🌌 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: 410.4

Radius: 12.4

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.57 AU - 0.87 AU

Year: 407 Days

Day: 5.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 59,993,136 km

• M1: 154,235 km (0.113 R)
• M2: 625,768 km (0.067 R)
• M3: 1,205,160 km (0.117 R)
• M4: 2,107,535 km (0.101 R)
• M5: 2,670,023 km (0.112 R)
• M6: 3,150,980 km (0.107 R)
• M7: 4,485,393 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 848.1

Radius: 11.9

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.84 AU - 0.94 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 59,993,136 km

• M1: 147,952 km (0.11 R)
• M2: 531,222 km (0.062 R)
• M3: 934,388 km (0.088 R)
• M4: 1,641,687 km (0.117 R)
• M5: 2,470,010 km (0.086 R)
• M6: 2,892,924 km (0.08 R)
• M7: 3,377,022 km (0.11 R)
• M8: 3,872,640 km (0.105 R)
• M9: 5,197,778 km (0.06 R)
• M10: 5,694,742 km (0.092 R)
• M11: 6,068,886 km (0.082 R)
• M12: 6,887,935 km (0.081 R)
• M13: 7,488,720 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.9

Radius: 8.8

Gravity: 8.53 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.26 AU - 1.56 AU

Year: 1116 Days

Day: 13.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 59,993,136 km

• M1: 109,506 km (0.072 R)
• M2: 391,348 km (0.069 R)
• M3: 725,101 km (0.112 R)
• M4: 1,004,400 km (0.071 R)
• M5: 1,319,453 km (0.068 R)
• M6: 1,691,802 km (0.096 R)
• M7: 2,263,865 km (0.044 R)
• M8: 2,999,886 km (0.103 R)
• M9: 4,920,124 km (0.086 R)
• M10: 5,368,918 km (0.079 R)
• M11: 5,909,116 km (0.069 R)
• M12: 6,326,344 km (0.102 R)
• M13: 7,620,366 km (0.118 R)
• M14: 8,088,607 km (0.105 R)
• M15: 8,742,649 km (0.106 R)
• M16: 9,698,879 km (0.086 R)
• M17: 10,819,816 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 13.8

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.6 AU - 2.06 AU

Year: 1651 Days

Day: 5.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 59,993,136 km

• M1: 172,935 km (0.109 R)
• M2: 619,784 km (0.117 R)
• M3: 1,213,688 km (0.12 R)
• M4: 1,698,983 km (0.104 R)
• M5: 3,637,472 km (0.099 R)
• M6: 5,238,768 km (0.077 R)
• M7: 7,686,638 km (0.118 R)
• M8: 8,327,066 km (0.065 R)
• M9: 9,225,701 km (0.113 R)
• M10: 14,716,990 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.5

Radius: 12.5

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.91 AU - 2.89 AU

Year: 2479 Days

Day: 10.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,993,136 km

• M1: 156,031 km (0.069 R)
• M2: 643,420 km (0.073 R)
• M3: 1,715,439 km (0.092 R)
• M4: 2,119,203 km (0.108 R)
• M5: 3,239,991 km (0.042 R)
• M6: 3,753,111 km (0.07 R)
• M7: 4,832,310 km (0.05 R)
• M8: 5,480,668 km (0.077 R)
• M9: 6,056,171 km (0.115 R)
• M10: 7,009,109 km (0.03 R)
• M11: 8,028,170 km (0.116 R)
• M12: 8,771,821 km (0.108 R)
• M13: 11,399,507 km (0.091 R)
• M14: 11,842,766 km (0.074 R)
• M15: 12,297,543 km (0.063 R)
• M16: 12,806,924 km (0.11 R)
• M17: 14,234,537 km (0.104 R)
• M18: 14,987,014 km (0.086 R)
• M19: 15,519,582 km (0.114 R)
• M20: 18,594,417 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.7

Radius: 11.2

Gravity: 6.34 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.55 AU - 4.25 AU

Year: 4181 Days

Day: 7.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 59,993,136 km

• M1: 139,425 km (0.049 R)
• M2: 703,110 km (0.068 R)
• M3: 1,101,190 km (0.028 R)
• M4: 1,605,185 km (0.116 R)
• M5: 1,959,732 km (0.116 R)
• M6: 2,974,903 km (0.043 R)
• M7: 3,395,722 km (0.058 R)
• M8: 4,334,598 km (0.081 R)
• M9: 4,826,775 km (0.075 R)
• M10: 8,049,562 km (0.119 R)
• M11: 8,491,774 km (0.092 R)
• M12: 11,402,200 km (0.03 R)
• M13: 13,436,731 km (0.113 R)
• M14: 14,059,956 km (0.103 R)
• M15: 17,714,632 km (0.082 R)
• M16: 19,040,219 km (0.082 R)
• M17: 19,760,383 km (0.073 R)
• M18: 20,228,026 km (0.1 R)
• M19: 22,244,755 km (0.107 R)
• M20: 25,163,559 km (0.069 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 740.9

Radius: 12.5

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.04 AU - 4.14 AU

Year: 4536 Days

Day: 8.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 59,993,136 km

• M1: 155,881 km (0.116 R)
• M2: 889,659 km (0.105 R)
• M3: 1,321,398 km (0.056 R)
• M4: 1,753,287 km (0.081 R)
• M5: 2,420,643 km (0.087 R)
• M6: 2,859,115 km (0.109 R)
• M7: 4,629,456 km (0.099 R)
• M8: 5,094,555 km (0.093 R)
• M9: 5,562,498 km (0.064 R)
• M10: 7,872,139 km (0.099 R)
• M11: 8,651,993 km (0.077 R)
• M12: 9,605,380 km (0.113 R)
• M13: 10,150,515 km (0.079 R)
• M14: 10,671,863 km (0.103 R)
• M15: 12,738,408 km (0.102 R)
• M16: 14,292,281 km (0.079 R)
• M17: 15,452,862 km (0.097 R)
• M18: 16,319,632 km (0.115 R)
• M19: 16,735,215 km (0.07 R)
• M20: 17,279,751 km (0.082 R)
• M21: 18,404,278 km (0.046 R)
• M22: 19,911,626 km (0.113 R)
• M23: 25,796,956 km (0.119 R)
• M24: 26,687,662 km (0.106 R)
• M25: 27,514,938 km (0.085 R)
• M26: 28,615,978 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395.9

Radius: 5.5

Gravity: 13.09 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 6 AU - 7.76 AU

Year: 12034 Days

Day: 21.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 59,993,136 km

• M1: 68,366 km (0.114 R)
• M2: 286,181 km (0.087 R)
• M3: 474,225 km (0.066 R)
• M4: 870,360 km (0.09 R)
• M5: 1,112,559 km (0.074 R)
• M6: 1,373,458 km (0.103 R)
• M7: 1,588,281 km (0.117 R)
• M8: 2,086,292 km (0.106 R)
• M9: 3,704,791 km (0.105 R)
• M10: 3,989,626 km (0.094 R)
• M11: 4,178,568 km (0.063 R)
• M12: 4,487,338 km (0.086 R)
• M13: 6,783,366 km (0.072 R)
• M14: 7,490,964 km (0.086 R)
• M15: 7,904,751 km (0.06 R)
• M16: 9,191,293 km (0.086 R)
• M17: 10,106,084 km (0.112 R)
• M18: 10,356,511 km (0.106 R)
• M19: 11,186,181 km (0.093 R)
• M20: 12,341,076 km (0.112 R)
• M21: 14,188,012 km (0.03 R)
• M22: 16,211,622 km (0.078 R)
• M23: 18,345,636 km (0.113 R)
• M24: 21,554,959 km (0.119 R)
• M25: 21,886,916 km (0.08 R)
• M26: 24,305,914 km (0.099 R)
• M27: 25,119,726 km (0.087 R)
• M28: 27,767,908 km (0.064 R)
• M29: 30,181,071 km (0.096 R)
• M30: 30,700,924 km (0.109 R)
• M31: 35,535,029 km (0.044 R)
• M32: 39,229,947 km (0.089 R)
• M33: 42,260,501 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 869.3

Radius: 3.9

Gravity: 57.15 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 6.19 AU - 7.87 AU

Year: 12430 Days

Day: 15.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 59,993,136 km

• M1: 48,619 km (0.106 R)
• M2: 202,705 km (0.089 R)
• M3: 386,561 km (0.09 R)
• M4: 806,781 km (0.072 R)
• M5: 940,821 km (0.089 R)
• M6: 1,571,825 km (0.065 R)
• M7: 1,699,581 km (0.069 R)
• M8: 2,510,103 km (0.068 R)
• M9: 3,035,939 km (0.09 R)
• M10: 3,260,486 km (0.118 R)
• M11: 3,577,035 km (0.046 R)
• M12: 3,942,801 km (0.074 R)
• M13: 4,521,446 km (0.039 R)
• M14: 4,814,508 km (0.082 R)
• M15: 5,051,023 km (0.111 R)
• M16: 5,402,428 km (0.051 R)
• M17: 6,472,950 km (0.079 R)
• M18: 10,519,423 km (0.054 R)
• M19: 11,091,485 km (0.113 R)
• M20: 12,739,306 km (0.12 R)
• M21: 16,586,963 km (0.078 R)
• M22: 17,126,114 km (0.053 R)
• M23: 17,756,669 km (0.113 R)
• M24: 18,566,293 km (0.104 R)
• M25: 19,147,630 km (0.064 R)
• M26: 23,560,169 km (0.083 R)
• M27: 24,935,123 km (0.089 R)
• M28: 25,540,545 km (0.038 R)
• M29: 27,843,904 km (0.113 R)
• M30: 34,947,259 km (0.094 R)
• M31: 46,726,596 km (0.105 R)
• M32: 49,678,760 km (0.102 R)
• M33: 52,259,323 km (0.103 R)
• M34: 55,608,820 km (0.103 R)
• M35: 55,779,810 km (0.075 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: 463 - 17,465 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit