🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.45

Radius: 1.16

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.57 AU - 0.91 AU

Year: 270 Days

Day: 21.5 Hours

Environment

Temp: 4 °C

Axial Tilt: 8.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.86 AU - 0.9 AU

Year: 351 Days

Day: 43.9 Hours

Environment

Temp: -34 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,361,402 km

• M1: 47,871 km (0.114 R)

Asteroid Belt

Center: 4.01 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 7.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.1

Radius: 12

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.68 AU - 8.58 AU

Year: 8084 Days

Day: 13.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 22,361,402 km

• M1: 149,299 km (0.032 R)
• M2: 543,040 km (0.07 R)
• M3: 931,845 km (0.093 R)
• M4: 1,534,725 km (0.093 R)
• M5: 2,743,625 km (0.036 R)
• M6: 3,194,663 km (0.054 R)
• M7: 7,004,472 km (0.114 R)
• M8: 9,661,778 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.5

Radius: 11.2

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.08 AU - 10.58 AU

Year: 12100 Days

Day: 8 Hours

Environment

Temp: -196 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,361,402 km

• M1: 140,323 km (0.071 R)
• M2: 494,870 km (0.092 R)
• M3: 847,173 km (0.108 R)
• M4: 1,264,850 km (0.082 R)
• M5: 2,705,926 km (0.07 R)
• M6: 3,174,616 km (0.115 R)
• M7: 3,619,072 km (0.108 R)
• M8: 4,915,337 km (0.119 R)
• M9: 6,973,654 km (0.087 R)
• M10: 8,126,456 km (0.084 R)
• M11: 8,572,706 km (0.047 R)
• M12: 9,627,221 km (0.098 R)
• M13: 19,984,929 km (0.093 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: 324 - 13,424 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit