🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.49 AU - 0.67 AU

Year: 161 Days

Day: 22.7 Hours

Environment

Temp: 196 °C

Axial Tilt: 4.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.49

Radius: 1.17

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.7 AU - 0.74 AU

Year: 223 Days

Day: 14.3 Hours

Environment

Temp: 112 °C

Axial Tilt: 34.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.47 AU - 2.31 AU

Year: 949 Days

Day: 33.6 Hours

Environment

Temp: -69 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.89

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.9 AU - 2.3 AU

Year: 1112 Days

Day: 12.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 36.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.2

Radius: 0.53

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.22 AU - 2.66 AU

Year: 1392 Days

Day: 16.4 Hours

Environment

Temp: -93 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 8.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.6

Radius: 12.9

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.66 AU - 9.28 AU

Year: 9004 Days

Day: 5 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 52,558,577 km

• M1: 184,454 km (0.091 R)
• M2: 395,537 km (0.081 R)
• M3: 513,869 km (0.051 R)
• M4: 605,871 km (0.098 R)
• M5: 953,836 km (0.062 R)
• M6: 1,072,318 km (0.047 R)
• M7: 1,287,738 km (0.113 R)
• M8: 1,803,851 km (0.061 R)
• M9: 1,931,907 km (0.032 R)
• M10: 2,085,245 km (0.104 R)
• M11: 2,357,812 km (0.062 R)
• M12: 2,715,052 km (0.05 R)
• M13: 2,862,854 km (0.084 R)
• M14: 3,751,017 km (0.057 R)
• M15: 4,282,837 km (0.037 R)
• M16: 4,690,043 km (0.101 R)
• M17: 4,928,502 km (0.047 R)
• M18: 5,079,446 km (0.098 R)
• M19: 5,355,305 km (0.088 R)
• M20: 6,212,201 km (0.073 R)
• M21: 6,441,385 km (0.065 R)
• M22: 7,524,474 km (0.071 R)
• M23: 7,804,072 km (0.085 R)
• M24: 8,883,122 km (0.088 R)
• M25: 9,178,727 km (0.035 R)
• M26: 9,365,126 km (0.091 R)
• M27: 9,515,322 km (0.052 R)
• M28: 9,779,811 km (0.068 R)
• M29: 10,085,140 km (0.102 R)
• M30: 10,277,673 km (0.08 R)
• M31: 11,458,000 km (0.11 R)
• M32: 11,618,519 km (0.079 R)
• M33: 12,556,796 km (0.044 R)
• M34: 12,888,754 km (0.106 R)
• M35: 14,116,653 km (0.098 R)
• M36: 14,853,722 km (0.071 R)
• M37: 14,941,237 km (0.028 R)
• M38: 15,293,241 km (0.063 R)
• M39: 16,050,056 km (0.098 R)
• M40: 16,773,661 km (0.056 R)
• M41: 16,956,171 km (0.058 R)
• M42: 17,047,725 km (0.108 R)
• M43: 17,323,284 km (0.114 R)
• M44: 19,245,766 km (0.043 R)
• M45: 19,917,610 km (0.106 R)
• M46: 20,499,695 km (0.114 R)
• M47: 20,841,826 km (0.104 R)
• M48: 21,087,316 km (0.074 R)
• M49: 21,581,288 km (0.11 R)
• M50: 21,879,437 km (0.088 R)
• M51: 22,029,034 km (0.067 R)
• M52: 22,279,162 km (0.049 R)
• M53: 22,984,516 km (0.088 R)
• M54: 24,056,235 km (0.06 R)
• M55: 24,417,215 km (0.041 R)
• M56: 25,878,636 km (0.091 R)
• M57: 26,036,911 km (0.039 R)
• M58: 26,566,787 km (0.116 R)
• M59: 27,153,659 km (0.108 R)
• M60: 27,583,304 km (0.108 R)
• M61: 27,907,034 km (0.103 R)
• M62: 28,123,502 km (0.106 R)
• M63: 28,503,630 km (0.06 R)
• M64: 28,612,687 km (0.083 R)
• M65: 28,940,306 km (0.098 R)
• M66: 30,430,152 km (0.1 R)
• M67: 30,764,653 km (0.041 R)
• M68: 30,988,301 km (0.089 R)
• M69: 31,437,245 km (0.101 R)
• M70: 32,512,105 km (0.039 R)
• M71: 32,682,946 km (0.112 R)
• M72: 32,796,940 km (0.12 R)
• M73: 32,911,083 km (0.119 R)
• M74: 33,599,083 km (0.028 R)
• M75: 34,697,880 km (0.068 R)
• M76: 34,814,267 km (0.086 R)
• M77: 34,988,997 km (0.11 R)
• M78: 35,808,494 km (0.049 R)
• M79: 36,693,515 km (0.111 R)
• M80: 37,108,949 km (0.102 R)
• M81: 38,244,546 km (0.042 R)
• M82: 38,545,238 km (0.052 R)
• M83: 39,634,460 km (0.103 R)
• M84: 41,102,464 km (0.063 R)
• M85: 41,225,583 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.1

Radius: 13.7

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.73 AU - 9.65 AU

Year: 9357 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (51)

Outer Limit: 52,558,577 km

• M1: 221,255 km (0.112 R)
• M2: 343,776 km (0.081 R)
• M3: 452,234 km (0.085 R)
• M4: 738,415 km (0.079 R)
• M5: 867,967 km (0.106 R)
• M6: 1,392,607 km (0.097 R)
• M7: 1,526,945 km (0.117 R)
• M8: 1,650,364 km (0.043 R)
• M9: 1,825,543 km (0.064 R)
• M10: 2,300,067 km (0.101 R)
• M11: 3,301,027 km (0.082 R)
• M12: 3,544,871 km (0.038 R)
• M13: 3,689,981 km (0.085 R)
• M14: 3,794,849 km (0.106 R)
• M15: 3,986,035 km (0.074 R)
• M16: 4,072,204 km (0.102 R)
• M17: 5,013,473 km (0.05 R)
• M18: 5,365,776 km (0.081 R)
• M19: 5,581,048 km (0.059 R)
• M20: 5,872,614 km (0.065 R)
• M21: 5,970,900 km (0.095 R)
• M22: 7,325,209 km (0.106 R)
• M23: 8,519,150 km (0.112 R)
• M24: 8,686,700 km (0.095 R)
• M25: 9,224,504 km (0.119 R)
• M26: 9,656,842 km (0.091 R)
• M27: 9,773,229 km (0.089 R)
• M28: 10,332,426 km (0.094 R)
• M29: 10,841,806 km (0.119 R)
• M30: 11,947,335 km (0.108 R)
• M31: 12,260,742 km (0.112 R)
• M32: 13,088,617 km (0.06 R)
• M33: 13,249,883 km (0.097 R)
• M34: 15,236,394 km (0.044 R)
• M35: 15,372,079 km (0.11 R)
• M36: 15,884,601 km (0.082 R)
• M37: 16,194,867 km (0.113 R)
• M38: 16,437,664 km (0.094 R)
• M39: 16,576,790 km (0.067 R)
• M40: 18,134,254 km (0.117 R)
• M41: 18,748,503 km (0.08 R)
• M42: 20,332,445 km (0.057 R)
• M43: 21,197,270 km (0.1 R)
• M44: 21,577,099 km (0.08 R)
• M45: 21,767,837 km (0.064 R)
• M46: 22,035,766 km (0.049 R)
• M47: 22,381,936 km (0.111 R)
• M48: 22,613,663 km (0.06 R)
• M49: 22,768,646 km (0.06 R)
• M50: 24,815,145 km (0.066 R)
• M51: 25,055,100 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.6

Radius: 13.2

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.66 AU - 9.1 AU

Year: 9665 Days

Day: 11.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 52,558,577 km

• M1: 188,643 km (0.095 R)
• M2: 291,117 km (0.054 R)
• M3: 493,823 km (0.111 R)
• M4: 752,178 km (0.085 R)
• M5: 1,490,444 km (0.12 R)
• M6: 1,584,092 km (0.113 R)
• M7: 1,679,834 km (0.085 R)
• M8: 1,902,586 km (0.09 R)
• M9: 2,109,031 km (0.096 R)
• M10: 2,215,096 km (0.113 R)
• M11: 3,817,887 km (0.092 R)
• M12: 4,080,432 km (0.078 R)
• M13: 5,851,970 km (0.119 R)
• M14: 6,463,825 km (0.109 R)
• M15: 7,789,711 km (0.118 R)
• M16: 8,081,726 km (0.115 R)
• M17: 8,419,817 km (0.053 R)
• M18: 9,109,912 km (0.098 R)
• M19: 9,373,503 km (0.083 R)
• M20: 10,088,581 km (0.102 R)
• M21: 10,498,479 km (0.096 R)
• M22: 10,636,409 km (0.115 R)
• M23: 10,960,587 km (0.103 R)
• M24: 11,523,823 km (0.104 R)
• M25: 12,048,313 km (0.111 R)
• M26: 12,337,785 km (0.091 R)
• M27: 12,825,474 km (0.061 R)
• M28: 12,972,978 km (0.088 R)
• M29: 13,120,930 km (0.091 R)
• M30: 13,518,561 km (0.119 R)
• M31: 14,478,980 km (0.102 R)
• M32: 14,632,617 km (0.077 R)
• M33: 14,838,314 km (0.076 R)
• M34: 14,993,147 km (0.115 R)
• M35: 15,670,676 km (0.086 R)
• M36: 15,881,160 km (0.101 R)
• M37: 18,702,127 km (0.108 R)
• M38: 19,037,376 km (0.088 R)
• M39: 19,318,471 km (0.087 R)
• M40: 19,714,157 km (0.078 R)
• M41: 21,849,966 km (0.037 R)
• M42: 22,203,166 km (0.037 R)
• M43: 23,394,265 km (0.11 R)
• M44: 23,634,968 km (0.105 R)
• M45: 23,876,568 km (0.108 R)
• M46: 24,973,719 km (0.084 R)
• M47: 27,216,939 km (0.098 R)
• M48: 28,042,869 km (0.072 R)
• M49: 29,654,038 km (0.104 R)
• M50: 29,784,188 km (0.087 R)
• M51: 31,229,004 km (0.092 R)
• M52: 31,693,506 km (0.112 R)
• M53: 32,361,011 km (0.101 R)
• M54: 32,965,686 km (0.037 R)
• M55: 33,370,947 km (0.098 R)
• M56: 33,506,333 km (0.111 R)
• M57: 33,981,904 km (0.06 R)
• M58: 34,528,086 km (0.109 R)
• M59: 35,214,890 km (0.079 R)
• M60: 36,323,111 km (0.118 R)
• M61: 37,232,068 km (0.094 R)
• M62: 37,936,225 km (0.117 R)
• M63: 38,219,264 km (0.053 R)
• M64: 39,501,168 km (0.117 R)
• M65: 40,075,325 km (0.102 R)
• M66: 40,219,388 km (0.086 R)
• M67: 40,435,706 km (0.074 R)
• M68: 41,741,695 km (0.056 R)
• M69: 41,960,707 km (0.077 R)
• M70: 43,209,101 km (0.093 R)
• M71: 44,320,763 km (0.114 R)
• M72: 45,742,242 km (0.088 R)
• M73: 45,892,737 km (0.113 R)
• M74: 46,345,271 km (0.112 R)
• M75: 46,799,151 km (0.091 R)
• M76: 47,178,680 km (0.1 R)
• M77: 48,937,353 km (0.11 R)
• M78: 49,476,803 km (0.036 R)
• M79: 49,708,680 km (0.1 R)
• M80: 50,095,839 km (0.079 R)
• M81: 50,250,972 km (0.083 R)
• M82: 51,811,128 km (0.088 R)
• M83: 52,125,134 km (0.068 R)
• M84: 52,282,361 km (0.08 R)
• M85: 52,597,265 km (0.03 R)

Planet 9 - Gas Giant

Semi-Major Axis: 10.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.6

Radius: 12.4

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 9.72 AU - 11.64 AU

Year: 12748 Days

Day: 9.6 Hours

Environment

Temp: -174 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 52,558,577 km

• M1: 170,691 km (0.084 R)
• M2: 276,457 km (0.094 R)
• M3: 500,106 km (0.072 R)
• M4: 676,332 km (0.088 R)
• M5: 892,650 km (0.109 R)
• M6: 1,056,311 km (0.082 R)
• M7: 1,151,904 km (0.115 R)
• M8: 1,675,347 km (0.112 R)
• M9: 1,834,668 km (0.081 R)
• M10: 1,999,076 km (0.026 R)
• M11: 2,119,652 km (0.101 R)
• M12: 2,548,101 km (0.067 R)
• M13: 2,839,966 km (0.075 R)
• M14: 2,976,250 km (0.095 R)
• M15: 3,456,309 km (0.09 R)
• M16: 3,572,846 km (0.112 R)
• M17: 3,690,729 km (0.073 R)
• M18: 3,839,878 km (0.034 R)
• M19: 4,175,277 km (0.075 R)
• M20: 5,238,020 km (0.051 R)
• M21: 5,338,699 km (0.085 R)
• M22: 5,782,406 km (0.118 R)
• M23: 5,956,389 km (0.071 R)
• M24: 6,669,223 km (0.099 R)
• M25: 6,851,732 km (0.1 R)
• M26: 6,998,936 km (0.104 R)
• M27: 7,446,832 km (0.089 R)
• M28: 7,788,963 km (0.092 R)
• M29: 8,607,263 km (0.101 R)
• M30: 9,006,540 km (0.1 R)
• M31: 9,087,173 km (0.096 R)
• M32: 10,963,579 km (0.093 R)
• M33: 11,571,246 km (0.112 R)
• M34: 12,593,298 km (0.109 R)
• M35: 15,200,640 km (0.087 R)
• M36: 15,489,663 km (0.092 R)
• M37: 17,613,952 km (0.046 R)
• M38: 17,715,081 km (0.027 R)
• M39: 18,325,141 km (0.08 R)
• M40: 18,890,621 km (0.037 R)
• M41: 19,305,456 km (0.082 R)
• M42: 19,828,151 km (0.101 R)
• M43: 20,144,101 km (0.107 R)
• M44: 20,941,159 km (0.119 R)
• M45: 21,532,220 km (0.045 R)
• M46: 21,640,230 km (0.101 R)
• M47: 21,911,301 km (0.101 R)
• M48: 22,183,270 km (0.06 R)
• M49: 22,620,993 km (0.103 R)
• M50: 22,895,954 km (0.119 R)
• M51: 23,560,468 km (0.076 R)
• M52: 23,839,169 km (0.08 R)
• M53: 24,569,057 km (0.088 R)
• M54: 24,908,494 km (0.107 R)
• M55: 26,281,354 km (0.119 R)
• M56: 26,918,790 km (0.039 R)
• M57: 27,914,065 km (0.116 R)
• M58: 28,090,890 km (0.112 R)
• M59: 28,386,495 km (0.089 R)
• M60: 28,802,228 km (0.054 R)
• M61: 30,666,816 km (0.096 R)
• M62: 30,788,588 km (0.105 R)
• M63: 31,644,587 km (0.098 R)
• M64: 32,322,565 km (0.086 R)
• M65: 34,133,148 km (0.106 R)
• M66: 34,259,259 km (0.076 R)
• M67: 34,511,930 km (0.093 R)
• M68: 35,082,645 km (0.116 R)
• M69: 36,104,848 km (0.097 R)
• M70: 36,619,614 km (0.119 R)
• M71: 37,072,148 km (0.118 R)
• M72: 37,591,402 km (0.074 R)
• M73: 38,966,206 km (0.089 R)
• M74: 39,958,339 km (0.119 R)
• M75: 40,091,182 km (0.045 R)
• M76: 40,557,479 km (0.074 R)
• M77: 40,691,070 km (0.072 R)
• M78: 40,824,810 km (0.048 R)
• M79: 41,495,457 km (0.116 R)
• M80: 42,237,612 km (0.082 R)
• M81: 42,847,972 km (0.071 R)
• M82: 44,146,182 km (0.09 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 282.6

Radius: 3.8

Gravity: 19.57 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 12.28 AU - 14.48 AU

Year: 17876 Days

Day: 21 Hours

Environment

Temp: -185 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 52,558,577 km

• M1: 55,950 km (0.054 R)
• M2: 652,097 km (0.045 R)
• M3: 706,252 km (0.098 R)
• M4: 799,750 km (0.12 R)
• M5: 857,944 km (0.114 R)
• M6: 1,104,331 km (0.043 R)
• M7: 1,169,257 km (0.11 R)
• M8: 1,910,963 km (0.075 R)
• M9: 1,989,203 km (0.067 R)
• M10: 2,916,710 km (0.109 R)
• M11: 3,067,504 km (0.093 R)
• M12: 3,189,875 km (0.061 R)
• M13: 3,220,693 km (0.061 R)
• M14: 3,727,979 km (0.118 R)
• M15: 4,396,233 km (0.109 R)
• M16: 5,539,908 km (0.119 R)
• M17: 6,029,393 km (0.067 R)
• M18: 6,067,540 km (0.079 R)
• M19: 6,769,304 km (0.096 R)
• M20: 7,049,052 km (0.085 R)
• M21: 7,496,349 km (0.058 R)
• M22: 7,578,778 km (0.119 R)
• M23: 8,163,257 km (0.089 R)
• M24: 8,375,536 km (0.047 R)
• M25: 8,718,863 km (0.09 R)
• M26: 8,762,246 km (0.084 R)
• M27: 9,110,810 km (0.046 R)
• M28: 9,242,605 km (0.086 R)
• M29: 9,419,430 km (0.091 R)
• M30: 9,686,761 km (0.1 R)
• M31: 10,092,471 km (0.099 R)
• M32: 10,274,531 km (0.04 R)
• M33: 10,595,868 km (0.115 R)
• M34: 10,780,920 km (0.029 R)
• M35: 11,201,141 km (0.09 R)
• M36: 11,626,896 km (0.03 R)
• M37: 11,769,912 km (0.075 R)
• M38: 11,817,633 km (0.066 R)
• M39: 11,961,547 km (0.031 R)
• M40: 13,431,495 km (0.091 R)
• M41: 13,531,427 km (0.091 R)
• M42: 13,782,601 km (0.116 R)
• M43: 15,060,915 km (0.1 R)
• M44: 15,687,880 km (0.109 R)
• M45: 15,898,813 km (0.118 R)
• M46: 16,163,751 km (0.076 R)
• M47: 16,590,703 km (0.08 R)
• M48: 17,129,555 km (0.05 R)
• M49: 17,564,735 km (0.113 R)
• M50: 17,728,844 km (0.102 R)
• M51: 17,893,551 km (0.056 R)
• M52: 18,003,505 km (0.049 R)
• M53: 18,501,517 km (0.119 R)
• M54: 19,228,862 km (0.088 R)
• M55: 20,308,509 km (0.054 R)
• M56: 21,466,098 km (0.089 R)
• M57: 22,526,148 km (0.042 R)
• M58: 23,663,391 km (0.09 R)
• M59: 23,784,266 km (0.08 R)
• M60: 24,696,813 km (0.036 R)
• M61: 24,819,334 km (0.069 R)
• M62: 25,188,093 km (0.04 R)
• M63: 26,242,907 km (0.083 R)
• M64: 26,305,439 km (0.074 R)
• M65: 26,870,022 km (0.119 R)
• M66: 28,011,304 km (0.081 R)
• M67: 28,267,116 km (0.1 R)
• M68: 28,331,144 km (0.1 R)
• M69: 28,588,003 km (0.06 R)
• M70: 31,329,833 km (0.081 R)
• M71: 31,396,105 km (0.084 R)
• M72: 32,597,526 km (0.073 R)
• M73: 35,458,585 km (0.1 R)
• M74: 35,735,191 km (0.09 R)
• M75: 36,430,073 km (0.055 R)
• M76: 37,339,778 km (0.037 R)
• M77: 41,489,174 km (0.109 R)
• M78: 43,322,197 km (0.088 R)
• M79: 44,509,106 km (0.073 R)
• M80: 44,732,905 km (0.089 R)
• M81: 45,181,399 km (0.089 R)
• M82: 46,233,970 km (0.066 R)
• M83: 46,763,247 km (0.078 R)
• M84: 48,133,414 km (0.104 R)
• M85: 48,210,008 km (0.073 R)
• M86: 49,671,280 km (0.103 R)
• M87: 51,069,123 km (0.096 R)
• M88: 51,459,723 km (0.095 R)
• M89: 51,694,591 km (0.093 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 437 - 18,159 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit