🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 0.4 AU - 0.6 AU

Year: 130 Days

Day: 15.4 Hours

Environment

Temp: 209 °C

Axial Tilt: 18.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.91 AU - 0.95 AU

Year: 329 Days

Day: 44.3 Hours

Environment

Temp: 69 °C

Axial Tilt: 37.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.46 AU - 2.4 AU

Year: 984 Days

Day: 45.5 Hours

Environment

Temp: -64 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.88 AU - 2.08 AU

Year: 1023 Days

Day: 28.2 Hours

Environment

Temp: -77 °C

Axial Tilt: 21.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.6 AU - 2.86 AU

Year: 1656 Days

Day: 30.2 Hours

Environment

Temp: -99 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 13.8

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 7.42 AU - 8.72 AU

Year: 8416 Days

Day: 9.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,822,408 km

• M1: 171,589 km (0.087 R)
• M2: 624,422 km (0.069 R)
• M3: 2,975,801 km (0.082 R)
• M4: 3,576,436 km (0.069 R)
• M5: 5,392,405 km (0.098 R)
• M6: 9,777,118 km (0.033 R)
• M7: 13,780,806 km (0.083 R)
• M8: 15,716,304 km (0.081 R)
• M9: 17,057,598 km (0.107 R)
• M10: 17,544,689 km (0.089 R)
• M11: 21,059,491 km (0.03 R)
• M12: 22,027,239 km (0.09 R)
• M13: 23,363,298 km (0.033 R)
• M14: 23,964,532 km (0.09 R)
• M15: 26,939,136 km (0.089 R)
• M16: 30,659,934 km (0.088 R)
• M17: 34,599,594 km (0.084 R)
• M18: 35,493,890 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884

Radius: 11.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.26 AU - 8.68 AU

Year: 9049 Days

Day: 13.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,822,408 km

• M1: 146,756 km (0.11 R)
• M2: 898,186 km (0.039 R)
• M3: 1,309,580 km (0.097 R)
• M4: 2,163,036 km (0.067 R)
• M5: 2,946,180 km (0.102 R)
• M6: 4,125,760 km (0.107 R)
• M7: 5,136,144 km (0.06 R)
• M8: 7,558,732 km (0.116 R)
• M9: 8,694,927 km (0.093 R)
• M10: 9,841,745 km (0.08 R)
• M11: 10,555,925 km (0.06 R)
• M12: 13,700,173 km (0.12 R)
• M13: 14,077,309 km (0.088 R)
• M14: 22,196,135 km (0.116 R)
• M15: 24,604,362 km (0.053 R)
• M16: 30,677,138 km (0.105 R)
• M17: 32,532,600 km (0.088 R)
• M18: 36,345,700 km (0.098 R)
• M19: 39,047,288 km (0.11 R)
• M20: 41,748,427 km (0.11 R)
• M21: 45,959,907 km (0.115 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 18,418 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit