🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.62

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.61 AU - 0.69 AU

Year: 344 Days

Day: 16.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 0.94 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.5

Radius: 9.6

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.21 AU - 1.23 AU

Year: 884 Days

Day: 7.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,882,171 km

• M1: 121,324 km (0.1 R)
• M2: 568,023 km (0.109 R)
• M3: 926,011 km (0.111 R)
• M4: 1,603,540 km (0.085 R)
• M5: 2,068,041 km (0.088 R)
• M6: 2,574,879 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.1

Radius: 10.1

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.18 AU - 1.3 AU

Year: 906 Days

Day: 10 Hours

Environment

Temp: -175 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 52,882,171 km

• M1: 125,662 km (0.114 R)
• M2: 539,001 km (0.117 R)
• M3: 1,199,476 km (0.092 R)
• M4: 1,627,326 km (0.114 R)
• M5: 3,979,902 km (0.074 R)
• M6: 7,122,654 km (0.104 R)
• M7: 8,210,679 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.1

Radius: 15

Gravity: 4.37 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.18 AU - 1.5 AU

Year: 1018 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,882,171 km

• M1: 186,549 km (0.062 R)
• M2: 709,991 km (0.087 R)
• M3: 1,215,782 km (0.058 R)
• M4: 2,169,917 km (0.075 R)
• M5: 3,552,501 km (0.06 R)
• M6: 4,830,964 km (0.115 R)
• M7: 5,421,576 km (0.078 R)
• M8: 5,950,405 km (0.098 R)
• M9: 7,087,648 km (0.072 R)
• M10: 7,826,512 km (0.05 R)
• M11: 8,393,189 km (0.118 R)
• M12: 9,339,245 km (0.12 R)
• M13: 9,977,580 km (0.116 R)
• M14: 11,106,296 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.7

Radius: 8.4

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.28 AU - 2.38 AU

Year: 2333 Days

Day: 8.5 Hours

Environment

Temp: -197 °C

Axial Tilt: 102.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,882,171 km

• M1: 106,065 km (0.111 R)
• M2: 661,223 km (0.091 R)
• M3: 938,128 km (0.107 R)
• M4: 1,790,088 km (0.119 R)
• M5: 2,099,457 km (0.088 R)
• M6: 4,005,184 km (0.107 R)
• M7: 5,481,864 km (0.093 R)
• M8: 6,069,634 km (0.059 R)
• M9: 6,900,950 km (0.064 R)
• M10: 10,513,738 km (0.108 R)
• M11: 12,454,172 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.6

Radius: 12.6

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.39 AU - 2.61 AU

Year: 2593 Days

Day: 8.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,882,171 km

• M1: 171,140 km (0.112 R)
• M2: 625,319 km (0.055 R)
• M3: 1,130,062 km (0.034 R)
• M4: 1,706,014 km (0.099 R)
• M5: 2,459,239 km (0.117 R)
• M6: 2,937,354 km (0.077 R)
• M7: 4,736,568 km (0.042 R)
• M8: 5,910,462 km (0.085 R)
• M9: 6,719,787 km (0.063 R)
• M10: 8,038,791 km (0.109 R)
• M11: 9,171,097 km (0.076 R)
• M12: 11,065,156 km (0.071 R)
• M13: 13,658,136 km (0.103 R)
• M14: 16,736,711 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 10.4

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.37 AU - 4.39 AU

Year: 5014 Days

Day: 12.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,882,171 km

• M1: 134,040 km (0.046 R)
• M2: 637,586 km (0.082 R)
• M3: 1,359,845 km (0.087 R)
• M4: 1,789,939 km (0.117 R)
• M5: 2,277,927 km (0.119 R)
• M6: 2,687,227 km (0.104 R)
• M7: 3,330,647 km (0.027 R)
• M8: 5,464,212 km (0.096 R)
• M9: 6,597,266 km (0.043 R)
• M10: 7,767,421 km (0.043 R)
• M11: 8,303,579 km (0.097 R)
• M12: 9,364,976 km (0.111 R)
• M13: 12,055,494 km (0.113 R)
• M14: 12,670,491 km (0.09 R)
• M15: 14,186,964 km (0.111 R)
• M16: 14,988,959 km (0.106 R)
• M17: 16,186,789 km (0.11 R)
• M18: 20,883,264 km (0.106 R)
• M19: 21,996,123 km (0.114 R)
• M20: 22,452,247 km (0.086 R)
• M21: 28,339,222 km (0.068 R)
• M22: 28,970,076 km (0.104 R)
• M23: 29,980,311 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.2

Radius: 7.6

Gravity: 8.33 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 7.06 AU - 8.2 AU

Year: 13826 Days

Day: 24.1 Hours

Environment

Temp: -218 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 52,882,171 km

• M1: 162,912 km (0.084 R)
• M2: 412,741 km (0.111 R)
• M3: 679,922 km (0.082 R)
• M4: 1,022,352 km (0.116 R)
• M5: 1,368,671 km (0.074 R)
• M6: 2,476,144 km (0.099 R)
• M7: 3,177,908 km (0.083 R)
• M8: 4,175,426 km (0.081 R)
• M9: 4,469,685 km (0.108 R)
• M10: 7,389,088 km (0.105 R)
• M11: 8,452,878 km (0.039 R)
• M12: 8,925,009 km (0.112 R)
• M13: 12,254,010 km (0.056 R)
• M14: 14,259,370 km (0.079 R)
• M15: 15,548,305 km (0.089 R)
• M16: 17,435,781 km (0.099 R)
• M17: 25,435,228 km (0.109 R)
• M18: 28,148,036 km (0.119 R)
• M19: 28,565,713 km (0.066 R)
• M20: 29,951,738 km (0.08 R)
• M21: 39,481,571 km (0.097 R)
• M22: 46,361,128 km (0.12 R)
• M23: 49,171,923 km (0.108 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 17,122 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit