🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.56 AU - 0.58 AU

Year: 163 Days

Day: 15.3 Hours

Environment

Temp: 129 °C

Axial Tilt: 5.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 62,061,097 km

• M1: 44,879 km (0.095 R)
• M2: 119,977 km (0.084 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.66 AU - 1.02 AU

Year: 292 Days

Day: 18.8 Hours

Environment

Temp: 37 °C

Axial Tilt: 10.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 62,061,097 km

• M1: 38,895 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.86 AU - 1.18 AU

Year: 390 Days

Day: 23.5 Hours

Environment

Temp: -4 °C

Axial Tilt: 18.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.11 AU - 1.19 AU

Year: 467 Days

Day: 31.3 Hours

Environment

Temp: -9 °C

Axial Tilt: 6.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.22

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.42 AU - 1.62 AU

Year: 710 Days

Day: 27.4 Hours

Environment

Temp: -52 °C

Axial Tilt: 3.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.02 AU - 2.56 AU

Year: 1313 Days

Day: 22.1 Hours

Environment

Temp: -83 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.4 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.6

Radius: 11.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 6.38 AU - 6.62 AU

Year: 6277 Days

Day: 10.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,061,097 km

• M1: 148,850 km (0.074 R)
• M2: 1,058,255 km (0.07 R)
• M3: 2,963,235 km (0.083 R)
• M4: 3,601,120 km (0.046 R)
• M5: 4,279,097 km (0.094 R)
• M6: 5,497,871 km (0.12 R)
• M7: 7,109,489 km (0.104 R)
• M8: 11,532,201 km (0.119 R)
• M9: 15,472,010 km (0.12 R)
• M10: 16,318,734 km (0.119 R)
• M11: 17,516,863 km (0.073 R)
• M12: 20,017,093 km (0.053 R)
• M13: 21,022,390 km (0.096 R)
• M14: 21,910,553 km (0.094 R)

Asteroid Belt

Center: 9.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 12.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.6

Radius: 4.9

Gravity: 23.89 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 10.62 AU - 13.74 AU

Year: 16100 Days

Day: 16.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,061,097 km

• M1: 155,283 km (0.083 R)
• M2: 344,524 km (0.031 R)
• M3: 499,806 km (0.081 R)
• M4: 865,573 km (0.113 R)
• M5: 1,350,420 km (0.041 R)
• M6: 2,130,872 km (0.09 R)
• M7: 2,370,977 km (0.042 R)
• M8: 3,682,501 km (0.092 R)
• M9: 5,561,450 km (0.118 R)
• M10: 7,857,479 km (0.081 R)
• M11: 11,725,182 km (0.102 R)
• M12: 12,859,283 km (0.114 R)
• M13: 13,120,930 km (0.11 R)
• M14: 13,654,845 km (0.115 R)
• M15: 14,203,121 km (0.103 R)
• M16: 14,980,731 km (0.083 R)
• M17: 22,157,838 km (0.108 R)
• M18: 22,345,434 km (0.07 R)
• M19: 27,492,947 km (0.1 R)
• M20: 27,709,565 km (0.099 R)
• M21: 27,927,230 km (0.106 R)
• M22: 28,921,008 km (0.116 R)
• M23: 36,286,160 km (0.114 R)
• M24: 45,864,314 km (0.095 R)
• M25: 49,770,464 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 18,931 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit