🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.23 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.88

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1 AU - 1.46 AU

Year: 509 Days

Day: 25.1 Hours

Environment

Temp: -21 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 2.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Terrestrial

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.85

Radius: 0.94

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 3.07 AU - 4.53 AU

Year: 2761 Days

Day: 42.4 Hours

Environment

Temp: -126 °C

Axial Tilt: 56.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.25

Radius: 0.57

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.93 AU - 4.71 AU

Year: 2783 Days

Day: 23.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.37 AU - 5.53 AU

Year: 3499 Days

Day: 30 Hours

Environment

Temp: -136 °C

Axial Tilt: 38.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 771.5

Radius: 14.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 4.71 AU - 7.41 AU

Year: 5561 Days

Day: 8.4 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,619,687 km

• M1: 191,635 km (0.11 R)
• M2: 1,027,737 km (0.042 R)
• M3: 1,514,080 km (0.113 R)
• M4: 2,053,680 km (0.054 R)
• M5: 2,850,887 km (0.071 R)
• M6: 3,666,494 km (0.099 R)
• M7: 4,738,812 km (0.069 R)
• M8: 6,265,757 km (0.116 R)
• M9: 6,899,155 km (0.114 R)
• M10: 8,611,003 km (0.113 R)
• M11: 9,100,936 km (0.107 R)
• M12: 10,047,891 km (0.062 R)
• M13: 11,395,468 km (0.066 R)
• M14: 13,941,774 km (0.117 R)
• M15: 14,791,938 km (0.109 R)
• M16: 18,208,155 km (0.115 R)
• M17: 19,571,291 km (0.107 R)
• M18: 21,369,757 km (0.06 R)
• M19: 23,197,843 km (0.099 R)
• M20: 24,230,517 km (0.051 R)
• M21: 25,045,526 km (0.087 R)
• M22: 25,543,238 km (0.114 R)
• M23: 33,524,584 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.2

Radius: 14.2

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.76 AU - 8.9 AU

Year: 8168 Days

Day: 6.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,619,687 km

• M1: 176,675 km (0.053 R)
• M2: 846,574 km (0.027 R)
• M3: 1,515,277 km (0.045 R)
• M4: 2,006,855 km (0.097 R)
• M5: 4,192,929 km (0.116 R)
• M6: 5,316,858 km (0.113 R)
• M7: 8,524,535 km (0.074 R)
• M8: 9,737,774 km (0.098 R)
• M9: 10,929,770 km (0.062 R)
• M10: 12,360,823 km (0.085 R)
• M11: 15,480,238 km (0.116 R)
• M12: 16,277,595 km (0.079 R)
• M13: 18,453,945 km (0.034 R)
• M14: 19,285,559 km (0.106 R)
• M15: 22,646,574 km (0.083 R)
• M16: 24,810,059 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.6

Radius: 8.1

Gravity: 10.75 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.9 AU - 12.34 AU

Year: 12902 Days

Day: 13.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,619,687 km

• M1: 113,096 km (0.056 R)
• M2: 367,412 km (0.11 R)
• M3: 1,317,957 km (0.113 R)
• M4: 2,103,196 km (0.103 R)
• M5: 2,817,526 km (0.115 R)
• M6: 3,711,224 km (0.079 R)
• M7: 5,495,328 km (0.098 R)
• M8: 6,434,204 km (0.12 R)
• M9: 7,345,555 km (0.092 R)
• M10: 8,821,338 km (0.066 R)
• M11: 9,422,571 km (0.114 R)
• M12: 19,409,277 km (0.076 R)
• M13: 32,610,391 km (0.092 R)
• M14: 34,287,383 km (0.111 R)
• M15: 34,899,986 km (0.086 R)
• M16: 43,828,735 km (0.107 R)
• M17: 48,738,089 km (0.118 R)
• M18: 51,086,177 km (0.083 R)
• M19: 51,724,810 km (0.115 R)
• M20: 52,368,679 km (0.11 R)
• M21: 56,175,646 km (0.029 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 371

Radius: 7.1

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 12.24 AU - 17.86 AU

Year: 21765 Days

Day: 24.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,619,687 km

• M1: 124,465 km (0.099 R)
• M2: 398,978 km (0.074 R)
• M3: 1,063,790 km (0.04 R)
• M4: 1,911,262 km (0.114 R)
• M5: 2,873,925 km (0.098 R)
• M6: 3,222,787 km (0.097 R)
• M7: 3,461,844 km (0.106 R)
• M8: 4,188,591 km (0.099 R)
• M9: 4,571,861 km (0.101 R)
• M10: 4,805,981 km (0.115 R)
• M11: 9,355,851 km (0.093 R)
• M12: 15,706,280 km (0.05 R)
• M13: 16,396,375 km (0.103 R)
• M14: 19,100,058 km (0.064 R)
• M15: 21,336,396 km (0.094 R)
• M16: 23,542,666 km (0.102 R)
• M17: 28,290,902 km (0.071 R)
• M18: 32,397,812 km (0.099 R)
• M19: 34,657,040 km (0.05 R)
• M20: 39,486,508 km (0.102 R)
• M21: 41,047,113 km (0.085 R)
• M22: 44,290,993 km (0.09 R)
• M23: 48,500,527 km (0.033 R)
• M24: 58,794,058 km (0.094 R)
• M25: 62,905,755 km (0.084 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 338 - 15,905 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit