🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729

Radius: 10.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.44 AU - 0.66 AU

Year: 287 Days

Day: 11.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,680,336 km

• M1: 130,599 km (0.084 R)
• M2: 520,451 km (0.061 R)
• M3: 959,670 km (0.104 R)
• M4: 1,393,654 km (0.035 R)
• M5: 1,863,241 km (0.09 R)
• M6: 2,301,563 km (0.096 R)
• M7: 2,933,913 km (0.081 R)
• M8: 3,377,471 km (0.088 R)
• M9: 3,724,538 km (0.113 R)
• M10: 4,058,740 km (0.073 R)
• M11: 4,452,033 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.9

Radius: 14.5

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.52 AU - 2.5 AU

Year: 2003 Days

Day: 6 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,680,336 km

• M1: 180,415 km (0.073 R)
• M2: 819,796 km (0.099 R)
• M3: 1,514,828 km (0.119 R)
• M4: 1,993,840 km (0.055 R)
• M5: 2,980,887 km (0.072 R)
• M6: 3,462,144 km (0.064 R)
• M7: 3,977,658 km (0.051 R)
• M8: 4,973,232 km (0.113 R)
• M9: 5,451,346 km (0.118 R)
• M10: 6,425,528 km (0.116 R)
• M11: 7,795,994 km (0.111 R)
• M12: 8,750,578 km (0.044 R)
• M13: 10,120,296 km (0.102 R)
• M14: 12,008,969 km (0.093 R)
• M15: 12,915,532 km (0.104 R)
• M16: 14,776,530 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 58.5

Radius: 15

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.35 AU - 2.73 AU

Year: 2846 Days

Day: 14.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 66,680,336 km

• M1: 204,500 km (0.082 R)
• M2: 693,087 km (0.099 R)
• M3: 1,232,537 km (0.101 R)
• M4: 1,825,842 km (0.118 R)
• M5: 2,444,728 km (0.085 R)
• M6: 3,215,457 km (0.03 R)
• M7: 4,254,563 km (0.082 R)
• M8: 5,394,350 km (0.109 R)
• M9: 6,220,429 km (0.11 R)
• M10: 8,026,823 km (0.049 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.8

Radius: 14.6

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 3.47 AU - 3.65 AU

Year: 4722 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,680,336 km

• M1: 181,911 km (0.107 R)
• M2: 700,417 km (0.093 R)
• M3: 1,285,794 km (0.097 R)
• M4: 2,617,664 km (0.034 R)
• M5: 3,307,459 km (0.058 R)
• M6: 4,581,285 km (0.096 R)
• M7: 5,191,345 km (0.063 R)
• M8: 6,510,499 km (0.108 R)
• M9: 7,495,751 km (0.082 R)
• M10: 8,307,619 km (0.114 R)
• M11: 9,177,530 km (0.048 R)
• M12: 9,847,878 km (0.051 R)
• M13: 10,595,568 km (0.063 R)
• M14: 12,861,378 km (0.116 R)
• M15: 13,329,769 km (0.118 R)
• M16: 15,260,329 km (0.083 R)
• M17: 15,904,049 km (0.084 R)
• M18: 16,872,545 km (0.103 R)
• M19: 17,751,882 km (0.114 R)
• M20: 18,267,994 km (0.063 R)
• M21: 19,465,974 km (0.113 R)
• M22: 20,363,412 km (0.118 R)
• M23: 21,072,356 km (0.077 R)
• M24: 21,651,150 km (0.054 R)
• M25: 31,378,752 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 316.6

Radius: 6

Gravity: 8.79 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.33 AU - 8.57 AU

Year: 12879 Days

Day: 16.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,680,336 km

• M1: 75,846 km (0.076 R)
• M2: 474,375 km (0.096 R)
• M3: 758,910 km (0.106 R)
• M4: 985,401 km (0.078 R)
• M5: 1,872,965 km (0.117 R)
• M6: 2,084,048 km (0.095 R)
• M7: 2,573,831 km (0.094 R)
• M8: 2,856,571 km (0.098 R)
• M9: 4,038,843 km (0.067 R)
• M10: 4,254,563 km (0.119 R)
• M11: 4,978,767 km (0.057 R)
• M12: 5,581,945 km (0.108 R)
• M13: 5,952,649 km (0.046 R)
• M14: 6,232,546 km (0.099 R)
• M15: 6,743,423 km (0.115 R)
• M16: 8,400,519 km (0.049 R)
• M17: 9,299,752 km (0.114 R)
• M18: 11,555,239 km (0.11 R)
• M19: 11,826,460 km (0.055 R)
• M20: 12,438,016 km (0.033 R)
• M21: 14,776,679 km (0.091 R)
• M22: 16,285,224 km (0.066 R)
• M23: 17,393,146 km (0.067 R)
• M24: 18,110,767 km (0.061 R)
• M25: 20,224,735 km (0.111 R)
• M26: 20,539,488 km (0.12 R)
• M27: 21,422,265 km (0.085 R)
• M28: 24,045,464 km (0.115 R)
• M29: 25,206,643 km (0.103 R)
• M30: 31,052,928 km (0.049 R)
• M31: 38,339,391 km (0.071 R)
• M32: 40,292,840 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.6

Radius: 7.6

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.81 AU - 8.65 AU

Year: 16596 Days

Day: 19.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,680,336 km

• M1: 179,368 km (0.082 R)
• M2: 487,539 km (0.091 R)
• M3: 1,329,925 km (0.109 R)
• M4: 2,128,479 km (0.076 R)
• M5: 2,848,194 km (0.115 R)
• M6: 3,162,948 km (0.11 R)
• M7: 4,859,687 km (0.111 R)
• M8: 8,377,182 km (0.093 R)
• M9: 13,169,998 km (0.117 R)
• M10: 13,840,496 km (0.077 R)
• M11: 15,838,675 km (0.119 R)
• M12: 18,514,382 km (0.054 R)
• M13: 20,309,557 km (0.101 R)
• M14: 22,405,423 km (0.094 R)
• M15: 24,242,185 km (0.079 R)
• M16: 24,741,842 km (0.086 R)
• M17: 27,667,378 km (0.098 R)
• M18: 33,574,250 km (0.051 R)
• M19: 38,215,524 km (0.086 R)
• M20: 41,252,810 km (0.089 R)
• M21: 48,588,341 km (0.092 R)
• M22: 50,185,149 km (0.064 R)
• M23: 61,426,382 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.7

Radius: 7.3

Gravity: 10.93 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.31 AU - 8.93 AU

Year: 17790 Days

Day: 17.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 66,680,336 km

• M1: 90,806 km (0.084 R)
• M2: 373,845 km (0.063 R)
• M3: 1,082,041 km (0.108 R)
• M4: 1,568,234 km (0.112 R)
• M5: 1,817,764 km (0.045 R)
• M6: 2,152,414 km (0.109 R)
• M7: 5,724,512 km (0.114 R)
• M8: 6,786,059 km (0.089 R)
• M9: 7,734,659 km (0.078 R)
• M10: 8,314,949 km (0.038 R)
• M11: 8,768,978 km (0.108 R)
• M12: 10,004,507 km (0.095 R)
• M13: 12,229,028 km (0.11 R)
• M14: 12,552,907 km (0.095 R)
• M15: 13,976,630 km (0.113 R)
• M16: 14,474,192 km (0.025 R)
• M17: 14,836,668 km (0.028 R)
• M18: 15,807,857 km (0.107 R)
• M19: 17,140,924 km (0.079 R)
• M20: 18,377,949 km (0.112 R)
• M21: 19,761,879 km (0.115 R)
• M22: 21,121,125 km (0.101 R)
• M23: 24,533,303 km (0.106 R)
• M24: 31,934,657 km (0.079 R)
• M25: 39,699,834 km (0.106 R)
• M26: 43,039,158 km (0.074 R)
• M27: 43,488,101 km (0.063 R)
• M28: 44,243,271 km (0.118 R)
• M29: 45,779,791 km (0.099 R)
• M30: 46,876,343 km (0.103 R)
• M31: 47,990,249 km (0.052 R)
• M32: 54,521,094 km (0.063 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 17,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit