🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 650.1

Radius: 14.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.63 AU - 0.91 AU

Year: 458 Days

Day: 8.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,412,702 km

• M1: 205,099 km (0.039 R)
• M2: 728,990 km (0.116 R)
• M3: 1,248,095 km (0.11 R)
• M4: 1,780,963 km (0.107 R)
• M5: 2,467,018 km (0.087 R)
• M6: 2,968,770 km (0.042 R)
• M7: 3,929,038 km (0.106 R)
• M8: 4,590,560 km (0.073 R)
• M9: 5,134,797 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.7

Radius: 12.8

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.8 AU - 1.1 AU

Year: 628 Days

Day: 10.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 52,412,702 km

• M1: 161,416 km (0.117 R)
• M2: 793,018 km (0.103 R)
• M3: 1,349,373 km (0.114 R)
• M4: 1,815,969 km (0.099 R)
• M5: 2,491,403 km (0.089 R)
• M6: 2,922,993 km (0.101 R)
• M7: 3,559,382 km (0.084 R)
• M8: 4,183,355 km (0.107 R)
• M9: 5,212,887 km (0.03 R)
• M10: 5,796,768 km (0.12 R)
• M11: 6,326,195 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 130.3

Radius: 10.7

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.81 AU - 1.95 AU

Year: 1748 Days

Day: 9.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,412,702 km

• M1: 133,142 km (0.105 R)
• M2: 481,556 km (0.062 R)
• M3: 980,764 km (0.109 R)
• M4: 1,333,216 km (0.038 R)
• M5: 1,911,711 km (0.107 R)
• M6: 2,528,653 km (0.109 R)
• M7: 3,313,742 km (0.081 R)
• M8: 3,828,958 km (0.104 R)
• M9: 4,285,381 km (0.05 R)
• M10: 7,114,276 km (0.051 R)
• M11: 7,735,407 km (0.095 R)
• M12: 8,243,142 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.2

Radius: 10.4

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 1.63 AU - 2.23 AU

Year: 1819 Days

Day: 10.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 52,412,702 km

• M1: 147,504 km (0.097 R)
• M2: 543,040 km (0.086 R)
• M3: 939,026 km (0.036 R)
• M4: 1,530,386 km (0.075 R)
• M5: 2,083,898 km (0.091 R)
• M6: 3,769,118 km (0.053 R)
• M7: 4,616,441 km (0.074 R)
• M8: 5,309,079 km (0.025 R)
• M9: 5,872,764 km (0.071 R)
• M10: 6,606,691 km (0.119 R)
• M11: 9,244,101 km (0.064 R)
• M12: 11,375,422 km (0.099 R)
• M13: 11,877,173 km (0.101 R)
• M14: 13,428,952 km (0.119 R)
• M15: 13,989,645 km (0.109 R)
• M16: 14,746,311 km (0.094 R)
• M17: 16,003,831 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.2

Radius: 12.9

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 2.31 AU - 2.49 AU

Year: 2522 Days

Day: 5.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 52,412,702 km

• M1: 160,967 km (0.109 R)
• M2: 834,906 km (0.043 R)
• M3: 1,257,071 km (0.095 R)
• M4: 2,285,556 km (0.109 R)
• M5: 2,884,696 km (0.082 R)
• M6: 3,387,943 km (0.088 R)
• M7: 4,316,198 km (0.099 R)
• M8: 7,810,954 km (0.105 R)
• M9: 8,459,012 km (0.101 R)
• M10: 8,933,686 km (0.09 R)
• M11: 9,899,789 km (0.079 R)
• M12: 11,093,430 km (0.105 R)
• M13: 12,553,954 km (0.097 R)
• M14: 13,038,502 km (0.102 R)
• M15: 14,423,778 km (0.113 R)
• M16: 15,152,170 km (0.084 R)
• M17: 16,525,030 km (0.116 R)
• M18: 17,322,685 km (0.08 R)
• M19: 17,758,614 km (0.068 R)
• M20: 18,709,159 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 13.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 2.6 AU - 2.6 AU

Year: 2843 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,412,702 km

• M1: 172,935 km (0.094 R)
• M2: 632,799 km (0.087 R)
• M3: 1,143,975 km (0.075 R)
• M4: 1,627,176 km (0.054 R)
• M5: 2,910,576 km (0.098 R)
• M6: 6,271,741 km (0.099 R)
• M7: 8,866,815 km (0.101 R)
• M8: 10,070,330 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 177.5

Radius: 3.8

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.96 AU - 7.74 AU

Year: 10853 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 52,412,702 km

• M1: 47,871 km (0.035 R)
• M2: 244,742 km (0.115 R)
• M3: 372,050 km (0.108 R)
• M4: 515,365 km (0.109 R)
• M5: 674,537 km (0.066 R)
• M6: 1,083,537 km (0.095 R)
• M7: 1,746,705 km (0.11 R)
• M8: 1,915,002 km (0.118 R)
• M9: 2,503,670 km (0.083 R)
• M10: 3,184,041 km (0.115 R)
• M11: 3,908,693 km (0.109 R)
• M12: 5,037,559 km (0.111 R)
• M13: 5,556,364 km (0.114 R)
• M14: 5,767,447 km (0.099 R)
• M15: 6,367,484 km (0.119 R)
• M16: 7,077,774 km (0.115 R)
• M17: 9,020,303 km (0.106 R)
• M18: 10,633,716 km (0.032 R)
• M19: 11,435,560 km (0.099 R)
• M20: 14,193,547 km (0.101 R)
• M21: 14,702,030 km (0.086 R)
• M22: 16,300,483 km (0.114 R)
• M23: 17,621,133 km (0.09 R)
• M24: 19,147,480 km (0.064 R)
• M25: 21,858,642 km (0.085 R)
• M26: 22,083,039 km (0.063 R)
• M27: 22,841,949 km (0.111 R)
• M28: 24,653,131 km (0.114 R)
• M29: 32,176,258 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 905.2

Radius: 6.4

Gravity: 22.1 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.02 AU - 8.7 AU

Year: 13543 Days

Day: 16.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,412,702 km

• M1: 87,664 km (0.087 R)
• M2: 328,517 km (0.116 R)
• M3: 541,843 km (0.112 R)
• M4: 882,627 km (0.072 R)
• M5: 1,133,353 km (0.104 R)
• M6: 1,680,582 km (0.087 R)
• M7: 2,032,586 km (0.059 R)
• M8: 2,390,574 km (0.107 R)
• M9: 3,749,371 km (0.097 R)
• M10: 3,982,894 km (0.088 R)
• M11: 4,810,020 km (0.109 R)
• M12: 5,632,509 km (0.109 R)
• M13: 6,545,206 km (0.076 R)
• M14: 6,755,989 km (0.068 R)
• M15: 8,117,928 km (0.067 R)
• M16: 10,778,527 km (0.076 R)
• M17: 11,926,092 km (0.113 R)
• M18: 13,969,748 km (0.086 R)
• M19: 17,095,596 km (0.044 R)
• M20: 17,821,295 km (0.082 R)
• M21: 18,399,790 km (0.115 R)
• M22: 19,681,545 km (0.039 R)
• M23: 30,013,073 km (0.108 R)
• M24: 31,544,805 km (0.064 R)
• M25: 32,758,044 km (0.115 R)
• M26: 33,128,000 km (0.082 R)
• M27: 33,376,183 km (0.114 R)
• M28: 33,750,776 km (0.056 R)
• M29: 34,508,339 km (0.08 R)
• M30: 39,991,251 km (0.062 R)
• M31: 41,988,831 km (0.069 R)
• M32: 55,214,181 km (0.109 R)
• M33: 59,682,370 km (0.06 R)
• M34: 60,604,042 km (0.119 R)
• M35: 60,975,344 km (0.113 R)
• M36: 63,044,731 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 179.2

Radius: 3.2

Gravity: 17.5 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 10.22 AU - 10.34 AU

Year: 22355 Days

Day: 23.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 52,412,702 km

• M1: 39,793 km (0.091 R)
• M2: 254,316 km (0.049 R)
• M3: 553,063 km (0.068 R)
• M4: 858,093 km (0.117 R)
• M5: 981,661 km (0.092 R)
• M6: 1,804,599 km (0.094 R)
• M7: 2,026,453 km (0.085 R)
• M8: 2,801,669 km (0.073 R)
• M9: 3,729,176 km (0.065 R)
• M10: 4,088,659 km (0.09 R)
• M11: 4,350,755 km (0.09 R)
• M12: 5,271,679 km (0.085 R)
• M13: 7,532,103 km (0.103 R)
• M14: 9,687,958 km (0.12 R)
• M15: 13,135,441 km (0.115 R)
• M16: 15,303,114 km (0.083 R)
• M17: 15,441,642 km (0.074 R)
• M18: 15,580,917 km (0.071 R)
• M19: 17,095,596 km (0.119 R)
• M20: 18,003,655 km (0.075 R)
• M21: 19,263,867 km (0.076 R)
• M22: 22,849,280 km (0.092 R)
• M23: 24,702,797 km (0.1 R)
• M24: 28,600,719 km (0.103 R)
• M25: 28,916,520 km (0.048 R)
• M26: 29,985,996 km (0.074 R)
• M27: 30,311,820 km (0.064 R)
• M28: 34,646,568 km (0.037 R)
• M29: 35,246,006 km (0.115 R)
• M30: 38,859,543 km (0.117 R)
• M31: 40,556,581 km (0.104 R)
• M32: 42,302,388 km (0.066 R)
• M33: 45,512,609 km (0.108 R)
• M34: 47,987,107 km (0.085 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 439 - 17,460 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit