🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.92

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.84 AU - 0.88 AU

Year: 296 Days

Day: 35.1 Hours

Environment

Temp: 94 °C

Axial Tilt: 44.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 1.56 AU - 2 AU

Year: 881 Days

Day: 28.3 Hours

Environment

Temp: -52 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,253,973 km

• M1: 12,417 km (0.097 R)
• M2: 594,951 km (0.052 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 2.18 AU - 3.4 AU

Year: 1728 Days

Day: 43.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.26 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 11.8

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 5.47 AU - 5.99 AU

Year: 5087 Days

Day: 14.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 47.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 43,253,973 km

• M1: 146,756 km (0.097 R)
• M2: 557,102 km (0.118 R)
• M3: 925,113 km (0.085 R)
• M4: 1,320,052 km (0.119 R)
• M5: 1,779,616 km (0.092 R)
• M6: 2,197,294 km (0.105 R)
• M7: 3,196,906 km (0.101 R)
• M8: 5,341,392 km (0.103 R)
• M9: 5,728,102 km (0.12 R)
• M10: 6,682,986 km (0.087 R)
• M11: 7,986,731 km (0.083 R)
• M12: 9,979,973 km (0.08 R)
• M13: 10,741,426 km (0.079 R)
• M14: 13,612,658 km (0.074 R)
• M15: 14,075,813 km (0.118 R)
• M16: 14,763,365 km (0.12 R)
• M17: 16,377,825 km (0.112 R)
• M18: 18,856,961 km (0.064 R)
• M19: 21,369,009 km (0.107 R)
• M20: 24,021,828 km (0.063 R)
• M21: 24,775,053 km (0.092 R)
• M22: 25,621,478 km (0.102 R)
• M23: 26,091,365 km (0.047 R)
• M24: 26,806,891 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.1

Radius: 12.7

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.14 AU - 10.08 AU

Year: 10197 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 97.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 43,253,973 km

• M1: 157,975 km (0.117 R)
• M2: 623,374 km (0.105 R)
• M3: 2,510,103 km (0.091 R)
• M4: 3,174,168 km (0.094 R)
• M5: 4,799,698 km (0.047 R)
• M6: 6,442,881 km (0.099 R)
• M7: 10,291,286 km (0.116 R)
• M8: 11,340,416 km (0.099 R)
• M9: 12,407,199 km (0.067 R)
• M10: 13,428,952 km (0.099 R)
• M11: 14,332,074 km (0.051 R)
• M12: 17,615,299 km (0.082 R)
• M13: 20,845,715 km (0.104 R)
• M14: 26,142,527 km (0.043 R)
• M15: 26,752,138 km (0.112 R)
• M16: 29,286,177 km (0.09 R)
• M17: 29,849,413 km (0.037 R)
• M18: 32,075,279 km (0.068 R)
• M19: 32,673,821 km (0.112 R)
• M20: 34,409,904 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.2

Radius: 10.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 8.21 AU - 11.91 AU

Year: 11833 Days

Day: 9.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 43,253,973 km

• M1: 128,205 km (0.065 R)
• M2: 896,390 km (0.074 R)
• M3: 2,097,661 km (0.079 R)
• M4: 2,539,723 km (0.043 R)
• M5: 4,180,064 km (0.116 R)
• M6: 5,435,190 km (0.119 R)
• M7: 11,340,267 km (0.093 R)
• M8: 12,455,818 km (0.075 R)
• M9: 14,623,641 km (0.088 R)
• M10: 16,785,779 km (0.108 R)
• M11: 17,975,231 km (0.054 R)
• M12: 18,886,881 km (0.105 R)
• M13: 19,760,832 km (0.109 R)
• M14: 20,873,241 km (0.084 R)
• M15: 21,444,855 km (0.11 R)
• M16: 26,649,365 km (0.055 R)
• M17: 28,179,153 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 103.6

Radius: 6.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 13.66 AU - 16.8 AU

Year: 22042 Days

Day: 16.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 43,253,973 km

• M1: 83,775 km (0.082 R)
• M2: 555,606 km (0.076 R)
• M3: 1,082,640 km (0.098 R)
• M4: 2,489,757 km (0.098 R)
• M5: 3,991,122 km (0.115 R)
• M6: 4,798,202 km (0.105 R)
• M7: 6,956,899 km (0.105 R)
• M8: 9,882,286 km (0.107 R)
• M9: 16,466,686 km (0.1 R)
• M10: 18,223,115 km (0.098 R)
• M11: 20,256,449 km (0.103 R)
• M12: 22,021,405 km (0.081 R)
• M13: 22,687,714 km (0.098 R)
• M14: 23,367,487 km (0.096 R)
• M15: 23,625,992 km (0.103 R)
• M16: 24,148,387 km (0.058 R)
• M17: 25,670,695 km (0.055 R)
• M18: 26,223,011 km (0.109 R)
• M19: 28,413,423 km (0.056 R)
• M20: 31,033,181 km (0.099 R)
• M21: 33,919,522 km (0.092 R)
• M22: 34,250,881 km (0.081 R)
• M23: 35,371,070 km (0.059 R)
• M24: 36,747,221 km (0.051 R)
• M25: 37,802,484 km (0.082 R)
• M26: 43,253,980 km (0.101 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 13,361 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit