🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.6

Radius: 8.1

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.6 AU - 0.9 AU

Year: 448 Days

Day: 9.2 Hours

Environment

Temp: -169 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,447,646 km

• M1: 100,829 km (0.067 R)
• M2: 364,570 km (0.087 R)
• M3: 840,590 km (0.101 R)
• M4: 1,154,746 km (0.109 R)
• M5: 1,424,770 km (0.104 R)
• M6: 1,699,731 km (0.041 R)
• M7: 2,061,309 km (0.049 R)
• M8: 2,377,409 km (0.077 R)
• M9: 2,633,072 km (0.05 R)
• M10: 3,294,444 km (0.097 R)
• M11: 3,873,089 km (0.114 R)
• M12: 5,581,945 km (0.112 R)

Asteroid Belt

Center: 1.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 536.9

Radius: 14.1

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.32 AU - 1.68 AU

Year: 1268 Days

Day: 9.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,447,646 km

• M1: 175,329 km (0.084 R)
• M2: 696,228 km (0.098 R)
• M3: 1,169,257 km (0.076 R)
• M4: 1,666,371 km (0.046 R)
• M5: 2,124,290 km (0.102 R)
• M6: 3,433,421 km (0.048 R)
• M7: 4,138,326 km (0.119 R)
• M8: 4,770,377 km (0.1 R)
• M9: 5,425,915 km (0.098 R)
• M10: 5,988,702 km (0.105 R)
• M11: 6,682,986 km (0.111 R)
• M12: 7,581,321 km (0.085 R)
• M13: 9,353,158 km (0.037 R)
• M14: 10,289,342 km (0.083 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 612.5

Radius: 13

Gravity: 3.62 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.47 AU - 1.71 AU

Year: 1384 Days

Day: 11.9 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,447,646 km

• M1: 161,715 km (0.097 R)
• M2: 568,771 km (0.094 R)
• M3: 1,151,604 km (0.106 R)
• M4: 1,631,664 km (0.082 R)
• M5: 2,039,318 km (0.054 R)
• M6: 2,503,969 km (0.053 R)
• M7: 3,298,483 km (0.12 R)
• M8: 3,763,733 km (0.08 R)
• M9: 4,361,975 km (0.104 R)
• M10: 4,789,077 km (0.078 R)
• M11: 5,346,927 km (0.114 R)
• M12: 6,404,734 km (0.096 R)
• M13: 7,466,430 km (0.089 R)
• M14: 10,451,805 km (0.069 R)
• M15: 11,532,949 km (0.058 R)
• M16: 12,136,875 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 592.1

Radius: 14.4

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.72 AU - 3.76 AU

Year: 4026 Days

Day: 8.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 80,447,646 km

• M1: 179,069 km (0.033 R)
• M2: 644,168 km (0.032 R)
• M3: 1,124,976 km (0.08 R)
• M4: 2,227,512 km (0.086 R)
• M5: 3,194,812 km (0.107 R)
• M6: 4,404,161 km (0.093 R)
• M7: 5,332,715 km (0.117 R)
• M8: 7,512,955 km (0.058 R)
• M9: 9,250,833 km (0.107 R)
• M10: 9,714,587 km (0.112 R)
• M11: 12,088,705 km (0.115 R)
• M12: 12,597,188 km (0.1 R)
• M13: 15,356,820 km (0.103 R)
• M14: 16,963,950 km (0.069 R)
• M15: 18,016,371 km (0.103 R)
• M16: 22,044,892 km (0.119 R)
• M17: 23,798,029 km (0.053 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.8

Radius: 4.9

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.69 AU - 6.97 AU

Year: 12321 Days

Day: 24.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 80,447,646 km

• M1: 61,186 km (0.09 R)
• M2: 347,366 km (0.025 R)
• M3: 542,591 km (0.11 R)
• M4: 762,949 km (0.075 R)
• M5: 1,996,683 km (0.109 R)
• M6: 3,340,221 km (0.075 R)
• M7: 3,723,341 km (0.083 R)
• M8: 5,253,578 km (0.05 R)
• M9: 6,872,825 km (0.11 R)
• M10: 8,549,818 km (0.062 R)
• M11: 10,110,722 km (0.065 R)
• M12: 10,528,848 km (0.09 R)
• M13: 14,240,072 km (0.098 R)
• M14: 16,865,814 km (0.089 R)
• M15: 18,258,121 km (0.096 R)
• M16: 21,344,923 km (0.063 R)
• M17: 21,955,133 km (0.047 R)
• M18: 22,576,862 km (0.094 R)
• M19: 24,182,645 km (0.096 R)
• M20: 25,097,586 km (0.074 R)
• M21: 25,351,005 km (0.119 R)
• M22: 28,344,159 km (0.082 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 36.3

Radius: 7.6

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.91 AU - 7.91 AU

Year: 12538 Days

Day: 23.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,447,646 km

• M1: 95,294 km (0.119 R)
• M2: 424,110 km (0.105 R)
• M3: 1,091,316 km (0.082 R)
• M4: 1,627,475 km (0.052 R)
• M5: 2,044,704 km (0.058 R)
• M6: 2,486,765 km (0.103 R)
• M7: 2,957,700 km (0.084 R)
• M8: 3,250,014 km (0.103 R)
• M9: 3,734,711 km (0.078 R)
• M10: 4,245,288 km (0.082 R)
• M11: 4,989,388 km (0.098 R)
• M12: 5,455,685 km (0.061 R)
• M13: 6,734,298 km (0.046 R)
• M14: 7,303,966 km (0.118 R)
• M15: 8,003,336 km (0.038 R)
• M16: 9,098,991 km (0.103 R)
• M17: 10,884,891 km (0.109 R)
• M18: 20,809,513 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 607.8

Radius: 6.6

Gravity: 13.95 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 7.95 AU - 7.95 AU

Year: 15473 Days

Day: 17.1 Hours

Environment

Temp: -227 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 80,447,646 km

• M1: 82,129 km (0.118 R)
• M2: 334,052 km (0.113 R)
• M3: 850,464 km (0.075 R)
• M4: 1,214,286 km (0.099 R)
• M5: 3,845,712 km (0.09 R)
• M6: 5,323,889 km (0.057 R)
• M7: 6,635,264 km (0.096 R)
• M8: 9,088,519 km (0.032 R)
• M9: 9,295,114 km (0.08 R)
• M10: 10,319,860 km (0.113 R)
• M11: 11,063,211 km (0.086 R)
• M12: 13,980,669 km (0.112 R)
• M13: 16,981,004 km (0.108 R)
• M14: 19,687,678 km (0.085 R)
• M15: 22,199,127 km (0.104 R)
• M16: 25,017,402 km (0.063 R)
• M17: 43,024,796 km (0.095 R)
• M18: 43,315,914 km (0.101 R)
• M19: 43,608,378 km (0.045 R)
• M20: 49,897,921 km (0.033 R)
• M21: 50,219,257 km (0.11 R)
• M22: 50,542,089 km (0.115 R)
• M23: 55,207,299 km (0.073 R)
• M24: 57,291,646 km (0.116 R)
• M25: 61,432,216 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.8

Radius: 3.6

Gravity: 65.03 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 7.4 AU - 9.16 AU

Year: 16446 Days

Day: 19.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,447,646 km

• M1: 47,572 km (0.106 R)
• M2: 184,454 km (0.082 R)
• M3: 408,701 km (0.057 R)
• M4: 583,282 km (0.109 R)
• M5: 716,574 km (0.084 R)
• M6: 859,440 km (0.091 R)
• M7: 1,070,971 km (0.032 R)
• M8: 1,216,679 km (0.09 R)
• M9: 1,700,329 km (0.073 R)
• M10: 2,154,808 km (0.113 R)
• M11: 2,930,772 km (0.088 R)
• M12: 3,938,164 km (0.111 R)
• M13: 4,189,937 km (0.092 R)
• M14: 4,690,940 km (0.119 R)
• M15: 4,830,964 km (0.076 R)
• M16: 6,220,279 km (0.12 R)
• M17: 7,565,164 km (0.066 R)
• M18: 8,203,798 km (0.113 R)
• M19: 8,666,504 km (0.086 R)
• M20: 9,146,264 km (0.054 R)
• M21: 10,813,084 km (0.077 R)
• M22: 13,012,322 km (0.116 R)
• M23: 13,998,621 km (0.091 R)
• M24: 14,436,195 km (0.097 R)
• M25: 14,732,847 km (0.088 R)
• M26: 16,843,075 km (0.053 R)
• M27: 18,184,070 km (0.048 R)
• M28: 21,747,641 km (0.094 R)
• M29: 25,533,514 km (0.097 R)
• M30: 33,593,399 km (0.099 R)
• M31: 40,789,804 km (0.101 R)
• M32: 45,059,327 km (0.083 R)
• M33: 46,171,438 km (0.061 R)
• M34: 52,703,928 km (0.091 R)
• M35: 55,011,176 km (0.104 R)
• M36: 60,975,494 km (0.061 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 107.7

Radius: 6.3

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 9.52 AU - 9.88 AU

Year: 20853 Days

Day: 16.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,447,646 km

• M1: 125,812 km (0.09 R)
• M2: 328,218 km (0.101 R)
• M3: 1,171,501 km (0.044 R)
• M4: 1,433,746 km (0.106 R)
• M5: 1,734,887 km (0.112 R)
• M6: 4,234,667 km (0.099 R)
• M7: 5,506,548 km (0.043 R)
• M8: 8,603,374 km (0.058 R)
• M9: 15,941,598 km (0.11 R)
• M10: 38,546,135 km (0.118 R)
• M11: 39,264,355 km (0.07 R)
• M12: 41,472,569 km (0.112 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 620.2

Radius: 4.6

Gravity: 29.31 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 8.25 AU - 12.37 AU

Year: 22851 Days

Day: 21 Hours

Environment

Temp: -242 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 80,447,646 km

• M1: 57,296 km (0.088 R)
• M2: 210,484 km (0.108 R)
• M3: 566,228 km (0.043 R)
• M4: 972,835 km (0.108 R)
• M5: 1,421,778 km (0.102 R)
• M6: 2,227,811 km (0.096 R)
• M7: 2,691,415 km (0.115 R)
• M8: 3,358,323 km (0.038 R)
• M9: 4,330,559 km (0.11 R)
• M10: 4,609,110 km (0.112 R)
• M11: 5,318,803 km (0.086 R)
• M12: 5,761,612 km (0.089 R)
• M13: 6,905,139 km (0.106 R)
• M14: 7,237,246 km (0.056 R)
• M15: 7,431,723 km (0.106 R)
• M16: 8,837,045 km (0.112 R)
• M17: 10,349,181 km (0.111 R)
• M18: 10,847,042 km (0.09 R)
• M19: 11,690,026 km (0.074 R)
• M20: 13,505,247 km (0.103 R)
• M21: 15,905,096 km (0.11 R)
• M22: 16,905,756 km (0.091 R)
• M23: 18,036,417 km (0.084 R)
• M24: 18,214,738 km (0.092 R)
• M25: 18,756,731 km (0.11 R)
• M26: 20,350,696 km (0.073 R)
• M27: 21,931,197 km (0.099 R)
• M28: 32,107,892 km (0.091 R)
• M29: 35,486,111 km (0.054 R)
• M30: 37,333,046 km (0.099 R)
• M31: 50,127,255 km (0.099 R)
• M32: 52,087,136 km (0.037 R)
• M33: 52,448,864 km (0.091 R)
• M34: 52,812,237 km (0.11 R)
• M35: 54,468,435 km (0.049 R)
• M36: 67,684,210 km (0.031 R)
• M37: 78,060,019 km (0.12 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: 489 - 18,420 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit