🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 0.6 AU - 0.64 AU

Year: 179 Days

Day: 43.3 Hours

Environment

Temp: 146 °C

Axial Tilt: 15.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.58 AU - 0.88 AU

Year: 229 Days

Day: 44.9 Hours

Environment

Temp: 108 °C

Axial Tilt: 4.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.58 AU - 0.9 AU

Year: 234 Days

Day: 34.9 Hours

Environment

Temp: 176 °C

Axial Tilt: 14.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.97 AU - 1.43 AU

Year: 483 Days

Day: 38.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 6.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.65

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.72 AU - 2.76 AU

Year: 1231 Days

Day: 19.2 Hours

Environment

Temp: -85 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 55,549,211 km

• M1: 2,116,062 km (0.064 R)

Asteroid Belt

Center: 4.32 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 683.7

Radius: 12.3

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 6.33 AU - 6.47 AU

Year: 5944 Days

Day: 7.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,549,211 km

• M1: 153,039 km (0.107 R)
• M2: 619,036 km (0.059 R)
• M3: 1,027,139 km (0.074 R)
• M4: 2,002,667 km (0.107 R)
• M5: 3,143,500 km (0.051 R)
• M6: 4,094,643 km (0.114 R)
• M7: 6,628,532 km (0.079 R)
• M8: 7,325,509 km (0.071 R)
• M9: 8,784,237 km (0.108 R)
• M10: 9,410,454 km (0.115 R)
• M11: 10,846,145 km (0.078 R)
• M12: 13,266,638 km (0.055 R)
• M13: 14,545,551 km (0.106 R)
• M14: 14,950,662 km (0.104 R)
• M15: 16,335,190 km (0.114 R)
• M16: 19,637,413 km (0.085 R)
• M17: 23,360,904 km (0.049 R)
• M18: 23,997,443 km (0.082 R)
• M19: 28,872,539 km (0.093 R)
• M20: 30,163,867 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 961

Radius: 3.1

Gravity: 100 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 11.13 AU - 13.89 AU

Year: 16243 Days

Day: 19.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 55,549,211 km

• M1: 38,596 km (0.092 R)
• M2: 145,409 km (0.107 R)
• M3: 415,583 km (0.089 R)
• M4: 940,223 km (0.078 R)
• M5: 1,902,586 km (0.087 R)
• M6: 2,849,690 km (0.087 R)
• M7: 3,108,195 km (0.094 R)
• M8: 4,998,065 km (0.118 R)
• M9: 5,183,566 km (0.039 R)
• M10: 5,848,678 km (0.086 R)
• M11: 6,013,086 km (0.09 R)
• M12: 6,180,636 km (0.047 R)
• M13: 6,351,327 km (0.061 R)
• M14: 6,701,835 km (0.093 R)
• M15: 7,065,208 km (0.112 R)
• M16: 7,204,933 km (0.044 R)
• M17: 8,183,004 km (0.102 R)
• M18: 8,597,988 km (0.116 R)
• M19: 10,102,045 km (0.087 R)
• M20: 14,951,110 km (0.052 R)
• M21: 15,258,534 km (0.098 R)
• M22: 19,283,614 km (0.04 R)
• M23: 19,647,885 km (0.064 R)
• M24: 20,109,544 km (0.093 R)
• M25: 24,702,199 km (0.061 R)
• M26: 25,239,854 km (0.101 R)
• M27: 27,814,134 km (0.098 R)
• M28: 28,985,934 km (0.113 R)
• M29: 30,190,346 km (0.1 R)
• M30: 31,177,393 km (0.117 R)
• M31: 34,936,189 km (0.083 R)
• M32: 36,854,333 km (0.097 R)
• M33: 37,133,931 km (0.034 R)
• M34: 41,048,309 km (0.082 R)
• M35: 43,961,877 km (0.076 R)
• M36: 46,194,925 km (0.053 R)
• M37: 47,339,199 km (0.062 R)
• M38: 53,702,943 km (0.052 R)
• M39: 58,121,765 km (0.118 R)
• M40: 70,215,107 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.2

Radius: 7.1

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 13.62 AU - 18.16 AU

Year: 23252 Days

Day: 15.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 55,549,211 km

• M1: 88,263 km (0.091 R)
• M2: 341,981 km (0.047 R)
• M3: 587,321 km (0.054 R)
• M4: 845,378 km (0.103 R)
• M5: 1,074,412 km (0.088 R)
• M6: 1,615,956 km (0.084 R)
• M7: 1,855,014 km (0.078 R)
• M8: 2,365,741 km (0.085 R)
• M9: 3,155,617 km (0.114 R)
• M10: 7,316,233 km (0.105 R)
• M11: 8,298,493 km (0.055 R)
• M12: 10,965,524 km (0.108 R)
• M13: 14,901,294 km (0.114 R)
• M14: 22,380,589 km (0.106 R)
• M15: 34,752,782 km (0.081 R)
• M16: 40,384,693 km (0.044 R)
• M17: 42,574,806 km (0.07 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 224 - 19,687 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit