🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.5 AU - 0.54 AU

Year: 138 Days

Day: 31.8 Hours

Environment

Temp: 161 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,113,854 km

• M1: 54,902 km (0.057 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.82

Radius: 1.71

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.45 AU - 0.65 AU

Year: 150 Days

Day: 21 Hours

Environment

Temp: 151 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 81,113,854 km

• M1: 111,301 km (0.118 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.66 AU - 2.4 AU

Year: 1062 Days

Day: 45.2 Hours

Environment

Temp: -80 °C

Axial Tilt: 17.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.93 AU - 2.79 AU

Year: 1331 Days

Day: 29 Hours

Environment

Temp: -74 °C

Axial Tilt: 6.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.4 AU - 2.68 AU

Year: 1486 Days

Day: 43.8 Hours

Environment

Temp: -83 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.2

Radius: 8.5

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 5.21 AU - 7.97 AU

Year: 6210 Days

Day: 15 Hours

Environment

Temp: -148 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 81,113,854 km

• M1: 111,750 km (0.088 R)
• M2: 248,632 km (0.114 R)
• M3: 310,864 km (0.105 R)
• M4: 644,916 km (0.114 R)
• M5: 916,586 km (0.11 R)
• M6: 975,079 km (0.079 R)
• M7: 1,133,653 km (0.063 R)
• M8: 1,790,836 km (0.027 R)
• M9: 2,063,852 km (0.12 R)
• M10: 2,173,657 km (0.114 R)
• M11: 2,382,645 km (0.102 R)
• M12: 2,734,350 km (0.044 R)
• M13: 2,803,314 km (0.037 R)
• M14: 3,246,872 km (0.059 R)
• M15: 3,375,078 km (0.105 R)
• M16: 3,636,575 km (0.025 R)
• M17: 3,904,654 km (0.088 R)
• M18: 3,962,997 km (0.091 R)
• M19: 4,100,178 km (0.097 R)
• M20: 4,318,891 km (0.117 R)
• M21: 4,541,492 km (0.099 R)
• M22: 4,976,972 km (0.106 R)
• M23: 5,512,682 km (0.118 R)
• M24: 5,600,196 km (0.085 R)
• M25: 5,820,853 km (0.102 R)
• M26: 5,932,154 km (0.086 R)
• M27: 6,134,560 km (0.091 R)
• M28: 6,569,142 km (0.11 R)
• M29: 6,755,092 km (0.103 R)
• M30: 7,179,950 km (0.091 R)
• M31: 7,443,990 km (0.113 R)
• M32: 7,759,941 km (0.08 R)
• M33: 7,956,662 km (0.092 R)
• M34: 8,279,793 km (0.091 R)
• M35: 8,556,549 km (0.081 R)
• M36: 8,810,866 km (0.027 R)
• M37: 8,887,609 km (0.098 R)
• M38: 9,300,799 km (0.105 R)
• M39: 9,509,787 km (0.085 R)
• M40: 9,985,658 km (0.118 R)
• M41: 10,039,064 km (0.06 R)
• M42: 10,226,510 km (0.098 R)
• M43: 10,850,782 km (0.064 R)
• M44: 10,960,587 km (0.064 R)
• M45: 11,126,042 km (0.068 R)
• M46: 11,320,071 km (0.11 R)
• M47: 11,683,444 km (0.108 R)
• M48: 11,796,091 km (0.116 R)
• M49: 12,364,414 km (0.075 R)
• M50: 12,565,473 km (0.11 R)
• M51: 12,680,813 km (0.113 R)
• M52: 12,912,690 km (0.111 R)
• M53: 13,145,913 km (0.086 R)
• M54: 13,409,953 km (0.096 R)
• M55: 13,468,745 km (0.12 R)
• M56: 13,705,259 km (0.026 R)
• M57: 14,362,742 km (0.111 R)
• M58: 14,574,124 km (0.113 R)
• M59: 14,634,711 km (0.085 R)
• M60: 15,245,220 km (0.11 R)
• M61: 15,770,608 km (0.104 R)
• M62: 15,863,957 km (0.074 R)
• M63: 15,957,455 km (0.063 R)
• M64: 16,553,902 km (0.119 R)
• M65: 16,680,462 km (0.113 R)
• M66: 16,966,343 km (0.116 R)
• M67: 17,061,936 km (0.039 R)
• M68: 17,478,566 km (0.114 R)
• M69: 18,060,801 km (0.113 R)
• M70: 18,256,326 km (0.092 R)
• M71: 18,354,462 km (0.117 R)
• M72: 18,452,598 km (0.085 R)
• M73: 18,682,380 km (0.068 R)
• M74: 18,748,204 km (0.052 R)
• M75: 19,177,998 km (0.043 R)
• M76: 19,310,991 km (0.092 R)
• M77: 19,510,853 km (0.06 R)
• M78: 20,656,773 km (0.078 R)
• M79: 20,827,165 km (0.064 R)
• M80: 21,135,038 km (0.115 R)
• M81: 21,203,703 km (0.055 R)
• M82: 21,444,406 km (0.038 R)
• M83: 22,206,757 km (0.034 R)
• M84: 23,402,642 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.2

Radius: 12.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 6.55 AU - 8.77 AU

Year: 7782 Days

Day: 11.6 Hours

Environment

Temp: -158 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 81,113,854 km

• M1: 205,398 km (0.09 R)
• M2: 371,900 km (0.104 R)
• M3: 466,446 km (0.043 R)
• M4: 675,434 km (0.116 R)
• M5: 890,556 km (0.07 R)
• M6: 1,159,084 km (0.109 R)
• M7: 1,280,109 km (0.112 R)
• M8: 1,405,771 km (0.104 R)
• M9: 1,486,554 km (0.081 R)
• M10: 1,653,056 km (0.041 R)
• M11: 1,843,644 km (0.117 R)
• M12: 2,265,959 km (0.101 R)
• M13: 2,779,828 km (0.104 R)
• M14: 2,987,320 km (0.096 R)
• M15: 3,156,964 km (0.029 R)
• M16: 3,417,414 km (0.05 R)
• M17: 3,685,194 km (0.092 R)
• M18: 4,312,757 km (0.116 R)
• M19: 4,481,055 km (0.108 R)
• M20: 4,824,083 km (0.098 R)
• M21: 5,640,139 km (0.089 R)
• M22: 6,334,871 km (0.047 R)
• M23: 6,803,711 km (0.089 R)
• M24: 7,687,685 km (0.11 R)
• M25: 7,833,692 km (0.068 R)
• M26: 8,789,922 km (0.084 R)
• M27: 9,374,999 km (0.056 R)
• M28: 9,656,692 km (0.075 R)
• M29: 9,782,803 km (0.104 R)
• M30: 9,877,648 km (0.061 R)
• M31: 10,036,521 km (0.111 R)
• M32: 10,260,469 km (0.093 R)
• M33: 10,356,960 km (0.052 R)
• M34: 11,172,418 km (0.114 R)
• M35: 11,304,961 km (0.097 R)
• M36: 11,504,525 km (0.103 R)
• M37: 11,638,266 km (0.068 R)
• M38: 11,873,583 km (0.074 R)
• M39: 12,761,297 km (0.103 R)
• M40: 13,143,370 km (0.099 R)
• M41: 13,564,488 km (0.08 R)
• M42: 13,776,618 km (0.07 R)
• M43: 14,132,810 km (0.098 R)
• M44: 14,745,264 km (0.078 R)
• M45: 15,329,593 km (0.091 R)
• M46: 15,513,748 km (0.108 R)
• M47: 15,847,202 km (0.049 R)
• M48: 16,033,451 km (0.063 R)
• M49: 16,558,839 km (0.119 R)
• M50: 16,861,625 km (0.078 R)
• M51: 17,280,798 km (0.082 R)
• M52: 18,285,647 km (0.096 R)
• M53: 18,755,683 km (0.079 R)
• M54: 19,908,185 km (0.06 R)
• M55: 20,716,463 km (0.116 R)
• M56: 20,879,375 km (0.046 R)
• M57: 22,365,031 km (0.044 R)
• M58: 23,247,210 km (0.117 R)
• M59: 23,713,955 km (0.117 R)
• M60: 23,799,226 km (0.115 R)
• M61: 24,355,431 km (0.062 R)
• M62: 24,613,487 km (0.078 R)
• M63: 25,480,706 km (0.105 R)
• M64: 26,005,795 km (0.094 R)
• M65: 26,490,193 km (0.117 R)
• M66: 26,844,440 km (0.085 R)
• M67: 27,022,163 km (0.106 R)
• M68: 27,111,173 km (0.075 R)
• M69: 27,423,384 km (0.082 R)
• M70: 27,781,821 km (0.06 R)
• M71: 28,051,546 km (0.073 R)
• M72: 28,367,496 km (0.062 R)
• M73: 29,276,303 km (0.112 R)
• M74: 29,918,228 km (0.088 R)
• M75: 30,564,939 km (0.026 R)
• M76: 30,657,690 km (0.103 R)
• M77: 31,076,115 km (0.064 R)
• M78: 31,169,464 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 108.5

Radius: 12.6

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 8.05 AU - 9.45 AU

Year: 9501 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 81,113,854 km

• M1: 174,581 km (0.096 R)
• M2: 261,048 km (0.118 R)
• M3: 658,081 km (0.113 R)
• M4: 956,230 km (0.072 R)
• M5: 1,532,032 km (0.111 R)
• M6: 2,318,019 km (0.1 R)
• M7: 2,588,043 km (0.082 R)
• M8: 2,709,517 km (0.099 R)
• M9: 3,085,306 km (0.117 R)
• M10: 3,612,489 km (0.064 R)
• M11: 3,866,955 km (0.111 R)
• M12: 4,127,405 km (0.119 R)
• M13: 4,372,895 km (0.109 R)
• M14: 4,560,341 km (0.09 R)
• M15: 5,492,187 km (0.061 R)
• M16: 5,626,825 km (0.116 R)
• M17: 5,785,398 km (0.096 R)
• M18: 6,014,433 km (0.082 R)
• M19: 6,434,504 km (0.037 R)
• M20: 7,751,114 km (0.054 R)
• M21: 8,233,867 km (0.065 R)
• M22: 8,726,493 km (0.043 R)
• M23: 8,884,019 km (0.066 R)
• M24: 9,202,064 km (0.102 R)
• M25: 9,308,877 km (0.061 R)
• M26: 9,577,704 km (0.097 R)
• M27: 9,686,013 km (0.101 R)
• M28: 9,794,771 km (0.099 R)
• M29: 10,095,762 km (0.066 R)
• M30: 11,330,244 km (0.12 R)
• M31: 11,416,262 km (0.111 R)
• M32: 12,140,615 km (0.113 R)
• M33: 13,119,584 km (0.05 R)
• M34: 13,240,010 km (0.104 R)
• M35: 13,360,735 km (0.12 R)
• M36: 13,970,197 km (0.045 R)
• M37: 15,310,893 km (0.106 R)
• M38: 15,756,246 km (0.036 R)
• M39: 16,109,148 km (0.088 R)
• M40: 17,052,212 km (0.09 R)
• M41: 18,923,532 km (0.095 R)
• M42: 21,388,456 km (0.119 R)
• M43: 21,636,938 km (0.092 R)
• M44: 23,475,945 km (0.086 R)
• M45: 23,952,713 km (0.06 R)
• M46: 24,210,770 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 455.6

Radius: 11.2

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 10.11 AU - 12.63 AU

Year: 14074 Days

Day: 7.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 81,113,854 km

• M1: 176,825 km (0.081 R)
• M2: 359,035 km (0.026 R)
• M3: 742,903 km (0.062 R)
• M4: 909,555 km (0.088 R)
• M5: 987,795 km (0.07 R)
• M6: 1,460,973 km (0.101 R)
• M7: 1,999,376 km (0.104 R)
• M8: 2,183,082 km (0.112 R)
• M9: 2,455,350 km (0.117 R)
• M10: 2,652,669 km (0.114 R)
• M11: 3,123,155 km (0.096 R)
• M12: 3,275,595 km (0.064 R)
• M13: 3,493,260 km (0.087 R)
• M14: 3,588,105 km (0.115 R)
• M15: 4,241,997 km (0.079 R)
• M16: 4,513,817 km (0.065 R)
• M17: 5,146,616 km (0.057 R)
• M18: 6,033,432 km (0.109 R)
• M19: 6,494,642 km (0.026 R)
• M20: 6,768,855 km (0.058 R)
• M21: 6,887,636 km (0.104 R)
• M22: 7,207,625 km (0.092 R)
• M23: 7,655,671 km (0.067 R)
• M24: 8,029,067 km (0.116 R)
• M25: 9,053,813 km (0.065 R)
• M26: 9,184,711 km (0.094 R)
• M27: 9,272,375 km (0.107 R)
• M28: 9,492,882 km (0.087 R)
• M29: 10,164,577 km (0.063 R)
• M30: 10,574,924 km (0.061 R)
• M31: 10,805,305 km (0.026 R)
• M32: 13,596,651 km (0.049 R)
• M33: 14,659,395 km (0.118 R)
• M34: 15,174,909 km (0.111 R)
• M35: 15,906,592 km (0.075 R)
• M36: 17,676,335 km (0.103 R)
• M37: 18,169,858 km (0.09 R)
• M38: 18,446,016 km (0.066 R)
• M39: 20,532,158 km (0.065 R)
• M40: 21,224,647 km (0.105 R)
• M41: 21,399,078 km (0.112 R)
• M42: 21,515,465 km (0.098 R)
• M43: 22,870,373 km (0.116 R)
• M44: 23,168,521 km (0.057 R)
• M45: 24,191,920 km (0.086 R)
• M46: 25,353,249 km (0.045 R)
• M47: 27,476,192 km (0.096 R)
• M48: 27,666,331 km (0.06 R)
• M49: 27,984,077 km (0.059 R)
• M50: 28,558,982 km (0.114 R)
• M51: 30,766,148 km (0.079 R)
• M52: 31,029,441 km (0.051 R)
• M53: 31,425,726 km (0.087 R)
• M54: 32,893,281 km (0.086 R)
• M55: 33,162,407 km (0.114 R)
• M56: 33,635,286 km (0.101 R)
• M57: 35,136,052 km (0.106 R)
• M58: 36,102,305 km (0.114 R)
• M59: 37,007,521 km (0.055 R)
• M60: 37,638,525 km (0.096 R)
• M61: 38,414,639 km (0.119 R)
• M62: 38,840,095 km (0.11 R)
• M63: 39,338,555 km (0.095 R)
• M64: 40,054,381 km (0.075 R)
• M65: 41,498,749 km (0.092 R)
• M66: 41,716,862 km (0.067 R)
• M67: 41,935,275 km (0.085 R)
• M68: 42,446,601 km (0.058 R)
• M69: 42,593,057 km (0.084 R)
• M70: 43,107,075 km (0.119 R)
• M71: 43,770,991 km (0.093 R)
• M72: 44,215,446 km (0.047 R)
• M73: 45,258,293 km (0.064 R)
• M74: 45,482,839 km (0.082 R)
• M75: 46,535,559 km (0.067 R)
• M76: 47,596,358 km (0.099 R)
• M77: 47,672,503 km (0.05 R)
• M78: 47,748,499 km (0.113 R)
• M79: 48,206,119 km (0.057 R)
• M80: 48,895,166 km (0.091 R)
• M81: 49,587,356 km (0.096 R)
• M82: 51,371,310 km (0.099 R)
• M83: 52,231,947 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 14.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 854.9

Radius: 4.3

Gravity: 46.24 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 12.62 AU - 15.84 AU

Year: 19705 Days

Day: 20.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 81,113,854 km

• M1: 74,051 km (0.071 R)
• M2: 474,674 km (0.117 R)
• M3: 607,218 km (0.085 R)
• M4: 726,447 km (0.117 R)
• M5: 2,205,671 km (0.106 R)
• M6: 2,502,324 km (0.084 R)
• M7: 2,970,565 km (0.027 R)
• M8: 3,051,198 km (0.077 R)
• M9: 3,339,174 km (0.115 R)
• M10: 3,809,211 km (0.044 R)
• M11: 4,622,125 km (0.038 R)
• M12: 4,904,566 km (0.086 R)
• M13: 5,192,841 km (0.105 R)
• M14: 5,387,917 km (0.088 R)
• M15: 5,437,135 km (0.077 R)
• M16: 6,089,681 km (0.118 R)
• M17: 6,451,408 km (0.099 R)
• M18: 6,555,977 km (0.082 R)
• M19: 6,766,760 km (0.119 R)
• M20: 6,873,125 km (0.102 R)
• M21: 7,033,493 km (0.04 R)
• M22: 8,304,178 km (0.112 R)
• M23: 9,465,356 km (0.035 R)
• M24: 10,064,646 km (0.108 R)
• M25: 10,246,856 km (0.078 R)
• M26: 10,307,892 km (0.1 R)
• M27: 10,614,567 km (0.05 R)
• M28: 10,986,617 km (0.042 R)
• M29: 11,615,975 km (0.098 R)
• M30: 11,679,555 km (0.089 R)
• M31: 12,321,778 km (0.105 R)
• M32: 12,386,704 km (0.106 R)
• M33: 12,451,629 km (0.092 R)
• M34: 12,778,201 km (0.093 R)
• M35: 12,843,875 km (0.111 R)
• M36: 13,373,002 km (0.076 R)
• M37: 13,976,929 km (0.106 R)
• M38: 14,452,650 km (0.035 R)
• M39: 14,933,757 km (0.06 R)
• M40: 15,072,285 km (0.12 R)
• M41: 17,344,078 km (0.11 R)
• M42: 17,928,557 km (0.088 R)
• M43: 19,267,009 km (0.06 R)
• M44: 19,342,257 km (0.079 R)
• M45: 20,330,051 km (0.11 R)
• M46: 20,791,411 km (0.087 R)
• M47: 23,550,894 km (0.072 R)
• M48: 23,954,359 km (0.032 R)
• M49: 24,035,291 km (0.118 R)
• M50: 24,523,130 km (0.12 R)
• M51: 25,508,382 km (0.03 R)
• M52: 25,591,109 km (0.106 R)
• M53: 26,674,198 km (0.117 R)
• M54: 26,758,122 km (0.099 R)
• M55: 29,924,660 km (0.116 R)
• M56: 30,449,300 km (0.076 R)
• M57: 31,241,870 km (0.084 R)
• M58: 31,952,011 km (0.106 R)
• M59: 32,219,641 km (0.068 R)
• M60: 33,569,164 km (0.079 R)
• M61: 33,932,088 km (0.038 R)
• M62: 35,674,006 km (0.049 R)
• M63: 35,766,457 km (0.112 R)
• M64: 38,957,978 km (0.083 R)
• M65: 40,491,057 km (0.114 R)
• M66: 42,827,327 km (0.082 R)
• M67: 43,714,742 km (0.113 R)
• M68: 44,210,210 km (0.066 R)
• M69: 46,412,889 km (0.118 R)
• M70: 46,817,102 km (0.099 R)
• M71: 49,061,519 km (0.104 R)
• M72: 49,679,807 km (0.114 R)
• M73: 52,388,127 km (0.079 R)
• M74: 53,019,879 km (0.056 R)
• M75: 53,866,304 km (0.098 R)
• M76: 54,184,798 km (0.07 R)
• M77: 55,786,841 km (0.089 R)
• M78: 57,729,669 km (0.088 R)
• M79: 58,055,493 km (0.038 R)
• M80: 58,600,179 km (0.081 R)
• M81: 60,685,124 km (0.046 R)
• M82: 62,571,105 km (0.054 R)
• M83: 62,794,305 km (0.098 R)
• M84: 63,129,553 km (0.074 R)
• M85: 64,701,677 km (0.086 R)
• M86: 64,927,271 km (0.108 R)
• M87: 65,040,217 km (0.078 R)
• M88: 66,969,880 km (0.041 R)
• M89: 67,999,114 km (0.09 R)
• M90: 68,343,338 km (0.093 R)
• M91: 73,811,141 km (0.097 R)
• M92: 74,519,187 km (0.085 R)
• M93: 75,823,232 km (0.078 R)
• M94: 76,418,332 km (0.114 R)
• M95: 77,493,642 km (0.096 R)
• M96: 79,055,593 km (0.076 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,688 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit