🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.5

Radius: 9

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.63 AU - 0.85 AU

Year: 432 Days

Day: 13.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,496,206 km

• M1: 112,198 km (0.079 R)
• M2: 433,834 km (0.06 R)
• M3: 991,684 km (0.109 R)
• M4: 1,383,481 km (0.1 R)
• M5: 1,720,376 km (0.08 R)
• M6: 2,142,690 km (0.097 R)
• M7: 2,597,617 km (0.109 R)
• M8: 2,987,469 km (0.072 R)
• M9: 3,289,657 km (0.095 R)
• M10: 3,735,758 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 10.1

Gravity: 2.53 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 1.03 AU - 1.13 AU

Year: 761 Days

Day: 10.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,496,206 km

• M1: 125,961 km (0.097 R)
• M2: 481,556 km (0.112 R)
• M3: 919,877 km (0.068 R)
• M4: 1,290,282 km (0.055 R)
• M5: 1,671,457 km (0.106 R)
• M6: 3,376,424 km (0.03 R)
• M7: 4,208,487 km (0.119 R)
• M8: 4,718,167 km (0.09 R)
• M9: 5,139,285 km (0.083 R)
• M10: 5,914,501 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.2

Radius: 14.8

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.29 AU - 1.33 AU

Year: 1017 Days

Day: 14.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 41,496,206 km

• M1: 184,155 km (0.033 R)
• M2: 693,237 km (0.067 R)
• M3: 2,357,064 km (0.099 R)
• M4: 2,984,478 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.4

Radius: 13.7

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.36 AU - 1.46 AU

Year: 1136 Days

Day: 10 Hours

Environment

Temp: -179 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,496,206 km

• M1: 170,392 km (0.079 R)
• M2: 737,518 km (0.085 R)
• M3: 1,290,581 km (0.098 R)
• M4: 2,206,120 km (0.05 R)
• M5: 2,682,140 km (0.072 R)
• M6: 3,750,718 km (0.064 R)
• M7: 4,837,397 km (0.059 R)
• M8: 6,124,238 km (0.064 R)
• M9: 7,053,091 km (0.108 R)
• M10: 7,967,283 km (0.117 R)
• M11: 9,219,717 km (0.047 R)
• M12: 9,725,657 km (0.064 R)
• M13: 10,376,258 km (0.103 R)
• M14: 11,088,793 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.5

Radius: 10.2

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 1.36 AU - 1.8 AU

Year: 1347 Days

Day: 13.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 41,496,206 km

• M1: 126,859 km (0.065 R)
• M2: 515,514 km (0.091 R)
• M3: 1,063,192 km (0.118 R)
• M4: 1,414,298 km (0.118 R)
• M5: 1,793,828 km (0.042 R)
• M6: 2,212,553 km (0.074 R)
• M7: 3,113,132 km (0.061 R)
• M8: 4,287,026 km (0.095 R)
• M9: 5,587,331 km (0.097 R)
• M10: 6,857,866 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 197.2

Radius: 12.2

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.23 AU - 3.43 AU

Year: 4122 Days

Day: 12 Hours

Environment

Temp: -225 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 41,496,206 km

• M1: 151,692 km (0.091 R)
• M2: 597,793 km (0.07 R)
• M3: 1,046,288 km (0.082 R)
• M4: 1,476,232 km (0.093 R)
• M5: 1,865,336 km (0.086 R)
• M6: 2,284,958 km (0.08 R)
• M7: 2,872,728 km (0.036 R)
• M8: 3,336,033 km (0.099 R)
• M9: 3,886,403 km (0.102 R)
• M10: 5,034,716 km (0.101 R)
• M11: 5,736,929 km (0.108 R)
• M12: 6,801,018 km (0.102 R)
• M13: 7,511,907 km (0.095 R)
• M14: 9,250,235 km (0.077 R)
• M15: 9,802,999 km (0.048 R)
• M16: 10,561,759 km (0.087 R)
• M17: 12,115,034 km (0.111 R)
• M18: 13,332,910 km (0.114 R)
• M19: 13,815,513 km (0.09 R)
• M20: 14,355,412 km (0.056 R)
• M21: 16,808,817 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.8

Radius: 8.5

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.78 AU - 6 AU

Year: 8487 Days

Day: 6 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 41,496,206 km

• M1: 106,065 km (0.056 R)
• M2: 767,437 km (0.1 R)
• M3: 2,854,926 km (0.089 R)
• M4: 3,218,449 km (0.109 R)
• M5: 3,727,530 km (0.035 R)
• M6: 4,767,684 km (0.117 R)
• M7: 5,251,633 km (0.096 R)
• M8: 6,451,857 km (0.095 R)
• M9: 7,980,747 km (0.094 R)
• M10: 8,297,296 km (0.082 R)
• M11: 9,471,789 km (0.096 R)
• M12: 14,988,659 km (0.037 R)
• M13: 16,151,933 km (0.086 R)
• M14: 17,506,242 km (0.076 R)
• M15: 21,033,161 km (0.073 R)
• M16: 22,332,868 km (0.112 R)
• M17: 22,646,275 km (0.089 R)
• M18: 28,802,527 km (0.028 R)
• M19: 30,212,038 km (0.11 R)
• M20: 32,562,071 km (0.088 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.52 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.9

Radius: 6.4

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.98 AU - 8.06 AU

Year: 11292 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 41,496,206 km

• M1: 113,246 km (0.118 R)
• M2: 336,745 km (0.097 R)
• M3: 652,097 km (0.102 R)
• M4: 961,166 km (0.099 R)
• M5: 1,166,265 km (0.111 R)
• M6: 1,981,424 km (0.078 R)
• M7: 2,386,535 km (0.082 R)
• M8: 2,618,262 km (0.053 R)
• M9: 4,061,133 km (0.037 R)
• M10: 4,498,258 km (0.066 R)
• M11: 4,994,923 km (0.083 R)
• M12: 5,227,249 km (0.057 R)
• M13: 5,807,689 km (0.104 R)
• M14: 6,195,895 km (0.104 R)
• M15: 6,396,356 km (0.064 R)
• M16: 7,132,677 km (0.108 R)
• M17: 8,200,357 km (0.119 R)
• M18: 9,724,759 km (0.112 R)
• M19: 10,318,812 km (0.086 R)
• M20: 10,744,119 km (0.09 R)
• M21: 14,401,937 km (0.083 R)
• M22: 18,329,030 km (0.096 R)
• M23: 20,759,248 km (0.115 R)
• M24: 22,915,551 km (0.079 R)
• M25: 30,368,517 km (0.101 R)
• M26: 32,130,481 km (0.057 R)
• M27: 32,531,104 km (0.101 R)
• M28: 33,240,348 km (0.075 R)
• M29: 33,753,020 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 217.5

Radius: 6.7

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.51 AU - 7.75 AU

Year: 14295 Days

Day: 23.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,496,206 km

• M1: 93,648 km (0.092 R)
• M2: 371,900 km (0.073 R)
• M3: 982,708 km (0.066 R)
• M4: 1,246,749 km (0.105 R)
• M5: 2,080,607 km (0.057 R)
• M6: 2,875,271 km (0.098 R)
• M7: 6,318,864 km (0.105 R)
• M8: 7,473,610 km (0.079 R)
• M9: 7,874,383 km (0.102 R)
• M10: 10,686,973 km (0.077 R)
• M11: 11,195,905 km (0.111 R)
• M12: 12,933,334 km (0.079 R)
• M13: 17,207,345 km (0.039 R)
• M14: 20,501,491 km (0.075 R)
• M15: 34,042,940 km (0.055 R)
• M16: 35,254,384 km (0.067 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 450 - 14,700 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit