🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 916.8

Radius: 14.9

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.43 AU - 0.61 AU

Year: 259 Days

Day: 7.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 65,879,314 km

• M1: 185,352 km (0.084 R)
• M2: 666,758 km (0.079 R)
• M3: 1,212,341 km (0.069 R)
• M4: 1,848,282 km (0.111 R)
• M5: 2,339,711 km (0.072 R)
• M6: 2,833,832 km (0.09 R)
• M7: 3,334,237 km (0.118 R)
• M8: 4,135,334 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.6

Radius: 13.8

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.82 AU - 1.02 AU

Year: 609 Days

Day: 12.1 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,879,314 km

• M1: 171,589 km (0.058 R)
• M2: 603,029 km (0.078 R)
• M3: 1,095,505 km (0.035 R)
• M4: 1,627,625 km (0.117 R)
• M5: 2,059,514 km (0.034 R)
• M6: 2,548,998 km (0.117 R)
• M7: 3,259,139 km (0.07 R)
• M8: 4,027,923 km (0.057 R)
• M9: 4,478,661 km (0.086 R)
• M10: 5,311,173 km (0.106 R)
• M11: 6,187,966 km (0.07 R)
• M12: 6,973,505 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 515.8

Radius: 9.8

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.33 AU - 1.35 AU

Year: 1071 Days

Day: 14.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 42.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,879,314 km

• M1: 121,922 km (0.109 R)
• M2: 446,101 km (0.104 R)
• M3: 862,133 km (0.114 R)
• M4: 1,229,694 km (0.067 R)
• M5: 1,551,330 km (0.098 R)
• M6: 2,413,911 km (0.106 R)
• M7: 2,977,596 km (0.095 R)
• M8: 3,524,526 km (0.088 R)
• M9: 4,104,966 km (0.116 R)
• M10: 4,435,427 km (0.11 R)
• M11: 4,964,405 km (0.08 R)
• M12: 5,857,056 km (0.117 R)
• M13: 6,255,585 km (0.051 R)
• M14: 6,694,505 km (0.113 R)
• M15: 7,560,976 km (0.074 R)
• M16: 8,136,179 km (0.113 R)
• M17: 8,984,699 km (0.049 R)
• M18: 9,659,086 km (0.07 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.2

Radius: 8.9

Gravity: 8.45 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.47 AU - 1.51 AU

Year: 1255 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,879,314 km

• M1: 110,702 km (0.09 R)
• M2: 392,844 km (0.091 R)
• M3: 774,468 km (0.102 R)
• M4: 1,201,720 km (0.056 R)
• M5: 1,500,616 km (0.1 R)
• M6: 1,791,135 km (0.099 R)
• M7: 2,087,040 km (0.079 R)
• M8: 2,487,962 km (0.093 R)
• M9: 2,899,207 km (0.097 R)
• M10: 3,236,849 km (0.11 R)
• M11: 3,679,808 km (0.07 R)
• M12: 4,215,219 km (0.1 R)
• M13: 4,976,074 km (0.076 R)
• M14: 5,674,098 km (0.069 R)
• M15: 6,648,429 km (0.11 R)
• M16: 7,188,178 km (0.059 R)
• M17: 8,134,235 km (0.118 R)
• M18: 8,411,140 km (0.103 R)
• M19: 10,694,153 km (0.11 R)
• M20: 11,195,905 km (0.043 R)
• M21: 11,889,291 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.5

Radius: 9.4

Gravity: 6.18 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.37 AU - 1.91 AU

Year: 1450 Days

Day: 6.3 Hours

Environment

Temp: -196 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,879,314 km

• M1: 116,986 km (0.034 R)
• M2: 410,197 km (0.063 R)
• M3: 900,430 km (0.096 R)
• M4: 1,307,336 km (0.08 R)
• M5: 1,663,379 km (0.092 R)
• M6: 2,160,792 km (0.109 R)
• M7: 2,463,279 km (0.061 R)
• M8: 2,943,488 km (0.063 R)
• M9: 3,674,273 km (0.111 R)
• M10: 4,502,896 km (0.08 R)
• M11: 6,017,425 km (0.107 R)
• M12: 6,432,260 km (0.113 R)
• M13: 8,201,703 km (0.106 R)
• M14: 8,945,803 km (0.06 R)
• M15: 9,486,749 km (0.057 R)
• M16: 10,634,165 km (0.088 R)

Asteroid Belt

Center: 1.9 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 672.2

Radius: 14.9

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.71 AU - 2.61 AU

Year: 2191 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,879,314 km

• M1: 185,352 km (0.116 R)
• M2: 800,797 km (0.103 R)
• M3: 1,907,373 km (0.119 R)
• M4: 2,430,666 km (0.077 R)
• M5: 3,113,281 km (0.058 R)
• M6: 3,866,357 km (0.039 R)
• M7: 4,550,019 km (0.05 R)
• M8: 5,199,424 km (0.119 R)
• M9: 5,811,728 km (0.105 R)
• M10: 7,556,338 km (0.105 R)
• M11: 10,373,116 km (0.115 R)
• M12: 11,041,370 km (0.099 R)
• M13: 11,777,691 km (0.118 R)
• M14: 12,712,827 km (0.099 R)
• M15: 13,828,977 km (0.092 R)
• M16: 15,291,146 km (0.062 R)
• M17: 15,768,663 km (0.036 R)
• M18: 16,753,615 km (0.075 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499

Radius: 12.1

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.78 AU - 2.64 AU

Year: 2268 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,879,314 km

• M1: 150,495 km (0.059 R)
• M2: 642,373 km (0.115 R)
• M3: 1,531,733 km (0.071 R)
• M4: 3,202,591 km (0.065 R)
• M5: 4,886,465 km (0.062 R)
• M6: 5,861,095 km (0.08 R)
• M7: 7,125,047 km (0.063 R)
• M8: 7,603,611 km (0.103 R)
• M9: 9,007,288 km (0.054 R)
• M10: 9,601,191 km (0.091 R)
• M11: 10,150,964 km (0.053 R)
• M12: 11,051,842 km (0.11 R)
• M13: 12,083,918 km (0.08 R)
• M14: 12,848,064 km (0.091 R)
• M15: 14,786,254 km (0.113 R)
• M16: 15,566,855 km (0.118 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430

Radius: 14.3

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.34 AU - 4.52 AU

Year: 5378 Days

Day: 8.7 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,879,314 km

• M1: 177,872 km (0.119 R)
• M2: 808,576 km (0.075 R)
• M3: 1,353,861 km (0.108 R)
• M4: 2,233,047 km (0.054 R)
• M5: 2,734,499 km (0.088 R)
• M6: 3,272,902 km (0.093 R)
• M7: 4,260,547 km (0.096 R)
• M8: 5,144,970 km (0.069 R)
• M9: 5,659,437 km (0.038 R)
• M10: 6,480,281 km (0.039 R)
• M11: 7,480,492 km (0.115 R)
• M12: 8,730,981 km (0.104 R)
• M13: 11,417,010 km (0.116 R)
• M14: 13,220,861 km (0.064 R)
• M15: 13,776,917 km (0.073 R)
• M16: 14,881,847 km (0.066 R)
• M17: 15,650,780 km (0.116 R)
• M18: 17,750,087 km (0.083 R)
• M19: 19,378,908 km (0.079 R)
• M20: 20,031,155 km (0.095 R)
• M21: 20,833,299 km (0.086 R)
• M22: 21,587,272 km (0.105 R)
• M23: 22,932,306 km (0.087 R)
• M24: 26,024,345 km (0.072 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107

Radius: 14.3

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.72 AU - 4.7 AU

Year: 5963 Days

Day: 6.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,879,314 km

• M1: 177,872 km (0.104 R)
• M2: 738,565 km (0.077 R)
• M3: 1,268,740 km (0.085 R)
• M4: 2,401,046 km (0.078 R)
• M5: 3,638,669 km (0.102 R)
• M6: 4,514,864 km (0.108 R)
• M7: 5,922,430 km (0.031 R)
• M8: 6,523,514 km (0.094 R)
• M9: 7,605,855 km (0.096 R)
• M10: 8,445,548 km (0.102 R)
• M11: 11,104,351 km (0.056 R)
• M12: 12,561,135 km (0.036 R)
• M13: 13,690,150 km (0.066 R)
• M14: 15,219,489 km (0.101 R)
• M15: 15,753,703 km (0.07 R)
• M16: 16,300,483 km (0.042 R)
• M17: 16,962,903 km (0.1 R)
• M18: 17,749,638 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 669.6

Radius: 4.5

Gravity: 33.07 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 7.87 AU - 8.59 AU

Year: 16297 Days

Day: 16.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,879,314 km

• M1: 55,950 km (0.091 R)
• M2: 291,716 km (0.084 R)
• M3: 529,128 km (0.097 R)
• M4: 737,966 km (0.032 R)
• M5: 1,628,373 km (0.026 R)
• M6: 1,833,172 km (0.11 R)
• M7: 2,421,391 km (0.117 R)
• M8: 3,076,181 km (0.075 R)
• M9: 3,754,009 km (0.098 R)
• M10: 3,930,534 km (0.071 R)
• M11: 4,760,653 km (0.118 R)
• M12: 6,174,951 km (0.066 R)
• M13: 6,631,524 km (0.094 R)
• M14: 7,110,387 km (0.064 R)
• M15: 7,335,532 km (0.099 R)
• M16: 7,943,198 km (0.08 R)
• M17: 9,311,271 km (0.086 R)
• M18: 10,079,157 km (0.079 R)
• M19: 10,536,328 km (0.098 R)
• M20: 12,766,533 km (0.063 R)
• M21: 15,292,493 km (0.038 R)
• M22: 17,069,715 km (0.073 R)
• M23: 28,047,955 km (0.047 R)
• M24: 34,393,448 km (0.118 R)
• M25: 36,083,904 km (0.114 R)
• M26: 37,829,113 km (0.103 R)
• M27: 41,053,096 km (0.085 R)
• M28: 43,550,483 km (0.104 R)
• M29: 45,065,760 km (0.074 R)
• M30: 47,562,997 km (0.025 R)
• M31: 48,683,785 km (0.116 R)
• M32: 50,315,449 km (0.115 R)
• M33: 65,879,312 km (0.079 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 18,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit