🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689.4

Radius: 14.2

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.56 AU - 0.64 AU

Year: 321 Days

Day: 12.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 52,621,597 km

• M1: 176,525 km (0.032 R)
• M2: 712,983 km (0.036 R)
• M3: 1,247,796 km (0.063 R)
• M4: 1,691,802 km (0.079 R)
• M5: 2,310,090 km (0.104 R)
• M6: 3,383,006 km (0.113 R)
• M7: 3,911,236 km (0.111 R)
• M8: 4,363,022 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 910

Radius: 13.9

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 0.55 AU - 0.87 AU

Year: 413 Days

Day: 10.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,621,597 km

• M1: 172,935 km (0.087 R)
• M2: 629,657 km (0.093 R)
• M3: 1,430,305 km (0.102 R)
• M4: 1,901,239 km (0.102 R)
• M5: 2,653,866 km (0.118 R)
• M6: 3,762,985 km (0.068 R)
• M7: 4,562,137 km (0.032 R)
• M8: 5,018,410 km (0.059 R)
• M9: 5,899,990 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 56.5

Radius: 9.1

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.75 AU - 0.87 AU

Year: 503 Days

Day: 11 Hours

Environment

Temp: -164 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 52,621,597 km

• M1: 113,246 km (0.105 R)
• M2: 434,432 km (0.109 R)
• M3: 845,976 km (0.095 R)
• M4: 1,132,456 km (0.041 R)
• M5: 1,511,238 km (0.119 R)
• M6: 2,090,630 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.7

Radius: 14

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.94 AU - 1.08 AU

Year: 701 Days

Day: 5.7 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,621,597 km

• M1: 174,132 km (0.052 R)
• M2: 777,011 km (0.029 R)
• M3: 1,227,301 km (0.093 R)
• M4: 1,666,670 km (0.115 R)
• M5: 2,243,818 km (0.054 R)
• M6: 2,797,630 km (0.04 R)
• M7: 3,415,469 km (0.06 R)
• M8: 4,016,404 km (0.088 R)
• M9: 5,175,488 km (0.07 R)
• M10: 5,991,694 km (0.049 R)
• M11: 6,892,273 km (0.057 R)
• M12: 7,737,800 km (0.07 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.4

Radius: 14.3

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.15 AU - 1.49 AU

Year: 1047 Days

Day: 10.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,621,597 km

• M1: 186,997 km (0.045 R)
• M2: 684,111 km (0.091 R)
• M3: 1,139,936 km (0.049 R)
• M4: 1,783,356 km (0.12 R)
• M5: 2,957,251 km (0.118 R)
• M6: 5,172,945 km (0.115 R)
• M7: 5,715,985 km (0.077 R)
• M8: 6,580,062 km (0.109 R)
• M9: 7,626,948 km (0.107 R)
• M10: 8,075,891 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 701.7

Radius: 12.6

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 1.59 AU - 2.17 AU

Year: 1779 Days

Day: 14.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 52,621,597 km

• M1: 156,629 km (0.099 R)
• M2: 695,481 km (0.079 R)
• M3: 1,176,737 km (0.117 R)
• M4: 1,619,696 km (0.064 R)
• M5: 2,632,773 km (0.111 R)
• M6: 3,424,594 km (0.106 R)
• M7: 4,466,843 km (0.106 R)
• M8: 5,850,773 km (0.106 R)
• M9: 7,615,878 km (0.087 R)
• M10: 9,480,615 km (0.104 R)
• M11: 10,016,475 km (0.098 R)
• M12: 10,431,609 km (0.088 R)
• M13: 12,602,723 km (0.082 R)
• M14: 13,375,246 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.1

Radius: 8.2

Gravity: 9.43 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 4.24 AU - 5.5 AU

Year: 7418 Days

Day: 9.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 52,621,597 km

• M1: 105,766 km (0.104 R)
• M2: 380,727 km (0.084 R)
• M3: 861,833 km (0.083 R)
• M4: 1,283,999 km (0.077 R)
• M5: 1,697,188 km (0.083 R)
• M6: 3,116,423 km (0.061 R)
• M7: 3,421,303 km (0.096 R)
• M8: 3,722,145 km (0.098 R)
• M9: 5,019,009 km (0.093 R)
• M10: 6,350,729 km (0.061 R)
• M11: 6,951,663 km (0.1 R)
• M12: 8,307,619 km (0.113 R)
• M13: 8,725,445 km (0.118 R)
• M14: 9,201,316 km (0.07 R)
• M15: 10,394,658 km (0.113 R)
• M16: 11,533,697 km (0.073 R)
• M17: 13,029,975 km (0.082 R)
• M18: 13,999,219 km (0.111 R)
• M19: 17,736,922 km (0.077 R)
• M20: 18,641,690 km (0.108 R)
• M21: 20,093,238 km (0.087 R)
• M22: 21,462,657 km (0.087 R)
• M23: 23,384,092 km (0.115 R)
• M24: 24,984,340 km (0.075 R)
• M25: 26,476,878 km (0.05 R)
• M26: 28,401,605 km (0.03 R)
• M27: 29,542,288 km (0.114 R)
• M28: 29,832,209 km (0.104 R)
• M29: 30,221,612 km (0.097 R)
• M30: 30,911,408 km (0.102 R)
• M31: 32,939,806 km (0.104 R)
• M32: 33,670,292 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.3

Radius: 10.4

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 4.73 AU - 5.91 AU

Year: 8470 Days

Day: 6.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 52,621,597 km

• M1: 129,402 km (0.12 R)
• M2: 538,552 km (0.089 R)
• M3: 991,385 km (0.072 R)
• M4: 1,707,660 km (0.12 R)
• M5: 3,212,016 km (0.049 R)
• M6: 3,646,598 km (0.105 R)
• M7: 3,973,918 km (0.117 R)
• M8: 4,581,285 km (0.081 R)
• M9: 5,162,473 km (0.077 R)
• M10: 6,109,727 km (0.114 R)
• M11: 6,710,661 km (0.073 R)
• M12: 7,761,287 km (0.089 R)
• M13: 8,628,955 km (0.11 R)
• M14: 9,171,397 km (0.06 R)
• M15: 10,935,904 km (0.081 R)
• M16: 11,521,579 km (0.096 R)
• M17: 11,923,698 km (0.108 R)
• M18: 13,350,264 km (0.045 R)
• M19: 15,364,749 km (0.103 R)
• M20: 19,346,894 km (0.119 R)
• M21: 19,843,858 km (0.097 R)
• M22: 22,302,350 km (0.089 R)
• M23: 24,790,611 km (0.108 R)
• M24: 25,546,380 km (0.117 R)
• M25: 25,972,883 km (0.059 R)
• M26: 30,982,617 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 963.2

Radius: 5.6

Gravity: 30.71 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 6.03 AU - 6.17 AU

Year: 10399 Days

Day: 20.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,621,597 km

• M1: 70,461 km (0.069 R)
• M2: 290,968 km (0.058 R)
• M3: 537,056 km (0.1 R)
• M4: 757,115 km (0.1 R)
• M5: 1,015,022 km (0.114 R)
• M6: 1,265,149 km (0.03 R)
• M7: 1,555,967 km (0.074 R)
• M8: 2,310,689 km (0.117 R)
• M9: 2,638,158 km (0.11 R)
• M10: 2,903,545 km (0.12 R)
• M11: 3,672,777 km (0.083 R)
• M12: 4,446,498 km (0.106 R)
• M13: 4,663,863 km (0.09 R)
• M14: 4,986,546 km (0.026 R)
• M15: 5,712,544 km (0.093 R)
• M16: 9,178,877 km (0.091 R)
• M17: 9,685,714 km (0.043 R)
• M18: 11,783,076 km (0.062 R)
• M19: 13,000,205 km (0.112 R)
• M20: 14,636,656 km (0.078 R)
• M21: 15,327,947 km (0.032 R)
• M22: 18,470,699 km (0.117 R)
• M23: 21,222,403 km (0.098 R)
• M24: 27,626,239 km (0.092 R)
• M25: 28,044,814 km (0.084 R)
• M26: 28,467,577 km (0.062 R)
• M27: 32,815,191 km (0.041 R)
• M28: 34,598,696 km (0.087 R)
• M29: 35,947,022 km (0.075 R)
• M30: 37,202,896 km (0.119 R)
• M31: 37,457,512 km (0.053 R)
• M32: 40,874,327 km (0.093 R)
• M33: 41,417,666 km (0.085 R)
• M34: 43,781,163 km (0.066 R)
• M35: 46,971,338 km (0.112 R)
• M36: 52,200,831 km (0.106 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 360.6

Radius: 6

Gravity: 10.02 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 8.07 AU - 8.09 AU

Year: 15854 Days

Day: 21.5 Hours

Environment

Temp: -242 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 52,621,597 km

• M1: 89,759 km (0.112 R)
• M2: 293,960 km (0.077 R)
• M3: 507,735 km (0.087 R)
• M4: 705,653 km (0.103 R)
• M5: 987,496 km (0.077 R)
• M6: 3,696,264 km (0.08 R)
• M7: 4,736,418 km (0.114 R)
• M8: 6,486,564 km (0.052 R)
• M9: 7,086,152 km (0.098 R)
• M10: 9,155,240 km (0.066 R)
• M11: 10,064,346 km (0.029 R)
• M12: 10,433,554 km (0.097 R)
• M13: 10,648,676 km (0.104 R)
• M14: 10,976,744 km (0.053 R)
• M15: 11,710,821 km (0.094 R)
• M16: 15,044,759 km (0.099 R)
• M17: 16,020,735 km (0.052 R)
• M18: 22,154,248 km (0.098 R)
• M19: 23,141,444 km (0.084 R)
• M20: 24,345,557 km (0.109 R)
• M21: 32,231,310 km (0.086 R)
• M22: 33,497,506 km (0.065 R)
• M23: 38,509,185 km (0.095 R)
• M24: 46,710,290 km (0.074 R)
• M25: 48,032,884 km (0.08 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: 262 - 12,494 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit