🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.04 AU - 1.12 AU

Year: 416 Days

Day: 31 Hours

Environment

Temp: 7 °C

Axial Tilt: 43.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 40,544,372 km

• M1: 29,620 km (0.109 R)
• M2: 105,317 km (0.085 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.21 AU - 1.43 AU

Year: 562 Days

Day: 46.8 Hours

Environment

Temp: -17 °C

Axial Tilt: 45.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.69

Radius: 1.49

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.36 AU - 2.08 AU

Year: 837 Days

Day: 21 Hours

Environment

Temp: -63 °C

Axial Tilt: 23.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.84

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.84 AU - 2.78 AU

Year: 1302 Days

Day: 28.5 Hours

Environment

Temp: -78 °C

Axial Tilt: 8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.16 AU - 4.52 AU

Year: 2791 Days

Day: 44.2 Hours

Environment

Temp: -121 °C

Axial Tilt: 39.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718

Radius: 8.2

Gravity: 10.68 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.03 AU - 7.37 AU

Year: 7165 Days

Day: 13.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 40,544,372 km

• M1: 102,026 km (0.072 R)
• M2: 488,437 km (0.118 R)
• M3: 777,610 km (0.051 R)
• M4: 1,329,027 km (0.114 R)
• M5: 2,553,486 km (0.072 R)
• M6: 3,645,251 km (0.026 R)
• M7: 4,295,703 km (0.061 R)
• M8: 5,825,640 km (0.103 R)
• M9: 14,137,148 km (0.102 R)
• M10: 15,478,742 km (0.102 R)
• M11: 16,637,976 km (0.109 R)
• M12: 23,066,795 km (0.084 R)
• M13: 24,235,603 km (0.098 R)
• M14: 29,694,878 km (0.064 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.6

Radius: 5.9

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 13.33 AU - 20.81 AU

Year: 26155 Days

Day: 20.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 40,544,372 km

• M1: 75,248 km (0.105 R)
• M2: 605,273 km (0.083 R)
• M3: 980,913 km (0.078 R)
• M4: 4,493,471 km (0.092 R)
• M5: 4,982,058 km (0.08 R)
• M6: 5,601,393 km (0.086 R)
• M7: 6,992,055 km (0.051 R)
• M8: 7,727,179 km (0.111 R)
• M9: 8,175,673 km (0.086 R)
• M10: 12,245,483 km (0.062 R)
• M11: 13,253,175 km (0.055 R)
• M12: 13,659,632 km (0.053 R)
• M13: 15,179,098 km (0.054 R)
• M14: 25,015,457 km (0.064 R)
• M15: 31,587,590 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 20,357 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit