🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.41

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.67 AU - 0.77 AU

Year: 229 Days

Day: 32.7 Hours

Environment

Temp: 130 °C

Axial Tilt: 25 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.93 AU - 0.99 AU

Year: 352 Days

Day: 13.3 Hours

Environment

Temp: 34 °C

Axial Tilt: 37.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.43 AU - 1.99 AU

Year: 838 Days

Day: 19 Hours

Environment

Temp: -69 °C

Axial Tilt: 23.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.01 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 2.27 AU - 2.35 AU

Year: 1316 Days

Day: 43.4 Hours

Environment

Temp: -86 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 27,880,183 km

• M1: 69,413 km (0.098 R)
• M2: 522,246 km (0.075 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.52 AU - 2.94 AU

Year: 1690 Days

Day: 18.3 Hours

Environment

Temp: -102 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.69 AU - 4.39 AU

Year: 3043 Days

Day: 47.3 Hours

Environment

Temp: -141 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.1

Radius: 13.4

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 5.67 AU - 7.41 AU

Year: 6268 Days

Day: 8.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 27,880,183 km

• M1: 168,597 km (0.083 R)
• M2: 851,511 km (0.112 R)
• M3: 2,174,854 km (0.087 R)
• M4: 2,701,887 km (0.059 R)
• M5: 3,139,760 km (0.098 R)
• M6: 4,416,129 km (0.063 R)
• M7: 5,124,325 km (0.068 R)
• M8: 6,652,468 km (0.081 R)
• M9: 7,839,228 km (0.097 R)
• M10: 13,185,556 km (0.097 R)
• M11: 15,051,939 km (0.107 R)
• M12: 15,814,739 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.7

Radius: 11.9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 8.94 AU - 12.52 AU

Year: 13171 Days

Day: 14.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 27,880,183 km

• M1: 227,389 km (0.114 R)
• M2: 681,867 km (0.111 R)
• M3: 1,357,451 km (0.083 R)
• M4: 5,558,907 km (0.114 R)
• M5: 6,473,698 km (0.099 R)
• M6: 7,181,895 km (0.104 R)
• M7: 7,799,135 km (0.096 R)
• M8: 13,511,829 km (0.094 R)
• M9: 16,409,540 km (0.102 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 17,624 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit