🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.83 AU - 0.91 AU

Year: 301 Days

Day: 33.5 Hours

Environment

Temp: 85 °C

Axial Tilt: 10 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 40,061,138 km

• M1: 218,263 km (0.027 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.1

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.89 AU - 0.95 AU

Year: 327 Days

Day: 31.4 Hours

Environment

Temp: 24 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.09 AU - 1.75 AU

Year: 628 Days

Day: 29.1 Hours

Environment

Temp: -30 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 40,061,138 km

• M1: 43,683 km (0.066 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.05

Radius: 1.33

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.52 AU - 2.26 AU

Year: 964 Days

Day: 27.3 Hours

Environment

Temp: -57 °C

Axial Tilt: 9.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.28

Radius: 1.1

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.89 AU - 2.57 AU

Year: 1235 Days

Day: 13.6 Hours

Environment

Temp: -90 °C

Axial Tilt: 24.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.76 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.7

Radius: 13.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 5.58 AU - 8.98 AU

Year: 7285 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 40,061,138 km

• M1: 165,455 km (0.11 R)
• M2: 808,427 km (0.085 R)
• M3: 1,572,124 km (0.096 R)
• M4: 2,061,608 km (0.096 R)
• M5: 2,495,143 km (0.067 R)
• M6: 3,089,046 km (0.093 R)
• M7: 4,156,726 km (0.079 R)
• M8: 5,606,928 km (0.093 R)
• M9: 7,262,677 km (0.117 R)
• M10: 7,817,835 km (0.117 R)
• M11: 8,521,394 km (0.084 R)
• M12: 10,236,533 km (0.101 R)
• M13: 11,127,389 km (0.089 R)
• M14: 12,222,744 km (0.083 R)
• M15: 13,388,860 km (0.116 R)
• M16: 14,397,000 km (0.109 R)
• M17: 15,941,747 km (0.063 R)
• M18: 17,138,680 km (0.074 R)
• M19: 18,530,389 km (0.093 R)
• M20: 19,288,850 km (0.12 R)
• M21: 20,211,720 km (0.058 R)
• M22: 23,475,047 km (0.055 R)
• M23: 26,986,857 km (0.115 R)
• M24: 28,867,901 km (0.095 R)
• M25: 32,194,808 km (0.035 R)
• M26: 33,797,749 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.8

Radius: 13.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.39 AU - 11.09 AU

Year: 12152 Days

Day: 7.9 Hours

Environment

Temp: -185 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,061,138 km

• M1: 171,738 km (0.076 R)
• M2: 685,906 km (0.072 R)
• M3: 2,092,575 km (0.056 R)
• M4: 2,559,021 km (0.033 R)
• M5: 4,834,554 km (0.099 R)
• M6: 5,968,656 km (0.045 R)
• M7: 6,998,188 km (0.114 R)
• M8: 8,536,204 km (0.032 R)
• M9: 9,080,591 km (0.069 R)
• M10: 13,323,635 km (0.09 R)
• M11: 15,340,514 km (0.107 R)
• M12: 17,844,632 km (0.105 R)
• M13: 19,425,284 km (0.118 R)
• M14: 22,010,784 km (0.056 R)
• M15: 23,386,037 km (0.089 R)
• M16: 24,364,257 km (0.115 R)
• M17: 26,785,050 km (0.098 R)
• M18: 32,208,721 km (0.107 R)
• M19: 33,867,462 km (0.105 R)
• M20: 42,629,110 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 545.1

Radius: 3.3

Gravity: 50.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 17.28 AU - 18.54 AU

Year: 28109 Days

Day: 19.3 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 40,061,138 km

• M1: 48,021 km (0.063 R)
• M2: 506,838 km (0.053 R)
• M3: 969,843 km (0.099 R)
• M4: 1,840,203 km (0.086 R)
• M5: 2,404,786 km (0.119 R)
• M6: 2,599,712 km (0.108 R)
• M7: 5,367,572 km (0.095 R)
• M8: 5,828,782 km (0.071 R)
• M9: 7,370,089 km (0.033 R)
• M10: 7,573,691 km (0.083 R)
• M11: 10,067,039 km (0.094 R)
• M12: 15,240,133 km (0.112 R)
• M13: 16,417,319 km (0.105 R)
• M14: 20,014,101 km (0.048 R)
• M15: 36,753,055 km (0.066 R)
• M16: 37,796,351 km (0.078 R)
• M17: 41,043,971 km (0.087 R)
• M18: 41,843,721 km (0.083 R)
• M19: 61,752,056 km (0.105 R)
• M20: 67,560,792 km (0.085 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 43.9

Radius: 3.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 15.96 AU - 21.6 AU

Year: 30182 Days

Day: 23.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 40,061,138 km

• M1: 47,423 km (0.114 R)
• M2: 205,099 km (0.029 R)
• M3: 593,455 km (0.112 R)
• M4: 1,182,571 km (0.106 R)
• M5: 1,309,879 km (0.107 R)
• M6: 1,446,312 km (0.117 R)
• M7: 2,225,568 km (0.094 R)
• M8: 7,614,681 km (0.036 R)
• M9: 8,561,187 km (0.078 R)
• M10: 10,884,591 km (0.064 R)
• M11: 15,232,654 km (0.077 R)
• M12: 16,459,805 km (0.031 R)
• M13: 18,314,968 km (0.109 R)
• M14: 21,549,424 km (0.084 R)
• M15: 29,314,750 km (0.108 R)
• M16: 33,070,404 km (0.061 R)
• M17: 38,171,093 km (0.076 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 201 - 15,800 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit