🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.44 AU - 0.66 AU

Year: 152 Days

Day: 38.5 Hours

Environment

Temp: 202 °C

Axial Tilt: 41.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.04

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.48 AU - 0.8 AU

Year: 191 Days

Day: 30 Hours

Environment

Temp: 156 °C

Axial Tilt: 36.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.6 AU - 0.84 AU

Year: 228 Days

Day: 28.3 Hours

Environment

Temp: 152 °C

Axial Tilt: 20.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,869,117 km

• M1: 121,473 km (0.039 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.04 AU - 1.66 AU

Year: 585 Days

Day: 44.1 Hours

Environment

Temp: -37 °C

Axial Tilt: 15.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 40,869,117 km

• M1: 248,482 km (0.066 R)
• M2: 510,877 km (0.054 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.64 AU - 3.1 AU

Year: 1812 Days

Day: 34.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 5.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.97

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.36 AU - 4.32 AU

Year: 2805 Days

Day: 47.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.29 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 997.9

Radius: 9

Gravity: 12.32 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.55 AU - 6.93 AU

Year: 6523 Days

Day: 9.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 40,869,117 km

• M1: 112,198 km (0.104 R)
• M2: 557,850 km (0.084 R)
• M3: 1,158,187 km (0.113 R)
• M4: 1,563,298 km (0.098 R)
• M5: 1,874,461 km (0.096 R)
• M6: 2,159,744 km (0.096 R)
• M7: 2,492,600 km (0.112 R)
• M8: 3,513,306 km (0.053 R)
• M9: 4,130,996 km (0.118 R)
• M10: 4,452,481 km (0.068 R)
• M11: 4,936,431 km (0.104 R)
• M12: 6,283,410 km (0.102 R)
• M13: 8,653,938 km (0.101 R)
• M14: 10,696,397 km (0.103 R)
• M15: 12,814,554 km (0.082 R)
• M16: 15,198,096 km (0.108 R)
• M17: 16,829,461 km (0.045 R)
• M18: 17,652,549 km (0.113 R)
• M19: 20,130,637 km (0.117 R)
• M20: 20,668,143 km (0.09 R)
• M21: 21,057,995 km (0.098 R)
• M22: 22,997,681 km (0.064 R)
• M23: 32,160,550 km (0.117 R)
• M24: 32,578,975 km (0.072 R)
• M25: 35,610,726 km (0.085 R)
• M26: 36,171,269 km (0.077 R)
• M27: 37,194,967 km (0.071 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 286 - 16,526 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit