🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 0.42 AU - 0.58 AU

Year: 158 Days

Day: 28.5 Hours

Environment

Temp: 20 °C

Axial Tilt: 4.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 22,820,001 km

• M1: 59,989 km (0.101 R)
• M2: 126,261 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.7

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.67 AU - 0.71 AU

Year: 256 Days

Day: 34.7 Hours

Environment

Temp: -21 °C

Axial Tilt: 49.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.8 AU - 0.92 AU

Year: 356 Days

Day: 45.2 Hours

Environment

Temp: -46 °C

Axial Tilt: 45.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.93 AU - 1.15 AU

Year: 473 Days

Day: 41.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 33.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.98 AU - 1.14 AU

Year: 487 Days

Day: 42.4 Hours

Environment

Temp: -73 °C

Axial Tilt: 36.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.58 AU - 1.6 AU

Year: 895 Days

Day: 39.3 Hours

Environment

Temp: -106 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 22,820,001 km

• M1: 23,188 km (0.067 R)

Planet 7 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 1.55 AU - 1.87 AU

Year: 998 Days

Day: 25.2 Hours

Environment

Temp: -122 °C

Axial Tilt: 45 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.23 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 11.3

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.11 AU - 3.39 AU

Year: 2035 Days

Day: 6.8 Hours

Environment

Temp: -139 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 22,820,001 km

• M1: 160,219 km (0.052 R)
• M2: 630,705 km (0.058 R)
• M3: 1,351,766 km (0.108 R)
• M4: 1,926,821 km (0.083 R)
• M5: 3,405,596 km (0.09 R)
• M6: 4,597,143 km (0.102 R)
• M7: 5,952,350 km (0.039 R)
• M8: 8,705,250 km (0.047 R)
• M9: 11,867,898 km (0.088 R)
• M10: 12,369,350 km (0.09 R)
• M11: 13,874,305 km (0.109 R)

Asteroid Belt

Center: 4.55 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Gas Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 10.3

Gravity: 4.4 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 5.66 AU - 7.04 AU

Year: 7140 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 128 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 22,820,001 km

• M1: 128,056 km (0.09 R)
• M2: 665,262 km (0.071 R)
• M3: 1,197,381 km (0.066 R)
• M4: 1,747,004 km (0.098 R)
• M5: 6,409,970 km (0.065 R)
• M6: 9,010,130 km (0.095 R)
• M7: 9,346,277 km (0.066 R)
• M8: 10,729,010 km (0.096 R)
• M9: 13,840,496 km (0.039 R)
• M10: 14,516,678 km (0.114 R)
• M11: 16,241,542 km (0.047 R)
• M12: 25,841,985 km (0.066 R)
• M13: 26,351,067 km (0.029 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 14.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.21 AU - 7.71 AU

Year: 7327 Days

Day: 7.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 22,820,001 km

• M1: 184,454 km (0.053 R)
• M2: 649,704 km (0.091 R)
• M3: 1,113,607 km (0.104 R)
• M4: 2,233,047 km (0.072 R)
• M5: 4,116,784 km (0.082 R)
• M6: 5,024,693 km (0.113 R)
• M7: 6,429,118 km (0.06 R)
• M8: 6,992,055 km (0.113 R)
• M9: 7,981,495 km (0.077 R)
• M10: 9,771,883 km (0.099 R)
• M11: 14,431,707 km (0.101 R)
• M12: 15,609,790 km (0.115 R)
• M13: 17,241,903 km (0.089 R)
• M14: 19,837,725 km (0.067 R)
• M15: 20,715,715 km (0.095 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 183 - 11,978 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit