🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.47 AU - 0.63 AU

Year: 146 Days

Day: 40.7 Hours

Environment

Temp: 263 °C

Axial Tilt: 18.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,465,109 km

• M1: 38,147 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.67

Radius: 0.85

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.06 AU - 2.16 AU

Year: 1098 Days

Day: 39.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,465,109 km

• M1: 764,744 km (0.084 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.92 AU - 2.68 AU

Year: 1249 Days

Day: 37.9 Hours

Environment

Temp: -74 °C

Axial Tilt: 35.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 3 AU - 4.12 AU

Year: 2406 Days

Day: 26.1 Hours

Environment

Temp: -109 °C

Axial Tilt: 15.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,465,109 km

• M1: 3,380,613 km (0.116 R)

Asteroid Belt

Center: 5.07 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 567.3

Radius: 8.5

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5 AU - 8.16 AU

Year: 6045 Days

Day: 5.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 42,465,109 km

• M1: 105,766 km (0.107 R)
• M2: 402,717 km (0.084 R)
• M3: 716,275 km (0.092 R)
• M4: 1,516,623 km (0.115 R)
• M5: 1,797,269 km (0.09 R)
• M6: 2,112,771 km (0.039 R)
• M7: 2,516,236 km (0.09 R)
• M8: 2,782,670 km (0.103 R)
• M9: 4,935,383 km (0.115 R)
• M10: 6,364,193 km (0.12 R)
• M11: 9,453,837 km (0.085 R)
• M12: 9,883,333 km (0.116 R)
• M13: 10,191,654 km (0.078 R)
• M14: 11,732,363 km (0.048 R)
• M15: 12,738,558 km (0.092 R)
• M16: 14,466,264 km (0.054 R)
• M17: 15,980,793 km (0.067 R)
• M18: 16,344,764 km (0.071 R)
• M19: 25,823,584 km (0.047 R)
• M20: 26,662,978 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.5

Radius: 13.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 8.91 AU - 12.17 AU

Year: 12256 Days

Day: 10.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 42,465,109 km

• M1: 169,943 km (0.099 R)
• M2: 684,261 km (0.036 R)
• M3: 1,338,751 km (0.066 R)
• M4: 2,919,103 km (0.073 R)
• M5: 3,783,181 km (0.054 R)
• M6: 5,306,386 km (0.099 R)
• M7: 6,754,194 km (0.058 R)
• M8: 9,475,380 km (0.091 R)
• M9: 10,800,368 km (0.056 R)
• M10: 11,363,753 km (0.117 R)
• M11: 12,549,616 km (0.099 R)
• M12: 13,236,120 km (0.08 R)
• M13: 14,079,553 km (0.089 R)
• M14: 15,306,256 km (0.03 R)
• M15: 16,677,171 km (0.092 R)
• M16: 17,430,845 km (0.117 R)
• M17: 17,893,850 km (0.11 R)
• M18: 18,444,520 km (0.107 R)
• M19: 20,080,073 km (0.049 R)
• M20: 21,544,936 km (0.109 R)
• M21: 23,921,298 km (0.055 R)
• M22: 24,977,459 km (0.11 R)
• M23: 33,259,795 km (0.04 R)
• M24: 35,677,297 km (0.096 R)
• M25: 40,320,067 km (0.097 R)
• M26: 43,488,400 km (0.05 R)
• M27: 49,542,028 km (0.113 R)
• M28: 54,804,881 km (0.04 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.9

Radius: 9.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 9.62 AU - 12.1 AU

Year: 12818 Days

Day: 9.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,465,109 km

• M1: 118,332 km (0.056 R)
• M2: 499,058 km (0.105 R)
• M3: 2,217,040 km (0.079 R)
• M4: 2,612,128 km (0.029 R)
• M5: 4,595,946 km (0.096 R)
• M6: 4,927,155 km (0.101 R)
• M7: 7,262,229 km (0.065 R)
• M8: 11,849,348 km (0.104 R)
• M9: 13,061,988 km (0.038 R)
• M10: 17,775,668 km (0.068 R)
• M11: 24,138,963 km (0.107 R)
• M12: 25,236,263 km (0.106 R)
• M13: 33,192,327 km (0.099 R)
• M14: 35,123,934 km (0.119 R)
• M15: 44,274,836 km (0.079 R)
• M16: 46,194,476 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.7

Radius: 8.5

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 12.04 AU - 13.34 AU

Year: 16191 Days

Day: 11.7 Hours

Environment

Temp: -175 °C

Axial Tilt: 92.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 42,465,109 km

• M1: 105,766 km (0.068 R)
• M2: 3,380,463 km (0.109 R)
• M3: 3,838,532 km (0.1 R)
• M4: 6,340,855 km (0.113 R)
• M5: 7,745,729 km (0.116 R)
• M6: 8,285,328 km (0.119 R)
• M7: 8,586,170 km (0.071 R)
• M8: 9,393,250 km (0.108 R)
• M9: 10,397,800 km (0.113 R)
• M10: 11,900,511 km (0.119 R)
• M11: 14,822,606 km (0.053 R)
• M12: 15,138,856 km (0.068 R)
• M13: 19,519,680 km (0.118 R)
• M14: 22,533,927 km (0.114 R)
• M15: 40,218,640 km (0.092 R)

Kuiper Belt

Range: 30.6 - 47.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 11,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit