🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.71 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 286

Radius: 9.2

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 1.37 AU - 1.47 AU

Year: 1128 Days

Day: 7.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,929,557 km

• M1: 114,442 km (0.094 R)
• M2: 747,840 km (0.091 R)
• M3: 1,691,204 km (0.079 R)
• M4: 3,693,721 km (0.105 R)
• M5: 4,045,126 km (0.069 R)
• M6: 4,370,801 km (0.079 R)
• M7: 4,883,772 km (0.095 R)
• M8: 6,010,094 km (0.078 R)
• M9: 6,456,046 km (0.076 R)
• M10: 7,928,089 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.2

Radius: 9.5

Gravity: 1.43 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.45 AU - 3.09 AU

Year: 3074 Days

Day: 5.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 167.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,929,557 km

• M1: 123,568 km (0.048 R)
• M2: 623,075 km (0.09 R)
• M3: 1,568,534 km (0.116 R)
• M4: 1,902,735 km (0.103 R)
• M5: 3,782,133 km (0.058 R)
• M6: 5,456,134 km (0.057 R)
• M7: 8,891,649 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 667

Radius: 11

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 2.8 AU - 2.94 AU

Year: 3242 Days

Day: 12.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,929,557 km

• M1: 138,228 km (0.116 R)
• M2: 813,663 km (0.105 R)
• M3: 1,811,630 km (0.088 R)
• M4: 3,784,228 km (0.118 R)
• M5: 4,530,123 km (0.059 R)
• M6: 6,428,071 km (0.083 R)
• M7: 7,082,412 km (0.074 R)
• M8: 7,715,361 km (0.07 R)
• M9: 8,524,386 km (0.066 R)
• M10: 9,204,009 km (0.094 R)
• M11: 13,251,379 km (0.042 R)
• M12: 14,262,212 km (0.117 R)
• M13: 15,741,735 km (0.088 R)
• M14: 17,546,933 km (0.093 R)
• M15: 18,352,966 km (0.077 R)
• M16: 20,350,696 km (0.057 R)
• M17: 21,176,027 km (0.045 R)
• M18: 21,826,030 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 11.7

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 4.46 AU - 5.72 AU

Year: 7658 Days

Day: 8.6 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,929,557 km

• M1: 151,842 km (0.101 R)
• M2: 550,221 km (0.115 R)
• M3: 982,260 km (0.1 R)
• M4: 1,361,191 km (0.083 R)
• M5: 1,869,076 km (0.11 R)
• M6: 2,276,281 km (0.105 R)
• M7: 3,020,231 km (0.119 R)
• M8: 3,679,659 km (0.115 R)
• M9: 4,406,106 km (0.089 R)
• M10: 4,789,974 km (0.084 R)
• M11: 7,205,381 km (0.092 R)
• M12: 7,779,538 km (0.082 R)
• M13: 9,150,752 km (0.118 R)
• M14: 12,152,733 km (0.108 R)
• M15: 15,757,144 km (0.064 R)
• M16: 18,428,064 km (0.059 R)
• M17: 19,430,220 km (0.113 R)
• M18: 24,564,718 km (0.093 R)
• M19: 24,993,615 km (0.095 R)
• M20: 25,954,782 km (0.119 R)
• M21: 29,755,465 km (0.097 R)
• M22: 37,075,738 km (0.101 R)
• M23: 38,671,349 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78.1

Radius: 12

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 5.16 AU - 5.78 AU

Year: 8531 Days

Day: 13.1 Hours

Environment

Temp: -220 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,929,557 km

• M1: 149,299 km (0.06 R)
• M2: 761,603 km (0.093 R)
• M3: 1,192,145 km (0.119 R)
• M4: 1,579,903 km (0.09 R)
• M5: 1,966,165 km (0.05 R)
• M6: 4,220,306 km (0.099 R)
• M7: 5,096,351 km (0.114 R)
• M8: 5,902,683 km (0.069 R)
• M9: 8,158,170 km (0.075 R)
• M10: 8,629,254 km (0.099 R)
• M11: 9,011,925 km (0.102 R)
• M12: 14,537,622 km (0.112 R)
• M13: 14,931,363 km (0.102 R)
• M14: 15,637,615 km (0.069 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.8

Radius: 3.7

Gravity: 19.56 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.58 AU - 6.92 AU

Year: 9195 Days

Day: 20 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,929,557 km

• M1: 70,909 km (0.111 R)
• M2: 211,531 km (0.066 R)
• M3: 475,572 km (0.049 R)
• M4: 1,615,956 km (0.117 R)
• M5: 1,777,372 km (0.08 R)
• M6: 1,905,278 km (0.114 R)
• M7: 2,164,083 km (0.079 R)
• M8: 2,923,142 km (0.114 R)
• M9: 3,204,686 km (0.116 R)
• M10: 4,726,246 km (0.062 R)
• M11: 5,734,236 km (0.081 R)
• M12: 5,889,219 km (0.107 R)
• M13: 6,142,638 km (0.079 R)
• M14: 10,498,031 km (0.076 R)
• M15: 10,965,225 km (0.029 R)
• M16: 12,193,722 km (0.058 R)
• M17: 14,459,382 km (0.074 R)
• M18: 15,570,595 km (0.049 R)
• M19: 16,177,813 km (0.071 R)
• M20: 17,764,448 km (0.105 R)
• M21: 20,013,652 km (0.106 R)
• M22: 23,534,288 km (0.117 R)
• M23: 25,816,404 km (0.118 R)
• M24: 29,693,532 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 309.1

Radius: 3.2

Gravity: 30.19 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.14 AU - 7.78 AU

Year: 10949 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,929,557 km

• M1: 65,524 km (0.079 R)
• M2: 422,165 km (0.065 R)
• M3: 671,694 km (0.043 R)
• M4: 774,169 km (0.115 R)
• M5: 914,791 km (0.059 R)
• M6: 1,441,974 km (0.094 R)
• M7: 1,546,393 km (0.04 R)
• M8: 1,669,961 km (0.093 R)
• M9: 2,768,309 km (0.054 R)
• M10: 4,064,724 km (0.065 R)
• M11: 4,354,644 km (0.029 R)
• M12: 4,686,452 km (0.114 R)
• M13: 5,276,466 km (0.077 R)
• M14: 5,914,501 km (0.1 R)
• M15: 7,114,276 km (0.108 R)
• M16: 7,418,558 km (0.119 R)
• M17: 8,175,823 km (0.114 R)
• M18: 8,808,921 km (0.109 R)
• M19: 9,159,578 km (0.06 R)
• M20: 9,656,991 km (0.118 R)
• M21: 10,606,938 km (0.12 R)
• M22: 12,525,531 km (0.057 R)
• M23: 13,081,137 km (0.079 R)
• M24: 14,361,246 km (0.092 R)
• M25: 15,786,166 km (0.101 R)
• M26: 18,697,789 km (0.115 R)
• M27: 21,868,516 km (0.067 R)
• M28: 24,597,480 km (0.09 R)
• M29: 26,357,350 km (0.033 R)
• M30: 29,151,539 km (0.093 R)
• M31: 32,446,133 km (0.091 R)
• M32: 33,070,554 km (0.099 R)
• M33: 34,883,531 km (0.108 R)
• M34: 36,202,386 km (0.099 R)
• M35: 37,326,614 km (0.059 R)
• M36: 37,554,152 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.5

Radius: 3.8

Gravity: 56.34 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 8.44 AU - 10.76 AU

Year: 19835 Days

Day: 20.3 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,929,557 km

• M1: 47,423 km (0.073 R)
• M2: 262,395 km (0.069 R)
• M3: 387,758 km (0.073 R)
• M4: 1,182,272 km (0.102 R)
• M5: 1,843,195 km (0.115 R)
• M6: 3,335,883 km (0.099 R)
• M7: 4,725,198 km (0.109 R)
• M8: 11,902,904 km (0.084 R)
• M9: 13,299,101 km (0.117 R)
• M10: 14,800,765 km (0.083 R)
• M11: 17,002,247 km (0.111 R)
• M12: 17,259,555 km (0.089 R)
• M13: 20,263,929 km (0.109 R)
• M14: 23,387,084 km (0.111 R)
• M15: 24,677,515 km (0.105 R)
• M16: 27,990,360 km (0.079 R)
• M17: 28,229,268 km (0.114 R)
• M18: 34,240,709 km (0.109 R)
• M19: 37,906,305 km (0.063 R)
• M20: 47,345,333 km (0.117 R)
• M21: 49,578,081 km (0.043 R)
• M22: 57,078,320 km (0.098 R)
• M23: 62,003,530 km (0.112 R)
• M24: 64,050,328 km (0.101 R)
• M25: 75,423,656 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 318.2

Radius: 4.6

Gravity: 15.04 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 9.58 AU - 12.02 AU

Year: 23668 Days

Day: 15.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 65,929,557 km

• M1: 57,296 km (0.066 R)
• M2: 238,010 km (0.056 R)
• M3: 584,180 km (0.117 R)
• M4: 934,089 km (0.098 R)
• M5: 1,647,222 km (0.109 R)
• M6: 3,994,862 km (0.114 R)
• M7: 4,178,867 km (0.088 R)
• M8: 4,697,523 km (0.117 R)
• M9: 5,114,003 km (0.059 R)
• M10: 5,554,419 km (0.084 R)
• M11: 7,712,518 km (0.087 R)
• M12: 12,320,581 km (0.114 R)
• M13: 12,976,269 km (0.111 R)
• M14: 14,428,415 km (0.08 R)
• M15: 15,680,550 km (0.052 R)
• M16: 16,685,698 km (0.112 R)
• M17: 22,943,227 km (0.069 R)
• M18: 24,439,655 km (0.073 R)
• M19: 33,657,576 km (0.099 R)
• M20: 36,112,028 km (0.056 R)
• M21: 40,797,284 km (0.102 R)
• M22: 47,599,499 km (0.068 R)
• M23: 62,817,941 km (0.116 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 10,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit