🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.8

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.53 AU - 0.69 AU

Year: 166 Days

Day: 32.5 Hours

Environment

Temp: 188 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 0.74 AU - 1.18 AU

Year: 328 Days

Day: 34.2 Hours

Environment

Temp: 173 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.05 AU

Year: 333 Days

Day: 44.4 Hours

Environment

Temp: 178 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 1.3 AU - 1.54 AU

Year: 589 Days

Day: 22.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.74

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.79 AU - 4.17 AU

Year: 2261 Days

Day: 34.7 Hours

Environment

Temp: -105 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.33 AU - 5.33 AU

Year: 4285 Days

Day: 41.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 24,266,774 km

• M1: 51,611 km (0.113 R)
• M2: 824,733 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 198

Radius: 12.9

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.89 AU - 8.47 AU

Year: 6700 Days

Day: 14.8 Hours

Environment

Temp: -141 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,266,774 km

• M1: 162,912 km (0.102 R)
• M2: 574,456 km (0.084 R)
• M3: 1,058,555 km (0.115 R)
• M4: 1,462,469 km (0.067 R)
• M5: 2,024,059 km (0.033 R)
• M6: 2,537,629 km (0.118 R)
• M7: 3,302,074 km (0.102 R)
• M8: 3,956,265 km (0.078 R)
• M9: 4,439,466 km (0.116 R)
• M10: 5,767,746 km (0.054 R)
• M11: 6,965,726 km (0.08 R)
• M12: 8,428,942 km (0.074 R)
• M13: 8,935,032 km (0.083 R)
• M14: 10,576,270 km (0.059 R)
• M15: 12,549,167 km (0.095 R)
• M16: 15,227,567 km (0.082 R)
• M17: 16,254,557 km (0.102 R)
• M18: 16,983,397 km (0.064 R)
• M19: 18,870,575 km (0.043 R)
• M20: 23,268,453 km (0.087 R)

Kuiper Belt

Range: 31.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 393 - 14,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit