🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.8 AU - 0.92 AU

Year: 290 Days

Day: 47.2 Hours

Environment

Temp: 143 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.4

Radius: 1.14

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.75 AU - 1.05 AU

Year: 310 Days

Day: 30.3 Hours

Environment

Temp: 152 °C

Axial Tilt: 24.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.87 AU - 1.01 AU

Year: 331 Days

Day: 32.6 Hours

Environment

Temp: 76 °C

Axial Tilt: 20.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,423,050 km

• M1: 100,979 km (0.1 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.95 AU - 1.29 AU

Year: 431 Days

Day: 30.8 Hours

Environment

Temp: 28 °C

Axial Tilt: 8.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.15 AU - 1.35 AU

Year: 508 Days

Day: 36.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 3.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.57 AU - 2.43 AU

Year: 1028 Days

Day: 24.6 Hours

Environment

Temp: -75 °C

Axial Tilt: 49.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.58

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.49 AU - 2.85 AU

Year: 1586 Days

Day: 22.3 Hours

Environment

Temp: -96 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,423,050 km

• M1: 30,817 km (0.119 R)

Asteroid Belt

Center: 6.37 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.6

Radius: 14.4

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 7.64 AU - 12.5 AU

Year: 11614 Days

Day: 13.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 40,423,050 km

• M1: 179,069 km (0.099 R)
• M2: 643,570 km (0.071 R)
• M3: 1,110,764 km (0.075 R)
• M4: 1,665,174 km (0.111 R)
• M5: 2,201,033 km (0.111 R)
• M6: 2,912,371 km (0.113 R)
• M7: 4,225,392 km (0.062 R)
• M8: 4,685,555 km (0.108 R)
• M9: 6,445,873 km (0.085 R)
• M10: 7,592,840 km (0.1 R)
• M11: 8,486,388 km (0.106 R)
• M12: 9,724,011 km (0.095 R)
• M13: 11,539,980 km (0.059 R)
• M14: 14,220,774 km (0.084 R)
• M15: 16,752,718 km (0.102 R)
• M16: 17,845,231 km (0.119 R)
• M17: 18,767,352 km (0.107 R)
• M18: 19,721,039 km (0.115 R)
• M19: 21,725,201 km (0.118 R)
• M20: 24,202,692 km (0.096 R)
• M21: 32,758,942 km (0.028 R)
• M22: 34,141,376 km (0.06 R)

Kuiper Belt

Range: 30.2 - 48.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 13,093 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit