🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.8

Radius: 9.9

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 6.5 Hours

Environment

Temp: -145 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,301,507 km

• M1: 123,119 km (0.054 R)
• M2: 443,857 km (0.103 R)
• M3: 864,227 km (0.08 R)
• M4: 1,193,342 km (0.099 R)
• M5: 1,607,728 km (0.115 R)
• M6: 1,940,883 km (0.117 R)
• M7: 2,274,037 km (0.099 R)
• M8: 2,775,639 km (0.07 R)
• M9: 3,240,589 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 190.9

Radius: 14.5

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.9 AU - 0.96 AU

Year: 598 Days

Day: 12.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,301,507 km

• M1: 180,265 km (0.074 R)
• M2: 699,520 km (0.093 R)
• M3: 1,236,576 km (0.102 R)
• M4: 2,275,832 km (0.06 R)
• M5: 2,777,135 km (0.101 R)
• M6: 4,321,134 km (0.032 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.1

Radius: 11

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.93 AU - 1.23 AU

Year: 748 Days

Day: 8.5 Hours

Environment

Temp: -173 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,301,507 km

• M1: 136,882 km (0.03 R)
• M2: 502,050 km (0.083 R)
• M3: 930,349 km (0.079 R)
• M4: 1,273,377 km (0.1 R)
• M5: 2,027,949 km (0.068 R)
• M6: 2,445,626 km (0.085 R)
• M7: 2,989,265 km (0.093 R)
• M8: 3,380,912 km (0.046 R)
• M9: 3,748,923 km (0.111 R)
• M10: 4,168,545 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.3

Radius: 14.7

Gravity: 2.69 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 1.16 AU - 1.44 AU

Year: 988 Days

Day: 14.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,301,507 km

• M1: 182,809 km (0.044 R)
• M2: 673,041 km (0.082 R)
• M3: 1,324,091 km (0.113 R)
• M4: 2,240,079 km (0.112 R)
• M5: 2,810,495 km (0.102 R)
• M6: 3,782,283 km (0.06 R)
• M7: 4,314,403 km (0.074 R)
• M8: 4,986,396 km (0.091 R)
• M9: 6,389,774 km (0.051 R)
• M10: 8,169,390 km (0.115 R)
• M11: 8,821,487 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 14.6

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.28 AU - 1.7 AU

Year: 1213 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,301,507 km

• M1: 181,612 km (0.099 R)
• M2: 651,499 km (0.083 R)
• M3: 1,262,905 km (0.097 R)
• M4: 1,801,158 km (0.059 R)
• M5: 2,815,582 km (0.09 R)
• M6: 3,329,600 km (0.062 R)
• M7: 3,822,525 km (0.114 R)
• M8: 4,456,521 km (0.095 R)
• M9: 5,180,574 km (0.098 R)
• M10: 5,959,530 km (0.104 R)
• M11: 6,691,662 km (0.1 R)
• M12: 7,697,558 km (0.027 R)
• M13: 8,654,835 km (0.061 R)
• M14: 9,785,197 km (0.1 R)
• M15: 11,573,190 km (0.081 R)
• M16: 12,753,368 km (0.09 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901.6

Radius: 9.5

Gravity: 9.99 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 2.23 AU - 3.13 AU

Year: 2926 Days

Day: 11.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 89,301,507 km

• M1: 118,482 km (0.118 R)
• M2: 740,061 km (0.051 R)
• M3: 1,201,720 km (0.065 R)
• M4: 1,764,357 km (0.106 R)
• M5: 2,778,481 km (0.085 R)
• M6: 3,547,115 km (0.095 R)
• M7: 4,542,689 km (0.087 R)
• M8: 6,099,554 km (0.036 R)
• M9: 7,586,258 km (0.11 R)
• M10: 7,984,487 km (0.049 R)
• M11: 8,643,466 km (0.095 R)
• M12: 9,796,117 km (0.1 R)
• M13: 10,188,961 km (0.059 R)
• M14: 13,335,453 km (0.109 R)
• M15: 16,465,041 km (0.102 R)
• M16: 16,797,148 km (0.118 R)
• M17: 19,432,315 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.9

Radius: 11.7

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.8 AU - 3.08 AU

Year: 3362 Days

Day: 10.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 89,301,507 km

• M1: 145,559 km (0.095 R)
• M2: 589,715 km (0.119 R)
• M3: 1,039,705 km (0.065 R)
• M4: 1,766,601 km (0.061 R)
• M5: 2,278,525 km (0.083 R)
• M6: 2,730,161 km (0.104 R)
• M7: 3,854,988 km (0.109 R)
• M8: 4,815,705 km (0.119 R)
• M9: 5,489,943 km (0.076 R)
• M10: 6,618,210 km (0.096 R)
• M11: 7,298,581 km (0.036 R)
• M12: 9,882,435 km (0.089 R)
• M13: 10,456,442 km (0.071 R)
• M14: 14,236,033 km (0.088 R)
• M15: 15,471,412 km (0.066 R)
• M16: 20,513,608 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.4

Radius: 11.3

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.76 AU - 4.6 AU

Year: 5699 Days

Day: 5.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 89,301,507 km

• M1: 140,622 km (0.102 R)
• M2: 549,623 km (0.117 R)
• M3: 1,432,699 km (0.076 R)
• M4: 2,239,929 km (0.104 R)
• M5: 2,682,290 km (0.066 R)
• M6: 3,654,676 km (0.1 R)
• M7: 4,322,331 km (0.089 R)
• M8: 4,957,823 km (0.039 R)
• M9: 5,386,122 km (0.102 R)
• M10: 6,122,742 km (0.056 R)
• M11: 7,572,195 km (0.118 R)
• M12: 8,141,715 km (0.109 R)
• M13: 8,739,508 km (0.081 R)
• M14: 10,067,937 km (0.113 R)
• M15: 10,710,160 km (0.117 R)
• M16: 11,428,529 km (0.085 R)
• M17: 12,332,400 km (0.117 R)
• M18: 12,907,903 km (0.097 R)
• M19: 13,446,605 km (0.085 R)
• M20: 15,093,827 km (0.096 R)
• M21: 15,874,428 km (0.119 R)
• M22: 17,191,787 km (0.114 R)
• M23: 17,581,340 km (0.062 R)
• M24: 18,580,953 km (0.069 R)
• M25: 19,198,493 km (0.116 R)
• M26: 19,759,036 km (0.052 R)
• M27: 21,431,541 km (0.107 R)
• M28: 23,752,103 km (0.113 R)
• M29: 25,139,174 km (0.114 R)
• M30: 26,926,121 km (0.1 R)
• M31: 27,451,957 km (0.118 R)
• M32: 32,103,254 km (0.077 R)
• M33: 33,293,156 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 862.3

Radius: 6.9

Gravity: 18.11 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.88 AU - 8.9 AU

Year: 17676 Days

Day: 18.4 Hours

Environment

Temp: -244 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 89,301,507 km

• M1: 85,869 km (0.067 R)
• M2: 383,868 km (0.116 R)
• M3: 612,454 km (0.108 R)
• M4: 1,066,633 km (0.113 R)
• M5: 1,309,729 km (0.063 R)
• M6: 1,817,016 km (0.083 R)
• M7: 2,209,112 km (0.052 R)
• M8: 3,082,614 km (0.098 R)
• M9: 3,670,982 km (0.045 R)
• M10: 4,673,138 km (0.06 R)
• M11: 6,094,617 km (0.089 R)
• M12: 6,349,682 km (0.047 R)
• M13: 7,346,602 km (0.04 R)
• M14: 7,587,006 km (0.112 R)
• M15: 7,932,277 km (0.102 R)
• M16: 10,111,021 km (0.041 R)
• M17: 10,773,889 km (0.104 R)
• M18: 15,607,546 km (0.049 R)
• M19: 16,085,960 km (0.11 R)
• M20: 16,491,968 km (0.106 R)
• M21: 16,988,334 km (0.106 R)
• M22: 18,272,632 km (0.085 R)
• M23: 23,123,044 km (0.081 R)
• M24: 27,135,408 km (0.111 R)
• M25: 28,886,152 km (0.089 R)
• M26: 37,489,526 km (0.059 R)
• M27: 41,603,766 km (0.104 R)
• M28: 54,449,436 km (0.077 R)
• M29: 57,225,823 km (0.099 R)
• M30: 63,865,126 km (0.116 R)
• M31: 69,489,707 km (0.11 R)
• M32: 70,782,831 km (0.108 R)
• M33: 73,417,249 km (0.105 R)
• M34: 73,862,602 km (0.102 R)
• M35: 75,661,965 km (0.14 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 944.2

Radius: 7.5

Gravity: 16.79 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.41 AU - 10.95 AU

Year: 21660 Days

Day: 22.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,301,507 km

• M1: 99,034 km (0.064 R)
• M2: 493,972 km (0.118 R)
• M3: 1,109,418 km (0.049 R)
• M4: 2,881,554 km (0.055 R)
• M5: 3,568,657 km (0.089 R)
• M6: 4,835,302 km (0.084 R)
• M7: 5,932,004 km (0.03 R)
• M8: 6,797,428 km (0.086 R)
• M9: 14,454,894 km (0.108 R)
• M10: 21,977,274 km (0.107 R)
• M11: 23,151,318 km (0.111 R)
• M12: 25,507,783 km (0.086 R)
• M13: 26,923,877 km (0.112 R)
• M14: 33,390,095 km (0.057 R)
• M15: 39,719,132 km (0.082 R)
• M16: 40,978,597 km (0.063 R)
• M17: 42,264,540 km (0.059 R)
• M18: 51,470,943 km (0.06 R)
• M19: 56,439,686 km (0.032 R)
• M20: 58,432,928 km (0.109 R)
• M21: 60,886,184 km (0.065 R)
• M22: 65,343,153 km (0.074 R)
• M23: 67,317,995 km (0.043 R)
• M24: 72,080,293 km (0.064 R)
• M25: 76,336,951 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 12,476 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit