🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.61 AU - 0.95 AU

Year: 264 Days

Day: 37.6 Hours

Environment

Temp: 108 °C

Axial Tilt: 31.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.88 AU - 1.22 AU

Year: 412 Days

Day: 20.3 Hours

Environment

Temp: 5 °C

Axial Tilt: 9.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.2

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.39 AU - 2.07 AU

Year: 871 Days

Day: 20.7 Hours

Environment

Temp: -70 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.13

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.37 AU - 2.17 AU

Year: 902 Days

Day: 33.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 2.85 AU - 3.33 AU

Year: 2080 Days

Day: 30.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 110.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.82 AU - 4.4 AU

Year: 2626 Days

Day: 39.2 Hours

Environment

Temp: -125 °C

Axial Tilt: 1.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.39 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.9

Radius: 14.8

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 4.52 AU - 5.82 AU

Year: 4501 Days

Day: 5.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 89,273,514 km

• M1: 184,005 km (0.061 R)
• M2: 935,884 km (0.105 R)
• M3: 1,897,350 km (0.088 R)
• M4: 2,442,185 km (0.117 R)
• M5: 8,206,042 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 75.3

Radius: 13.1

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 8.93 AU - 12.09 AU

Year: 13046 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,273,514 km

• M1: 167,699 km (0.088 R)
• M2: 1,272,330 km (0.112 R)
• M3: 2,564,407 km (0.119 R)
• M4: 3,310,601 km (0.073 R)
• M5: 5,052,070 km (0.097 R)
• M6: 7,543,772 km (0.114 R)
• M7: 13,907,665 km (0.085 R)
• M8: 21,801,496 km (0.042 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.3

Radius: 7.2

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 15.87 AU - 19.51 AU

Year: 28488 Days

Day: 16 Hours

Environment

Temp: -192 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,273,514 km

• M1: 100,679 km (0.107 R)
• M2: 1,433,447 km (0.112 R)
• M3: 2,772,198 km (0.082 R)
• M4: 3,412,477 km (0.103 R)
• M5: 4,570,514 km (0.061 R)
• M6: 4,944,658 km (0.114 R)
• M7: 5,178,929 km (0.078 R)
• M8: 7,532,253 km (0.12 R)
• M9: 9,348,820 km (0.073 R)
• M10: 15,501,331 km (0.115 R)
• M11: 16,605,812 km (0.118 R)
• M12: 18,128,120 km (0.084 R)
• M13: 26,912,807 km (0.118 R)
• M14: 35,791,291 km (0.118 R)
• M15: 37,264,381 km (0.105 R)
• M16: 47,661,283 km (0.077 R)
• M17: 49,442,844 km (0.11 R)
• M18: 52,572,581 km (0.106 R)
• M19: 59,631,207 km (0.073 R)
• M20: 61,281,272 km (0.099 R)
• M21: 70,445,787 km (0.101 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 14,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit