🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.66

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.68 AU - 0.9 AU

Year: 262 Days

Day: 20.6 Hours

Environment

Temp: 126 °C

Axial Tilt: 49.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.46

Radius: 0.73

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.83 AU - 1.37 AU

Year: 430 Days

Day: 30.5 Hours

Environment

Temp: 16 °C

Axial Tilt: 19.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 22,746,093 km

• M1: 393,742 km (0.098 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.42

Radius: 1.42

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.33 AU - 1.51 AU

Year: 631 Days

Day: 42.3 Hours

Environment

Temp: -35 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.72 AU - 1.76 AU

Year: 856 Days

Day: 24.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.66

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.02 AU - 2.2 AU

Year: 1143 Days

Day: 23.6 Hours

Environment

Temp: -81 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.62

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.32 AU - 2.8 AU

Year: 1527 Days

Day: 16.6 Hours

Environment

Temp: -93 °C

Axial Tilt: 39.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,746,093 km

• M1: 1,751,193 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 14.5

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 4.12 AU - 4.98 AU

Year: 3618 Days

Day: 8.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 22,746,093 km

• M1: 180,265 km (0.118 R)
• M2: 702,661 km (0.063 R)
• M3: 1,233,135 km (0.07 R)
• M4: 1,840,203 km (0.103 R)
• M5: 2,950,519 km (0.062 R)
• M6: 4,315,450 km (0.075 R)
• M7: 5,822,798 km (0.09 R)
• M8: 6,492,548 km (0.077 R)
• M9: 7,028,258 km (0.107 R)
• M10: 10,243,415 km (0.103 R)
• M11: 11,138,010 km (0.066 R)
• M12: 13,176,580 km (0.114 R)
• M13: 14,087,482 km (0.109 R)
• M14: 15,091,284 km (0.093 R)
• M15: 21,224,647 km (0.119 R)
• M16: 22,142,280 km (0.11 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 12,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit