🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.8

Radius: 8.6

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.62 AU - 0.82 AU

Year: 401 Days

Day: 10.5 Hours

Environment

Temp: -134 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 13,428,371 km

• M1: 106,962 km (0.073 R)
• M2: 453,880 km (0.09 R)
• M3: 802,593 km (0.092 R)
• M4: 1,222,215 km (0.109 R)
• M5: 2,080,308 km (0.083 R)
• M6: 2,508,008 km (0.064 R)
• M7: 3,021,578 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 539

Radius: 14.2

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.74 AU - 0.9 AU

Year: 487 Days

Day: 5.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 13,428,371 km

• M1: 176,974 km (0.116 R)
• M2: 638,185 km (0.098 R)
• M3: 1,108,520 km (0.096 R)
• M4: 1,642,585 km (0.067 R)
• M5: 2,132,069 km (0.112 R)
• M6: 2,611,530 km (0.11 R)
• M7: 3,869,499 km (0.107 R)
• M8: 4,737,615 km (0.108 R)
• M9: 5,386,122 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.4

Radius: 14.2

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.1 AU - 1.66 AU

Year: 1063 Days

Day: 14.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 13,428,371 km

• M1: 177,423 km (0.104 R)
• M2: 694,882 km (0.075 R)
• M3: 1,170,005 km (0.113 R)
• M4: 1,720,226 km (0.116 R)
• M5: 2,181,586 km (0.07 R)
• M6: 2,870,484 km (0.071 R)
• M7: 3,498,645 km (0.1 R)
• M8: 4,062,779 km (0.044 R)
• M9: 4,801,044 km (0.113 R)
• M10: 5,293,969 km (0.101 R)
• M11: 5,886,227 km (0.078 R)
• M12: 6,382,593 km (0.072 R)
• M13: 8,014,856 km (0.099 R)

Asteroid Belt

Center: 2.41 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 559.2

Radius: 12.5

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 2.88 AU - 3.98 AU

Year: 4167 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 13,428,371 km

• M1: 155,731 km (0.078 R)
• M2: 712,535 km (0.103 R)
• M3: 1,131,708 km (0.026 R)
• M4: 1,628,822 km (0.08 R)
• M5: 2,588,941 km (0.11 R)
• M6: 3,430,878 km (0.103 R)
• M7: 3,958,958 km (0.065 R)
• M8: 6,545,206 km (0.119 R)
• M9: 7,361,412 km (0.11 R)
• M10: 8,748,184 km (0.1 R)
• M11: 9,857,602 km (0.07 R)
• M12: 10,467,213 km (0.117 R)
• M13: 10,887,434 km (0.094 R)
• M14: 11,319,024 km (0.094 R)
• M15: 12,448,039 km (0.087 R)
• M16: 14,615,712 km (0.09 R)
• M17: 15,571,194 km (0.092 R)
• M18: 16,119,769 km (0.071 R)
• M19: 17,606,473 km (0.092 R)
• M20: 20,005,424 km (0.093 R)
• M21: 21,856,997 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.2

Radius: 8.6

Gravity: 13.36 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.14 AU - 4.06 AU

Year: 4481 Days

Day: 13.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,428,371 km

• M1: 108,758 km (0.117 R)
• M2: 443,558 km (0.075 R)
• M3: 778,807 km (0.074 R)
• M4: 1,404,874 km (0.083 R)
• M5: 2,054,876 km (0.095 R)
• M6: 4,576,947 km (0.119 R)
• M7: 5,657,791 km (0.111 R)
• M8: 7,106,348 km (0.059 R)
• M9: 7,898,020 km (0.088 R)
• M10: 8,989,037 km (0.112 R)
• M11: 9,444,114 km (0.113 R)
• M12: 10,535,580 km (0.111 R)
• M13: 12,052,502 km (0.102 R)
• M14: 17,470,787 km (0.092 R)
• M15: 21,500,206 km (0.107 R)
• M16: 27,550,393 km (0.099 R)
• M17: 28,954,518 km (0.11 R)
• M18: 29,674,084 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 671.4

Radius: 14.6

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.98 AU - 5.54 AU

Year: 7914 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 13,428,371 km

• M1: 185,202 km (0.028 R)
• M2: 707,897 km (0.105 R)
• M3: 1,320,949 km (0.091 R)
• M4: 1,920,388 km (0.069 R)
• M5: 2,406,880 km (0.103 R)
• M6: 4,365,266 km (0.06 R)
• M7: 4,836,948 km (0.098 R)
• M8: 6,117,356 km (0.074 R)
• M9: 7,418,858 km (0.054 R)
• M10: 9,296,610 km (0.063 R)
• M11: 10,274,083 km (0.098 R)
• M12: 10,812,934 km (0.12 R)
• M13: 12,270,167 km (0.111 R)
• M14: 12,933,484 km (0.118 R)
• M15: 16,023,278 km (0.107 R)
• M16: 18,196,038 km (0.065 R)
• M17: 24,912,234 km (0.099 R)
• M18: 28,579,626 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.2

Radius: 15

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 5.71 AU - 5.83 AU

Year: 9092 Days

Day: 9.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 13,428,371 km

• M1: 186,698 km (0.096 R)
• M2: 666,010 km (0.078 R)
• M3: 1,145,022 km (0.085 R)
• M4: 2,476,144 km (0.029 R)
• M5: 4,990,585 km (0.116 R)
• M6: 5,750,991 km (0.069 R)
• M7: 6,345,642 km (0.053 R)
• M8: 7,390,135 km (0.085 R)
• M9: 8,463,051 km (0.098 R)
• M10: 9,146,414 km (0.1 R)
• M11: 10,383,289 km (0.053 R)
• M12: 11,420,301 km (0.115 R)
• M13: 12,798,696 km (0.099 R)
• M14: 13,414,291 km (0.101 R)
• M15: 17,737,820 km (0.116 R)
• M16: 18,787,697 km (0.071 R)
• M17: 20,326,910 km (0.108 R)
• M18: 20,858,282 km (0.115 R)
• M19: 25,187,345 km (0.116 R)
• M20: 30,278,459 km (0.111 R)
• M21: 34,172,043 km (0.109 R)
• M22: 35,468,010 km (0.049 R)
• M23: 36,684,539 km (0.11 R)
• M24: 37,928,745 km (0.085 R)
• M25: 38,503,350 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.7

Radius: 5.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 6.05 AU - 7.73 AU

Year: 11864 Days

Day: 19.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 13,428,371 km

• M1: 110,403 km (0.033 R)
• M2: 413,638 km (0.083 R)
• M3: 2,363,646 km (0.103 R)
• M4: 3,753,411 km (0.042 R)
• M5: 7,488,121 km (0.118 R)
• M6: 10,573,428 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 472 - 13,373 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit