🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.7

Radius: 8.1

Gravity: 14.23 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.92 AU - 1.02 AU

Year: 627 Days

Day: 13.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,909,501 km

• M1: 100,679 km (0.099 R)
• M2: 359,633 km (0.11 R)
• M3: 634,893 km (0.075 R)
• M4: 1,155,045 km (0.067 R)
• M5: 1,441,824 km (0.079 R)
• M6: 1,810,882 km (0.114 R)
• M7: 2,192,058 km (0.119 R)
• M8: 2,626,041 km (0.106 R)
• M9: 3,609,797 km (0.098 R)
• M10: 4,138,924 km (0.095 R)
• M11: 5,028,583 km (0.104 R)
• M12: 5,688,908 km (0.074 R)
• M13: 6,180,486 km (0.118 R)
• M14: 6,615,068 km (0.1 R)
• M15: 6,916,059 km (0.101 R)
• M16: 7,316,383 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.4

Radius: 10.9

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 1.42 AU - 1.78 AU

Year: 1328 Days

Day: 9.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 70,909,501 km

• M1: 143,464 km (0.102 R)
• M2: 635,193 km (0.049 R)
• M3: 1,094,009 km (0.103 R)
• M4: 1,539,661 km (0.118 R)
• M5: 2,916,111 km (0.101 R)
• M6: 3,511,212 km (0.079 R)
• M7: 3,957,462 km (0.102 R)
• M8: 4,707,546 km (0.079 R)
• M9: 5,189,251 km (0.073 R)
• M10: 6,204,572 km (0.114 R)
• M11: 7,667,639 km (0.061 R)
• M12: 8,335,893 km (0.093 R)
• M13: 9,133,698 km (0.083 R)
• M14: 11,227,919 km (0.088 R)
• M15: 12,612,896 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.4

Radius: 8.4

Gravity: 13.5 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.99 AU - 2.37 AU

Year: 2112 Days

Day: 8.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 70,909,501 km

• M1: 111,002 km (0.067 R)
• M2: 564,582 km (0.051 R)
• M3: 845,976 km (0.108 R)
• M4: 1,172,698 km (0.109 R)
• M5: 1,700,629 km (0.116 R)
• M6: 2,001,320 km (0.104 R)
• M7: 2,270,148 km (0.116 R)
• M8: 2,651,473 km (0.061 R)
• M9: 2,929,126 km (0.088 R)
• M10: 3,862,019 km (0.106 R)
• M11: 4,821,839 km (0.091 R)
• M12: 5,552,923 km (0.105 R)
• M13: 7,999,896 km (0.063 R)
• M14: 8,750,877 km (0.081 R)
• M15: 9,265,494 km (0.08 R)
• M16: 10,430,562 km (0.085 R)
• M17: 11,731,315 km (0.1 R)
• M18: 13,004,842 km (0.095 R)
• M19: 15,132,872 km (0.119 R)
• M20: 16,228,527 km (0.071 R)
• M21: 17,057,897 km (0.09 R)
• M22: 17,376,092 km (0.033 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 8.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.01 AU - 2.61 AU

Year: 2303 Days

Day: 9.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,909,501 km

• M1: 103,223 km (0.059 R)
• M2: 378,632 km (0.112 R)
• M3: 744,698 km (0.103 R)
• M4: 1,079,648 km (0.109 R)
• M5: 1,680,582 km (0.097 R)
• M6: 2,062,506 km (0.102 R)
• M7: 3,188,080 km (0.107 R)
• M8: 3,670,833 km (0.041 R)
• M9: 4,012,963 km (0.047 R)
• M10: 4,535,807 km (0.041 R)
• M11: 5,530,184 km (0.074 R)
• M12: 6,278,024 km (0.045 R)
• M13: 6,982,929 km (0.108 R)
• M14: 7,481,390 km (0.114 R)
• M15: 9,749,742 km (0.065 R)
• M16: 10,127,327 km (0.102 R)
• M17: 14,680,338 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.1

Radius: 11.9

Gravity: 5.73 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.7 AU - 5.66 AU

Year: 7734 Days

Day: 9.3 Hours

Environment

Temp: -210 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 70,909,501 km

• M1: 149,747 km (0.089 R)
• M2: 686,804 km (0.083 R)
• M3: 1,286,691 km (0.074 R)
• M4: 2,288,099 km (0.12 R)
• M5: 3,441,050 km (0.096 R)
• M6: 9,534,022 km (0.051 R)
• M7: 10,849,885 km (0.113 R)
• M8: 12,283,182 km (0.062 R)
• M9: 16,515,156 km (0.077 R)
• M10: 24,416,018 km (0.066 R)
• M11: 24,857,631 km (0.117 R)
• M12: 27,526,008 km (0.105 R)
• M13: 28,880,168 km (0.069 R)
• M14: 33,101,222 km (0.109 R)
• M15: 39,994,093 km (0.081 R)
• M16: 42,744,001 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 954

Radius: 5.1

Gravity: 36.68 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 5.64 AU - 7.5 AU

Year: 11047 Days

Day: 19.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 70,909,501 km

• M1: 63,429 km (0.113 R)
• M2: 227,090 km (0.044 R)
• M3: 449,242 km (0.119 R)
• M4: 795,561 km (0.107 R)
• M5: 1,545,346 km (0.059 R)
• M6: 1,832,424 km (0.069 R)
• M7: 2,006,855 km (0.027 R)
• M8: 2,250,401 km (0.055 R)
• M9: 2,450,862 km (0.055 R)
• M10: 2,619,758 km (0.075 R)
• M11: 2,957,700 km (0.092 R)
• M12: 3,324,214 km (0.093 R)
• M13: 4,030,466 km (0.1 R)
• M14: 5,481,416 km (0.038 R)
• M15: 6,187,218 km (0.09 R)
• M16: 6,582,157 km (0.107 R)
• M17: 6,868,637 km (0.117 R)
• M18: 7,378,765 km (0.117 R)
• M19: 8,764,341 km (0.078 R)
• M20: 8,961,361 km (0.081 R)
• M21: 10,369,376 km (0.112 R)
• M22: 10,813,383 km (0.091 R)
• M23: 11,212,211 km (0.076 R)
• M24: 12,344,068 km (0.088 R)
• M25: 12,529,570 km (0.099 R)
• M26: 13,615,800 km (0.052 R)
• M27: 17,403,468 km (0.106 R)
• M28: 20,862,171 km (0.092 R)
• M29: 22,751,891 km (0.101 R)
• M30: 26,353,610 km (0.099 R)
• M31: 27,810,095 km (0.088 R)
• M32: 28,450,373 km (0.11 R)
• M33: 30,655,596 km (0.075 R)
• M34: 34,907,616 km (0.06 R)
• M35: 38,738,069 km (0.108 R)
• M36: 44,412,915 km (0.086 R)
• M37: 45,728,778 km (0.065 R)
• M38: 46,173,084 km (0.111 R)
• M39: 47,070,222 km (0.061 R)
• M40: 53,187,578 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 734.5

Radius: 3.9

Gravity: 48.29 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 6.74 AU - 8.76 AU

Year: 14153 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,909,501 km

• M1: 50,714 km (0.095 R)
• M2: 203,902 km (0.046 R)
• M3: 871,108 km (0.072 R)
• M4: 1,251,386 km (0.057 R)
• M5: 1,801,906 km (0.04 R)
• M6: 2,035,728 km (0.097 R)
• M7: 2,249,204 km (0.092 R)
• M8: 2,413,612 km (0.045 R)
• M9: 5,135,246 km (0.11 R)
• M10: 5,276,766 km (0.11 R)
• M11: 5,793,178 km (0.069 R)
• M12: 6,261,868 km (0.045 R)
• M13: 7,589,250 km (0.11 R)
• M14: 8,007,226 km (0.112 R)
• M15: 8,391,393 km (0.083 R)
• M16: 13,330,068 km (0.046 R)
• M17: 13,937,734 km (0.119 R)
• M18: 14,634,412 km (0.106 R)
• M19: 15,063,309 km (0.104 R)
• M20: 19,223,476 km (0.099 R)
• M21: 19,998,393 km (0.099 R)
• M22: 21,063,679 km (0.102 R)
• M23: 21,702,313 km (0.056 R)
• M24: 24,887,700 km (0.114 R)
• M25: 27,498,482 km (0.109 R)
• M26: 29,942,014 km (0.112 R)
• M27: 30,748,795 km (0.072 R)
• M28: 32,768,516 km (0.069 R)
• M29: 33,748,831 km (0.085 R)
• M30: 36,284,814 km (0.06 R)
• M31: 38,133,694 km (0.032 R)
• M32: 39,354,861 km (0.11 R)
• M33: 39,492,192 km (0.102 R)
• M34: 43,028,686 km (0.112 R)
• M35: 43,174,394 km (0.082 R)
• M36: 46,005,534 km (0.043 R)
• M37: 46,310,564 km (0.1 R)
• M38: 47,699,879 km (0.105 R)
• M39: 55,065,031 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 847.8

Radius: 6.6

Gravity: 19.46 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 7.9 AU - 7.94 AU

Year: 14622 Days

Day: 17.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 70,909,501 km

• M1: 106,813 km (0.102 R)
• M2: 328,667 km (0.099 R)
• M3: 550,819 km (0.076 R)
• M4: 1,300,454 km (0.117 R)
• M5: 2,896,813 km (0.114 R)
• M6: 3,145,744 km (0.063 R)
• M7: 4,256,658 km (0.119 R)
• M8: 4,480,755 km (0.116 R)
• M9: 4,746,591 km (0.036 R)
• M10: 5,645,973 km (0.113 R)
• M11: 6,696,898 km (0.084 R)
• M12: 6,913,067 km (0.05 R)
• M13: 9,446,358 km (0.07 R)
• M14: 10,919,448 km (0.098 R)
• M15: 11,524,721 km (0.102 R)
• M16: 14,313,225 km (0.086 R)
• M17: 15,635,221 km (0.095 R)
• M18: 16,956,470 km (0.11 R)
• M19: 18,519,468 km (0.101 R)
• M20: 24,184,291 km (0.052 R)
• M21: 25,630,005 km (0.085 R)
• M22: 27,023,210 km (0.047 R)
• M23: 28,806,267 km (0.116 R)
• M24: 31,023,906 km (0.086 R)
• M25: 34,111,755 km (0.101 R)
• M26: 40,317,823 km (0.116 R)
• M27: 43,986,711 km (0.074 R)
• M28: 44,899,258 km (0.06 R)
• M29: 50,973,829 km (0.087 R)
• M30: 53,860,320 km (0.097 R)
• M31: 54,206,788 km (0.086 R)
• M32: 63,748,889 km (0.066 R)
• M33: 64,331,124 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.2

Radius: 7.9

Gravity: 12.12 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 8.54 AU - 9.06 AU

Year: 17125 Days

Day: 22.4 Hours

Environment

Temp: -237 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,909,501 km

• M1: 105,167 km (0.11 R)
• M2: 1,231,490 km (0.113 R)
• M3: 1,539,063 km (0.112 R)
• M4: 2,010,147 km (0.102 R)
• M5: 4,076,542 km (0.104 R)
• M6: 4,943,013 km (0.072 R)
• M7: 5,269,884 km (0.081 R)
• M8: 6,593,975 km (0.112 R)
• M9: 7,356,625 km (0.099 R)
• M10: 8,583,028 km (0.048 R)
• M11: 9,217,922 km (0.072 R)
• M12: 10,640,448 km (0.085 R)
• M13: 11,124,995 km (0.099 R)
• M14: 24,075,533 km (0.104 R)
• M15: 25,122,419 km (0.117 R)
• M16: 31,800,169 km (0.11 R)
• M17: 33,444,100 km (0.1 R)
• M18: 44,512,697 km (0.118 R)
• M19: 48,354,071 km (0.083 R)
• M20: 48,683,934 km (0.065 R)
• M21: 52,584,848 km (0.119 R)
• M22: 52,933,561 km (0.116 R)
• M23: 61,967,627 km (0.081 R)
• M24: 64,326,785 km (0.093 R)
• M25: 69,642,596 km (0.075 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 20,047 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit