🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.65

Radius: 0.84

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.84 AU - 1.14 AU

Year: 375 Days

Day: 33.8 Hours

Environment

Temp: 18 °C

Axial Tilt: 42.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 57,328,728 km

• M1: 91,853 km (0.071 R)
• M2: 172,486 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.06 AU - 1.54 AU

Year: 564 Days

Day: 16.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.85 AU - 2.29 AU

Year: 1134 Days

Day: 37.9 Hours

Environment

Temp: -73 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 57,328,728 km

• M1: 456,722 km (0.12 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.89 AU - 2.61 AU

Year: 1285 Days

Day: 17.2 Hours

Environment

Temp: -93 °C

Axial Tilt: 38 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.16 AU - 4.52 AU

Year: 2865 Days

Day: 33.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 29.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 13.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 31.2

Radius: 3.6

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 11.94 AU - 14.34 AU

Year: 18138 Days

Day: 16.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 57,328,728 km

• M1: 141,220 km (0.085 R)
• M2: 1,783,655 km (0.05 R)
• M3: 2,855,375 km (0.109 R)
• M4: 3,356,827 km (0.105 R)
• M5: 5,398,239 km (0.072 R)
• M6: 6,896,163 km (0.07 R)
• M7: 7,518,639 km (0.119 R)
• M8: 13,701,819 km (0.062 R)
• M9: 16,322,923 km (0.089 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.2

Radius: 5.5

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 14.83 AU - 19.33 AU

Year: 26880 Days

Day: 19.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 57,328,728 km

• M1: 89,759 km (0.039 R)
• M2: 261,647 km (0.064 R)
• M3: 540,348 km (0.12 R)
• M4: 711,936 km (0.092 R)
• M5: 2,144,934 km (0.108 R)
• M6: 2,460,885 km (0.112 R)
• M7: 3,543,974 km (0.097 R)
• M8: 3,872,191 km (0.099 R)
• M9: 4,846,971 km (0.07 R)
• M10: 5,862,890 km (0.093 R)
• M11: 7,097,821 km (0.065 R)
• M12: 8,984,998 km (0.093 R)
• M13: 9,595,058 km (0.107 R)
• M14: 10,016,924 km (0.084 R)
• M15: 11,768,715 km (0.037 R)
• M16: 16,831,705 km (0.093 R)
• M17: 20,736,210 km (0.103 R)
• M18: 23,745,221 km (0.079 R)
• M19: 26,619,146 km (0.052 R)
• M20: 32,927,539 km (0.101 R)
• M21: 38,428,402 km (0.066 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: 364 - 15,161 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit