🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 686.2

Radius: 13.8

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.68 AU - 0.7 AU

Year: 382 Days

Day: 11.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,916,481 km

• M1: 171,589 km (0.114 R)
• M2: 694,733 km (0.111 R)
• M3: 1,397,543 km (0.092 R)
• M4: 1,865,635 km (0.069 R)
• M5: 2,324,601 km (0.081 R)
• M6: 2,941,543 km (0.058 R)
• M7: 3,419,658 km (0.11 R)
• M8: 4,156,278 km (0.065 R)
• M9: 5,441,922 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.6

Radius: 14.6

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.35 AU - 1.47 AU

Year: 1116 Days

Day: 12.4 Hours

Environment

Temp: -182 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,916,481 km

• M1: 181,612 km (0.052 R)
• M2: 683,064 km (0.094 R)
• M3: 1,731,296 km (0.088 R)
• M4: 2,312,185 km (0.116 R)
• M5: 2,907,285 km (0.1 R)
• M6: 3,387,943 km (0.117 R)
• M7: 4,359,581 km (0.09 R)
• M8: 4,994,175 km (0.119 R)
• M9: 5,510,138 km (0.083 R)
• M10: 6,740,282 km (0.052 R)
• M11: 7,372,333 km (0.089 R)
• M12: 8,674,433 km (0.1 R)
• M13: 9,682,573 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344

Radius: 13

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.6 AU - 3.74 AU

Year: 4688 Days

Day: 8.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,916,481 km

• M1: 161,715 km (0.09 R)
• M2: 591,360 km (0.044 R)
• M3: 1,027,737 km (0.098 R)
• M4: 1,568,833 km (0.115 R)
• M5: 2,002,367 km (0.032 R)
• M6: 2,532,094 km (0.077 R)
• M7: 3,484,434 km (0.082 R)
• M8: 4,323,528 km (0.118 R)
• M9: 5,843,592 km (0.117 R)
• M10: 6,403,088 km (0.084 R)
• M11: 10,026,947 km (0.111 R)
• M12: 13,406,363 km (0.096 R)
• M13: 15,562,517 km (0.076 R)
• M14: 16,530,266 km (0.041 R)
• M15: 17,197,622 km (0.087 R)
• M16: 20,235,954 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.43 AU - 4.19 AU

Year: 4959 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 49.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,916,481 km

• M1: 113,694 km (0.082 R)
• M2: 425,456 km (0.094 R)
• M3: 829,670 km (0.12 R)
• M4: 1,294,022 km (0.079 R)
• M5: 1,660,088 km (0.055 R)
• M6: 1,950,307 km (0.087 R)
• M7: 2,526,558 km (0.107 R)
• M8: 3,453,616 km (0.095 R)
• M9: 4,253,516 km (0.095 R)
• M10: 4,545,980 km (0.087 R)
• M11: 5,323,889 km (0.106 R)
• M12: 5,691,152 km (0.095 R)
• M13: 6,773,642 km (0.12 R)
• M14: 7,268,512 km (0.078 R)
• M15: 7,655,222 km (0.105 R)
• M16: 9,799,109 km (0.114 R)
• M17: 12,360,374 km (0.048 R)
• M18: 13,624,776 km (0.062 R)
• M19: 14,363,490 km (0.072 R)
• M20: 15,232,654 km (0.113 R)
• M21: 21,264,141 km (0.078 R)
• M22: 22,324,789 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 185

Radius: 11.3

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.22 AU - 5.82 AU

Year: 7500 Days

Day: 11.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,916,481 km

• M1: 141,071 km (0.107 R)
• M2: 552,465 km (0.063 R)
• M3: 1,203,365 km (0.103 R)
• M4: 1,569,581 km (0.059 R)
• M5: 2,798,378 km (0.114 R)
• M6: 3,514,652 km (0.093 R)
• M7: 4,280,893 km (0.103 R)
• M8: 5,391,208 km (0.113 R)
• M9: 10,957,595 km (0.106 R)
• M10: 19,182,636 km (0.117 R)
• M11: 21,335,200 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.6

Radius: 12.4

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 4.38 AU - 5.78 AU

Year: 7635 Days

Day: 6.1 Hours

Environment

Temp: -217 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,916,481 km

• M1: 154,235 km (0.064 R)
• M2: 568,622 km (0.056 R)
• M3: 999,164 km (0.088 R)
• M4: 1,864,588 km (0.069 R)
• M5: 2,413,612 km (0.096 R)
• M6: 3,032,947 km (0.078 R)
• M7: 5,912,257 km (0.106 R)
• M8: 7,238,592 km (0.099 R)
• M9: 7,814,694 km (0.069 R)
• M10: 8,457,665 km (0.108 R)
• M11: 8,905,711 km (0.072 R)
• M12: 9,567,681 km (0.11 R)
• M13: 11,524,272 km (0.064 R)
• M14: 11,936,265 km (0.056 R)
• M15: 12,985,095 km (0.067 R)
• M16: 14,940,190 km (0.093 R)
• M17: 17,620,684 km (0.067 R)
• M18: 18,539,814 km (0.052 R)
• M19: 19,042,911 km (0.1 R)
• M20: 19,749,612 km (0.071 R)
• M21: 20,607,256 km (0.075 R)
• M22: 21,558,400 km (0.07 R)
• M23: 22,044,742 km (0.056 R)
• M24: 23,256,784 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 666.2

Radius: 7.1

Gravity: 13.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 7.25 AU - 10.26 AU

Year: 17260 Days

Day: 23.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,916,481 km

• M1: 94,995 km (0.088 R)
• M2: 394,789 km (0.064 R)
• M3: 1,273,975 km (0.101 R)
• M4: 1,930,860 km (0.095 R)
• M5: 2,409,423 km (0.108 R)
• M6: 3,064,812 km (0.115 R)
• M7: 3,325,710 km (0.088 R)
• M8: 3,573,145 km (0.075 R)
• M9: 3,832,997 km (0.114 R)
• M10: 4,136,531 km (0.096 R)
• M11: 5,290,230 km (0.09 R)
• M12: 5,783,603 km (0.116 R)
• M13: 7,588,651 km (0.087 R)
• M14: 7,873,934 km (0.116 R)
• M15: 9,410,005 km (0.066 R)
• M16: 10,306,097 km (0.114 R)
• M17: 11,504,675 km (0.099 R)
• M18: 12,137,474 km (0.104 R)
• M19: 12,927,350 km (0.075 R)
• M20: 15,275,887 km (0.045 R)
• M21: 17,479,913 km (0.111 R)
• M22: 30,164,615 km (0.1 R)
• M23: 37,304,922 km (0.117 R)
• M24: 37,578,985 km (0.097 R)
• M25: 38,969,049 km (0.088 R)
• M26: 40,682,094 km (0.081 R)
• M27: 41,264,029 km (0.033 R)
• M28: 43,647,572 km (0.098 R)
• M29: 47,392,605 km (0.09 R)
• M30: 47,714,091 km (0.069 R)
• M31: 48,687,076 km (0.116 R)
• M32: 51,685,466 km (0.095 R)
• M33: 53,056,830 km (0.103 R)
• M34: 65,905,940 km (0.104 R)
• M35: 66,507,324 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.1

Radius: 7.5

Gravity: 4.84 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 8.94 AU - 8.94 AU

Year: 17825 Days

Day: 15.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,916,481 km

• M1: 93,349 km (0.115 R)
• M2: 399,875 km (0.092 R)
• M3: 682,316 km (0.039 R)
• M4: 1,002,156 km (0.087 R)
• M5: 3,579,279 km (0.091 R)
• M6: 5,669,909 km (0.102 R)
• M7: 7,033,344 km (0.055 R)
• M8: 7,922,853 km (0.06 R)
• M9: 9,568,729 km (0.069 R)
• M10: 11,262,176 km (0.094 R)
• M11: 15,925,142 km (0.108 R)
• M12: 20,291,156 km (0.063 R)
• M13: 25,878,636 km (0.12 R)
• M14: 33,908,601 km (0.097 R)
• M15: 47,871,618 km (0.052 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 581.1

Radius: 6.2

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 8.26 AU - 10.48 AU

Year: 19127 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 69,916,481 km

• M1: 77,492 km (0.083 R)
• M2: 438,771 km (0.115 R)
• M3: 714,629 km (0.047 R)
• M4: 1,042,548 km (0.058 R)
• M5: 1,561,503 km (0.082 R)
• M6: 2,000,722 km (0.096 R)
• M7: 2,430,517 km (0.113 R)
• M8: 2,773,844 km (0.088 R)
• M9: 3,071,394 km (0.03 R)
• M10: 4,820,343 km (0.071 R)
• M11: 5,514,477 km (0.075 R)
• M12: 6,612,375 km (0.102 R)
• M13: 8,193,475 km (0.05 R)
• M14: 9,232,732 km (0.111 R)
• M15: 9,840,548 km (0.104 R)
• M16: 11,196,952 km (0.055 R)
• M17: 11,696,609 km (0.105 R)
• M18: 14,493,640 km (0.11 R)
• M19: 14,937,198 km (0.057 R)
• M20: 16,401,761 km (0.069 R)
• M21: 19,523,569 km (0.104 R)
• M22: 20,155,620 km (0.034 R)
• M23: 21,651,599 km (0.117 R)
• M24: 22,036,814 km (0.076 R)
• M25: 22,426,666 km (0.085 R)
• M26: 23,522,320 km (0.095 R)
• M27: 28,723,240 km (0.097 R)
• M28: 30,373,304 km (0.106 R)
• M29: 33,861,029 km (0.093 R)
• M30: 35,168,515 km (0.113 R)
• M31: 42,214,724 km (0.059 R)
• M32: 43,881,843 km (0.115 R)
• M33: 46,543,937 km (0.087 R)
• M34: 53,578,328 km (0.089 R)
• M35: 53,929,883 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 17,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit