🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 819.9

Radius: 13.9

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.95 AU - 1.11 AU

Year: 709 Days

Day: 9.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,582,109 km

• M1: 189,989 km (0.104 R)
• M2: 675,883 km (0.092 R)
• M3: 1,510,938 km (0.069 R)
• M4: 2,037,224 km (0.078 R)
• M5: 2,629,631 km (0.116 R)
• M6: 3,322,718 km (0.113 R)
• M7: 4,290,766 km (0.085 R)
• M8: 7,046,209 km (0.106 R)
• M9: 8,166,398 km (0.119 R)
• M10: 8,692,534 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 915.4

Radius: 12.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.98 AU - 2.56 AU

Year: 2320 Days

Day: 7.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,582,109 km

• M1: 156,479 km (0.073 R)
• M2: 571,314 km (0.115 R)
• M3: 1,266,496 km (0.083 R)
• M4: 1,673,701 km (0.102 R)
• M5: 2,080,458 km (0.119 R)
• M6: 2,627,537 km (0.07 R)
• M7: 3,050,001 km (0.08 R)
• M8: 4,054,252 km (0.06 R)
• M9: 4,823,335 km (0.076 R)
• M10: 5,364,280 km (0.103 R)
• M11: 5,815,468 km (0.111 R)
• M12: 6,210,855 km (0.093 R)
• M13: 7,785,971 km (0.118 R)
• M14: 9,869,271 km (0.111 R)
• M15: 10,704,775 km (0.093 R)
• M16: 12,130,293 km (0.118 R)
• M17: 13,313,911 km (0.053 R)
• M18: 14,333,870 km (0.114 R)
• M19: 16,114,533 km (0.099 R)
• M20: 16,739,703 km (0.092 R)
• M21: 19,932,420 km (0.058 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529.2

Radius: 13.9

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.3 AU - 3.12 AU

Year: 3026 Days

Day: 9.8 Hours

Environment

Temp: -218 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,582,109 km

• M1: 173,534 km (0.11 R)
• M2: 792,869 km (0.101 R)
• M3: 1,393,205 km (0.104 R)
• M4: 1,927,868 km (0.071 R)
• M5: 3,000,036 km (0.036 R)
• M6: 3,460,049 km (0.081 R)
• M7: 3,947,738 km (0.101 R)
• M8: 5,822,200 km (0.085 R)
• M9: 10,928,274 km (0.064 R)
• M10: 11,612,984 km (0.075 R)
• M11: 13,472,934 km (0.102 R)
• M12: 14,980,731 km (0.099 R)
• M13: 16,808,667 km (0.047 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.6

Radius: 14.4

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 2.77 AU - 3.93 AU

Year: 4159 Days

Day: 10.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 54,582,109 km

• M1: 179,218 km (0.074 R)
• M2: 698,173 km (0.101 R)
• M3: 1,223,860 km (0.081 R)
• M4: 1,760,468 km (0.078 R)
• M5: 2,237,236 km (0.058 R)
• M6: 2,867,791 km (0.026 R)
• M7: 3,755,804 km (0.087 R)
• M8: 4,376,785 km (0.079 R)
• M9: 5,771,785 km (0.106 R)
• M10: 6,999,684 km (0.099 R)
• M11: 10,701,633 km (0.108 R)
• M12: 11,469,220 km (0.072 R)
• M13: 12,410,789 km (0.1 R)
• M14: 13,696,583 km (0.103 R)
• M15: 14,704,872 km (0.078 R)
• M16: 15,493,253 km (0.075 R)
• M17: 16,532,061 km (0.092 R)
• M18: 16,983,098 km (0.065 R)
• M19: 17,969,098 km (0.067 R)
• M20: 19,991,661 km (0.065 R)
• M21: 20,698,361 km (0.044 R)
• M22: 23,693,460 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.8

Radius: 9.9

Gravity: 9.51 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 3.77 AU - 3.79 AU

Year: 4985 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,582,109 km

• M1: 134,488 km (0.086 R)
• M2: 538,552 km (0.097 R)
• M3: 861,235 km (0.077 R)
• M4: 2,415,856 km (0.099 R)
• M5: 4,256,359 km (0.113 R)
• M6: 4,800,446 km (0.119 R)
• M7: 5,217,076 km (0.083 R)
• M8: 6,283,559 km (0.105 R)
• M9: 7,165,738 km (0.059 R)
• M10: 7,489,617 km (0.114 R)
• M11: 8,966,597 km (0.105 R)
• M12: 10,629,078 km (0.062 R)
• M13: 11,290,450 km (0.086 R)
• M14: 11,829,003 km (0.087 R)
• M15: 13,767,642 km (0.039 R)
• M16: 14,269,542 km (0.106 R)
• M17: 19,350,784 km (0.082 R)
• M18: 26,195,784 km (0.092 R)
• M19: 30,109,414 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 113.7

Radius: 8.6

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 3.35 AU - 4.47 AU

Year: 5244 Days

Day: 8.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 86.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,582,109 km

• M1: 106,962 km (0.036 R)
• M2: 585,227 km (0.115 R)
• M3: 1,048,382 km (0.111 R)
• M4: 1,498,522 km (0.083 R)
• M5: 1,840,652 km (0.045 R)
• M6: 3,276,193 km (0.051 R)
• M7: 6,408,025 km (0.09 R)
• M8: 10,196,591 km (0.036 R)
• M9: 11,124,546 km (0.103 R)
• M10: 13,019,951 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.3

Radius: 12.6

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 4.12 AU - 4.72 AU

Year: 6303 Days

Day: 13.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,582,109 km

• M1: 159,172 km (0.076 R)
• M2: 783,444 km (0.106 R)
• M3: 1,201,121 km (0.065 R)
• M4: 1,667,717 km (0.079 R)
• M5: 2,146,281 km (0.119 R)
• M6: 2,734,649 km (0.095 R)
• M7: 3,407,540 km (0.116 R)
• M8: 4,338,039 km (0.097 R)
• M9: 5,579,851 km (0.102 R)
• M10: 6,631,973 km (0.081 R)
• M11: 7,259,237 km (0.118 R)
• M12: 11,590,843 km (0.049 R)
• M13: 14,757,082 km (0.067 R)
• M14: 17,400,177 km (0.029 R)
• M15: 18,595,165 km (0.101 R)
• M16: 24,493,510 km (0.116 R)
• M17: 26,078,350 km (0.096 R)
• M18: 29,359,330 km (0.115 R)
• M19: 34,217,222 km (0.116 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 754.7

Radius: 4.1

Gravity: 44.9 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 5.58 AU - 5.88 AU

Year: 9303 Days

Day: 24.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,582,109 km

• M1: 51,611 km (0.073 R)
• M2: 219,759 km (0.093 R)
• M3: 624,422 km (0.118 R)
• M4: 1,224,309 km (0.059 R)
• M5: 1,713,943 km (0.099 R)
• M6: 1,870,721 km (0.115 R)
• M7: 2,177,247 km (0.03 R)
• M8: 3,517,644 km (0.063 R)
• M9: 3,797,991 km (0.081 R)
• M10: 4,288,522 km (0.088 R)
• M11: 5,295,615 km (0.103 R)
• M12: 6,156,551 km (0.076 R)
• M13: 6,450,810 km (0.079 R)
• M14: 7,806,615 km (0.117 R)
• M15: 8,327,365 km (0.093 R)
• M16: 9,010,429 km (0.074 R)
• M17: 9,729,995 km (0.077 R)
• M18: 10,078,558 km (0.115 R)
• M19: 10,539,020 km (0.085 R)
• M20: 13,477,123 km (0.026 R)
• M21: 15,066,301 km (0.114 R)
• M22: 16,146,547 km (0.081 R)
• M23: 19,225,720 km (0.118 R)
• M24: 19,459,541 km (0.048 R)
• M25: 22,158,287 km (0.049 R)
• M26: 22,587,932 km (0.037 R)
• M27: 29,095,439 km (0.096 R)
• M28: 30,446,907 km (0.061 R)
• M29: 36,390,729 km (0.098 R)
• M30: 37,350,100 km (0.038 R)
• M31: 44,136,009 km (0.087 R)
• M32: 44,406,931 km (0.106 R)

Asteroid Belt

Center: 6.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 707.2

Radius: 6.3

Gravity: 17.82 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.11 AU - 8.79 AU

Year: 13792 Days

Day: 19.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,582,109 km

• M1: 78,539 km (0.091 R)
• M2: 276,606 km (0.102 R)
• M3: 483,052 km (0.088 R)
• M4: 981,661 km (0.095 R)
• M5: 1,555,519 km (0.08 R)
• M6: 1,934,300 km (0.119 R)
• M7: 3,041,624 km (0.081 R)
• M8: 4,270,720 km (0.032 R)
• M9: 4,712,782 km (0.075 R)
• M10: 5,046,834 km (0.086 R)
• M11: 5,468,550 km (0.118 R)
• M12: 6,749,557 km (0.118 R)
• M13: 7,571,747 km (0.099 R)
• M14: 8,458,862 km (0.12 R)
• M15: 9,782,504 km (0.119 R)
• M16: 10,662,439 km (0.076 R)
• M17: 13,419,228 km (0.078 R)
• M18: 14,573,825 km (0.115 R)
• M19: 16,541,336 km (0.073 R)
• M20: 18,761,817 km (0.114 R)
• M21: 19,771,453 km (0.104 R)
• M22: 20,289,660 km (0.076 R)
• M23: 21,173,484 km (0.116 R)
• M24: 22,828,485 km (0.092 R)
• M25: 24,468,976 km (0.114 R)
• M26: 24,965,940 km (0.066 R)
• M27: 25,877,589 km (0.04 R)
• M28: 29,634,590 km (0.081 R)
• M29: 35,863,546 km (0.082 R)
• M30: 39,689,811 km (0.086 R)
• M31: 45,551,205 km (0.112 R)
• M32: 52,784,861 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481.6

Radius: 4.9

Gravity: 20.06 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 6.18 AU - 9.22 AU

Year: 14492 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,582,109 km

• M1: 61,036 km (0.113 R)
• M2: 237,711 km (0.114 R)
• M3: 406,158 km (0.113 R)
• M4: 777,610 km (0.102 R)
• M5: 1,030,281 km (0.109 R)
• M6: 1,207,255 km (0.1 R)
• M7: 1,376,899 km (0.086 R)
• M8: 2,002,517 km (0.105 R)
• M9: 4,456,521 km (0.102 R)
• M10: 5,437,284 km (0.117 R)
• M11: 5,867,228 km (0.102 R)
• M12: 6,166,275 km (0.118 R)
• M13: 8,693,880 km (0.039 R)
• M14: 9,842,343 km (0.033 R)
• M15: 12,743,046 km (0.078 R)
• M16: 18,363,887 km (0.114 R)
• M17: 21,357,938 km (0.105 R)
• M18: 41,417,966 km (0.067 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 10,471 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit