🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.1

Radius: 12.5

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.85 AU - 0.89 AU

Year: 541 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 81,158,599 km

• M1: 162,463 km (0.098 R)
• M2: 437,424 km (0.09 R)
• M3: 818,151 km (0.116 R)
• M4: 1,335,460 km (0.082 R)
• M5: 2,015,682 km (0.045 R)
• M6: 2,491,253 km (0.106 R)
• M7: 2,797,331 km (0.052 R)
• M8: 3,310,750 km (0.092 R)
• M9: 3,654,826 km (0.099 R)
• M10: 4,059,189 km (0.119 R)
• M11: 4,496,912 km (0.091 R)
• M12: 4,759,007 km (0.071 R)
• M13: 5,112,657 km (0.064 R)
• M14: 5,491,738 km (0.097 R)
• M15: 5,833,270 km (0.084 R)
• M16: 6,198,588 km (0.053 R)
• M17: 6,453,054 km (0.07 R)
• M18: 7,218,995 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.6

Radius: 8.6

Gravity: 1.68 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.92 AU - 2.1 AU

Year: 1900 Days

Day: 14.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,158,599 km

• M1: 113,395 km (0.081 R)
• M2: 334,052 km (0.057 R)
• M3: 674,686 km (0.082 R)
• M4: 910,602 km (0.114 R)
• M5: 1,156,541 km (0.096 R)
• M6: 1,612,515 km (0.095 R)
• M7: 2,133,565 km (0.112 R)
• M8: 2,360,056 km (0.115 R)
• M9: 2,523,866 km (0.074 R)
• M10: 2,888,585 km (0.106 R)
• M11: 3,375,078 km (0.087 R)
• M12: 4,088,659 km (0.098 R)
• M13: 4,317,694 km (0.12 R)
• M14: 4,565,727 km (0.114 R)
• M15: 5,572,820 km (0.101 R)
• M16: 6,395,459 km (0.103 R)
• M17: 7,436,061 km (0.081 R)
• M18: 7,696,212 km (0.07 R)
• M19: 8,487,136 km (0.118 R)
• M20: 8,660,370 km (0.043 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728

Radius: 14.1

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.98 AU - 4.86 AU

Year: 5176 Days

Day: 8.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 81,158,599 km

• M1: 178,470 km (0.104 R)
• M2: 501,602 km (0.111 R)
• M3: 1,213,987 km (0.043 R)
• M4: 1,834,070 km (0.118 R)
• M5: 2,119,503 km (0.048 R)
• M6: 2,581,311 km (0.068 R)
• M7: 3,149,933 km (0.117 R)
• M8: 5,242,657 km (0.118 R)
• M9: 7,551,252 km (0.069 R)
• M10: 10,470,654 km (0.068 R)
• M11: 11,016,686 km (0.098 R)
• M12: 11,690,625 km (0.076 R)
• M13: 12,463,298 km (0.1 R)
• M14: 13,751,635 km (0.064 R)
• M15: 17,813,516 km (0.05 R)
• M16: 18,815,074 km (0.062 R)
• M17: 20,043,422 km (0.096 R)
• M18: 20,444,793 km (0.103 R)
• M19: 21,672,992 km (0.111 R)
• M20: 27,646,883 km (0.102 R)
• M21: 29,496,661 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.1

Radius: 14.6

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 3.88 AU - 4.22 AU

Year: 5435 Days

Day: 9.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,158,599 km

• M1: 194,477 km (0.081 R)
• M2: 728,242 km (0.105 R)
• M3: 1,300,454 km (0.118 R)
• M4: 1,790,088 km (0.091 R)
• M5: 2,273,588 km (0.092 R)
• M6: 2,631,127 km (0.081 R)
• M7: 2,908,931 km (0.102 R)
• M8: 3,201,544 km (0.043 R)
• M9: 3,528,864 km (0.113 R)
• M10: 4,589,064 km (0.08 R)
• M11: 5,125,672 km (0.105 R)
• M12: 5,442,670 km (0.118 R)
• M13: 10,667,375 km (0.11 R)
• M14: 11,486,723 km (0.06 R)
• M15: 13,335,005 km (0.112 R)
• M16: 13,729,345 km (0.097 R)
• M17: 14,905,932 km (0.057 R)
• M18: 15,703,438 km (0.085 R)
• M19: 19,103,648 km (0.073 R)
• M20: 20,054,343 km (0.08 R)
• M21: 20,441,203 km (0.12 R)
• M22: 21,874,649 km (0.048 R)
• M23: 22,584,192 km (0.091 R)
• M24: 24,567,561 km (0.086 R)
• M25: 26,027,935 km (0.075 R)
• M26: 26,913,405 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 399.2

Radius: 3.9

Gravity: 26.25 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 4.47 AU - 7.45 AU

Year: 9703 Days

Day: 21.9 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 81,158,599 km

• M1: 67,469 km (0.074 R)
• M2: 219,161 km (0.114 R)
• M3: 312,061 km (0.114 R)
• M4: 409,749 km (0.117 R)
• M5: 622,327 km (0.093 R)
• M6: 1,332,468 km (0.115 R)
• M7: 1,448,407 km (0.079 R)
• M8: 2,176,200 km (0.049 R)
• M9: 2,557,076 km (0.099 R)
• M10: 2,677,503 km (0.112 R)
• M11: 5,442,969 km (0.102 R)
• M12: 6,163,432 km (0.096 R)
• M13: 6,765,863 km (0.063 R)
• M14: 7,498,743 km (0.109 R)
• M15: 7,949,631 km (0.11 R)
• M16: 9,153,744 km (0.071 R)
• M17: 10,850,782 km (0.115 R)
• M18: 11,434,513 km (0.093 R)
• M19: 11,947,185 km (0.115 R)
• M20: 12,961,309 km (0.114 R)
• M21: 13,970,048 km (0.103 R)
• M22: 14,583,997 km (0.101 R)
• M23: 14,871,824 km (0.108 R)
• M24: 16,051,403 km (0.093 R)
• M25: 18,277,569 km (0.087 R)
• M26: 18,761,817 km (0.071 R)
• M27: 19,916,563 km (0.103 R)
• M28: 21,278,502 km (0.092 R)
• M29: 23,770,653 km (0.036 R)
• M30: 26,658,789 km (0.085 R)
• M31: 27,966,275 km (0.077 R)
• M32: 28,832,895 km (0.115 R)
• M33: 29,712,830 km (0.116 R)
• M34: 29,986,145 km (0.092 R)
• M35: 30,467,701 km (0.073 R)
• M36: 31,864,496 km (0.102 R)
• M37: 33,799,844 km (0.07 R)
• M38: 35,196,041 km (0.042 R)
• M39: 38,227,941 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 770.6

Radius: 6.3

Gravity: 19.42 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 8.1 AU - 11.7 AU

Year: 20772 Days

Day: 16.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 81,158,599 km

• M1: 306,077 km (0.072 R)
• M2: 706,252 km (0.042 R)
• M3: 1,077,404 km (0.102 R)
• M4: 1,759,570 km (0.1 R)
• M5: 2,449,216 km (0.059 R)
• M6: 2,676,306 km (0.096 R)
• M7: 3,552,501 km (0.067 R)
• M8: 5,391,956 km (0.083 R)
• M9: 6,617,911 km (0.03 R)
• M10: 9,841,146 km (0.105 R)
• M11: 10,586,293 km (0.104 R)
• M12: 10,880,253 km (0.065 R)
• M13: 12,034,102 km (0.061 R)
• M14: 12,221,697 km (0.089 R)
• M15: 16,278,941 km (0.078 R)
• M16: 16,497,055 km (0.058 R)
• M17: 20,673,977 km (0.074 R)
• M18: 29,559,791 km (0.114 R)
• M19: 30,248,241 km (0.067 R)
• M20: 32,361,311 km (0.076 R)
• M21: 36,150,026 km (0.088 R)
• M22: 37,569,860 km (0.096 R)
• M23: 39,467,808 km (0.086 R)
• M24: 41,877,231 km (0.07 R)
• M25: 44,718,244 km (0.065 R)
• M26: 49,787,817 km (0.087 R)
• M27: 51,065,532 km (0.071 R)
• M28: 53,801,827 km (0.102 R)
• M29: 60,045,294 km (0.055 R)
• M30: 70,657,767 km (0.093 R)
• M31: 70,960,703 km (0.028 R)
• M32: 73,716,146 km (0.067 R)
• M33: 74,180,498 km (0.107 R)
• M34: 76,366,721 km (0.056 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: 516 - 15,768 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit