🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 115.8

Radius: 9.3

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.72 AU - 0.74 AU

Year: 431 Days

Day: 8 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,123,380 km

• M1: 115,639 km (0.059 R)
• M2: 454,329 km (0.046 R)
• M3: 1,014,274 km (0.069 R)
• M4: 1,367,474 km (0.108 R)
• M5: 1,759,720 km (0.11 R)
• M6: 2,105,889 km (0.089 R)
• M7: 2,404,636 km (0.117 R)
• M8: 2,954,857 km (0.075 R)
• M9: 3,255,698 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 825

Radius: 13.9

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.84 AU - 1.2 AU

Year: 711 Days

Day: 8.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 69,123,380 km

• M1: 172,935 km (0.052 R)
• M2: 610,958 km (0.073 R)
• M3: 1,258,268 km (0.109 R)
• M4: 1,753,586 km (0.119 R)
• M5: 2,338,813 km (0.081 R)
• M6: 3,028,459 km (0.102 R)
• M7: 3,807,116 km (0.069 R)
• M8: 4,665,509 km (0.113 R)
• M9: 5,258,365 km (0.074 R)
• M10: 5,822,948 km (0.101 R)
• M11: 6,532,640 km (0.096 R)
• M12: 7,345,106 km (0.063 R)
• M13: 8,298,044 km (0.04 R)

Asteroid Belt

Center: 1.95 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 14

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 2.5 AU - 3.24 AU

Year: 3356 Days

Day: 10.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,123,380 km

• M1: 175,329 km (0.104 R)
• M2: 620,831 km (0.094 R)
• M3: 1,550,881 km (0.032 R)
• M4: 2,124,290 km (0.078 R)
• M5: 2,871,382 km (0.072 R)
• M6: 3,889,993 km (0.114 R)
• M7: 4,382,470 km (0.109 R)
• M8: 4,965,153 km (0.111 R)
• M9: 5,949,956 km (0.109 R)
• M10: 7,186,083 km (0.053 R)
• M11: 7,765,625 km (0.115 R)
• M12: 8,237,756 km (0.038 R)
• M13: 9,465,356 km (0.076 R)
• M14: 11,273,247 km (0.031 R)
• M15: 13,159,377 km (0.07 R)
• M16: 14,988,360 km (0.079 R)
• M17: 15,616,372 km (0.091 R)
• M18: 16,481,048 km (0.106 R)
• M19: 17,837,751 km (0.068 R)
• M20: 18,365,383 km (0.053 R)
• M21: 20,516,600 km (0.103 R)
• M22: 20,966,291 km (0.093 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 901

Radius: 14.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 3.16 AU - 3.66 AU

Year: 4347 Days

Day: 9.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,123,380 km

• M1: 180,415 km (0.105 R)
• M2: 763,398 km (0.062 R)
• M3: 1,316,611 km (0.105 R)
• M4: 2,352,427 km (0.054 R)
• M5: 6,586,046 km (0.064 R)
• M6: 7,706,235 km (0.117 R)
• M7: 9,935,393 km (0.064 R)
• M8: 10,811,139 km (0.094 R)
• M9: 13,123,174 km (0.044 R)
• M10: 13,962,568 km (0.09 R)
• M11: 14,560,062 km (0.029 R)
• M12: 15,118,062 km (0.076 R)
• M13: 15,632,529 km (0.116 R)
• M14: 21,084,773 km (0.056 R)
• M15: 22,163,224 km (0.059 R)
• M16: 24,665,398 km (0.091 R)
• M17: 27,098,757 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.3

Radius: 14.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.4 AU - 3.6 AU

Year: 4520 Days

Day: 8.1 Hours

Environment

Temp: -213 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 69,123,380 km

• M1: 182,809 km (0.102 R)
• M2: 882,478 km (0.1 R)
• M3: 1,532,780 km (0.108 R)
• M4: 2,404,187 km (0.095 R)
• M5: 2,909,978 km (0.097 R)
• M6: 3,857,231 km (0.108 R)
• M7: 4,438,718 km (0.066 R)
• M8: 4,900,377 km (0.1 R)
• M9: 6,887,935 km (0.089 R)
• M10: 7,577,731 km (0.067 R)
• M11: 8,717,218 km (0.103 R)
• M12: 10,298,766 km (0.098 R)
• M13: 12,536,152 km (0.099 R)
• M14: 13,167,455 km (0.107 R)
• M15: 18,321,401 km (0.107 R)
• M16: 19,454,754 km (0.075 R)
• M17: 19,973,261 km (0.057 R)
• M18: 21,584,430 km (0.115 R)
• M19: 24,534,948 km (0.117 R)
• M20: 25,911,698 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.5

Radius: 11.7

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 3.36 AU - 5.54 AU

Year: 6480 Days

Day: 12.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,123,380 km

• M1: 145,559 km (0.103 R)
• M2: 685,906 km (0.055 R)
• M3: 1,259,464 km (0.042 R)
• M4: 1,684,023 km (0.073 R)
• M5: 2,459,688 km (0.106 R)
• M6: 3,371,188 km (0.058 R)
• M7: 4,522,194 km (0.117 R)
• M8: 5,383,728 km (0.119 R)
• M9: 5,821,751 km (0.117 R)
• M10: 7,132,228 km (0.055 R)
• M11: 8,546,676 km (0.115 R)
• M12: 10,140,192 km (0.037 R)
• M13: 12,561,883 km (0.063 R)
• M14: 14,316,965 km (0.091 R)
• M15: 16,165,995 km (0.082 R)
• M16: 16,619,426 km (0.056 R)
• M17: 17,551,570 km (0.082 R)
• M18: 19,086,594 km (0.045 R)
• M19: 21,632,151 km (0.048 R)
• M20: 22,262,557 km (0.101 R)
• M21: 24,311,748 km (0.104 R)
• M22: 27,387,780 km (0.088 R)
• M23: 30,125,720 km (0.087 R)
• M24: 30,517,218 km (0.119 R)
• M25: 32,937,711 km (0.086 R)
• M26: 34,088,867 km (0.072 R)
• M27: 35,701,532 km (0.06 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 10.5

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.9 AU - 5.5 AU

Year: 7033 Days

Day: 14.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,123,380 km

• M1: 130,599 km (0.077 R)
• M2: 457,321 km (0.112 R)
• M3: 1,047,634 km (0.102 R)
• M4: 2,026,752 km (0.111 R)
• M5: 2,470,310 km (0.108 R)
• M6: 2,879,161 km (0.095 R)
• M7: 3,311,199 km (0.114 R)
• M8: 3,715,862 km (0.034 R)
• M9: 4,204,149 km (0.076 R)
• M10: 6,027,897 km (0.062 R)
• M11: 6,427,473 km (0.06 R)
• M12: 7,169,777 km (0.09 R)
• M13: 8,166,548 km (0.047 R)
• M14: 10,576,569 km (0.103 R)
• M15: 13,147,558 km (0.092 R)
• M16: 13,821,646 km (0.063 R)
• M17: 14,400,889 km (0.117 R)
• M18: 15,056,726 km (0.101 R)
• M19: 16,750,922 km (0.072 R)
• M20: 17,745,150 km (0.101 R)
• M21: 18,153,702 km (0.069 R)
• M22: 19,561,268 km (0.111 R)
• M23: 21,884,523 km (0.114 R)
• M24: 23,641,101 km (0.094 R)
• M25: 25,232,074 km (0.057 R)
• M26: 27,072,427 km (0.1 R)
• M27: 28,255,447 km (0.109 R)
• M28: 34,165,910 km (0.082 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 172.8

Radius: 5.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 5.39 AU - 6.65 AU

Year: 10195 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 69,123,380 km

• M1: 67,169 km (0.108 R)
• M2: 273,764 km (0.078 R)
• M3: 598,990 km (0.12 R)
• M4: 1,014,872 km (0.107 R)
• M5: 1,655,749 km (0.118 R)
• M6: 2,801,370 km (0.107 R)
• M7: 3,713,019 km (0.057 R)
• M8: 4,346,716 km (0.032 R)
• M9: 4,860,884 km (0.114 R)
• M10: 5,132,703 km (0.119 R)
• M11: 6,386,483 km (0.086 R)
• M12: 8,054,499 km (0.05 R)
• M13: 8,868,162 km (0.114 R)
• M14: 12,878,881 km (0.118 R)
• M15: 14,152,108 km (0.054 R)
• M16: 14,372,167 km (0.09 R)
• M17: 16,275,949 km (0.118 R)
• M18: 18,276,372 km (0.043 R)
• M19: 19,403,143 km (0.064 R)
• M20: 20,435,069 km (0.044 R)
• M21: 23,441,687 km (0.055 R)
• M22: 25,574,953 km (0.046 R)
• M23: 26,563,196 km (0.111 R)
• M24: 27,321,059 km (0.033 R)
• M25: 29,951,139 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 866.6

Radius: 7.4

Gravity: 15.83 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 5.6 AU - 7.56 AU

Year: 11651 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,123,380 km

• M1: 92,003 km (0.117 R)
• M2: 373,546 km (0.081 R)
• M3: 1,053,468 km (0.119 R)
• M4: 1,446,761 km (0.096 R)
• M5: 1,799,214 km (0.118 R)
• M6: 2,189,215 km (0.091 R)
• M7: 2,721,484 km (0.105 R)
• M8: 3,815,045 km (0.084 R)
• M9: 5,419,332 km (0.061 R)
• M10: 5,743,212 km (0.075 R)
• M11: 6,589,637 km (0.062 R)
• M12: 6,958,844 km (0.042 R)
• M13: 8,966,298 km (0.043 R)
• M14: 11,565,112 km (0.113 R)
• M15: 12,657,027 km (0.114 R)
• M16: 13,816,261 km (0.11 R)
• M17: 14,083,144 km (0.089 R)
• M18: 14,765,459 km (0.079 R)
• M19: 15,256,140 km (0.063 R)
• M20: 21,660,724 km (0.089 R)
• M21: 23,033,135 km (0.115 R)
• M22: 23,979,791 km (0.112 R)
• M23: 24,853,592 km (0.093 R)
• M24: 27,078,860 km (0.06 R)
• M25: 34,914,797 km (0.114 R)
• M26: 37,053,897 km (0.088 R)
• M27: 38,615,399 km (0.042 R)
• M28: 43,562,750 km (0.116 R)
• M29: 43,849,380 km (0.101 R)
• M30: 47,085,780 km (0.045 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.5

Radius: 3.6

Gravity: 51.58 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 7.85 AU - 9.43 AU

Year: 17530 Days

Day: 17.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 69,123,380 km

• M1: 50,714 km (0.039 R)
• M2: 189,690 km (0.069 R)
• M3: 306,975 km (0.088 R)
• M4: 760,406 km (0.102 R)
• M5: 964,308 km (0.111 R)
• M6: 1,124,078 km (0.082 R)
• M7: 2,203,876 km (0.103 R)
• M8: 2,981,186 km (0.068 R)
• M9: 3,515,550 km (0.091 R)
• M10: 4,079,684 km (0.11 R)
• M11: 4,532,516 km (0.075 R)
• M12: 4,910,999 km (0.089 R)
• M13: 6,297,622 km (0.078 R)
• M14: 9,870,318 km (0.074 R)
• M15: 10,622,795 km (0.084 R)
• M16: 11,043,464 km (0.115 R)
• M17: 11,288,805 km (0.067 R)
• M18: 11,537,736 km (0.111 R)
• M19: 13,522,900 km (0.083 R)
• M20: 15,417,856 km (0.11 R)
• M21: 15,956,707 km (0.067 R)
• M22: 18,068,580 km (0.071 R)
• M23: 21,669,551 km (0.096 R)
• M24: 22,054,017 km (0.081 R)
• M25: 22,247,896 km (0.109 R)
• M26: 23,435,404 km (0.076 R)
• M27: 25,400,821 km (0.107 R)
• M28: 28,608,349 km (0.079 R)
• M29: 30,971,098 km (0.069 R)
• M30: 31,581,457 km (0.042 R)
• M31: 35,678,943 km (0.088 R)
• M32: 35,812,384 km (0.109 R)
• M33: 39,400,489 km (0.035 R)
• M34: 40,261,125 km (0.107 R)
• M35: 41,575,642 km (0.098 R)
• M36: 53,136,864 km (0.111 R)
• M37: 57,787,413 km (0.11 R)
• M38: 64,862,196 km (0.085 R)
• M39: 66,464,240 km (0.099 R)
• M40: 67,275,060 km (0.114 R)
• M41: 68,503,558 km (0.074 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 407 - 10,509 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit