🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.58 AU - 0.6 AU

Year: 205 Days

Day: 30.8 Hours

Environment

Temp: -3 °C

Axial Tilt: 16.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.53 AU - 0.67 AU

Year: 211 Days

Day: 28.3 Hours

Environment

Temp: 2 °C

Axial Tilt: 33.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 24,956,928 km

• M1: 305,928 km (0.058 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.46 AU - 0.74 AU

Year: 211 Days

Day: 27 Hours

Environment

Temp: -9 °C

Axial Tilt: 17.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.69 AU - 0.91 AU

Year: 324 Days

Day: 32.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 24,956,928 km

• M1: 572,212 km (0.062 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.66 AU - 1.78 AU

Year: 1022 Days

Day: 14.2 Hours

Environment

Temp: -113 °C

Axial Tilt: 0.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.3

Radius: 12.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.47 AU - 3.59 AU

Year: 3005 Days

Day: 14.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 24,956,928 km

• M1: 162,463 km (0.067 R)
• M2: 305,628 km (0.049 R)
• M3: 414,237 km (0.115 R)
• M4: 565,181 km (0.104 R)
• M5: 649,105 km (0.042 R)
• M6: 880,383 km (0.115 R)
• M7: 970,741 km (0.118 R)
• M8: 1,064,538 km (0.09 R)
• M9: 1,330,673 km (0.085 R)
• M10: 1,472,193 km (0.108 R)
• M11: 1,668,914 km (0.11 R)
• M12: 1,900,940 km (0.11 R)
• M13: 2,034,531 km (0.098 R)
• M14: 2,397,007 km (0.096 R)
• M15: 2,630,379 km (0.048 R)
• M16: 2,749,908 km (0.087 R)
• M17: 3,056,883 km (0.08 R)
• M18: 3,214,709 km (0.108 R)
• M19: 3,310,750 km (0.112 R)
• M20: 3,456,459 km (0.097 R)
• M21: 3,554,894 km (0.033 R)
• M22: 3,805,171 km (0.101 R)
• M23: 4,095,840 km (0.065 R)
• M24: 4,465,048 km (0.086 R)
• M25: 4,626,613 km (0.052 R)
• M26: 4,771,873 km (0.046 R)
• M27: 5,104,429 km (0.101 R)
• M28: 5,235,776 km (0.108 R)
• M29: 5,349,171 km (0.031 R)
• M30: 6,427,921 km (0.118 R)
• M31: 6,569,890 km (0.083 R)
• M32: 6,857,267 km (0.034 R)
• M33: 6,940,144 km (0.064 R)
• M34: 7,253,851 km (0.118 R)
• M35: 7,338,374 km (0.112 R)
• M36: 7,550,953 km (0.098 R)
• M37: 7,765,625 km (0.114 R)
• M38: 7,895,327 km (0.11 R)
• M39: 8,135,132 km (0.069 R)
• M40: 8,846,470 km (0.071 R)
• M41: 9,670,605 km (0.117 R)
• M42: 9,927,464 km (0.079 R)
• M43: 10,092,022 km (0.052 R)
• M44: 10,352,472 km (0.098 R)
• M45: 10,495,487 km (0.089 R)
• M46: 10,663,037 km (0.106 R)
• M47: 11,098,367 km (0.102 R)
• M48: 11,318,276 km (0.11 R)
• M49: 12,011,363 km (0.059 R)
• M50: 12,211,973 km (0.1 R)
• M51: 12,337,935 km (0.109 R)
• M52: 12,439,063 km (0.107 R)
• M53: 12,922,862 km (0.091 R)
• M54: 13,180,021 km (0.113 R)
• M55: 13,647,215 km (0.091 R)
• M56: 13,804,144 km (0.09 R)
• M57: 14,597,910 km (0.096 R)
• M58: 14,731,650 km (0.094 R)
• M59: 14,811,984 km (0.066 R)
• M60: 14,919,545 km (0.079 R)
• M61: 16,590,553 km (0.101 R)
• M62: 17,207,794 km (0.103 R)
• M63: 17,975,531 km (0.066 R)
• M64: 18,551,482 km (0.054 R)
• M65: 18,929,067 km (0.038 R)
• M66: 19,133,418 km (0.059 R)
• M67: 19,367,988 km (0.12 R)
• M68: 19,573,984 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 11.3

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 5.01 AU - 5.67 AU

Year: 5590 Days

Day: 14.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 111.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 24,956,928 km

• M1: 362,027 km (0.074 R)
• M2: 525,089 km (0.027 R)
• M3: 728,392 km (0.059 R)
• M4: 860,786 km (0.059 R)
• M5: 1,075,309 km (0.097 R)
• M6: 1,228,498 km (0.059 R)
• M7: 1,713,793 km (0.084 R)
• M8: 1,821,504 km (0.115 R)
• M9: 2,024,957 km (0.089 R)
• M10: 2,158,398 km (0.093 R)
• M11: 2,414,061 km (0.097 R)
• M12: 2,535,534 km (0.096 R)
• M13: 2,638,308 km (0.059 R)
• M14: 3,063,615 km (0.082 R)
• M15: 3,217,551 km (0.104 R)
• M16: 3,464,836 km (0.113 R)
• M17: 3,579,428 km (0.112 R)
• M18: 3,671,880 km (0.114 R)
• M19: 4,268,326 km (0.118 R)
• M20: 4,440,813 km (0.039 R)
• M21: 4,515,462 km (0.034 R)
• M22: 4,792,817 km (0.09 R)
• M23: 4,894,992 km (0.095 R)
• M24: 5,153,946 km (0.11 R)
• M25: 5,766,250 km (0.096 R)
• M26: 5,875,157 km (0.064 R)
• M27: 6,289,693 km (0.055 R)
• M28: 6,656,507 km (0.106 R)
• M29: 7,293,345 km (0.037 R)
• M30: 7,768,767 km (0.034 R)
• M31: 8,408,148 km (0.097 R)
• M32: 8,500,899 km (0.059 R)
• M33: 8,781,096 km (0.067 R)
• M34: 10,293,530 km (0.059 R)
• M35: 10,392,714 km (0.093 R)
• M36: 11,574,387 km (0.114 R)
• M37: 11,919,809 km (0.092 R)
• M38: 12,833,702 km (0.104 R)
• M39: 13,047,777 km (0.109 R)
• M40: 13,552,071 km (0.118 R)
• M41: 13,952,844 km (0.026 R)
• M42: 14,616,909 km (0.12 R)
• M43: 14,877,957 km (0.057 R)
• M44: 14,990,305 km (0.085 R)
• M45: 15,178,200 km (0.106 R)
• M46: 15,253,597 km (0.117 R)
• M47: 15,480,388 km (0.034 R)
• M48: 15,708,524 km (0.065 R)
• M49: 16,052,600 km (0.056 R)
• M50: 17,335,551 km (0.112 R)
• M51: 17,810,225 km (0.098 R)
• M52: 18,089,075 km (0.055 R)
• M53: 18,449,756 km (0.073 R)
• M54: 19,056,226 km (0.093 R)
• M55: 19,546,159 km (0.098 R)
• M56: 20,538,292 km (0.072 R)
• M57: 21,040,641 km (0.037 R)
• M58: 21,546,881 km (0.038 R)
• M59: 21,929,253 km (0.052 R)
• M60: 22,057,308 km (0.117 R)
• M61: 22,228,299 km (0.115 R)
• M62: 22,700,878 km (0.052 R)
• M63: 23,350,582 km (0.11 R)
• M64: 23,743,276 km (0.081 R)
• M65: 24,226,328 km (0.077 R)
• M66: 25,023,685 km (0.119 R)
• M67: 25,291,465 km (0.114 R)
• M68: 26,235,876 km (0.092 R)
• M69: 26,553,323 km (0.091 R)
• M70: 26,689,756 km (0.061 R)
• M71: 27,008,998 km (0.12 R)
• M72: 30,175,386 km (0.033 R)
• M73: 30,412,798 km (0.112 R)
• M74: 30,603,236 km (0.055 R)
• M75: 30,793,974 km (0.107 R)
• M76: 30,985,160 km (0.056 R)
• M77: 31,272,687 km (0.082 R)
• M78: 31,416,750 km (0.1 R)
• M79: 31,705,623 km (0.056 R)
• M80: 32,237,444 km (0.117 R)
• M81: 32,577,480 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599.1

Radius: 13.9

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.03 AU - 6.09 AU

Year: 5939 Days

Day: 5.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 24,956,928 km

• M1: 205,099 km (0.077 R)
• M2: 402,119 km (0.093 R)
• M3: 622,926 km (0.063 R)
• M4: 731,534 km (0.059 R)
• M5: 834,607 km (0.091 R)
• M6: 957,127 km (0.101 R)
• M7: 1,071,869 km (0.114 R)
• M8: 1,191,697 km (0.109 R)
• M9: 1,412,952 km (0.1 R)
• M10: 1,806,544 km (0.094 R)
• M11: 2,100,952 km (0.116 R)
• M12: 2,215,395 km (0.066 R)
• M13: 2,351,828 km (0.081 R)
• M14: 2,511,150 km (0.074 R)
• M15: 3,866,357 km (0.044 R)
• M16: 4,743,000 km (0.113 R)
• M17: 4,920,573 km (0.091 R)
• M18: 5,230,091 km (0.056 R)
• M19: 5,387,319 km (0.091 R)
• M20: 5,493,084 km (0.083 R)
• M21: 5,733,488 km (0.072 R)
• M22: 5,841,348 km (0.079 R)
• M23: 5,950,106 km (0.113 R)
• M24: 6,086,838 km (0.103 R)
• M25: 6,197,092 km (0.086 R)
• M26: 6,363,594 km (0.028 R)
• M27: 6,758,084 km (0.067 R)
• M28: 7,131,630 km (0.104 R)
• M29: 7,749,319 km (0.114 R)
• M30: 8,599,634 km (0.098 R)
• M31: 8,785,733 km (0.073 R)
• M32: 9,415,840 km (0.077 R)
• M33: 10,322,403 km (0.119 R)
• M34: 10,819,666 km (0.102 R)
• M35: 10,920,046 km (0.105 R)
• M36: 11,358,667 km (0.063 R)
• M37: 12,148,843 km (0.079 R)
• M38: 12,392,987 km (0.102 R)
• M39: 12,638,627 km (0.053 R)
• M40: 12,779,697 km (0.089 R)
• M41: 14,329,681 km (0.08 R)
• M42: 15,710,619 km (0.104 R)
• M43: 16,244,234 km (0.114 R)
• M44: 16,397,722 km (0.114 R)
• M45: 17,211,833 km (0.047 R)
• M46: 17,368,313 km (0.092 R)
• M47: 17,643,423 km (0.093 R)
• M48: 17,959,673 km (0.098 R)
• M49: 18,078,753 km (0.092 R)
• M50: 18,718,284 km (0.077 R)
• M51: 18,839,009 km (0.075 R)
• M52: 19,243,223 km (0.11 R)
• M53: 20,307,911 km (0.095 R)
• M54: 20,473,366 km (0.065 R)
• M55: 21,644,418 km (0.069 R)
• M56: 21,982,958 km (0.049 R)
• M57: 22,494,134 km (0.035 R)
• M58: 24,051,149 km (0.094 R)
• M59: 24,226,178 km (0.099 R)
• M60: 24,445,788 km (0.106 R)
• M61: 24,621,865 km (0.062 R)
• M62: 25,508,681 km (0.096 R)
• M63: 25,642,721 km (0.069 R)
• M64: 27,313,729 km (0.089 R)
• M65: 27,771,349 km (0.064 R)
• M66: 28,001,131 km (0.066 R)
• M67: 28,277,738 km (0.084 R)
• M68: 28,787,268 km (0.063 R)
• M69: 29,066,417 km (0.09 R)
• M70: 29,299,790 km (0.117 R)
• M71: 29,393,289 km (0.084 R)
• M72: 29,533,612 km (0.078 R)
• M73: 30,050,472 km (0.087 R)
• M74: 30,286,538 km (0.107 R)
• M75: 30,381,084 km (0.107 R)
• M76: 30,475,629 km (0.1 R)
• M77: 30,760,165 km (0.1 R)
• M78: 31,475,392 km (0.11 R)
• M79: 31,907,131 km (0.103 R)
• M80: 32,099,664 km (0.082 R)

Planet 9 - Gas Giant

Semi-Major Axis: 6.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.7

Radius: 11.5

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.88 AU - 7.22 AU

Year: 7594 Days

Day: 5.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 24,956,928 km

• M1: 260,001 km (0.106 R)
• M2: 592,856 km (0.093 R)
• M3: 954,135 km (0.08 R)
• M4: 1,468,602 km (0.075 R)
• M5: 1,842,597 km (0.081 R)
• M6: 1,940,883 km (0.087 R)
• M7: 2,789,701 km (0.07 R)
• M8: 3,182,396 km (0.078 R)
• M9: 3,445,837 km (0.118 R)
• M10: 3,741,443 km (0.075 R)
• M11: 3,816,690 km (0.116 R)
• M12: 3,892,537 km (0.088 R)
• M13: 4,278,798 km (0.108 R)
• M14: 4,410,444 km (0.072 R)
• M15: 4,758,858 km (0.07 R)
• M16: 5,284,246 km (0.106 R)
• M17: 6,151,315 km (0.087 R)
• M18: 6,240,475 km (0.107 R)
• M19: 6,938,349 km (0.085 R)
• M20: 7,343,759 km (0.047 R)
• M21: 7,821,276 km (0.119 R)
• M22: 8,374,638 km (0.054 R)
• M23: 8,506,733 km (0.075 R)
• M24: 8,873,547 km (0.079 R)
• M25: 9,008,185 km (0.113 R)
• M26: 9,795,669 km (0.043 R)
• M27: 10,039,663 km (0.092 R)
• M28: 10,250,446 km (0.1 R)
• M29: 11,217,297 km (0.03 R)
• M30: 12,063,722 km (0.106 R)
• M31: 13,313,911 km (0.095 R)
• M32: 13,584,384 km (0.104 R)
• M33: 13,700,921 km (0.028 R)
• M34: 14,209,554 km (0.109 R)
• M35: 14,884,091 km (0.043 R)
• M36: 15,164,886 km (0.062 R)
• M37: 15,406,935 km (0.092 R)
• M38: 15,609,640 km (0.112 R)
• M39: 16,017,743 km (0.103 R)
• M40: 16,305,420 km (0.118 R)
• M41: 17,011,372 km (0.112 R)
• M42: 18,067,683 km (0.074 R)
• M43: 18,238,673 km (0.058 R)
• M44: 18,367,327 km (0.092 R)
• M45: 18,798,020 km (0.09 R)
• M46: 18,971,404 km (0.09 R)
• M47: 19,538,080 km (0.097 R)
• M48: 19,845,654 km (0.119 R)
• M49: 20,243,434 km (0.101 R)
• M50: 21,136,683 km (0.062 R)
• M51: 21,226,741 km (0.098 R)
• M52: 21,588,170 km (0.073 R)
• M53: 21,769,632 km (0.107 R)
• M54: 21,906,065 km (0.074 R)
• M55: 22,271,233 km (0.099 R)
• M56: 23,518,880 km (0.111 R)
• M57: 24,268,814 km (0.074 R)
• M58: 24,457,606 km (0.104 R)
• M59: 24,552,152 km (0.117 R)
• M60: 25,026,677 km (0.099 R)
• M61: 25,360,729 km (0.084 R)
• M62: 25,744,298 km (0.075 R)
• M63: 26,081,491 km (0.106 R)
• M64: 26,614,209 km (0.111 R)
• M65: 26,906,374 km (0.092 R)
• M66: 28,036,137 km (0.082 R)
• M67: 30,138,735 km (0.108 R)
• M68: 31,465,818 km (0.113 R)
• M69: 32,188,226 km (0.103 R)
• M70: 32,343,658 km (0.103 R)
• M71: 32,447,479 km (0.081 R)
• M72: 32,811,750 km (0.057 R)
• M73: 33,177,367 km (0.088 R)
• M74: 33,965,299 km (0.061 R)
• M75: 35,399,195 km (0.1 R)
• M76: 35,559,713 km (0.099 R)
• M77: 35,720,531 km (0.041 R)
• M78: 35,989,059 km (0.074 R)

Planet 10 - Gas Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 143.4

Radius: 11.5

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.74 AU - 7.06 AU

Year: 8211 Days

Day: 10.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 43.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 24,956,928 km

• M1: 198,068 km (0.117 R)
• M2: 278,402 km (0.09 R)
• M3: 395,836 km (0.076 R)
• M4: 602,580 km (0.114 R)
• M5: 704,456 km (0.098 R)
• M6: 846,724 km (0.073 R)
• M7: 951,293 km (0.102 R)
• M8: 1,279,361 km (0.108 R)
• M9: 1,851,722 km (0.109 R)
• M10: 2,165,728 km (0.041 R)
• M11: 2,279,722 km (0.094 R)
• M12: 2,496,938 km (0.047 R)
• M13: 2,599,562 km (0.065 R)
• M14: 2,969,817 km (0.117 R)
• M15: 3,244,778 km (0.037 R)
• M16: 3,780,189 km (0.092 R)
• M17: 4,078,487 km (0.089 R)
• M18: 4,467,441 km (0.118 R)
• M19: 4,550,917 km (0.109 R)
• M20: 4,825,579 km (0.071 R)
• M21: 4,911,298 km (0.111 R)
• M22: 5,062,392 km (0.081 R)
• M23: 5,237,122 km (0.111 R)
• M24: 5,325,086 km (0.104 R)
• M25: 5,458,228 km (0.034 R)
• M26: 5,637,446 km (0.032 R)
• M27: 5,864,087 km (0.098 R)
• M28: 6,729,062 km (0.11 R)
• M29: 6,824,954 km (0.081 R)
• M30: 7,042,320 km (0.082 R)
• M31: 7,608,548 km (0.081 R)
• M32: 7,733,612 km (0.087 R)
• M33: 7,809,009 km (0.12 R)
• M34: 8,138,423 km (0.075 R)
• M35: 8,628,207 km (0.111 R)
• M36: 8,863,524 km (0.076 R)
• M37: 9,047,978 km (0.117 R)
• M38: 9,393,998 km (0.08 R)
• M39: 9,528,337 km (0.105 R)
• M40: 9,636,197 km (0.11 R)
• M41: 9,744,506 km (0.118 R)
• M42: 9,880,341 km (0.094 R)
• M43: 9,962,321 km (0.116 R)
• M44: 10,625,338 km (0.097 R)
• M45: 10,849,586 km (0.102 R)
• M46: 11,018,781 km (0.113 R)
• M47: 11,132,026 km (0.117 R)
• M48: 11,474,306 km (0.056 R)
• M49: 11,589,048 km (0.073 R)
• M50: 11,704,388 km (0.11 R)
• M51: 12,198,360 km (0.06 R)
• M52: 12,315,495 km (0.03 R)
• M53: 12,403,758 km (0.103 R)
• M54: 12,847,764 km (0.061 R)
• M55: 13,568,976 km (0.113 R)
• M56: 13,842,889 km (0.102 R)
• M57: 14,118,598 km (0.112 R)
• M58: 14,210,900 km (0.054 R)
• M59: 15,587,949 km (0.103 R)
• M60: 15,874,877 km (0.116 R)
• M61: 16,002,933 km (0.043 R)
• M62: 16,195,765 km (0.117 R)
• M63: 16,421,508 km (0.081 R)
• M64: 16,843,823 km (0.059 R)
• M65: 17,368,462 km (0.104 R)
• M66: 17,931,698 km (0.083 R)
• M67: 18,065,140 km (0.093 R)
• M68: 18,433,749 km (0.097 R)
• M69: 18,737,133 km (0.078 R)
• M70: 20,383,308 km (0.076 R)
• M71: 20,557,440 km (0.068 R)
• M72: 21,047,672 km (0.12 R)
• M73: 21,541,794 km (0.073 R)
• M74: 21,683,613 km (0.039 R)
• M75: 21,968,298 km (0.039 R)
• M76: 23,192,008 km (0.106 R)
• M77: 23,592,631 km (0.071 R)
• M78: 23,702,287 km (0.094 R)
• M79: 23,775,440 km (0.102 R)
• M80: 23,885,394 km (0.097 R)
• M81: 23,995,498 km (0.1 R)
• M82: 24,253,106 km (0.089 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 17,846 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit