🌌 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: 115.5

Radius: 11.3

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.65 AU - 0.79 AU

Year: 401 Days

Day: 5.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 65,986,199 km

• M1: 141,220 km (0.056 R)
• M2: 666,010 km (0.104 R)
• M3: 1,218,175 km (0.077 R)
• M4: 1,600,248 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 13.4

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 0.76 AU - 1.02 AU

Year: 551 Days

Day: 14.6 Hours

Environment

Temp: -155 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,986,199 km

• M1: 166,652 km (0.108 R)
• M2: 707,000 km (0.12 R)
• M3: 1,182,422 km (0.085 R)
• M4: 1,863,391 km (0.09 R)
• M5: 2,823,510 km (0.077 R)
• M6: 3,305,814 km (0.049 R)
• M7: 4,007,278 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.9

Radius: 10

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.84 AU - 1.1 AU

Year: 627 Days

Day: 13.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,986,199 km

• M1: 124,316 km (0.092 R)
• M2: 454,179 km (0.076 R)
• M3: 791,971 km (0.095 R)
• M4: 1,189,004 km (0.073 R)
• M5: 1,501,813 km (0.042 R)
• M6: 1,878,201 km (0.119 R)
• M7: 2,466,420 km (0.062 R)
• M8: 2,793,890 km (0.078 R)
• M9: 3,116,872 km (0.084 R)
• M10: 3,749,521 km (0.106 R)
• M11: 4,508,431 km (0.065 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 13.2

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.05 AU - 1.39 AU

Year: 884 Days

Day: 14.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,986,199 km

• M1: 174,431 km (0.074 R)
• M2: 626,067 km (0.093 R)
• M3: 1,739,524 km (0.053 R)
• M4: 2,639,355 km (0.081 R)
• M5: 3,599,923 km (0.058 R)
• M6: 4,303,183 km (0.046 R)
• M7: 4,764,393 km (0.077 R)
• M8: 5,594,661 km (0.103 R)
• M9: 6,289,244 km (0.116 R)
• M10: 7,311,746 km (0.105 R)
• M11: 7,947,536 km (0.068 R)
• M12: 8,800,544 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 12.2

Gravity: 5.41 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.56 AU - 2.9 AU

Year: 2959 Days

Day: 9.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,986,199 km

• M1: 151,692 km (0.058 R)
• M2: 571,613 km (0.061 R)
• M3: 1,013,226 km (0.075 R)
• M4: 1,395,449 km (0.054 R)
• M5: 2,603,751 km (0.077 R)
• M6: 3,234,904 km (0.074 R)
• M7: 4,069,960 km (0.111 R)
• M8: 4,641,424 km (0.089 R)
• M9: 5,191,196 km (0.101 R)
• M10: 6,392,915 km (0.066 R)
• M11: 7,229,317 km (0.115 R)
• M12: 8,103,567 km (0.063 R)
• M13: 8,974,825 km (0.101 R)
• M14: 9,753,931 km (0.059 R)
• M15: 12,141,214 km (0.076 R)
• M16: 12,909,249 km (0.081 R)
• M17: 14,542,110 km (0.1 R)
• M18: 16,744,340 km (0.108 R)
• M19: 20,139,314 km (0.115 R)
• M20: 20,895,083 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 913.9

Radius: 11.6

Gravity: 6.79 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.59 AU - 3.67 AU

Year: 3633 Days

Day: 5.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,986,199 km

• M1: 144,362 km (0.078 R)
• M2: 566,826 km (0.085 R)
• M3: 1,766,152 km (0.117 R)
• M4: 2,166,626 km (0.102 R)
• M5: 2,530,747 km (0.116 R)
• M6: 2,918,505 km (0.079 R)
• M7: 3,287,862 km (0.058 R)
• M8: 4,259,051 km (0.103 R)
• M9: 5,277,364 km (0.078 R)
• M10: 6,986,071 km (0.093 R)
• M11: 7,653,128 km (0.118 R)
• M12: 8,998,761 km (0.074 R)
• M13: 9,467,451 km (0.065 R)
• M14: 9,952,447 km (0.057 R)
• M15: 10,496,385 km (0.103 R)
• M16: 12,486,336 km (0.051 R)
• M17: 15,257,786 km (0.089 R)
• M18: 16,554,201 km (0.1 R)
• M19: 17,080,935 km (0.102 R)
• M20: 18,665,775 km (0.077 R)
• M21: 20,015,896 km (0.102 R)
• M22: 22,694,147 km (0.066 R)
• M23: 23,859,065 km (0.054 R)
• M24: 25,063,328 km (0.115 R)
• M25: 25,914,540 km (0.084 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 517.8

Radius: 7.2

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 6.4 AU - 8.76 AU

Year: 13690 Days

Day: 15.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 65,986,199 km

• M1: 89,609 km (0.103 R)
• M2: 363,074 km (0.108 R)
• M3: 814,112 km (0.107 R)
• M4: 1,089,671 km (0.113 R)
• M5: 2,201,931 km (0.118 R)
• M6: 3,986,783 km (0.11 R)
• M7: 4,215,369 km (0.099 R)
• M8: 4,482,999 km (0.108 R)
• M9: 7,822,323 km (0.098 R)
• M10: 9,129,360 km (0.101 R)
• M11: 10,684,878 km (0.096 R)
• M12: 11,873,583 km (0.033 R)
• M13: 13,022,943 km (0.054 R)
• M14: 13,400,828 km (0.083 R)
• M15: 14,046,941 km (0.058 R)
• M16: 15,611,585 km (0.12 R)
• M17: 16,038,089 km (0.065 R)
• M18: 17,440,120 km (0.092 R)
• M19: 18,762,266 km (0.063 R)
• M20: 21,604,775 km (0.091 R)
• M21: 25,301,488 km (0.112 R)
• M22: 26,187,706 km (0.094 R)
• M23: 27,094,568 km (0.094 R)
• M24: 28,126,494 km (0.073 R)
• M25: 31,604,645 km (0.11 R)
• M26: 40,858,320 km (0.112 R)
• M27: 43,880,496 km (0.091 R)
• M28: 44,729,763 km (0.075 R)
• M29: 48,237,085 km (0.1 R)
• M30: 49,445,836 km (0.051 R)
• M31: 49,904,204 km (0.106 R)
• M32: 53,033,044 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 670.8

Radius: 3.1

Gravity: 69.8 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.17 AU - 9.97 AU

Year: 19421 Days

Day: 22.7 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 65,986,199 km

• M1: 94,396 km (0.09 R)
• M2: 220,806 km (0.088 R)
• M3: 353,350 km (0.091 R)
• M4: 676,482 km (0.079 R)
• M5: 1,281,007 km (0.077 R)
• M6: 1,717,084 km (0.101 R)
• M7: 1,901,389 km (0.045 R)
• M8: 2,949,172 km (0.074 R)
• M9: 3,323,765 km (0.106 R)
• M10: 3,699,256 km (0.115 R)
• M11: 5,723,465 km (0.042 R)
• M12: 8,644,962 km (0.113 R)
• M13: 9,295,563 km (0.083 R)
• M14: 9,519,511 km (0.09 R)
• M15: 9,747,049 km (0.111 R)
• M16: 10,632,669 km (0.071 R)
• M17: 11,189,023 km (0.114 R)
• M18: 11,895,125 km (0.07 R)
• M19: 12,359,626 km (0.041 R)
• M20: 14,338,806 km (0.114 R)
• M21: 14,637,703 km (0.113 R)
• M22: 15,248,062 km (0.109 R)
• M23: 17,348,715 km (0.102 R)
• M24: 17,602,882 km (0.107 R)
• M25: 17,773,723 km (0.118 R)
• M26: 18,205,462 km (0.075 R)
• M27: 18,732,945 km (0.099 R)
• M28: 25,006,780 km (0.081 R)
• M29: 28,611,490 km (0.057 R)
• M30: 29,204,197 km (0.082 R)
• M31: 32,675,765 km (0.092 R)
• M32: 34,244,299 km (0.119 R)
• M33: 36,412,571 km (0.067 R)
• M34: 37,108,500 km (0.114 R)
• M35: 46,978,070 km (0.077 R)
• M36: 47,968,557 km (0.106 R)
• M37: 48,972,957 km (0.038 R)
• M38: 63,532,271 km (0.029 R)
• M39: 63,733,031 km (0.106 R)
• M40: 72,112,906 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.6

Radius: 7.9

Gravity: 7.27 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.63 AU - 9.79 AU

Year: 19849 Days

Day: 20.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 111.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 65,986,199 km

• M1: 98,286 km (0.054 R)
• M2: 405,111 km (0.113 R)
• M3: 1,338,303 km (0.099 R)
• M4: 1,607,429 km (0.043 R)
• M5: 2,004,611 km (0.111 R)
• M6: 2,444,579 km (0.082 R)
• M7: 2,899,057 km (0.103 R)
• M8: 3,600,671 km (0.096 R)
• M9: 4,442,907 km (0.1 R)
• M10: 5,300,402 km (0.119 R)
• M11: 10,822,957 km (0.098 R)
• M12: 12,755,313 km (0.12 R)
• M13: 13,221,609 km (0.116 R)
• M14: 15,275,289 km (0.084 R)
• M15: 15,877,271 km (0.115 R)
• M16: 21,743,003 km (0.053 R)
• M17: 23,980,389 km (0.036 R)
• M18: 25,415,033 km (0.091 R)
• M19: 26,689,457 km (0.058 R)
• M20: 27,452,406 km (0.097 R)
• M21: 28,454,413 km (0.117 R)
• M22: 28,907,395 km (0.096 R)
• M23: 32,460,344 km (0.11 R)
• M24: 34,086,473 km (0.069 R)
• M25: 43,485,707 km (0.12 R)
• M26: 45,459,801 km (0.103 R)
• M27: 47,492,986 km (0.059 R)
• M28: 57,846,953 km (0.072 R)
• M29: 61,732,609 km (0.101 R)
• M30: 65,394,914 km (0.069 R)
• M31: 65,986,125 km (0.091 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: 510 - 18,414 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit