🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.81

Radius: 1.87

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.61 AU - 0.77 AU

Year: 213 Days

Day: 43.4 Hours

Environment

Temp: 193 °C

Axial Tilt: 45.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 60,807,956 km

• M1: 109,506 km (0.07 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.69 AU - 0.97 AU

Year: 280 Days

Day: 45.2 Hours

Environment

Temp: 94 °C

Axial Tilt: 35.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 60,807,956 km

• M1: 387,159 km (0.075 R)
• M2: 555,307 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 1.05 AU - 1.63 AU

Year: 575 Days

Day: 22.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 43.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 11.8

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.64 AU - 8.5 AU

Year: 6972 Days

Day: 8.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 60,807,956 km

• M1: 202,556 km (0.076 R)
• M2: 287,976 km (0.107 R)
• M3: 705,204 km (0.107 R)
• M4: 866,770 km (0.103 R)
• M5: 952,639 km (0.086 R)
• M6: 1,056,610 km (0.1 R)
• M7: 1,149,061 km (0.081 R)
• M8: 1,276,967 km (0.055 R)
• M9: 1,359,545 km (0.099 R)
• M10: 1,443,919 km (0.054 R)
• M11: 1,565,093 km (0.119 R)
• M12: 2,007,454 km (0.112 R)
• M13: 2,163,484 km (0.116 R)
• M14: 2,344,049 km (0.063 R)
• M15: 2,959,794 km (0.088 R)
• M16: 3,183,592 km (0.092 R)
• M17: 3,553,249 km (0.081 R)
• M18: 4,511,722 km (0.038 R)
• M19: 4,588,765 km (0.068 R)
• M20: 4,691,988 km (0.028 R)
• M21: 4,953,634 km (0.036 R)
• M22: 5,382,382 km (0.118 R)
• M23: 5,491,439 km (0.119 R)
• M24: 6,247,057 km (0.075 R)
• M25: 6,506,161 km (0.086 R)
• M26: 6,916,358 km (0.108 R)
• M27: 7,244,576 km (0.087 R)
• M28: 7,486,625 km (0.108 R)
• M29: 8,103,268 km (0.118 R)
• M30: 8,354,443 km (0.118 R)
• M31: 8,640,175 km (0.038 R)
• M32: 8,993,824 km (0.048 R)
• M33: 9,352,260 km (0.072 R)
• M34: 9,549,730 km (0.032 R)
• M35: 9,848,626 km (0.064 R)
• M36: 10,083,196 km (0.1 R)
• M37: 10,184,324 km (0.12 R)
• M38: 10,353,519 km (0.109 R)
• M39: 10,763,567 km (0.094 R)
• M40: 11,109,437 km (0.108 R)
• M41: 12,710,433 km (0.116 R)
• M42: 13,482,209 km (0.093 R)
• M43: 15,302,665 km (0.041 R)
• M44: 16,005,027 km (0.109 R)
• M45: 16,083,716 km (0.115 R)
• M46: 16,162,554 km (0.1 R)
• M47: 16,439,460 km (0.113 R)
• M48: 16,638,275 km (0.062 R)
• M49: 16,917,874 km (0.071 R)
• M50: 17,360,534 km (0.051 R)
• M51: 17,929,305 km (0.049 R)
• M52: 20,095,183 km (0.108 R)
• M53: 20,478,303 km (0.108 R)
• M54: 21,642,474 km (0.084 R)
• M55: 21,816,755 km (0.092 R)
• M56: 21,947,803 km (0.087 R)
• M57: 23,049,741 km (0.116 R)
• M58: 23,361,652 km (0.114 R)
• M59: 23,585,152 km (0.107 R)
• M60: 24,804,823 km (0.111 R)
• M61: 25,261,695 km (0.048 R)
• M62: 25,491,178 km (0.119 R)
• M63: 25,767,485 km (0.117 R)
• M64: 26,416,142 km (0.071 R)
• M65: 26,695,740 km (0.111 R)
• M66: 26,882,737 km (0.098 R)
• M67: 27,493,396 km (0.101 R)
• M68: 28,393,975 km (0.077 R)
• M69: 29,208,087 km (0.087 R)
• M70: 30,078,447 km (0.067 R)
• M71: 30,224,455 km (0.082 R)
• M72: 31,844,749 km (0.093 R)
• M73: 32,191,966 km (0.102 R)
• M74: 32,740,392 km (0.107 R)
• M75: 32,890,438 km (0.097 R)
• M76: 33,191,280 km (0.103 R)
• M77: 33,846,369 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826.2

Radius: 11.1

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7 AU - 10.3 AU

Year: 9435 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 60,807,956 km

• M1: 150,495 km (0.093 R)
• M2: 458,517 km (0.092 R)
• M3: 589,715 km (0.078 R)
• M4: 735,274 km (0.109 R)
• M5: 986,897 km (0.116 R)
• M6: 1,372,411 km (0.104 R)
• M7: 2,223,623 km (0.077 R)
• M8: 3,067,056 km (0.083 R)
• M9: 3,153,673 km (0.111 R)
• M10: 4,000,995 km (0.077 R)
• M11: 4,482,850 km (0.106 R)
• M12: 5,188,503 km (0.116 R)
• M13: 6,182,730 km (0.088 R)
• M14: 6,701,685 km (0.078 R)
• M15: 6,776,933 km (0.063 R)
• M16: 6,852,630 km (0.117 R)
• M17: 7,042,769 km (0.036 R)
• M18: 7,157,809 km (0.089 R)
• M19: 7,312,045 km (0.067 R)
• M20: 8,626,561 km (0.118 R)
• M21: 8,956,275 km (0.098 R)
• M22: 9,374,102 km (0.088 R)
• M23: 9,969,950 km (0.094 R)
• M24: 10,534,084 km (0.08 R)
• M25: 10,797,974 km (0.113 R)
• M26: 11,332,487 km (0.084 R)
• M27: 11,921,155 km (0.054 R)
• M28: 12,150,189 km (0.09 R)
• M29: 12,288,418 km (0.091 R)
• M30: 12,940,066 km (0.11 R)
• M31: 13,412,496 km (0.111 R)
• M32: 14,034,973 km (0.078 R)
• M33: 14,863,296 km (0.078 R)
• M34: 15,507,465 km (0.05 R)
• M35: 15,707,477 km (0.065 R)
• M36: 16,977,114 km (0.077 R)
• M37: 18,596,661 km (0.031 R)
• M38: 18,755,983 km (0.081 R)
• M39: 18,969,160 km (0.101 R)
• M40: 19,076,122 km (0.102 R)
• M41: 19,667,632 km (0.107 R)
• M42: 19,884,250 km (0.049 R)
• M43: 20,047,162 km (0.039 R)
• M44: 20,210,672 km (0.107 R)
• M45: 21,034,358 km (0.117 R)
• M46: 21,422,415 km (0.075 R)
• M47: 21,701,116 km (0.108 R)
• M48: 23,513,345 km (0.07 R)
• M49: 24,495,604 km (0.105 R)
• M50: 24,787,021 km (0.113 R)
• M51: 25,964,506 km (0.068 R)
• M52: 27,280,518 km (0.107 R)
• M53: 28,373,480 km (0.109 R)
• M54: 28,802,377 km (0.1 R)
• M55: 29,171,734 km (0.12 R)
• M56: 29,852,853 km (0.067 R)
• M57: 30,539,209 km (0.053 R)
• M58: 30,978,877 km (0.077 R)
• M59: 31,230,949 km (0.068 R)
• M60: 31,483,769 km (0.118 R)
• M61: 32,054,934 km (0.072 R)
• M62: 32,182,392 km (0.109 R)
• M63: 32,309,999 km (0.1 R)
• M64: 33,789,222 km (0.089 R)
• M65: 35,290,437 km (0.116 R)
• M66: 35,619,702 km (0.064 R)
• M67: 35,883,892 km (0.05 R)
• M68: 36,148,680 km (0.089 R)
• M69: 36,746,772 km (0.109 R)
• M70: 37,885,511 km (0.077 R)
• M71: 38,899,934 km (0.095 R)
• M72: 40,266,361 km (0.084 R)
• M73: 40,610,287 km (0.119 R)
• M74: 41,509,520 km (0.114 R)
• M75: 41,787,472 km (0.115 R)
• M76: 42,135,736 km (0.116 R)
• M77: 42,695,083 km (0.07 R)
• M78: 42,905,567 km (0.034 R)
• M79: 43,045,890 km (0.098 R)
• M80: 43,609,275 km (0.119 R)
• M81: 44,672,168 km (0.106 R)
• M82: 45,171,077 km (0.092 R)
• M83: 45,385,451 km (0.09 R)
• M84: 46,751,130 km (0.118 R)
• M85: 48,934,660 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812

Radius: 12.6

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 8.01 AU - 11.89 AU

Year: 11640 Days

Day: 6.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 60,807,956 km

• M1: 204,500 km (0.035 R)
• M2: 655,837 km (0.091 R)
• M3: 782,546 km (0.068 R)
• M4: 1,238,072 km (0.108 R)
• M5: 1,744,311 km (0.119 R)
• M6: 2,061,159 km (0.063 R)
• M7: 2,254,739 km (0.053 R)
• M8: 2,690,069 km (0.112 R)
• M9: 3,026,215 km (0.038 R)
• M10: 3,908,394 km (0.11 R)
• M11: 4,538,799 km (0.081 R)
• M12: 5,163,371 km (0.109 R)
• M13: 5,505,052 km (0.113 R)
• M14: 6,820,466 km (0.03 R)
• M15: 7,836,086 km (0.092 R)
• M16: 8,539,196 km (0.093 R)
• M17: 8,943,709 km (0.096 R)
• M18: 9,308,578 km (0.11 R)
• M19: 10,961,634 km (0.096 R)
• M20: 12,703,702 km (0.086 R)
• M21: 12,805,877 km (0.071 R)
• M22: 12,959,514 km (0.095 R)
• M23: 13,424,464 km (0.118 R)
• M24: 14,000,117 km (0.106 R)
• M25: 15,392,873 km (0.076 R)
• M26: 16,216,260 km (0.111 R)
• M27: 16,773,212 km (0.109 R)
• M28: 17,054,008 km (0.113 R)
• M29: 18,135,451 km (0.119 R)
• M30: 18,423,726 km (0.114 R)
• M31: 18,946,421 km (0.103 R)
• M32: 20,304,470 km (0.058 R)
• M33: 20,483,838 km (0.091 R)
• M34: 22,307,137 km (0.044 R)
• M35: 23,175,852 km (0.093 R)
• M36: 23,363,298 km (0.09 R)
• M37: 23,739,985 km (0.101 R)
• M38: 24,308,756 km (0.077 R)
• M39: 24,946,043 km (0.087 R)
• M40: 25,330,959 km (0.114 R)
• M41: 25,653,342 km (0.118 R)
• M42: 26,367,223 km (0.099 R)
• M43: 28,080,568 km (0.104 R)
• M44: 29,626,213 km (0.101 R)
• M45: 29,897,733 km (0.099 R)
• M46: 30,033,867 km (0.117 R)
• M47: 31,199,234 km (0.112 R)
• M48: 31,475,542 km (0.09 R)
• M49: 31,613,920 km (0.069 R)
• M50: 32,030,699 km (0.119 R)
• M51: 32,588,999 km (0.099 R)
• M52: 34,497,119 km (0.074 R)
• M53: 36,006,263 km (0.105 R)
• M54: 36,513,998 km (0.084 R)
• M55: 37,904,360 km (0.102 R)
• M56: 38,420,922 km (0.072 R)
• M57: 38,717,126 km (0.097 R)
• M58: 38,939,877 km (0.111 R)
• M59: 39,834,771 km (0.071 R)
• M60: 40,736,547 km (0.089 R)
• M61: 41,949,337 km (0.074 R)
• M62: 42,407,256 km (0.065 R)
• M63: 43,404,925 km (0.073 R)
• M64: 43,559,160 km (0.049 R)
• M65: 44,643,595 km (0.062 R)
• M66: 45,267,119 km (0.117 R)
• M67: 46,917,931 km (0.07 R)
• M68: 46,997,069 km (0.105 R)
• M69: 47,076,206 km (0.115 R)
• M70: 47,710,950 km (0.11 R)
• M71: 48,268,651 km (0.104 R)
• M72: 48,908,780 km (0.12 R)
• M73: 48,988,964 km (0.075 R)
• M74: 49,390,635 km (0.09 R)
• M75: 50,197,266 km (0.103 R)
• M76: 50,683,459 km (0.107 R)
• M77: 50,845,773 km (0.066 R)
• M78: 51,415,442 km (0.12 R)
• M79: 53,219,592 km (0.117 R)
• M80: 53,549,904 km (0.11 R)
• M81: 54,961,211 km (0.075 R)
• M82: 55,545,839 km (0.097 R)

Asteroid Belt

Center: 12.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 14.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 443.9

Radius: 3.6

Gravity: 34.25 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 13.13 AU - 16.45 AU

Year: 21094 Days

Day: 23.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 60,807,956 km

• M1: 55,950 km (0.094 R)
• M2: 195,824 km (0.101 R)
• M3: 282,590 km (0.1 R)
• M4: 610,808 km (0.051 R)
• M5: 1,616,555 km (0.086 R)
• M6: 2,072,678 km (0.1 R)
• M7: 2,397,755 km (0.102 R)
• M8: 2,600,310 km (0.098 R)
• M9: 2,914,466 km (0.033 R)
• M10: 2,950,070 km (0.066 R)
• M11: 3,351,740 km (0.089 R)
• M12: 4,655,935 km (0.064 R)
• M13: 5,164,866 km (0.1 R)
• M14: 6,984,425 km (0.096 R)
• M15: 7,467,327 km (0.066 R)
• M16: 9,135,792 km (0.039 R)
• M17: 11,080,116 km (0.056 R)
• M18: 11,191,716 km (0.045 R)
• M19: 11,416,262 km (0.081 R)
• M20: 11,528,910 km (0.06 R)
• M21: 11,585,457 km (0.094 R)
• M22: 12,213,320 km (0.12 R)
• M23: 12,735,267 km (0.105 R)
• M24: 13,146,212 km (0.077 R)
• M25: 14,648,923 km (0.074 R)
• M26: 15,701,344 km (0.034 R)
• M27: 18,735,189 km (0.08 R)
• M28: 20,694,621 km (0.119 R)
• M29: 21,107,960 km (0.063 R)
• M30: 21,663,567 km (0.099 R)
• M31: 22,223,811 km (0.096 R)
• M32: 23,430,168 km (0.056 R)
• M33: 24,949,484 km (0.106 R)
• M34: 26,425,865 km (0.116 R)
• M35: 26,575,015 km (0.112 R)
• M36: 26,949,308 km (0.109 R)
• M37: 27,854,376 km (0.117 R)
• M38: 29,539,596 km (0.071 R)
• M39: 30,238,367 km (0.094 R)
• M40: 30,550,728 km (0.046 R)
• M41: 32,207,973 km (0.066 R)
• M42: 32,367,444 km (0.04 R)
• M43: 35,691,359 km (0.117 R)
• M44: 37,519,146 km (0.084 R)
• M45: 39,974,645 km (0.037 R)
• M46: 41,005,824 km (0.08 R)
• M47: 41,438,012 km (0.099 R)
• M48: 41,784,929 km (0.085 R)
• M49: 42,918,881 km (0.083 R)
• M50: 43,621,692 km (0.092 R)
• M51: 44,151,418 km (0.108 R)
• M52: 44,594,377 km (0.032 R)
• M53: 45,127,843 km (0.061 R)
• M54: 45,395,474 km (0.099 R)
• M55: 47,011,729 km (0.116 R)
• M56: 48,099,755 km (0.066 R)
• M57: 48,921,196 km (0.071 R)
• M58: 49,379,564 km (0.095 R)
• M59: 49,931,431 km (0.107 R)
• M60: 50,208,187 km (0.108 R)
• M61: 51,227,248 km (0.08 R)
• M62: 52,627,783 km (0.069 R)
• M63: 53,474,058 km (0.026 R)
• M64: 54,040,735 km (0.082 R)
• M65: 55,370,809 km (0.101 R)
• M66: 56,039,961 km (0.096 R)
• M67: 57,482,683 km (0.07 R)
• M68: 61,784,519 km (0.049 R)
• M69: 62,379,171 km (0.081 R)
• M70: 67,000,249 km (0.038 R)
• M71: 67,305,428 km (0.055 R)
• M72: 67,917,284 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.4

Radius: 7

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 11.98 AU - 17.82 AU

Year: 21330 Days

Day: 23.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 60,807,956 km

• M1: 122,670 km (0.089 R)
• M2: 285,134 km (0.108 R)
• M3: 628,461 km (0.105 R)
• M4: 1,024,446 km (0.116 R)
• M5: 1,235,828 km (0.092 R)
• M6: 1,409,810 km (0.027 R)
• M7: 2,302,311 km (0.119 R)
• M8: 2,835,179 km (0.081 R)
• M9: 3,032,199 km (0.054 R)
• M10: 3,474,411 km (0.109 R)
• M11: 3,544,273 km (0.111 R)
• M12: 3,756,702 km (0.091 R)
• M13: 3,936,818 km (0.115 R)
• M14: 4,268,326 km (0.078 R)
• M15: 4,762,897 km (0.082 R)
• M16: 4,840,538 km (0.03 R)
• M17: 5,036,661 km (0.096 R)
• M18: 5,640,737 km (0.1 R)
• M19: 6,225,067 km (0.119 R)
• M20: 6,352,823 km (0.101 R)
• M21: 6,741,179 km (0.1 R)
• M22: 7,360,664 km (0.095 R)
• M23: 7,586,258 km (0.041 R)
• M24: 7,952,024 km (0.115 R)
• M25: 8,044,326 km (0.086 R)
• M26: 8,276,801 km (0.057 R)
• M27: 9,083,583 km (0.109 R)
• M28: 9,423,020 km (0.039 R)
• M29: 9,569,776 km (0.094 R)
• M30: 11,702,742 km (0.084 R)
• M31: 11,807,910 km (0.104 R)
• M32: 11,913,376 km (0.107 R)
• M33: 12,876,188 km (0.084 R)
• M34: 13,093,554 km (0.081 R)
• M35: 13,202,760 km (0.066 R)
• M36: 13,312,266 km (0.042 R)
• M37: 13,642,428 km (0.117 R)
• M38: 13,919,633 km (0.056 R)
• M39: 14,648,923 km (0.072 R)
• M40: 14,932,859 km (0.1 R)
• M41: 15,218,591 km (0.066 R)
• M42: 15,333,333 km (0.084 R)
• M43: 16,261,887 km (0.1 R)
• M44: 17,990,790 km (0.078 R)
• M45: 18,846,190 km (0.109 R)
• M46: 19,278,827 km (0.111 R)
• M47: 20,153,975 km (0.098 R)
• M48: 21,298,099 km (0.106 R)
• M49: 22,137,343 km (0.112 R)
• M50: 22,463,018 km (0.076 R)
• M51: 23,251,249 km (0.091 R)
• M52: 24,719,552 km (0.085 R)
• M53: 25,396,931 km (0.109 R)
• M54: 26,217,775 km (0.095 R)
• M55: 27,116,708 km (0.056 R)
• M56: 28,166,586 km (0.092 R)
• M57: 28,661,007 km (0.119 R)
• M58: 29,372,495 km (0.101 R)
• M59: 34,662,874 km (0.077 R)
• M60: 35,649,023 km (0.111 R)
• M61: 36,107,241 km (0.087 R)
• M62: 37,029,363 km (0.104 R)
• M63: 37,338,581 km (0.045 R)
• M64: 37,881,622 km (0.062 R)
• M65: 38,349,265 km (0.063 R)
• M66: 39,132,709 km (0.065 R)
• M67: 39,684,276 km (0.115 R)
• M68: 40,159,100 km (0.065 R)
• M69: 40,635,868 km (0.097 R)
• M70: 41,594,940 km (0.118 R)
• M71: 42,077,243 km (0.114 R)
• M72: 45,009,960 km (0.111 R)
• M73: 46,168,147 km (0.087 R)
• M74: 46,667,505 km (0.082 R)
• M75: 46,834,456 km (0.109 R)
• M76: 47,839,753 km (0.114 R)
• M77: 48,936,755 km (0.058 R)
• M78: 50,212,974 km (0.069 R)
• M79: 50,383,964 km (0.106 R)
• M80: 51,499,965 km (0.081 R)
• M81: 51,758,769 km (0.089 R)
• M82: 51,845,087 km (0.074 R)
• M83: 52,190,957 km (0.095 R)
• M84: 53,756,499 km (0.106 R)
• M85: 54,106,558 km (0.035 R)
• M86: 56,400,043 km (0.093 R)
• M87: 56,755,787 km (0.086 R)
• M88: 58,006,425 km (0.092 R)
• M89: 58,096,183 km (0.105 R)
• M90: 58,185,793 km (0.104 R)
• M91: 59,718,273 km (0.07 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 16,522 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit