🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.98 AU - 1.1 AU

Year: 389 Days

Day: 23.4 Hours

Environment

Temp: 12 °C

Axial Tilt: 14.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 63,436,978 km

• M1: 453,431 km (0.096 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.89 AU - 1.29 AU

Year: 418 Days

Day: 28.9 Hours

Environment

Temp: 3 °C

Axial Tilt: 46.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.9 AU - 1.4 AU

Year: 453 Days

Day: 18.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 15.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.27 AU - 2.37 AU

Year: 1297 Days

Day: 37.1 Hours

Environment

Temp: -78 °C

Axial Tilt: 36.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.1

Radius: 1.04

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 2.94 AU - 4.38 AU

Year: 2570 Days

Day: 16.7 Hours

Environment

Temp: -124 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 63,436,978 km

• M1: 37,848 km (0.12 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.38 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 4.29 AU - 4.47 AU

Year: 3365 Days

Day: 43.2 Hours

Environment

Temp: -135 °C

Axial Tilt: 48.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 4.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.34 AU - 5.08 AU

Year: 3752 Days

Day: 20 Hours

Environment

Temp: -134 °C

Axial Tilt: 19.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.72 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87

Radius: 8.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 7.97 AU - 9.47 AU

Year: 9453 Days

Day: 11.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,436,978 km

• M1: 101,278 km (0.096 R)
• M2: 378,183 km (0.116 R)
• M3: 652,696 km (0.109 R)
• M4: 1,016,966 km (0.096 R)
• M5: 1,329,027 km (0.09 R)
• M6: 1,635,703 km (0.064 R)
• M7: 1,925,025 km (0.093 R)
• M8: 3,293,696 km (0.08 R)
• M9: 3,579,727 km (0.046 R)
• M10: 7,890,839 km (0.1 R)
• M11: 8,300,887 km (0.116 R)
• M12: 9,809,432 km (0.109 R)
• M13: 11,107,791 km (0.115 R)
• M14: 12,064,470 km (0.118 R)
• M15: 12,379,972 km (0.078 R)
• M16: 13,992,188 km (0.086 R)
• M17: 14,390,866 km (0.108 R)
• M18: 17,569,971 km (0.038 R)
• M19: 20,162,203 km (0.103 R)
• M20: 22,452,247 km (0.12 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.4

Radius: 13.4

Gravity: 0.33 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 8.7 AU - 10 AU

Year: 10495 Days

Day: 9.2 Hours

Environment

Temp: -181 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,436,978 km

• M1: 172,636 km (0.068 R)
• M2: 1,062,145 km (0.032 R)
• M3: 1,861,746 km (0.068 R)
• M4: 3,206,630 km (0.118 R)
• M5: 4,472,976 km (0.087 R)
• M6: 6,994,897 km (0.061 R)
• M7: 8,786,481 km (0.091 R)
• M8: 15,305,957 km (0.11 R)
• M9: 18,354,462 km (0.06 R)

Planet 10 - Gas Giant

Semi-Major Axis: 11.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.8

Radius: 8.5

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 10.49 AU - 11.99 AU

Year: 13833 Days

Day: 8.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 63,436,978 km

• M1: 105,766 km (0.117 R)
• M2: 500,255 km (0.073 R)
• M3: 807,978 km (0.049 R)
• M4: 1,257,819 km (0.112 R)
• M5: 1,634,357 km (0.1 R)
• M6: 2,529,550 km (0.072 R)
• M7: 2,987,170 km (0.115 R)
• M8: 4,375,439 km (0.111 R)
• M9: 8,261,991 km (0.083 R)
• M10: 9,749,443 km (0.059 R)
• M11: 10,245,210 km (0.099 R)
• M12: 11,589,048 km (0.082 R)
• M13: 12,145,552 km (0.114 R)
• M14: 16,016,995 km (0.105 R)
• M15: 16,398,320 km (0.101 R)
• M16: 17,578,498 km (0.108 R)
• M17: 22,108,770 km (0.074 R)
• M18: 22,964,769 km (0.102 R)
• M19: 24,440,103 km (0.053 R)
• M20: 27,906,585 km (0.049 R)
• M21: 30,507,793 km (0.096 R)
• M22: 34,137,935 km (0.036 R)
• M23: 37,241,642 km (0.076 R)
• M24: 37,642,415 km (0.097 R)
• M25: 40,952,567 km (0.051 R)
• M26: 43,707,112 km (0.111 R)
• M27: 46,582,683 km (0.095 R)
• M28: 49,100,116 km (0.089 R)
• M29: 51,872,762 km (0.049 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: 384 - 15,863 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit