🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.4 AU - 0.6 AU

Year: 129 Days

Day: 15.9 Hours

Environment

Temp: 243 °C

Axial Tilt: 28.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.54 AU - 0.62 AU

Year: 161 Days

Day: 41.3 Hours

Environment

Temp: 184 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,407,485 km

• M1: 17,503 km (0.109 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.73

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.99 AU - 1.39 AU

Year: 474 Days

Day: 43.6 Hours

Environment

Temp: 2 °C

Axial Tilt: 121.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.31 AU - 1.83 AU

Year: 719 Days

Day: 19.4 Hours

Environment

Temp: -31 °C

Axial Tilt: 25.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.45 AU - 2.21 AU

Year: 904 Days

Day: 47.5 Hours

Environment

Temp: -56 °C

Axial Tilt: 16.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.8 AU - 2.14 AU

Year: 1010 Days

Day: 25.7 Hours

Environment

Temp: -57 °C

Axial Tilt: 37.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.37 AU - 4.43 AU

Year: 2813 Days

Day: 38.5 Hours

Environment

Temp: -122 °C

Axial Tilt: 15.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,407,485 km

• M1: 2,315,177 km (0.103 R)

Asteroid Belt

Center: 10.97 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 18.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 48.6

Radius: 5.6

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 16.22 AU - 19.86 AU

Year: 27986 Days

Day: 17.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,407,485 km

• M1: 70,461 km (0.113 R)
• M2: 252,820 km (0.093 R)
• M3: 1,483,263 km (0.104 R)
• M4: 2,127,581 km (0.077 R)
• M5: 3,047,009 km (0.102 R)
• M6: 3,848,854 km (0.105 R)
• M7: 4,557,499 km (0.061 R)
• M8: 4,986,845 km (0.113 R)
• M9: 5,287,836 km (0.06 R)
• M10: 8,314,201 km (0.091 R)
• M11: 10,872,773 km (0.075 R)
• M12: 14,268,346 km (0.103 R)
• M13: 15,184,782 km (0.053 R)
• M14: 16,075,039 km (0.104 R)
• M15: 16,466,986 km (0.11 R)
• M16: 19,686,481 km (0.07 R)
• M17: 24,829,806 km (0.044 R)
• M18: 25,795,460 km (0.111 R)
• M19: 28,177,208 km (0.075 R)
• M20: 32,952,073 km (0.075 R)
• M21: 35,310,034 km (0.084 R)
• M22: 36,194,756 km (0.112 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: 184 - 19,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit