🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.51 AU - 0.57 AU

Year: 260 Days

Day: 40.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.46

Radius: 1.16

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.5 AU - 0.62 AU

Year: 275 Days

Day: 47.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 24.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,949,231 km

• M1: 251,175 km (0.093 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.56 AU - 0.7 AU

Year: 328 Days

Day: 39.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 17.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.3

Radius: 13.2

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.61 AU - 0.85 AU

Year: 409 Days

Day: 11.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 56,949,231 km

• M1: 164,408 km (0.085 R)
• M2: 295,905 km (0.077 R)
• M3: 382,372 km (0.098 R)
• M4: 475,721 km (0.089 R)
• M5: 558,000 km (0.118 R)
• M6: 654,042 km (0.09 R)
• M7: 736,620 km (0.118 R)
• M8: 835,953 km (0.116 R)
• M9: 940,522 km (0.071 R)
• M10: 1,031,477 km (0.063 R)
• M11: 1,130,511 km (0.105 R)
• M12: 1,469,350 km (0.09 R)
• M13: 1,576,911 km (0.108 R)
• M14: 1,754,783 km (0.066 R)
• M15: 1,857,856 km (0.054 R)
• M16: 1,974,841 km (0.109 R)
• M17: 2,070,435 km (0.076 R)
• M18: 2,334,924 km (0.106 R)
• M19: 2,558,722 km (0.117 R)
• M20: 2,736,145 km (0.071 R)
• M21: 2,931,520 km (0.118 R)
• M22: 3,096,676 km (0.106 R)
• M23: 3,236,700 km (0.093 R)
• M24: 3,429,232 km (0.078 R)
• M25: 3,559,681 km (0.076 R)
• M26: 3,647,645 km (0.092 R)
• M27: 3,736,356 km (0.105 R)
• M28: 3,848,256 km (0.061 R)
• M29: 3,968,832 km (0.11 R)
• M30: 4,052,606 km (0.065 R)
• M31: 4,144,609 km (0.094 R)
• M32: 4,237,210 km (0.096 R)
• M33: 4,354,046 km (0.047 R)
• M34: 4,448,293 km (0.077 R)
• M35: 4,623,023 km (0.075 R)
• M36: 4,913,692 km (0.116 R)
• M37: 5,044,889 km (0.085 R)
• M38: 5,235,477 km (0.041 R)
• M39: 5,344,384 km (0.079 R)
• M40: 5,623,982 km (0.107 R)
• M41: 5,795,870 km (0.077 R)
• M42: 5,908,518 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.6

Radius: 11.4

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.94 AU - 2 AU

Year: 1814 Days

Day: 14.1 Hours

Environment

Temp: -182 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 56,949,231 km

• M1: 144,362 km (0.101 R)
• M2: 299,495 km (0.037 R)
• M3: 404,064 km (0.114 R)
• M4: 498,460 km (0.095 R)
• M5: 683,363 km (0.079 R)
• M6: 776,862 km (0.117 R)
• M7: 875,297 km (0.05 R)
• M8: 952,190 km (0.119 R)
• M9: 1,226,254 km (0.097 R)
• M10: 1,323,343 km (0.12 R)
• M11: 1,484,310 km (0.092 R)
• M12: 1,782,010 km (0.089 R)
• M13: 2,018,075 km (0.079 R)
• M14: 2,192,955 km (0.106 R)
• M15: 2,324,452 km (0.063 R)
• M16: 2,421,840 km (0.064 R)
• M17: 2,786,410 km (0.119 R)
• M18: 2,890,081 km (0.054 R)
• M19: 3,008,413 km (0.027 R)
• M20: 3,469,773 km (0.109 R)
• M21: 3,581,672 km (0.079 R)
• M22: 3,680,556 km (0.105 R)
• M23: 4,218,510 km (0.079 R)
• M24: 4,688,248 km (0.1 R)
• M25: 4,781,148 km (0.083 R)
• M26: 5,206,903 km (0.038 R)
• M27: 5,677,688 km (0.115 R)
• M28: 5,826,687 km (0.119 R)
• M29: 5,943,374 km (0.04 R)
• M30: 6,094,617 km (0.102 R)
• M31: 6,922,941 km (0.094 R)
• M32: 7,029,006 km (0.048 R)
• M33: 7,314,438 km (0.087 R)
• M34: 7,422,598 km (0.111 R)
• M35: 7,512,955 km (0.1 R)
• M36: 7,622,012 km (0.067 R)
• M37: 8,007,824 km (0.11 R)
• M38: 8,268,574 km (0.113 R)
• M39: 8,475,318 km (0.071 R)
• M40: 8,551,014 km (0.118 R)
• M41: 9,261,455 km (0.06 R)
• M42: 9,495,874 km (0.104 R)
• M43: 9,574,563 km (0.104 R)
• M44: 9,930,905 km (0.105 R)
• M45: 10,010,790 km (0.049 R)
• M46: 10,534,682 km (0.101 R)
• M47: 10,779,574 km (0.068 R)
• M48: 11,233,304 km (0.062 R)
• M49: 11,379,012 km (0.044 R)
• M50: 11,588,300 km (0.119 R)
• M51: 11,672,374 km (0.102 R)
• M52: 12,159,764 km (0.091 R)
• M53: 12,718,661 km (0.063 R)
• M54: 12,914,036 km (0.113 R)
• M55: 13,351,909 km (0.097 R)
• M56: 13,550,575 km (0.117 R)
• M57: 14,017,919 km (0.074 R)
• M58: 14,107,528 km (0.12 R)
• M59: 14,309,934 km (0.117 R)
• M60: 14,626,633 km (0.115 R)
• M61: 15,060,018 km (0.107 R)
• M62: 15,174,909 km (0.039 R)
• M63: 15,289,950 km (0.091 R)
• M64: 15,497,891 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 111.1

Radius: 9.1

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.18 AU - 3.92 AU

Year: 4388 Days

Day: 12 Hours

Environment

Temp: -216 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 56,949,231 km

• M1: 152,440 km (0.118 R)
• M2: 285,732 km (0.114 R)
• M3: 355,744 km (0.069 R)
• M4: 420,819 km (0.1 R)
• M5: 622,926 km (0.058 R)
• M6: 881,131 km (0.084 R)
• M7: 1,117,197 km (0.052 R)
• M8: 1,257,221 km (0.11 R)
• M9: 1,383,332 km (0.025 R)
• M10: 1,554,920 km (0.096 R)
• M11: 1,787,246 km (0.098 R)
• M12: 2,145,233 km (0.11 R)
• M13: 2,404,487 km (0.094 R)
• M14: 2,587,146 km (0.118 R)
• M15: 3,017,987 km (0.085 R)
• M16: 3,109,392 km (0.043 R)
• M17: 3,335,584 km (0.106 R)
• M18: 3,580,924 km (0.115 R)
• M19: 3,789,912 km (0.113 R)
• M20: 4,089,407 km (0.105 R)
• M21: 4,161,813 km (0.096 R)
• M22: 4,500,502 km (0.064 R)
• M23: 4,590,261 km (0.061 R)
• M24: 4,726,246 km (0.101 R)
• M25: 5,064,038 km (0.077 R)
• M26: 5,188,802 km (0.083 R)
• M27: 5,330,471 km (0.087 R)
• M28: 5,425,616 km (0.095 R)
• M29: 5,649,863 km (0.072 R)
• M30: 5,893,558 km (0.083 R)
• M31: 6,273,836 km (0.111 R)
• M32: 6,408,025 km (0.092 R)
• M33: 6,764,816 km (0.045 R)
• M34: 6,971,560 km (0.09 R)
• M35: 7,128,039 km (0.1 R)
• M36: 7,356,026 km (0.084 R)
• M37: 7,479,894 km (0.093 R)
• M38: 7,819,481 km (0.099 R)
• M39: 7,909,688 km (0.06 R)
• M40: 8,072,899 km (0.098 R)
• M41: 8,182,256 km (0.1 R)
• M42: 8,329,011 km (0.092 R)
• M43: 8,532,165 km (0.112 R)
• M44: 8,905,711 km (0.088 R)
• M45: 9,075,654 km (0.059 R)
• M46: 9,151,500 km (0.072 R)
• M47: 9,208,497 km (0.071 R)
• M48: 9,688,407 km (0.031 R)
• M49: 9,765,899 km (0.082 R)
• M50: 9,843,689 km (0.083 R)
• M51: 9,921,630 km (0.067 R)
• M52: 10,117,304 km (0.078 R)
• M53: 10,413,358 km (0.102 R)
• M54: 10,572,530 km (0.113 R)
• M55: 11,054,535 km (0.107 R)
• M56: 11,318,724 km (0.117 R)
• M57: 11,461,740 km (0.065 R)
• M58: 11,873,882 km (0.084 R)
• M59: 12,123,561 km (0.119 R)
• M60: 12,543,482 km (0.045 R)
• M61: 12,628,005 km (0.06 R)
• M62: 12,712,827 km (0.067 R)
• M63: 13,397,686 km (0.103 R)
• M64: 13,462,462 km (0.072 R)
• M65: 13,788,137 km (0.092 R)
• M66: 14,447,265 km (0.063 R)
• M67: 14,981,928 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.7

Radius: 12.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 4.75 AU - 5.63 AU

Year: 7756 Days

Day: 9.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 56,949,231 km

• M1: 158,125 km (0.065 R)
• M2: 408,402 km (0.055 R)
• M3: 650,601 km (0.102 R)
• M4: 763,697 km (0.087 R)
• M5: 1,011,880 km (0.115 R)
• M6: 1,818,213 km (0.111 R)
• M7: 2,299,319 km (0.119 R)
• M8: 2,463,129 km (0.116 R)
• M9: 3,450,774 km (0.108 R)
• M10: 4,025,978 km (0.118 R)
• M11: 4,204,598 km (0.101 R)
• M12: 5,051,023 km (0.116 R)
• M13: 5,200,770 km (0.118 R)
• M14: 5,287,088 km (0.032 R)
• M15: 5,570,726 km (0.103 R)
• M16: 5,681,278 km (0.099 R)
• M17: 5,859,449 km (0.054 R)
• M18: 5,994,536 km (0.045 R)
• M19: 6,221,626 km (0.103 R)
• M20: 6,567,945 km (0.099 R)
• M21: 6,991,756 km (0.035 R)
• M22: 7,546,315 km (0.104 R)
• M23: 8,040,138 km (0.082 R)
• M24: 8,981,258 km (0.099 R)
• M25: 9,425,414 km (0.114 R)
• M26: 9,849,973 km (0.087 R)
• M27: 10,010,790 km (0.113 R)
• M28: 10,226,660 km (0.096 R)
• M29: 10,553,382 km (0.107 R)
• M30: 12,094,240 km (0.07 R)
• M31: 12,497,705 km (0.051 R)
• M32: 12,642,815 km (0.114 R)
• M33: 12,964,151 km (0.107 R)
• M34: 13,081,586 km (0.043 R)
• M35: 13,229,089 km (0.101 R)
• M36: 13,585,132 km (0.062 R)
• M37: 13,764,350 km (0.042 R)
• M38: 13,914,248 km (0.04 R)
• M39: 14,611,074 km (0.118 R)
• M40: 15,040,720 km (0.058 R)
• M41: 15,818,329 km (0.077 R)
• M42: 16,164,648 km (0.098 R)
• M43: 17,640,132 km (0.109 R)
• M44: 18,130,514 km (0.117 R)
• M45: 18,824,498 km (0.104 R)
• M46: 19,191,612 km (0.096 R)
• M47: 19,797,333 km (0.082 R)
• M48: 19,898,910 km (0.106 R)
• M49: 20,683,402 km (0.097 R)
• M50: 21,027,776 km (0.1 R)
• M51: 21,166,004 km (0.073 R)
• M52: 21,269,825 km (0.086 R)
• M53: 21,652,197 km (0.097 R)
• M54: 22,670,959 km (0.086 R)
• M55: 24,029,756 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.3

Radius: 4.1

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 7.5 AU - 7.9 AU

Year: 14017 Days

Day: 20.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 56,949,231 km

• M1: 189,241 km (0.085 R)
• M2: 218,413 km (0.076 R)
• M3: 260,151 km (0.086 R)
• M4: 441,912 km (0.032 R)
• M5: 524,490 km (0.059 R)
• M6: 612,154 km (0.116 R)
• M7: 673,340 km (0.088 R)
• M8: 886,218 km (0.066 R)
• M9: 1,063,641 km (0.049 R)
• M10: 1,100,442 km (0.099 R)
• M11: 1,137,692 km (0.068 R)
• M12: 1,430,455 km (0.115 R)
• M13: 1,471,295 km (0.049 R)
• M14: 1,724,115 km (0.056 R)
• M15: 1,811,331 km (0.109 R)
• M16: 2,174,854 km (0.071 R)
• M17: 2,437,697 km (0.071 R)
• M18: 2,660,299 km (0.09 R)
• M19: 2,966,975 km (0.041 R)
• M20: 2,993,154 km (0.076 R)
• M21: 3,177,758 km (0.087 R)
• M22: 3,952,825 km (0.053 R)
• M23: 4,331,756 km (0.084 R)
• M24: 4,480,606 km (0.105 R)
• M25: 4,844,428 km (0.098 R)
• M26: 4,875,245 km (0.116 R)
• M27: 4,967,996 km (0.074 R)
• M28: 5,281,104 km (0.116 R)
• M29: 5,376,248 km (0.099 R)
• M30: 5,893,408 km (0.079 R)
• M31: 5,926,320 km (0.106 R)
• M32: 6,528,002 km (0.108 R)
• M33: 6,664,436 km (0.066 R)
• M34: 6,939,995 km (0.119 R)
• M35: 7,254,450 km (0.079 R)
• M36: 7,289,605 km (0.047 R)
• M37: 7,537,788 km (0.114 R)
• M38: 8,188,539 km (0.087 R)
• M39: 8,335,593 km (0.083 R)
• M40: 8,744,594 km (0.105 R)
• M41: 8,819,692 km (0.098 R)
• M42: 8,894,940 km (0.088 R)
• M43: 8,932,638 km (0.07 R)
• M44: 9,008,185 km (0.094 R)
• M45: 9,775,772 km (0.104 R)
• M46: 9,931,653 km (0.069 R)
• M47: 10,167,270 km (0.102 R)
• M48: 11,413,420 km (0.111 R)
• M49: 11,784,123 km (0.093 R)
• M50: 12,326,565 km (0.119 R)
• M51: 13,305,983 km (0.062 R)
• M52: 13,652,601 km (0.097 R)
• M53: 13,826,882 km (0.109 R)
• M54: 14,221,970 km (0.104 R)
• M55: 14,398,795 km (0.106 R)
• M56: 14,620,798 km (0.105 R)
• M57: 14,888,578 km (0.027 R)
• M58: 15,068,096 km (0.11 R)
• M59: 15,429,225 km (0.108 R)
• M60: 16,113,935 km (0.043 R)
• M61: 16,761,993 km (0.051 R)
• M62: 17,512,974 km (0.07 R)
• M63: 18,179,133 km (0.117 R)
• M64: 18,708,261 km (0.062 R)
• M65: 19,096,318 km (0.109 R)
• M66: 20,325,863 km (0.104 R)
• M67: 20,475,012 km (0.108 R)
• M68: 23,379,305 km (0.074 R)
• M69: 23,431,365 km (0.076 R)
• M70: 23,744,772 km (0.075 R)
• M71: 24,322,819 km (0.076 R)
• M72: 24,534,200 km (0.027 R)
• M73: 24,640,116 km (0.076 R)
• M74: 24,905,652 km (0.09 R)
• M75: 25,118,679 km (0.083 R)
• M76: 25,385,861 km (0.101 R)
• M77: 25,761,352 km (0.109 R)
• M78: 26,626,775 km (0.066 R)
• M79: 27,336,917 km (0.068 R)
• M80: 28,164,043 km (0.101 R)
• M81: 28,274,895 km (0.095 R)
• M82: 28,441,547 km (0.065 R)
• M83: 29,167,246 km (0.107 R)
• M84: 31,611,077 km (0.109 R)
• M85: 31,668,672 km (0.091 R)
• M86: 34,001,502 km (0.065 R)
• M87: 34,237,866 km (0.067 R)
• M88: 35,188,561 km (0.099 R)
• M89: 35,727,113 km (0.067 R)
• M90: 36,328,646 km (0.098 R)
• M91: 36,389,084 km (0.098 R)
• M92: 36,691,271 km (0.094 R)
• M93: 36,812,446 km (0.117 R)
• M94: 37,359,076 km (0.066 R)
• M95: 38,953,490 km (0.1 R)
• M96: 39,821,158 km (0.093 R)
• M97: 41,575,642 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 377.4

Radius: 4.5

Gravity: 18.64 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 8.05 AU - 9.77 AU

Year: 17447 Days

Day: 18.9 Hours

Environment

Temp: -238 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 56,949,231 km

• M1: 121,623 km (0.098 R)
• M2: 216,917 km (0.107 R)
• M3: 428,448 km (0.111 R)
• M4: 769,831 km (0.098 R)
• M5: 1,367,474 km (0.099 R)
• M6: 1,490,892 km (0.063 R)
• M7: 1,748,201 km (0.104 R)
• M8: 1,991,746 km (0.097 R)
• M9: 2,450,563 km (0.068 R)
• M10: 2,510,252 km (0.115 R)
• M11: 2,600,609 km (0.116 R)
• M12: 2,692,014 km (0.106 R)
• M13: 2,846,698 km (0.053 R)
• M14: 3,132,579 km (0.099 R)
• M15: 3,262,430 km (0.083 R)
• M16: 3,295,342 km (0.111 R)
• M17: 3,394,226 km (0.03 R)
• M18: 3,629,095 km (0.111 R)
• M19: 4,693,633 km (0.101 R)
• M20: 5,298,009 km (0.118 R)
• M21: 5,375,351 km (0.043 R)
• M22: 6,828,993 km (0.107 R)
• M23: 8,350,254 km (0.089 R)
• M24: 9,079,244 km (0.042 R)
• M25: 9,828,281 km (0.113 R)
• M26: 10,645,684 km (0.091 R)
• M27: 10,841,208 km (0.105 R)
• M28: 11,886,897 km (0.108 R)
• M29: 12,293,803 km (0.118 R)
• M30: 12,705,048 km (0.091 R)
• M31: 13,912,602 km (0.097 R)
• M32: 14,019,265 km (0.097 R)
• M33: 14,502,915 km (0.087 R)
• M34: 15,211,111 km (0.055 R)
• M35: 17,632,503 km (0.115 R)
• M36: 17,690,247 km (0.106 R)
• M37: 17,863,781 km (0.105 R)
• M38: 18,387,822 km (0.04 R)
• M39: 19,869,739 km (0.105 R)
• M40: 20,716,313 km (0.118 R)
• M41: 21,205,349 km (0.104 R)
• M42: 22,257,022 km (0.082 R)
• M43: 23,009,499 km (0.052 R)
• M44: 24,668,390 km (0.095 R)
• M45: 25,316,597 km (0.045 R)
• M46: 27,696,251 km (0.09 R)
• M47: 28,099,866 km (0.079 R)
• M48: 30,077,400 km (0.089 R)
• M49: 31,187,416 km (0.108 R)
• M50: 32,381,656 km (0.064 R)
• M51: 32,593,935 km (0.093 R)
• M52: 33,447,541 km (0.115 R)
• M53: 33,519,049 km (0.103 R)
• M54: 33,805,528 km (0.104 R)
• M55: 34,525,094 km (0.096 R)
• M56: 34,742,011 km (0.1 R)
• M57: 35,468,159 km (0.098 R)
• M58: 37,305,221 km (0.111 R)
• M59: 37,602,023 km (0.038 R)
• M60: 37,750,723 km (0.115 R)
• M61: 38,646,964 km (0.102 R)
• M62: 39,701,480 km (0.091 R)
• M63: 40,536,685 km (0.047 R)
• M64: 41,377,574 km (0.062 R)
• M65: 41,838,784 km (0.111 R)
• M66: 42,301,640 km (0.103 R)
• M67: 43,232,289 km (0.101 R)
• M68: 43,310,229 km (0.049 R)
• M69: 45,113,931 km (0.119 R)
• M70: 45,667,742 km (0.088 R)
• M71: 48,147,327 km (0.097 R)
• M72: 48,713,255 km (0.092 R)
• M73: 49,851,695 km (0.11 R)
• M74: 51,575,811 km (0.111 R)
• M75: 54,156,374 km (0.078 R)
• M76: 55,166,608 km (0.108 R)
• M77: 55,758,717 km (0.092 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 444 - 10,887 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit