🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.62 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.3

Radius: 13.8

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.97 AU - 1.51 AU

Year: 906 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,731,490 km

• M1: 171,888 km (0.087 R)
• M2: 641,625 km (0.1 R)
• M3: 1,201,869 km (0.102 R)
• M4: 1,656,497 km (0.091 R)
• M5: 2,089,583 km (0.103 R)
• M6: 2,919,552 km (0.119 R)
• M7: 3,601,718 km (0.101 R)
• M8: 4,312,308 km (0.094 R)
• M9: 4,896,937 km (0.061 R)
• M10: 5,845,387 km (0.093 R)
• M11: 6,403,387 km (0.096 R)
• M12: 7,081,514 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.3

Radius: 9

Gravity: 6.78 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2.68 AU - 3.24 AU

Year: 3341 Days

Day: 14.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,731,490 km

• M1: 111,899 km (0.116 R)
• M2: 445,203 km (0.043 R)
• M3: 830,717 km (0.12 R)
• M4: 1,329,027 km (0.11 R)
• M5: 2,485,419 km (0.098 R)
• M6: 2,842,509 km (0.104 R)
• M7: 3,837,485 km (0.05 R)
• M8: 4,145,656 km (0.096 R)
• M9: 4,470,134 km (0.107 R)
• M10: 5,000,907 km (0.114 R)
• M11: 5,808,586 km (0.11 R)
• M12: 7,027,659 km (0.118 R)
• M13: 7,490,515 km (0.112 R)
• M14: 8,580,784 km (0.118 R)
• M15: 8,966,747 km (0.106 R)
• M16: 9,548,832 km (0.091 R)
• M17: 12,753,518 km (0.114 R)
• M18: 13,916,192 km (0.114 R)
• M19: 15,300,571 km (0.068 R)
• M20: 15,712,414 km (0.066 R)
• M21: 16,504,684 km (0.036 R)
• M22: 19,578,023 km (0.052 R)
• M23: 20,124,953 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.6

Radius: 12.7

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 3.6 AU - 4.78 AU

Year: 5626 Days

Day: 12 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,731,490 km

• M1: 157,975 km (0.062 R)
• M2: 1,296,714 km (0.113 R)
• M3: 2,141,793 km (0.056 R)
• M4: 3,094,282 km (0.106 R)
• M5: 4,399,823 km (0.112 R)
• M6: 4,908,306 km (0.075 R)
• M7: 7,799,734 km (0.119 R)
• M8: 8,688,495 km (0.08 R)
• M9: 9,835,162 km (0.028 R)
• M10: 10,305,199 km (0.117 R)
• M11: 16,902,315 km (0.065 R)
• M12: 21,295,257 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 489.9

Radius: 13.8

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 4.52 AU - 4.74 AU

Year: 6536 Days

Day: 8.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,731,490 km

• M1: 175,628 km (0.1 R)
• M2: 1,038,658 km (0.032 R)
• M3: 1,644,978 km (0.077 R)
• M4: 2,105,889 km (0.074 R)
• M5: 3,176,412 km (0.086 R)
• M6: 3,767,323 km (0.107 R)
• M7: 4,282,538 km (0.078 R)
• M8: 5,033,819 km (0.098 R)
• M9: 5,484,856 km (0.09 R)
• M10: 6,055,871 km (0.078 R)
• M11: 8,471,279 km (0.068 R)
• M12: 9,277,910 km (0.029 R)
• M13: 12,156,772 km (0.114 R)
• M14: 13,025,935 km (0.088 R)
• M15: 13,826,882 km (0.099 R)
• M16: 14,717,139 km (0.036 R)
• M17: 15,823,565 km (0.102 R)
• M18: 18,333,518 km (0.118 R)
• M19: 20,100,867 km (0.119 R)
• M20: 21,462,507 km (0.077 R)
• M21: 25,175,526 km (0.112 R)
• M22: 26,756,926 km (0.097 R)
• M23: 28,758,695 km (0.082 R)
• M24: 30,952,099 km (0.079 R)
• M25: 31,612,274 km (0.058 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.5

Radius: 7.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.1 AU - 7.18 AU

Year: 9981 Days

Day: 18 Hours

Environment

Temp: -221 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,731,490 km

• M1: 90,357 km (0.115 R)
• M2: 4,438,120 km (0.104 R)
• M3: 5,033,071 km (0.096 R)
• M4: 5,382,232 km (0.12 R)
• M5: 6,639,303 km (0.07 R)
• M6: 7,296,487 km (0.063 R)
• M7: 13,460,816 km (0.101 R)
• M8: 16,085,511 km (0.1 R)
• M9: 19,569,645 km (0.101 R)
• M10: 20,433,573 km (0.086 R)
• M11: 22,661,534 km (0.055 R)
• M12: 24,502,785 km (0.086 R)
• M13: 26,821,851 km (0.119 R)
• M14: 27,399,598 km (0.084 R)
• M15: 28,980,399 km (0.099 R)
• M16: 38,046,030 km (0.094 R)
• M17: 42,952,840 km (0.099 R)
• M18: 43,876,008 km (0.104 R)
• M19: 44,947,279 km (0.042 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 353.1

Radius: 5.8

Gravity: 10.5 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 5.19 AU - 7.29 AU

Year: 10226 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,731,490 km

• M1: 72,555 km (0.105 R)
• M2: 873,053 km (0.069 R)
• M3: 1,061,546 km (0.089 R)
• M4: 1,336,059 km (0.098 R)
• M5: 2,225,568 km (0.095 R)
• M6: 2,658,653 km (0.082 R)
• M7: 2,875,271 km (0.106 R)
• M8: 4,737,615 km (0.034 R)
• M9: 5,206,754 km (0.078 R)
• M10: 5,610,369 km (0.116 R)
• M11: 6,237,334 km (0.098 R)
• M12: 7,094,829 km (0.112 R)
• M13: 8,866,516 km (0.112 R)
• M14: 9,854,461 km (0.09 R)
• M15: 11,993,710 km (0.11 R)
• M16: 14,605,091 km (0.089 R)
• M17: 15,219,040 km (0.105 R)
• M18: 15,406,636 km (0.051 R)
• M19: 15,595,578 km (0.106 R)
• M20: 21,150,147 km (0.089 R)
• M21: 22,658,841 km (0.108 R)
• M22: 23,983,979 km (0.108 R)
• M23: 26,335,808 km (0.082 R)
• M24: 28,456,806 km (0.1 R)
• M25: 29,124,312 km (0.119 R)
• M26: 32,001,079 km (0.077 R)
• M27: 33,244,836 km (0.052 R)
• M28: 34,736,326 km (0.056 R)
• M29: 38,311,865 km (0.043 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790

Radius: 3.7

Gravity: 57.71 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.88 AU - 7.82 AU

Year: 10497 Days

Day: 19.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,731,490 km

• M1: 46,076 km (0.116 R)
• M2: 266,583 km (0.111 R)
• M3: 436,527 km (0.092 R)
• M4: 710,590 km (0.107 R)
• M5: 1,101,489 km (0.088 R)
• M6: 1,377,647 km (0.096 R)
• M7: 2,213,300 km (0.111 R)
• M8: 5,363,084 km (0.104 R)
• M9: 5,675,893 km (0.097 R)
• M10: 6,647,531 km (0.064 R)
• M11: 6,766,312 km (0.094 R)
• M12: 8,443,154 km (0.06 R)
• M13: 8,913,939 km (0.117 R)
• M14: 9,401,927 km (0.102 R)
• M15: 9,753,931 km (0.091 R)
• M16: 11,083,257 km (0.068 R)
• M17: 11,476,101 km (0.042 R)
• M18: 12,832,206 km (0.113 R)
• M19: 13,078,594 km (0.08 R)
• M20: 13,390,805 km (0.111 R)
• M21: 14,357,506 km (0.087 R)
• M22: 14,489,751 km (0.054 R)
• M23: 16,646,054 km (0.038 R)
• M24: 16,792,062 km (0.073 R)
• M25: 17,160,970 km (0.108 R)
• M26: 17,991,388 km (0.063 R)
• M27: 19,731,959 km (0.069 R)
• M28: 21,495,120 km (0.056 R)
• M29: 22,281,855 km (0.097 R)
• M30: 23,178,395 km (0.108 R)
• M31: 23,820,020 km (0.069 R)
• M32: 29,599,136 km (0.059 R)
• M33: 32,467,974 km (0.069 R)
• M34: 33,155,376 km (0.092 R)
• M35: 38,495,122 km (0.092 R)
• M36: 43,544,649 km (0.118 R)
• M37: 44,380,303 km (0.104 R)
• M38: 45,939,861 km (0.069 R)
• M39: 47,682,526 km (0.117 R)
• M40: 47,829,581 km (0.087 R)
• M41: 48,570,090 km (0.119 R)
• M42: 51,608,273 km (0.111 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.3

Radius: 8

Gravity: 15.3 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.58 AU - 8.16 AU

Year: 13125 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,731,490 km

• M1: 103,671 km (0.062 R)
• M2: 379,380 km (0.118 R)
• M3: 750,832 km (0.079 R)
• M4: 1,015,470 km (0.112 R)
• M5: 2,081,355 km (0.105 R)
• M6: 2,507,709 km (0.111 R)
• M7: 3,590,199 km (0.099 R)
• M8: 4,022,537 km (0.081 R)
• M9: 4,652,494 km (0.079 R)
• M10: 5,530,334 km (0.033 R)
• M11: 7,564,566 km (0.116 R)
• M12: 8,622,672 km (0.079 R)
• M13: 9,505,449 km (0.073 R)
• M14: 10,562,058 km (0.051 R)
• M15: 10,911,369 km (0.084 R)
• M16: 14,987,163 km (0.119 R)
• M17: 19,364,846 km (0.045 R)
• M18: 25,139,324 km (0.113 R)
• M19: 25,657,980 km (0.057 R)
• M20: 27,366,088 km (0.06 R)
• M21: 31,965,624 km (0.096 R)
• M22: 33,067,113 km (0.11 R)
• M23: 35,735,491 km (0.101 R)
• M24: 37,862,473 km (0.114 R)
• M25: 51,919,138 km (0.094 R)
• M26: 53,953,370 km (0.108 R)
• M27: 57,819,577 km (0.057 R)
• M28: 58,360,673 km (0.086 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,693 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit