🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.46 AU - 0.76 AU

Year: 173 Days

Day: 32.9 Hours

Environment

Temp: 173 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Gas Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.8

Radius: 14.4

Gravity: 0.08 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 4.55 AU - 7.03 AU

Year: 5063 Days

Day: 6.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 115,775,518 km

• M1: 179,218 km (0.067 R)
• M2: 830,567 km (0.108 R)
• M3: 1,370,017 km (0.06 R)
• M4: 1,950,307 km (0.116 R)
• M5: 4,120,973 km (0.053 R)
• M6: 6,207,863 km (0.057 R)
• M7: 8,387,504 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 10.7

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 6.3 AU - 7.08 AU

Year: 6289 Days

Day: 14.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,775,518 km

• M1: 133,142 km (0.103 R)
• M2: 637,287 km (0.048 R)
• M3: 1,457,382 km (0.045 R)
• M4: 1,809,536 km (0.107 R)
• M5: 2,623,647 km (0.113 R)
• M6: 3,170,727 km (0.103 R)
• M7: 4,566,325 km (0.118 R)
• M8: 5,016,914 km (0.09 R)
• M9: 5,387,618 km (0.098 R)
• M10: 7,800,781 km (0.107 R)
• M11: 10,858,412 km (0.09 R)
• M12: 12,080,926 km (0.11 R)
• M13: 13,192,737 km (0.089 R)
• M14: 14,057,562 km (0.107 R)
• M15: 17,959,075 km (0.05 R)
• M16: 18,830,482 km (0.077 R)
• M17: 19,405,387 km (0.047 R)
• M18: 23,249,454 km (0.077 R)
• M19: 24,510,115 km (0.098 R)
• M20: 26,845,039 km (0.099 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 651.2

Radius: 14

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.36 AU - 9.2 AU

Year: 7887 Days

Day: 6.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 115,775,518 km

• M1: 174,132 km (0.092 R)
• M2: 1,804,749 km (0.103 R)
• M3: 2,320,562 km (0.04 R)
• M4: 3,314,790 km (0.047 R)
• M5: 5,904,628 km (0.052 R)
• M6: 7,059,224 km (0.095 R)
• M7: 8,193,775 km (0.1 R)
• M8: 10,675,154 km (0.108 R)
• M9: 12,658,822 km (0.087 R)
• M10: 14,754,988 km (0.105 R)
• M11: 15,439,398 km (0.115 R)
• M12: 15,950,275 km (0.1 R)
• M13: 16,804,628 km (0.053 R)
• M14: 17,689,350 km (0.068 R)
• M15: 20,225,782 km (0.095 R)
• M16: 21,305,280 km (0.064 R)
• M17: 22,019,311 km (0.109 R)
• M18: 23,579,168 km (0.037 R)
• M19: 24,948,886 km (0.107 R)
• M20: 37,188,235 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451

Radius: 12.1

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 8.39 AU - 8.99 AU

Year: 9310 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 115,775,518 km

• M1: 150,495 km (0.102 R)
• M2: 566,527 km (0.083 R)
• M3: 1,048,232 km (0.101 R)
• M4: 1,907,522 km (0.09 R)
• M5: 2,647,583 km (0.077 R)
• M6: 4,236,612 km (0.085 R)
• M7: 4,781,896 km (0.112 R)
• M8: 6,080,705 km (0.096 R)
• M9: 6,456,943 km (0.044 R)
• M10: 7,106,348 km (0.079 R)
• M11: 7,838,629 km (0.039 R)
• M12: 9,544,643 km (0.094 R)
• M13: 10,533,635 km (0.037 R)
• M14: 11,589,646 km (0.09 R)
• M15: 12,063,273 km (0.057 R)
• M16: 13,970,347 km (0.104 R)
• M17: 15,495,647 km (0.077 R)
• M18: 15,877,570 km (0.112 R)
• M19: 16,265,926 km (0.12 R)
• M20: 19,019,125 km (0.098 R)
• M21: 20,889,697 km (0.089 R)
• M22: 22,880,097 km (0.118 R)
• M23: 23,542,815 km (0.119 R)
• M24: 26,322,793 km (0.086 R)
• M25: 29,314,750 km (0.086 R)
• M26: 30,195,433 km (0.053 R)
• M27: 30,792,478 km (0.101 R)
• M28: 32,526,467 km (0.056 R)
• M29: 33,048,713 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.7

Radius: 8

Gravity: 15.23 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 8.49 AU - 12.41 AU

Year: 12277 Days

Day: 6.6 Hours

Environment

Temp: -176 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 115,775,518 km

• M1: 107,710 km (0.094 R)
• M2: 376,687 km (0.055 R)
• M3: 774,767 km (0.084 R)
• M4: 1,040,902 km (0.096 R)
• M5: 1,528,142 km (0.062 R)
• M6: 2,046,948 km (0.088 R)
• M7: 2,837,273 km (0.118 R)
• M8: 3,816,990 km (0.067 R)
• M9: 6,106,735 km (0.107 R)
• M10: 11,832,294 km (0.116 R)
• M11: 16,506,479 km (0.079 R)
• M12: 17,048,173 km (0.117 R)
• M13: 18,004,403 km (0.095 R)
• M14: 21,177,374 km (0.092 R)
• M15: 22,375,503 km (0.096 R)
• M16: 24,504,879 km (0.089 R)
• M17: 24,905,951 km (0.095 R)
• M18: 26,449,502 km (0.109 R)
• M19: 26,765,752 km (0.047 R)
• M20: 28,605,357 km (0.097 R)
• M21: 30,992,340 km (0.073 R)
• M22: 33,019,392 km (0.092 R)
• M23: 34,127,613 km (0.107 R)
• M24: 35,260,368 km (0.105 R)
• M25: 44,196,447 km (0.08 R)
• M26: 47,844,092 km (0.066 R)
• M27: 54,022,035 km (0.116 R)
• M28: 59,620,137 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 383.5

Radius: 6.7

Gravity: 8.54 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 13.32 AU - 18.18 AU

Year: 22717 Days

Day: 21.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 115,775,518 km

• M1: 83,476 km (0.039 R)
• M2: 424,260 km (0.052 R)
• M3: 1,187,508 km (0.092 R)
• M4: 1,746,256 km (0.08 R)
• M5: 3,736,955 km (0.095 R)
• M6: 4,004,885 km (0.106 R)
• M7: 6,894,966 km (0.05 R)
• M8: 7,862,266 km (0.074 R)
• M9: 9,288,831 km (0.066 R)
• M10: 10,524,659 km (0.107 R)
• M11: 10,939,943 km (0.105 R)
• M12: 15,408,431 km (0.077 R)
• M13: 15,943,991 km (0.071 R)
• M14: 16,650,542 km (0.052 R)
• M15: 19,775,791 km (0.084 R)
• M16: 22,288,736 km (0.113 R)
• M17: 23,672,217 km (0.09 R)
• M18: 27,157,549 km (0.088 R)
• M19: 28,734,310 km (0.064 R)
• M20: 29,545,131 km (0.1 R)
• M21: 31,822,758 km (0.073 R)
• M22: 32,316,880 km (0.082 R)
• M23: 45,919,366 km (0.106 R)
• M24: 51,297,110 km (0.092 R)
• M25: 57,079,816 km (0.096 R)
• M26: 60,409,864 km (0.062 R)
• M27: 61,548,154 km (0.068 R)
• M28: 64,850,527 km (0.05 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.1

Radius: 6.1

Gravity: 12.34 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 13.79 AU - 19.51 AU

Year: 24692 Days

Day: 18.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 115,775,518 km

• M1: 75,846 km (0.106 R)
• M2: 290,519 km (0.111 R)
• M3: 514,916 km (0.118 R)
• M4: 774,767 km (0.086 R)
• M5: 995,275 km (0.048 R)
• M6: 1,215,483 km (0.07 R)
• M7: 1,650,663 km (0.064 R)
• M8: 1,923,679 km (0.053 R)
• M9: 4,652,045 km (0.12 R)
• M10: 8,228,780 km (0.113 R)
• M11: 9,193,238 km (0.079 R)
• M12: 9,645,323 km (0.11 R)
• M13: 10,411,264 km (0.105 R)
• M14: 12,400,467 km (0.082 R)
• M15: 13,376,742 km (0.109 R)
• M16: 14,478,381 km (0.057 R)
• M17: 16,611,796 km (0.092 R)
• M18: 18,057,660 km (0.073 R)
• M19: 18,409,664 km (0.071 R)
• M20: 20,333,193 km (0.071 R)
• M21: 23,515,738 km (0.118 R)
• M22: 23,935,510 km (0.103 R)
• M23: 31,097,957 km (0.108 R)
• M24: 36,405,390 km (0.097 R)
• M25: 37,964,200 km (0.1 R)
• M26: 42,595,750 km (0.046 R)
• M27: 51,362,035 km (0.081 R)
• M28: 53,681,999 km (0.06 R)
• M29: 58,721,951 km (0.045 R)
• M30: 59,883,280 km (0.078 R)
• M31: 65,298,872 km (0.114 R)
• M32: 71,908,854 km (0.077 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 794.8

Radius: 6.5

Gravity: 18.81 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 14.32 AU - 19.98 AU

Year: 25812 Days

Day: 22.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 115,775,518 km

• M1: 81,082 km (0.114 R)
• M2: 394,041 km (0.111 R)
• M3: 597,045 km (0.108 R)
• M4: 827,127 km (0.034 R)
• M5: 1,294,171 km (0.09 R)
• M6: 1,803,552 km (0.109 R)
• M7: 2,487,364 km (0.09 R)
• M8: 2,741,231 km (0.064 R)
• M9: 4,838,743 km (0.085 R)
• M10: 5,442,819 km (0.077 R)
• M11: 6,559,867 km (0.095 R)
• M12: 8,092,646 km (0.11 R)
• M13: 8,883,870 km (0.116 R)
• M14: 9,479,718 km (0.102 R)
• M15: 10,358,456 km (0.12 R)
• M16: 11,085,950 km (0.066 R)
• M17: 15,326,003 km (0.105 R)
• M18: 15,922,150 km (0.098 R)
• M19: 16,711,129 km (0.097 R)
• M20: 17,896,393 km (0.079 R)
• M21: 21,469,688 km (0.083 R)
• M22: 22,323,742 km (0.041 R)
• M23: 23,422,838 km (0.066 R)
• M24: 40,512,450 km (0.049 R)
• M25: 43,990,301 km (0.087 R)
• M26: 46,240,253 km (0.057 R)
• M27: 51,344,383 km (0.065 R)
• M28: 52,676,701 km (0.093 R)
• M29: 56,609,929 km (0.053 R)
• M30: 65,276,432 km (0.067 R)
• M31: 65,943,190 km (0.116 R)
• M32: 68,885,032 km (0.098 R)
• M33: 74,060,969 km (0.083 R)
• M34: 76,743,408 km (0.103 R)
• M35: 85,443,422 km (0.084 R)
• M36: 85,974,644 km (0.091 R)
• M37: 91,687,039 km (0.119 R)
• M38: 93,364,330 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940

Radius: 3

Gravity: 104.44 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 17.45 AU - 22.17 AU

Year: 32045 Days

Day: 18.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 115,775,518 km

• M1: 50,863 km (0.07 R)
• M2: 208,839 km (0.086 R)
• M3: 382,971 km (0.069 R)
• M4: 520,301 km (0.096 R)
• M5: 818,749 km (0.091 R)
• M6: 935,735 km (0.044 R)
• M7: 1,409,062 km (0.091 R)
• M8: 1,867,580 km (0.069 R)
• M9: 2,265,061 km (0.072 R)
• M10: 2,444,280 km (0.06 R)
• M11: 3,829,855 km (0.116 R)
• M12: 5,711,647 km (0.104 R)
• M13: 6,338,163 km (0.088 R)
• M14: 7,116,221 km (0.115 R)
• M15: 8,072,600 km (0.033 R)
• M16: 8,984,848 km (0.071 R)
• M17: 10,236,234 km (0.052 R)
• M18: 12,757,258 km (0.067 R)
• M19: 14,074,916 km (0.06 R)
• M20: 15,571,493 km (0.097 R)
• M21: 19,716,401 km (0.087 R)
• M22: 19,930,326 km (0.079 R)
• M23: 21,246,338 km (0.102 R)
• M24: 21,584,280 km (0.072 R)
• M25: 30,662,776 km (0.104 R)
• M26: 32,561,024 km (0.1 R)
• M27: 36,108,887 km (0.079 R)
• M28: 39,058,807 km (0.034 R)
• M29: 41,286,469 km (0.049 R)
• M30: 47,509,890 km (0.039 R)
• M31: 49,059,874 km (0.079 R)
• M32: 54,120,470 km (0.109 R)
• M33: 62,231,368 km (0.081 R)
• M34: 63,618,439 km (0.092 R)
• M35: 75,465,543 km (0.095 R)
• M36: 79,719,060 km (0.114 R)
• M37: 84,691,992 km (0.064 R)
• M38: 86,967,077 km (0.112 R)
• M39: 91,936,119 km (0.094 R)
• M40: 92,532,865 km (0.103 R)
• M41: 113,019,995 km (0.051 R)
• M42: 113,704,704 km (0.101 R)

Kuiper Belt

Range: 30.2 - 57.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 431 - 16,385 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit