🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 12.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.84 AU - 1.12 AU

Year: 682 Days

Day: 6.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 60,490,724 km

• M1: 151,842 km (0.116 R)
• M2: 612,603 km (0.119 R)
• M3: 1,178,682 km (0.089 R)
• M4: 2,010,745 km (0.087 R)
• M5: 2,832,636 km (0.059 R)
• M6: 3,644,653 km (0.072 R)
• M7: 4,083,723 km (0.103 R)
• M8: 4,638,132 km (0.091 R)
• M9: 5,224,855 km (0.099 R)
• M10: 7,530,607 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.3

Radius: 8

Gravity: 13.65 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.91 AU - 1.33 AU

Year: 833 Days

Day: 11.8 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,490,724 km

• M1: 99,483 km (0.109 R)
• M2: 418,126 km (0.104 R)
• M3: 713,582 km (0.079 R)
• M4: 1,158,037 km (0.091 R)
• M5: 1,723,667 km (0.048 R)
• M6: 2,305,453 km (0.045 R)
• M7: 2,624,545 km (0.083 R)
• M8: 3,809,061 km (0.115 R)
• M9: 4,668,351 km (0.076 R)
• M10: 5,315,661 km (0.116 R)
• M11: 7,042,320 km (0.092 R)
• M12: 7,447,281 km (0.059 R)
• M13: 9,281,052 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.9

Radius: 8.4

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 1.57 AU - 1.69 AU

Year: 1463 Days

Day: 12.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,490,724 km

• M1: 104,419 km (0.101 R)
• M2: 379,979 km (0.088 R)
• M3: 793,916 km (0.108 R)
• M4: 1,192,295 km (0.085 R)
• M5: 1,627,475 km (0.108 R)
• M6: 1,900,043 km (0.104 R)
• M7: 2,193,703 km (0.096 R)
• M8: 2,654,315 km (0.113 R)
• M9: 3,568,508 km (0.082 R)
• M10: 3,962,698 km (0.092 R)
• M11: 4,600,434 km (0.119 R)
• M12: 5,655,996 km (0.112 R)
• M13: 6,212,052 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.5

Radius: 11.9

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.49 AU - 2.35 AU

Year: 1870 Days

Day: 6.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,490,724 km

• M1: 148,700 km (0.064 R)
• M2: 693,685 km (0.081 R)
• M3: 1,088,325 km (0.076 R)
• M4: 1,685,220 km (0.117 R)
• M5: 2,284,359 km (0.073 R)
• M6: 2,879,310 km (0.114 R)
• M7: 3,336,930 km (0.078 R)
• M8: 3,981,847 km (0.104 R)
• M9: 4,418,822 km (0.104 R)
• M10: 5,433,544 km (0.119 R)
• M11: 5,880,692 km (0.1 R)
• M12: 6,352,225 km (0.114 R)
• M13: 8,467,539 km (0.1 R)
• M14: 9,131,903 km (0.096 R)
• M15: 9,508,889 km (0.103 R)
• M16: 10,361,298 km (0.056 R)
• M17: 11,515,745 km (0.085 R)
• M18: 12,988,686 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 636.5

Radius: 12.7

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.16 AU - 3.12 AU

Year: 3015 Days

Day: 12.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 60,490,724 km

• M1: 157,975 km (0.102 R)
• M2: 761,902 km (0.106 R)
• M3: 1,503,907 km (0.105 R)
• M4: 2,124,140 km (0.114 R)
• M5: 3,009,161 km (0.084 R)
• M6: 3,823,722 km (0.111 R)
• M7: 4,554,956 km (0.115 R)
• M8: 4,989,687 km (0.089 R)
• M9: 6,213,847 km (0.096 R)
• M10: 7,075,082 km (0.112 R)
• M11: 8,514,064 km (0.118 R)
• M12: 9,321,144 km (0.092 R)
• M13: 14,577,864 km (0.102 R)
• M14: 15,887,892 km (0.044 R)
• M15: 16,678,667 km (0.095 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.5

Radius: 13.8

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.59 AU - 3.59 AU

Year: 3818 Days

Day: 10.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,490,724 km

• M1: 171,589 km (0.05 R)
• M2: 850,613 km (0.116 R)
• M3: 1,297,612 km (0.081 R)
• M4: 2,151,068 km (0.026 R)
• M5: 2,747,963 km (0.047 R)
• M6: 3,751,615 km (0.054 R)
• M7: 4,338,787 km (0.114 R)
• M8: 4,856,396 km (0.117 R)
• M9: 5,917,942 km (0.113 R)
• M10: 6,530,396 km (0.088 R)
• M11: 7,128,638 km (0.074 R)
• M12: 7,704,141 km (0.113 R)
• M13: 8,498,505 km (0.074 R)
• M14: 9,380,684 km (0.111 R)
• M15: 10,467,812 km (0.096 R)
• M16: 11,327,551 km (0.111 R)
• M17: 12,601,227 km (0.069 R)
• M18: 15,479,939 km (0.097 R)
• M19: 16,596,089 km (0.078 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206

Radius: 12.7

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.65 AU - 5.67 AU

Year: 8239 Days

Day: 11.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 60,490,724 km

• M1: 157,975 km (0.061 R)
• M2: 612,454 km (0.107 R)
• M3: 1,222,514 km (0.117 R)
• M4: 1,626,129 km (0.095 R)
• M5: 2,532,393 km (0.077 R)
• M6: 3,379,715 km (0.105 R)
• M7: 4,242,446 km (0.035 R)
• M8: 5,273,923 km (0.085 R)
• M9: 6,846,795 km (0.067 R)
• M10: 7,310,250 km (0.094 R)
• M11: 7,794,647 km (0.116 R)
• M12: 8,337,239 km (0.096 R)
• M13: 8,982,754 km (0.038 R)
• M14: 9,579,649 km (0.097 R)
• M15: 10,034,128 km (0.086 R)
• M16: 11,165,985 km (0.104 R)
• M17: 13,579,298 km (0.073 R)
• M18: 16,380,219 km (0.116 R)
• M19: 18,322,598 km (0.061 R)
• M20: 18,895,408 km (0.106 R)
• M21: 20,823,126 km (0.068 R)
• M22: 24,679,610 km (0.099 R)
• M23: 25,614,746 km (0.117 R)
• M24: 27,061,357 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 765.5

Radius: 3.5

Gravity: 62.49 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 6.58 AU - 7.7 AU

Year: 13411 Days

Day: 22.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 60,490,724 km

• M1: 43,533 km (0.1 R)
• M2: 167,400 km (0.076 R)
• M3: 305,329 km (0.081 R)
• M4: 491,728 km (0.111 R)
• M5: 838,047 km (0.115 R)
• M6: 1,442,871 km (0.107 R)
• M7: 1,564,046 km (0.1 R)
• M8: 1,725,013 km (0.094 R)
• M9: 4,883,174 km (0.091 R)
• M10: 5,088,123 km (0.113 R)
• M11: 6,939,546 km (0.115 R)
• M12: 8,445,249 km (0.1 R)
• M13: 8,890,751 km (0.093 R)
• M14: 11,898,566 km (0.113 R)
• M15: 15,741,286 km (0.073 R)
• M16: 17,029,922 km (0.066 R)
• M17: 18,633,911 km (0.085 R)
• M18: 21,314,705 km (0.094 R)
• M19: 22,231,440 km (0.104 R)
• M20: 24,837,286 km (0.118 R)
• M21: 26,369,467 km (0.049 R)
• M22: 30,187,205 km (0.068 R)
• M23: 31,930,319 km (0.057 R)
• M24: 33,007,723 km (0.08 R)
• M25: 34,731,539 km (0.09 R)
• M26: 36,385,045 km (0.111 R)
• M27: 39,711,054 km (0.089 R)
• M28: 42,370,306 km (0.055 R)
• M29: 43,962,775 km (0.073 R)
• M30: 45,295,094 km (0.095 R)
• M31: 47,884,633 km (0.096 R)
• M32: 49,136,767 km (0.075 R)
• M33: 54,026,224 km (0.097 R)
• M34: 55,554,067 km (0.087 R)
• M35: 57,811,200 km (0.116 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 184 - 11,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit