🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.56 AU - 0.9 AU

Year: 226 Days

Day: 12.1 Hours

Environment

Temp: 144 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.62 AU - 2.34 AU

Year: 1008 Days

Day: 35.4 Hours

Environment

Temp: -71 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 1.84 AU - 2.88 AU

Year: 1311 Days

Day: 26.5 Hours

Environment

Temp: -86 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,191,913 km

• M1: 498,460 km (0.117 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.55

Radius: 0.79

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 2.89 AU - 3.63 AU

Year: 2129 Days

Day: 32.5 Hours

Environment

Temp: -102 °C

Axial Tilt: 2.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.19

Radius: 1.37

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.78 AU - 4.22 AU

Year: 2368 Days

Day: 34.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 12.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,191,913 km

• M1: 2,033,334 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.4

Radius: 11.3

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.91 AU - 8.29 AU

Year: 8337 Days

Day: 7.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 35,191,913 km

• M1: 144,512 km (0.115 R)
• M2: 277,055 km (0.086 R)
• M3: 540,497 km (0.115 R)
• M4: 687,851 km (0.119 R)
• M5: 833,111 km (0.082 R)
• M6: 1,495,680 km (0.071 R)
• M7: 1,912,758 km (0.073 R)
• M8: 2,052,034 km (0.068 R)
• M9: 2,170,815 km (0.109 R)
• M10: 2,316,373 km (0.04 R)
• M11: 2,798,827 km (0.11 R)
• M12: 2,931,071 km (0.079 R)
• M13: 3,147,090 km (0.047 R)
• M14: 3,480,993 km (0.075 R)
• M15: 3,710,027 km (0.059 R)
• M16: 4,182,906 km (0.113 R)
• M17: 4,801,044 km (0.077 R)
• M18: 5,815,318 km (0.087 R)
• M19: 6,019,220 km (0.107 R)
• M20: 6,225,366 km (0.118 R)
• M21: 6,539,222 km (0.108 R)
• M22: 7,109,938 km (0.118 R)
• M23: 7,438,006 km (0.116 R)
• M24: 7,958,158 km (0.104 R)
• M25: 8,146,950 km (0.119 R)
• M26: 8,567,171 km (0.069 R)
• M27: 9,191,293 km (0.113 R)
• M28: 9,628,867 km (0.115 R)
• M29: 9,709,201 km (0.083 R)
• M30: 10,195,693 km (0.099 R)
• M31: 10,483,071 km (0.115 R)
• M32: 10,856,617 km (0.076 R)
• M33: 11,024,166 km (0.111 R)
• M34: 11,616,873 km (0.083 R)
• M35: 11,874,181 km (0.119 R)
• M36: 12,176,668 km (0.093 R)
• M37: 12,481,698 km (0.085 R)
• M38: 12,657,177 km (0.119 R)
• M39: 12,966,246 km (0.068 R)
• M40: 13,727,101 km (0.06 R)
• M41: 14,090,324 km (0.071 R)
• M42: 14,227,206 km (0.096 R)
• M43: 14,318,760 km (0.111 R)
• M44: 14,965,322 km (0.037 R)
• M45: 15,151,871 km (0.094 R)
• M46: 15,292,194 km (0.068 R)
• M47: 16,671,187 km (0.095 R)
• M48: 18,189,007 km (0.073 R)
• M49: 18,537,869 km (0.087 R)
• M50: 18,688,065 km (0.075 R)
• M51: 18,788,445 km (0.108 R)
• M52: 20,160,557 km (0.036 R)
• M53: 20,728,879 km (0.088 R)
• M54: 22,893,261 km (0.07 R)
• M55: 24,576,836 km (0.096 R)
• M56: 25,907,509 km (0.116 R)
• M57: 26,468,950 km (0.067 R)
• M58: 26,694,543 km (0.07 R)
• M59: 28,004,572 km (0.101 R)
• M60: 28,407,439 km (0.095 R)
• M61: 28,986,233 km (0.05 R)
• M62: 29,803,187 km (0.109 R)
• M63: 30,096,698 km (0.097 R)
• M64: 30,273,373 km (0.09 R)
• M65: 30,568,530 km (0.095 R)
• M66: 30,983,215 km (0.116 R)
• M67: 31,459,684 km (0.063 R)
• M68: 32,058,375 km (0.114 R)
• M69: 32,178,652 km (0.088 R)
• M70: 32,299,078 km (0.09 R)
• M71: 33,572,006 km (0.084 R)
• M72: 34,122,526 km (0.115 R)
• M73: 34,429,651 km (0.075 R)
• M74: 37,868,457 km (0.082 R)
• M75: 38,186,502 km (0.119 R)
• M76: 39,210,200 km (0.105 R)
• M77: 39,983,771 km (0.052 R)
• M78: 40,762,428 km (0.11 R)
• M79: 40,892,728 km (0.074 R)
• M80: 42,466,796 km (0.066 R)
• M81: 43,460,575 km (0.032 R)
• M82: 44,127,333 km (0.06 R)
• M83: 44,596,172 km (0.032 R)
• M84: 44,999,189 km (0.039 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.4

Radius: 10.7

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 8.25 AU - 9.79 AU

Year: 9797 Days

Day: 8.2 Hours

Environment

Temp: -165 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 35,191,913 km

• M1: 134,638 km (0.083 R)
• M2: 216,767 km (0.089 R)
• M3: 464,202 km (0.073 R)
• M4: 951,742 km (0.108 R)
• M5: 1,151,006 km (0.105 R)
• M6: 1,521,111 km (0.076 R)
• M7: 1,804,599 km (0.111 R)
• M8: 1,952,701 km (0.107 R)
• M9: 2,261,321 km (0.066 R)
• M10: 2,585,650 km (0.077 R)
• M11: 2,725,224 km (0.101 R)
• M12: 3,834,792 km (0.098 R)
• M13: 3,930,385 km (0.117 R)
• M14: 5,068,825 km (0.048 R)
• M15: 5,279,758 km (0.116 R)
• M16: 5,601,692 km (0.113 R)
• M17: 6,152,661 km (0.095 R)
• M18: 6,491,500 km (0.111 R)
• M19: 6,605,943 km (0.077 R)
• M20: 7,385,348 km (0.1 R)
• M21: 8,400,070 km (0.071 R)
• M22: 9,030,027 km (0.046 R)
• M23: 10,201,827 km (0.053 R)
• M24: 11,329,196 km (0.081 R)
• M25: 13,945,364 km (0.036 R)
• M26: 14,440,533 km (0.101 R)
• M27: 14,690,212 km (0.052 R)
• M28: 15,346,049 km (0.071 R)
• M29: 15,908,537 km (0.073 R)
• M30: 16,166,443 km (0.057 R)
• M31: 16,269,965 km (0.104 R)
• M32: 17,001,050 km (0.063 R)
• M33: 18,549,238 km (0.107 R)
• M34: 19,038,872 km (0.085 R)
• M35: 19,587,896 km (0.116 R)
• M36: 19,864,353 km (0.12 R)
• M37: 20,309,407 km (0.112 R)
• M38: 21,039,744 km (0.066 R)
• M39: 21,550,321 km (0.098 R)
• M40: 22,410,359 km (0.079 R)
• M41: 23,809,698 km (0.09 R)
• M42: 23,927,581 km (0.069 R)
• M43: 24,282,427 km (0.085 R)
• M44: 24,460,598 km (0.091 R)
• M45: 25,237,310 km (0.118 R)
• M46: 26,692,299 km (0.11 R)
• M47: 26,876,155 km (0.112 R)
• M48: 27,863,501 km (0.067 R)
• M49: 28,049,900 km (0.081 R)
• M50: 28,549,258 km (0.08 R)
• M51: 28,674,471 km (0.103 R)
• M52: 28,799,984 km (0.081 R)
• M53: 29,240,549 km (0.087 R)
• M54: 29,366,810 km (0.111 R)
• M55: 29,493,220 km (0.12 R)
• M56: 30,511,383 km (0.066 R)
• M57: 32,125,395 km (0.11 R)
• M58: 32,516,892 km (0.116 R)
• M59: 33,107,056 km (0.116 R)
• M60: 34,431,147 km (0.068 R)
• M61: 34,698,179 km (0.085 R)
• M62: 34,764,900 km (0.11 R)
• M63: 34,831,770 km (0.086 R)
• M64: 35,166,869 km (0.063 R)
• M65: 35,570,335 km (0.119 R)
• M66: 35,907,678 km (0.07 R)
• M67: 36,110,682 km (0.108 R)
• M68: 36,381,903 km (0.108 R)
• M69: 36,994,506 km (0.068 R)
• M70: 37,062,723 km (0.116 R)
• M71: 37,954,326 km (0.107 R)
• M72: 38,644,870 km (0.032 R)
• M73: 39,688,465 km (0.067 R)
• M74: 39,758,476 km (0.064 R)
• M75: 40,741,335 km (0.067 R)
• M76: 40,882,555 km (0.064 R)
• M77: 42,088,314 km (0.104 R)
• M78: 42,516,612 km (0.076 R)
• M79: 45,116,923 km (0.07 R)
• M80: 45,482,241 km (0.113 R)
• M81: 47,991,745 km (0.118 R)
• M82: 48,066,245 km (0.092 R)
• M83: 49,038,032 km (0.04 R)
• M84: 49,940,856 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.4

Radius: 13.9

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 8.32 AU - 10.12 AU

Year: 10125 Days

Day: 14.9 Hours

Environment

Temp: -168 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 35,191,913 km

• M1: 174,132 km (0.086 R)
• M2: 289,173 km (0.064 R)
• M3: 465,549 km (0.082 R)
• M4: 807,829 km (0.07 R)
• M5: 934,538 km (0.116 R)
• M6: 1,632,562 km (0.072 R)
• M7: 1,797,718 km (0.105 R)
• M8: 2,258,329 km (0.077 R)
• M9: 2,490,805 km (0.088 R)
• M10: 3,183,592 km (0.107 R)
• M11: 3,287,413 km (0.116 R)
• M12: 3,418,760 km (0.082 R)
• M13: 3,934,424 km (0.055 R)
• M14: 4,445,600 km (0.117 R)
• M15: 4,738,812 km (0.059 R)
• M16: 4,947,950 km (0.086 R)
• M17: 5,221,414 km (0.031 R)
• M18: 5,344,534 km (0.056 R)
• M19: 5,593,764 km (0.097 R)
• M20: 7,134,322 km (0.072 R)
• M21: 7,617,524 km (0.119 R)
• M22: 7,827,858 km (0.077 R)
• M23: 8,111,346 km (0.078 R)
• M24: 8,798,300 km (0.119 R)
• M25: 8,945,354 km (0.083 R)
• M26: 9,241,857 km (0.12 R)
• M27: 10,382,541 km (0.032 R)
• M28: 10,772,692 km (0.112 R)
• M29: 10,890,725 km (0.089 R)
• M30: 11,127,987 km (0.117 R)
• M31: 11,287,159 km (0.091 R)
• M32: 11,890,787 km (0.083 R)
• M33: 12,878,432 km (0.071 R)
• M34: 13,003,645 km (0.087 R)
• M35: 13,508,987 km (0.089 R)
• M36: 13,721,416 km (0.116 R)
• M37: 14,582,501 km (0.047 R)
• M38: 14,800,465 km (0.119 R)
• M39: 15,549,801 km (0.088 R)
• M40: 16,856,389 km (0.087 R)
• M41: 16,993,570 km (0.119 R)
• M42: 17,131,200 km (0.059 R)
• M43: 17,592,410 km (0.094 R)
• M44: 18,385,878 km (0.103 R)
• M45: 18,479,975 km (0.111 R)
• M46: 18,953,003 km (0.076 R)
• M47: 19,191,013 km (0.08 R)
• M48: 19,286,606 km (0.063 R)
• M49: 19,814,537 km (0.109 R)
• M50: 20,153,077 km (0.11 R)
• M51: 20,396,024 km (0.061 R)
• M52: 21,032,264 km (0.113 R)
• M53: 21,724,902 km (0.118 R)
• M54: 22,878,900 km (0.068 R)
• M55: 23,030,891 km (0.075 R)
• M56: 23,539,973 km (0.108 R)
• M57: 25,298,496 km (0.085 R)
• M58: 26,087,774 km (0.034 R)
• M59: 26,778,318 km (0.109 R)
• M60: 27,852,431 km (0.074 R)
• M61: 28,177,507 km (0.095 R)
• M62: 29,105,163 km (0.078 R)
• M63: 29,876,640 km (0.104 R)
• M64: 30,376,147 km (0.11 R)
• M65: 30,990,396 km (0.105 R)
• M66: 31,102,594 km (0.081 R)
• M67: 31,778,178 km (0.118 R)
• M68: 32,004,520 km (0.066 R)
• M69: 32,572,543 km (0.084 R)
• M70: 33,086,711 km (0.059 R)
• M71: 33,545,976 km (0.041 R)
• M72: 33,718,762 km (0.118 R)
• M73: 34,354,702 km (0.11 R)
• M74: 34,587,028 km (0.1 R)
• M75: 35,462,624 km (0.095 R)
• M76: 35,697,343 km (0.085 R)
• M77: 36,523,123 km (0.11 R)
• M78: 36,819,477 km (0.117 R)
• M79: 36,938,257 km (0.069 R)
• M80: 37,713,474 km (0.112 R)
• M81: 37,893,141 km (0.062 R)
• M82: 38,433,937 km (0.054 R)
• M83: 38,675,089 km (0.06 R)
• M84: 38,977,127 km (0.119 R)
• M85: 40,377,064 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 11.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.3

Radius: 13.6

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 10.78 AU - 12.5 AU

Year: 14362 Days

Day: 14.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 150.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 35,191,913 km

• M1: 221,854 km (0.078 R)
• M2: 360,830 km (0.1 R)
• M3: 664,963 km (0.119 R)
• M4: 874,848 km (0.092 R)
• M5: 1,342,192 km (0.118 R)
• M6: 1,593,068 km (0.101 R)
• M7: 1,702,424 km (0.047 R)
• M8: 1,814,323 km (0.107 R)
• M9: 1,928,765 km (0.111 R)
• M10: 2,045,751 km (0.054 R)
• M11: 2,213,749 km (0.092 R)
• M12: 2,436,650 km (0.069 R)
• M13: 2,563,808 km (0.107 R)
• M14: 3,040,278 km (0.115 R)
• M15: 3,544,572 km (0.104 R)
• M16: 3,689,383 km (0.118 R)
• M17: 3,836,288 km (0.108 R)
• M18: 4,822,287 km (0.111 R)
• M19: 5,343,786 km (0.061 R)
• M20: 5,780,911 km (0.104 R)
• M21: 5,883,535 km (0.11 R)
• M22: 6,299,866 km (0.03 R)
• M23: 6,618,509 km (0.063 R)
• M24: 7,493,806 km (0.079 R)
• M25: 7,680,953 km (0.073 R)
• M26: 8,174,327 km (0.102 R)
• M27: 8,367,009 km (0.033 R)
• M28: 9,072,812 km (0.106 R)
• M29: 9,392,652 km (0.099 R)
• M30: 10,084,692 km (0.102 R)
• M31: 10,667,076 km (0.105 R)
• M32: 10,793,337 km (0.103 R)
• M33: 11,175,111 km (0.032 R)
• M34: 11,561,223 km (0.049 R)
• M35: 12,126,703 km (0.109 R)
• M36: 13,877,147 km (0.069 R)
• M37: 14,061,153 km (0.109 R)
• M38: 15,229,512 km (0.105 R)
• M39: 16,138,319 km (0.085 R)
• M40: 17,015,411 km (0.113 R)
• M41: 17,658,533 km (0.053 R)
• M42: 17,858,096 km (0.117 R)
• M43: 18,511,540 km (0.118 R)
• M44: 18,765,108 km (0.098 R)
• M45: 18,917,698 km (0.063 R)
• M46: 19,480,934 km (0.038 R)
• M47: 21,203,404 km (0.105 R)
• M48: 22,109,817 km (0.03 R)
• M49: 23,410,870 km (0.118 R)
• M50: 23,575,278 km (0.064 R)
• M51: 23,795,037 km (0.047 R)
• M52: 24,015,545 km (0.114 R)
• M53: 24,236,650 km (0.038 R)
• M54: 24,904,156 km (0.072 R)
• M55: 26,030,030 km (0.086 R)
• M56: 26,314,116 km (0.087 R)
• M57: 28,156,563 km (0.065 R)
• M58: 28,682,250 km (0.047 R)
• M59: 29,034,404 km (0.097 R)
• M60: 30,338,299 km (0.107 R)
• M61: 30,697,184 km (0.08 R)
• M62: 31,117,703 km (0.117 R)
• M63: 31,298,567 km (0.09 R)
• M64: 31,479,730 km (0.042 R)
• M65: 32,268,710 km (0.074 R)
• M66: 32,512,853 km (0.093 R)
• M67: 32,880,116 km (0.12 R)
• M68: 35,238,227 km (0.085 R)
• M69: 35,426,721 km (0.106 R)
• M70: 35,615,663 km (0.082 R)
• M71: 36,437,703 km (0.049 R)
• M72: 36,883,056 km (0.046 R)
• M73: 37,330,054 km (0.107 R)
• M74: 40,181,240 km (0.066 R)
• M75: 40,641,254 km (0.079 R)
• M76: 41,301,429 km (0.094 R)
• M77: 43,640,092 km (0.077 R)
• M78: 43,910,117 km (0.087 R)
• M79: 45,473,414 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 19.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.7

Radius: 3.2

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 15.36 AU - 22.86 AU

Year: 30212 Days

Day: 23.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 35,191,913 km

• M1: 86,019 km (0.059 R)
• M2: 162,463 km (0.085 R)
• M3: 582,534 km (0.111 R)
• M4: 805,585 km (0.106 R)
• M5: 1,322,296 km (0.095 R)
• M6: 1,668,465 km (0.066 R)
• M7: 1,841,849 km (0.119 R)
• M8: 2,020,918 km (0.114 R)
• M9: 2,247,409 km (0.097 R)
• M10: 2,310,689 km (0.098 R)
• M11: 2,701,887 km (0.047 R)
• M12: 2,905,191 km (0.099 R)
• M13: 2,997,193 km (0.093 R)
• M14: 3,741,592 km (0.094 R)
• M15: 4,808,076 km (0.064 R)
• M16: 5,643,430 km (0.034 R)
• M17: 5,729,449 km (0.085 R)
• M18: 6,432,858 km (0.114 R)
• M19: 6,522,617 km (0.086 R)
• M20: 7,727,777 km (0.116 R)
• M21: 8,274,109 km (0.1 R)
• M22: 9,471,490 km (0.029 R)
• M23: 9,744,955 km (0.06 R)
• M24: 10,299,365 km (0.106 R)
• M25: 10,545,154 km (0.047 R)
• M26: 10,757,433 km (0.083 R)
• M27: 11,042,567 km (0.109 R)
• M28: 12,467,935 km (0.044 R)
• M29: 12,767,430 km (0.109 R)
• M30: 13,795,467 km (0.113 R)
• M31: 15,047,900 km (0.03 R)
• M32: 15,607,247 km (0.113 R)
• M33: 16,458,758 km (0.057 R)
• M34: 16,622,717 km (0.118 R)
• M35: 17,159,175 km (0.113 R)
• M36: 18,376,154 km (0.056 R)
• M37: 20,627,003 km (0.073 R)
• M38: 22,009,736 km (0.109 R)
• M39: 22,099,944 km (0.114 R)
• M40: 22,643,882 km (0.045 R)
• M41: 23,284,011 km (0.075 R)
• M42: 23,837,374 km (0.099 R)
• M43: 24,816,192 km (0.037 R)
• M44: 26,957,536 km (0.089 R)
• M45: 28,515,897 km (0.098 R)
• M46: 29,107,856 km (0.051 R)
• M47: 30,554,767 km (0.097 R)
• M48: 31,160,339 km (0.094 R)
• M49: 31,464,621 km (0.056 R)
• M50: 31,566,348 km (0.104 R)
• M51: 31,769,950 km (0.114 R)
• M52: 33,259,197 km (0.083 R)
• M53: 33,621,972 km (0.067 R)
• M54: 33,673,882 km (0.099 R)
• M55: 34,770,883 km (0.091 R)

Kuiper Belt

Range: 30.3 - 49.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 454 - 17,535 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit