🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 10.5

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.54 AU - 0.86 AU

Year: 391 Days

Day: 5.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,501,514 km

• M1: 133,441 km (0.119 R)
• M2: 503,546 km (0.076 R)
• M3: 1,183,319 km (0.098 R)
• M4: 1,792,482 km (0.057 R)
• M5: 2,449,067 km (0.094 R)
• M6: 3,478,749 km (0.07 R)
• M7: 4,307,222 km (0.074 R)
• M8: 4,939,123 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 817.6

Radius: 9.4

Gravity: 9.25 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.87 AU - 1.25 AU

Year: 728 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,501,514 km

• M1: 116,986 km (0.078 R)
• M2: 524,939 km (0.085 R)
• M3: 957,127 km (0.109 R)
• M4: 1,290,730 km (0.118 R)
• M5: 1,753,736 km (0.078 R)
• M6: 2,053,680 km (0.054 R)
• M7: 2,552,140 km (0.083 R)
• M8: 2,854,776 km (0.057 R)
• M9: 3,220,842 km (0.109 R)
• M10: 3,632,386 km (0.12 R)
• M11: 4,109,753 km (0.081 R)
• M12: 4,528,028 km (0.077 R)
• M13: 5,135,844 km (0.11 R)
• M14: 5,975,986 km (0.093 R)
• M15: 7,806,466 km (0.112 R)
• M16: 8,348,608 km (0.049 R)
• M17: 8,810,567 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.7

Radius: 12.8

Gravity: 4.63 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.01 AU - 1.59 AU

Year: 988 Days

Day: 6.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 53,501,514 km

• M1: 159,172 km (0.11 R)
• M2: 638,334 km (0.118 R)
• M3: 1,091,915 km (0.106 R)
• M4: 1,670,260 km (0.113 R)
• M5: 2,072,828 km (0.117 R)
• M6: 2,684,384 km (0.03 R)
• M7: 3,230,267 km (0.045 R)
• M8: 3,725,735 km (0.036 R)
• M9: 4,635,589 km (0.05 R)
• M10: 5,095,902 km (0.077 R)
• M11: 5,917,045 km (0.098 R)
• M12: 6,437,496 km (0.094 R)
• M13: 8,080,679 km (0.095 R)
• M14: 8,531,866 km (0.053 R)
• M15: 9,340,741 km (0.084 R)
• M16: 9,808,534 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.4

Radius: 9.2

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.69 AU - 1.91 AU

Year: 1610 Days

Day: 10.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,501,514 km

• M1: 117,434 km (0.073 R)
• M2: 1,085,781 km (0.112 R)
• M3: 1,595,611 km (0.085 R)
• M4: 1,916,798 km (0.111 R)
• M5: 2,480,632 km (0.116 R)
• M6: 3,080,519 km (0.109 R)
• M7: 3,583,767 km (0.063 R)
• M8: 4,106,611 km (0.12 R)
• M9: 4,476,716 km (0.115 R)
• M10: 5,984,663 km (0.114 R)
• M11: 6,484,918 km (0.119 R)
• M12: 6,817,624 km (0.111 R)
• M13: 7,287,361 km (0.064 R)
• M14: 8,402,763 km (0.087 R)
• M15: 8,741,452 km (0.093 R)
• M16: 9,089,118 km (0.103 R)
• M17: 9,999,122 km (0.101 R)
• M18: 11,648,887 km (0.055 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 970.1

Radius: 8.7

Gravity: 12.82 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.22 AU - 2.98 AU

Year: 2796 Days

Day: 5.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 53,501,514 km

• M1: 108,608 km (0.054 R)
• M2: 579,393 km (0.117 R)
• M3: 880,084 km (0.073 R)
• M4: 1,488,050 km (0.071 R)
• M5: 1,967,810 km (0.075 R)
• M6: 2,294,532 km (0.096 R)
• M7: 2,819,621 km (0.086 R)
• M8: 3,200,646 km (0.093 R)
• M9: 3,635,527 km (0.107 R)
• M10: 4,788,777 km (0.11 R)
• M11: 5,567,434 km (0.117 R)
• M12: 6,312,133 km (0.095 R)
• M13: 6,844,551 km (0.083 R)
• M14: 8,134,683 km (0.093 R)
• M15: 8,622,372 km (0.12 R)
• M16: 9,019,106 km (0.104 R)
• M17: 10,005,554 km (0.079 R)
• M18: 10,606,489 km (0.083 R)
• M19: 11,359,116 km (0.085 R)
• M20: 12,877,086 km (0.099 R)
• M21: 13,253,175 km (0.099 R)
• M22: 14,325,043 km (0.099 R)
• M23: 15,878,468 km (0.091 R)
• M24: 19,934,215 km (0.056 R)
• M25: 20,949,536 km (0.107 R)
• M26: 22,469,151 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.9

Radius: 14.8

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.24 AU - 3.46 AU

Year: 4089 Days

Day: 6.6 Hours

Environment

Temp: -211 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,501,514 km

• M1: 200,910 km (0.088 R)
• M2: 894,146 km (0.038 R)
• M3: 1,386,024 km (0.104 R)
• M4: 1,955,095 km (0.102 R)
• M5: 2,531,645 km (0.074 R)
• M6: 3,182,994 km (0.093 R)
• M7: 4,674,933 km (0.112 R)
• M8: 5,355,305 km (0.074 R)
• M9: 5,835,514 km (0.063 R)
• M10: 6,437,346 km (0.109 R)
• M11: 6,981,134 km (0.027 R)
• M12: 7,908,491 km (0.118 R)
• M13: 8,916,482 km (0.089 R)
• M14: 9,758,269 km (0.078 R)
• M15: 10,918,101 km (0.118 R)
• M16: 12,119,971 km (0.109 R)
• M17: 16,315,293 km (0.097 R)
• M18: 18,324,542 km (0.074 R)
• M19: 20,630,594 km (0.083 R)
• M20: 22,683,226 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946

Radius: 13.4

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.7 AU - 4.66 AU

Year: 5699 Days

Day: 9 Hours

Environment

Temp: -219 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,501,514 km

• M1: 167,250 km (0.095 R)
• M2: 1,286,691 km (0.1 R)
• M3: 1,884,933 km (0.095 R)
• M4: 3,406,942 km (0.113 R)
• M5: 4,105,863 km (0.119 R)
• M6: 5,391,657 km (0.112 R)
• M7: 5,886,078 km (0.112 R)
• M8: 6,789,350 km (0.097 R)
• M9: 7,256,245 km (0.094 R)
• M10: 7,744,532 km (0.06 R)
• M11: 8,787,529 km (0.066 R)
• M12: 10,197,189 km (0.091 R)
• M13: 12,427,993 km (0.036 R)
• M14: 16,776,504 km (0.119 R)
• M15: 17,432,939 km (0.109 R)
• M16: 19,433,960 km (0.114 R)
• M17: 21,660,724 km (0.088 R)
• M18: 24,635,329 km (0.096 R)
• M19: 26,439,628 km (0.079 R)
• M20: 31,979,088 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 552.9

Radius: 7.5

Gravity: 9.83 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 6.93 AU - 7.65 AU

Year: 13126 Days

Day: 25 Hours

Environment

Temp: -241 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 53,501,514 km

• M1: 96,491 km (0.089 R)
• M2: 489,335 km (0.057 R)
• M3: 1,087,128 km (0.096 R)
• M4: 1,395,898 km (0.067 R)
• M5: 3,667,541 km (0.062 R)
• M6: 10,951,013 km (0.116 R)
• M7: 11,343,408 km (0.086 R)
• M8: 14,093,915 km (0.097 R)
• M9: 14,491,396 km (0.114 R)
• M10: 14,964,574 km (0.069 R)
• M11: 16,373,188 km (0.095 R)
• M12: 17,410,499 km (0.08 R)
• M13: 18,177,787 km (0.059 R)
• M14: 20,530,363 km (0.119 R)
• M15: 29,433,231 km (0.083 R)
• M16: 35,141,587 km (0.06 R)
• M17: 37,113,437 km (0.116 R)
• M18: 41,546,171 km (0.073 R)
• M19: 42,500,605 km (0.107 R)
• M20: 44,029,945 km (0.077 R)
• M21: 46,319,390 km (0.104 R)
• M22: 51,601,841 km (0.111 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: 392 - 14,985 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit