🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.78

Radius: 1.87

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.85 AU - 1.03 AU

Year: 347 Days

Day: 30.4 Hours

Environment

Temp: 8 °C

Axial Tilt: 25 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.09

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.81 AU - 1.21 AU

Year: 387 Days

Day: 14.4 Hours

Environment

Temp: 17 °C

Axial Tilt: 43.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.88 AU - 1.9 AU

Year: 989 Days

Day: 22.4 Hours

Environment

Temp: -68 °C

Axial Tilt: 1.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1.52 AU - 2.42 AU

Year: 1053 Days

Day: 15.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 5.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 71,535,675 km

• M1: 530,025 km (0.074 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.7 AU - 2.78 AU

Year: 1727 Days

Day: 39.4 Hours

Environment

Temp: -105 °C

Axial Tilt: 32.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 3.23 AU - 3.31 AU

Year: 2252 Days

Day: 39.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 12.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Ice Giant

Semi-Major Axis: 18.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 255.8

Radius: 4.9

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 17.6 AU - 19.02 AU

Year: 29835 Days

Day: 16.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,535,675 km

• M1: 61,036 km (0.086 R)
• M2: 269,875 km (0.086 R)
• M3: 513,420 km (0.097 R)
• M4: 842,984 km (0.055 R)
• M5: 1,317,209 km (0.026 R)
• M6: 1,680,882 km (0.058 R)
• M7: 3,681,304 km (0.066 R)
• M8: 5,356,352 km (0.075 R)
• M9: 5,664,823 km (0.115 R)
• M10: 6,530,695 km (0.119 R)
• M11: 10,227,258 km (0.073 R)
• M12: 11,504,226 km (0.109 R)
• M13: 27,073,624 km (0.052 R)
• M14: 33,849,061 km (0.05 R)
• M15: 40,487,766 km (0.117 R)
• M16: 42,424,311 km (0.057 R)
• M17: 44,891,479 km (0.117 R)
• M18: 47,943,425 km (0.092 R)
• M19: 50,618,384 km (0.043 R)
• M20: 66,511,961 km (0.119 R)
• M21: 68,159,483 km (0.062 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 214 - 13,242 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit