🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.47 AU - 0.59 AU

Year: 145 Days

Day: 27.5 Hours

Environment

Temp: 151 °C

Axial Tilt: 0.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,012,352 km

• M1: 20,345 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.48 AU - 0.6 AU

Year: 149 Days

Day: 17.6 Hours

Environment

Temp: 189 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.49 AU - 0.77 AU

Year: 187 Days

Day: 31 Hours

Environment

Temp: 184 °C

Axial Tilt: 6.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,012,352 km

• M1: 128,355 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.9 AU - 1.04 AU

Year: 358 Days

Day: 20.6 Hours

Environment

Temp: 22 °C

Axial Tilt: 47.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.3 AU - 1.98 AU

Year: 787 Days

Day: 33.8 Hours

Environment

Temp: -51 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.96 AU - 2.34 AU

Year: 1181 Days

Day: 36 Hours

Environment

Temp: -78 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 57,012,352 km

• M1: 243,845 km (0.103 R)
• M2: 499,507 km (0.084 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.03 AU - 2.75 AU

Year: 1385 Days

Day: 35.6 Hours

Environment

Temp: -87 °C

Axial Tilt: 47.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 11

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.06 AU - 8.18 AU

Year: 6383 Days

Day: 9.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 57,012,352 km

• M1: 136,882 km (0.119 R)
• M2: 533,466 km (0.107 R)
• M3: 2,360,654 km (0.116 R)
• M4: 3,252,856 km (0.106 R)
• M5: 3,970,926 km (0.083 R)
• M6: 5,255,972 km (0.109 R)
• M7: 5,892,959 km (0.116 R)
• M8: 6,674,159 km (0.054 R)
• M9: 9,238,267 km (0.061 R)
• M10: 10,292,034 km (0.052 R)
• M11: 12,020,638 km (0.088 R)
• M12: 14,509,946 km (0.118 R)
• M13: 25,681,915 km (0.117 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 482.2

Radius: 13.9

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 9.07 AU - 14.81 AU

Year: 15461 Days

Day: 9.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,012,352 km

• M1: 172,935 km (0.101 R)
• M2: 846,574 km (0.094 R)
• M3: 1,801,458 km (0.107 R)
• M4: 4,061,732 km (0.066 R)
• M5: 5,456,582 km (0.114 R)
• M6: 6,074,122 km (0.119 R)
• M7: 7,846,558 km (0.103 R)
• M8: 10,699,090 km (0.108 R)
• M9: 11,493,904 km (0.109 R)
• M10: 13,523,648 km (0.092 R)
• M11: 16,737,907 km (0.107 R)
• M12: 26,122,032 km (0.092 R)
• M13: 29,274,658 km (0.088 R)
• M14: 36,452,214 km (0.082 R)
• M15: 38,381,578 km (0.045 R)
• M16: 49,523,777 km (0.069 R)
• M17: 54,658,424 km (0.061 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: 348 - 14,545 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit