🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.59

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.79 AU - 1.01 AU

Year: 301 Days

Day: 35.7 Hours

Environment

Temp: 188 °C

Axial Tilt: 42.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.38

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.49 AU - 2.29 AU

Year: 917 Days

Day: 46 Hours

Environment

Temp: -58 °C

Axial Tilt: 41.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.57

Radius: 0.8

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.47 AU - 4.03 AU

Year: 2069 Days

Day: 38.7 Hours

Environment

Temp: -102 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 29,989,062 km

• M1: 18,700 km (0.088 R)
• M2: 1,567,786 km (0.094 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.94 AU - 4.06 AU

Year: 2312 Days

Day: 21.8 Hours

Environment

Temp: -108 °C

Axial Tilt: 13.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.79 AU - 3.91 AU

Year: 2667 Days

Day: 23.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 9.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 7.05 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37

Radius: 8.1

Gravity: 0.56 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 8.35 AU - 12.13 AU

Year: 11570 Days

Day: 11.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 29,989,062 km

• M1: 100,679 km (0.086 R)
• M2: 368,609 km (0.087 R)
• M3: 692,638 km (0.103 R)
• M4: 1,725,013 km (0.112 R)
• M5: 2,496,040 km (0.078 R)
• M6: 2,959,495 km (0.118 R)
• M7: 5,045,338 km (0.076 R)
• M8: 5,582,394 km (0.065 R)
• M9: 13,184,509 km (0.106 R)
• M10: 17,734,379 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 50.1

Radius: 6.1

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 13.61 AU - 14.19 AU

Year: 18299 Days

Day: 24.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,989,062 km

• M1: 75,846 km (0.118 R)
• M2: 304,581 km (0.053 R)
• M3: 1,769,593 km (0.071 R)
• M4: 2,912,222 km (0.104 R)
• M5: 3,241,337 km (0.113 R)
• M6: 3,616,678 km (0.117 R)
• M7: 4,838,594 km (0.054 R)
• M8: 8,952,385 km (0.096 R)
• M9: 9,564,689 km (0.106 R)
• M10: 10,964,028 km (0.046 R)
• M11: 12,246,680 km (0.027 R)
• M12: 17,996,175 km (0.113 R)
• M13: 18,969,908 km (0.111 R)
• M14: 19,503,374 km (0.089 R)
• M15: 19,978,197 km (0.106 R)
• M16: 27,630,876 km (0.102 R)
• M17: 28,402,652 km (0.116 R)

Kuiper Belt

Range: 31.1 - 55.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 346 - 18,880 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit