🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.1

Radius: 8.3

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.48 AU - 0.58 AU

Year: 266 Days

Day: 11.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 42 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,886,479 km

• M1: 103,223 km (0.12 R)
• M2: 364,271 km (0.116 R)
• M3: 701,464 km (0.046 R)
• M4: 1,039,406 km (0.087 R)
• M5: 1,654,702 km (0.071 R)
• M6: 1,984,715 km (0.094 R)
• M7: 2,509,504 km (0.081 R)
• M8: 3,316,884 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.9

Radius: 14.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.57 AU - 0.71 AU

Year: 353 Days

Day: 8.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 88,886,479 km

• M1: 182,061 km (0.113 R)
• M2: 681,418 km (0.102 R)
• M3: 1,256,921 km (0.079 R)
• M4: 1,726,060 km (0.076 R)
• M5: 3,214,110 km (0.09 R)
• M6: 3,787,070 km (0.046 R)
• M7: 4,923,116 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 705.9

Radius: 14

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 9.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 88,886,479 km

• M1: 175,777 km (0.086 R)
• M2: 802,293 km (0.077 R)
• M3: 1,345,334 km (0.119 R)
• M4: 1,897,948 km (0.094 R)
• M5: 2,942,889 km (0.103 R)
• M6: 3,891,789 km (0.083 R)
• M7: 4,535,658 km (0.096 R)
• M8: 4,987,593 km (0.083 R)
• M9: 5,892,211 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.6

Radius: 10.8

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.87 AU - 0.95 AU

Year: 599 Days

Day: 15 Hours

Environment

Temp: -177 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 88,886,479 km

• M1: 134,339 km (0.11 R)
• M2: 608,265 km (0.07 R)
• M3: 1,037,760 km (0.062 R)
• M4: 1,451,997 km (0.087 R)
• M5: 1,791,435 km (0.091 R)
• M6: 2,193,703 km (0.069 R)
• M7: 2,594,925 km (0.113 R)
• M8: 3,447,483 km (0.051 R)
• M9: 3,818,635 km (0.108 R)
• M10: 4,160,018 km (0.106 R)
• M11: 4,566,625 km (0.097 R)
• M12: 4,967,996 km (0.09 R)
• M13: 5,309,228 km (0.071 R)
• M14: 5,806,342 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.9

Radius: 12.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.56 AU - 2.34 AU

Year: 1880 Days

Day: 10.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 88,886,479 km

• M1: 160,369 km (0.053 R)
• M2: 562,338 km (0.119 R)
• M3: 978,520 km (0.093 R)
• M4: 1,598,004 km (0.05 R)
• M5: 2,279,722 km (0.115 R)
• M6: 3,222,937 km (0.094 R)
• M7: 4,489,283 km (0.099 R)
• M8: 5,063,290 km (0.059 R)
• M9: 6,601,754 km (0.027 R)
• M10: 7,546,016 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.8

Radius: 10.1

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.89 AU - 5.83 AU

Year: 8566 Days

Day: 10.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,886,479 km

• M1: 125,662 km (0.093 R)
• M2: 670,946 km (0.058 R)
• M3: 1,143,227 km (0.082 R)
• M4: 2,304,106 km (0.065 R)
• M5: 2,630,379 km (0.118 R)
• M6: 3,166,837 km (0.066 R)
• M7: 6,780,374 km (0.096 R)
• M8: 8,533,811 km (0.108 R)
• M9: 9,661,928 km (0.112 R)
• M10: 10,312,978 km (0.078 R)
• M11: 11,983,837 km (0.065 R)
• M12: 12,735,566 km (0.038 R)
• M13: 14,269,393 km (0.115 R)
• M14: 18,295,670 km (0.075 R)
• M15: 19,136,560 km (0.061 R)
• M16: 21,644,867 km (0.097 R)
• M17: 26,331,619 km (0.063 R)
• M18: 27,600,957 km (0.069 R)
• M19: 28,100,015 km (0.05 R)
• M20: 31,113,365 km (0.11 R)
• M21: 38,142,221 km (0.085 R)
• M22: 45,050,651 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 656.2

Radius: 4.7

Gravity: 29.71 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.66 AU - 7.42 AU

Year: 10246 Days

Day: 17.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 88,886,479 km

• M1: 60,138 km (0.03 R)
• M2: 302,487 km (0.099 R)
• M3: 502,649 km (0.101 R)
• M4: 738,265 km (0.052 R)
• M5: 1,023,698 km (0.119 R)
• M6: 1,659,788 km (0.081 R)
• M7: 2,628,584 km (0.086 R)
• M8: 2,992,107 km (0.063 R)
• M9: 3,292,200 km (0.116 R)
• M10: 3,486,678 km (0.088 R)
• M11: 3,845,563 km (0.082 R)
• M12: 4,850,113 km (0.088 R)
• M13: 6,496,288 km (0.049 R)
• M14: 6,959,592 km (0.113 R)
• M15: 7,527,765 km (0.11 R)
• M16: 10,111,320 km (0.115 R)
• M17: 10,470,953 km (0.082 R)
• M18: 11,712,765 km (0.076 R)
• M19: 13,911,106 km (0.075 R)
• M20: 16,723,097 km (0.107 R)
• M21: 17,812,768 km (0.06 R)
• M22: 21,031,217 km (0.118 R)
• M23: 22,213,339 km (0.083 R)
• M24: 22,645,976 km (0.056 R)
• M25: 23,617,764 km (0.083 R)
• M26: 23,887,489 km (0.08 R)
• M27: 24,801,532 km (0.106 R)
• M28: 26,894,107 km (0.061 R)
• M29: 28,285,367 km (0.102 R)
• M30: 29,204,646 km (0.071 R)
• M31: 30,460,969 km (0.081 R)
• M32: 32,412,623 km (0.061 R)
• M33: 37,530,665 km (0.098 R)
• M34: 38,515,617 km (0.088 R)
• M35: 39,014,526 km (0.05 R)
• M36: 44,106,838 km (0.117 R)
• M37: 45,203,390 km (0.062 R)
• M38: 46,177,721 km (0.119 R)
• M39: 46,882,178 km (0.063 R)
• M40: 47,593,815 km (0.094 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.5

Radius: 6.1

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 5.27 AU - 8.01 AU

Year: 11810 Days

Day: 20.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,886,479 km

• M1: 76,145 km (0.062 R)
• M2: 825,032 km (0.118 R)
• M3: 1,115,701 km (0.096 R)
• M4: 2,009,847 km (0.089 R)
• M5: 2,724,626 km (0.03 R)
• M6: 3,642,409 km (0.115 R)
• M7: 4,047,221 km (0.06 R)
• M8: 4,534,611 km (0.059 R)
• M9: 4,890,055 km (0.04 R)
• M10: 5,293,371 km (0.113 R)
• M11: 7,650,884 km (0.093 R)
• M12: 9,057,702 km (0.069 R)
• M13: 10,116,855 km (0.077 R)
• M14: 11,305,410 km (0.089 R)
• M15: 12,216,761 km (0.073 R)
• M16: 22,260,014 km (0.085 R)
• M17: 24,506,226 km (0.107 R)
• M18: 26,635,602 km (0.101 R)
• M19: 28,425,540 km (0.106 R)
• M20: 28,700,800 km (0.11 R)
• M21: 29,256,556 km (0.066 R)
• M22: 30,389,760 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 322.9

Radius: 5.3

Gravity: 11.5 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.58 AU - 6.82 AU

Year: 11971 Days

Day: 19.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 88,886,479 km

• M1: 65,973 km (0.116 R)
• M2: 254,616 km (0.083 R)
• M3: 737,966 km (0.118 R)
• M4: 910,901 km (0.116 R)
• M5: 1,079,498 km (0.049 R)
• M6: 1,245,701 km (0.1 R)
• M7: 1,534,126 km (0.108 R)
• M8: 1,820,456 km (0.097 R)
• M9: 2,158,548 km (0.065 R)
• M10: 2,855,375 km (0.053 R)
• M11: 3,132,729 km (0.038 R)
• M12: 3,312,246 km (0.08 R)
• M13: 3,642,858 km (0.094 R)
• M14: 4,652,045 km (0.048 R)
• M15: 5,252,082 km (0.051 R)
• M16: 7,883,359 km (0.052 R)
• M17: 8,048,814 km (0.113 R)
• M18: 9,045,585 km (0.065 R)
• M19: 11,386,193 km (0.086 R)
• M20: 11,597,874 km (0.102 R)
• M21: 11,974,412 km (0.058 R)
• M22: 12,922,862 km (0.069 R)
• M23: 15,350,537 km (0.111 R)
• M24: 15,804,566 km (0.105 R)
• M25: 17,150,947 km (0.099 R)
• M26: 18,354,013 km (0.113 R)
• M27: 21,404,613 km (0.114 R)
• M28: 25,491,477 km (0.091 R)
• M29: 27,622,200 km (0.11 R)
• M30: 31,501,272 km (0.113 R)
• M31: 34,832,069 km (0.063 R)
• M32: 36,296,183 km (0.109 R)
• M33: 37,566,568 km (0.043 R)
• M34: 40,073,829 km (0.088 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 805.7

Radius: 5.6

Gravity: 25.69 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 10.24 AU - 10.64 AU

Year: 23284 Days

Day: 15.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 88,886,479 km

• M1: 69,713 km (0.103 R)
• M2: 273,914 km (0.089 R)
• M3: 632,051 km (0.105 R)
• M4: 964,757 km (0.07 R)
• M5: 1,222,364 km (0.071 R)
• M6: 1,779,317 km (0.115 R)
• M7: 2,326,696 km (0.099 R)
• M8: 3,146,791 km (0.055 R)
• M9: 3,408,737 km (0.085 R)
• M10: 5,257,468 km (0.111 R)
• M11: 5,796,618 km (0.082 R)
• M12: 6,101,798 km (0.098 R)
• M13: 6,744,321 km (0.048 R)
• M14: 7,033,194 km (0.072 R)
• M15: 8,602,476 km (0.04 R)
• M16: 8,884,917 km (0.078 R)
• M17: 9,528,337 km (0.075 R)
• M18: 11,644,549 km (0.081 R)
• M19: 12,848,363 km (0.069 R)
• M20: 14,132,960 km (0.095 R)
• M21: 14,846,541 km (0.07 R)
• M22: 18,033,874 km (0.088 R)
• M23: 21,545,983 km (0.067 R)
• M24: 21,962,314 km (0.119 R)
• M25: 22,490,245 km (0.114 R)
• M26: 24,914,029 km (0.097 R)
• M27: 33,358,680 km (0.067 R)
• M28: 35,624,339 km (0.101 R)
• M29: 45,714,566 km (0.047 R)
• M30: 65,466,721 km (0.079 R)
• M31: 66,559,085 km (0.032 R)
• M32: 81,130,366 km (0.11 R)
• M33: 85,727,359 km (0.086 R)
• M34: 86,509,905 km (0.2 R)
• M35: 88,620,283 km (0.111 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 249 - 17,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit