 3.04 AU

Year: 1745 Days

Day: 24 Hours

Environment

Temp: -91 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.25 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.2

Radius: 11.7

Gravity: 1.89 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 5.02 AU - 6.14 AU

Year: 4633 Days

Day: 9.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 20,730,437 km

• M1: 145,559 km (0.08 R)
• M2: 550,670 km (0.096 R)
• M3: 1,020,557 km (0.116 R)
• M4: 1,423,873 km (0.096 R)
• M5: 2,033,783 km (0.085 R)
• M6: 3,607,852 km (0.041 R)
• M7: 6,308,991 km (0.063 R)
• M8: 6,820,017 km (0.119 R)
• M9: 8,153,383 km (0.092 R)
• M10: 9,004,595 km (0.097 R)
• M11: 12,043,825 km (0.112 R)
• M12: 14,030,635 km (0.095 R)
• M13: 16,810,163 km (0.068 R)
• M14: 20,545,772 km (0.109 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 17,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit