🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.67 AU - 0.67 AU

Year: 191 Days

Day: 40.6 Hours

Environment

Temp: 171 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 99,670,196 km

• M1: 151,692 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.51

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.71 AU - 1.03 AU

Year: 283 Days

Day: 13.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.15 AU - 1.63 AU

Year: 571 Days

Day: 14.5 Hours

Environment

Temp: 12 °C

Axial Tilt: 10 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 99,670,196 km

• M1: 372,947 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.47

Radius: 1.44

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.72 AU - 2.54 AU

Year: 1083 Days

Day: 21.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 44.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.4

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 2.67 AU - 3.33 AU

Year: 1810 Days

Day: 38.5 Hours

Environment

Temp: -79 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.8

Radius: 10.4

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 5.74 AU - 6.64 AU

Year: 5363 Days

Day: 11.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 99,670,196 km

• M1: 131,646 km (0.101 R)
• M2: 2,164,681 km (0.114 R)
• M3: 2,727,020 km (0.119 R)
• M4: 7,062,216 km (0.058 R)
• M5: 7,504,128 km (0.115 R)
• M6: 9,741,065 km (0.05 R)
• M7: 12,168,141 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 592.9

Radius: 6.3

Gravity: 14.94 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 19.58 AU - 21.34 AU

Year: 32229 Days

Day: 17.9 Hours

Environment

Temp: -193 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 99,670,196 km

• M1: 78,389 km (0.096 R)
• M2: 307,424 km (0.083 R)
• M3: 509,680 km (0.033 R)
• M4: 1,182,721 km (0.094 R)
• M5: 1,597,406 km (0.119 R)
• M6: 2,457,444 km (0.083 R)
• M7: 2,687,526 km (0.099 R)
• M8: 4,348,361 km (0.069 R)
• M9: 10,684,579 km (0.116 R)
• M10: 13,134,543 km (0.06 R)
• M11: 16,557,792 km (0.109 R)
• M12: 17,012,120 km (0.111 R)
• M13: 37,405,900 km (0.114 R)
• M14: 43,796,721 km (0.066 R)
• M15: 45,015,944 km (0.108 R)
• M16: 55,392,950 km (0.077 R)
• M17: 64,089,523 km (0.116 R)
• M18: 66,797,095 km (0.07 R)
• M19: 76,371,807 km (0.089 R)
• M20: 89,574,717 km (0.115 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 279 - 19,829 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit