🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.63 AU - 0.69 AU

Year: 199 Days

Day: 20.2 Hours

Environment

Temp: 203 °C

Axial Tilt: 17 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.02

Radius: 1.74

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.69 AU - 0.85 AU

Year: 251 Days

Day: 17.7 Hours

Environment

Temp: 136 °C

Axial Tilt: 63.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.29

Radius: 1.11

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.95 AU - 0.99 AU

Year: 354 Days

Day: 21.6 Hours

Environment

Temp: 33 °C

Axial Tilt: 11.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.63

Radius: 1.67

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.2 AU - 4.82 AU

Year: 2978 Days

Day: 30.3 Hours

Environment

Temp: -121 °C

Axial Tilt: 44 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 50,414,440 km

• M1: 259,702 km (0.117 R)
• M2: 968,347 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435

Radius: 9.7

Gravity: 4.62 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 5.41 AU - 5.57 AU

Year: 4770 Days

Day: 10.6 Hours

Environment

Temp: -139 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 50,414,440 km

• M1: 124,765 km (0.099 R)
• M2: 186,249 km (0.07 R)
• M3: 257,308 km (0.068 R)
• M4: 479,461 km (0.038 R)
• M5: 865,274 km (0.084 R)
• M6: 936,183 km (0.111 R)
• M7: 1,033,871 km (0.108 R)
• M8: 1,148,313 km (0.1 R)
• M9: 1,280,558 km (0.041 R)
• M10: 1,390,063 km (0.073 R)
• M11: 1,517,222 km (0.091 R)
• M12: 1,604,138 km (0.09 R)
• M13: 1,798,466 km (0.091 R)
• M14: 1,875,359 km (0.066 R)
• M15: 2,326,247 km (0.113 R)
• M16: 2,739,137 km (0.104 R)
• M17: 3,325,261 km (0.048 R)
• M18: 3,574,342 km (0.115 R)
• M19: 3,849,452 km (0.105 R)
• M20: 4,111,249 km (0.117 R)
• M21: 4,316,647 km (0.098 R)
• M22: 4,441,411 km (0.111 R)
• M23: 4,546,429 km (0.119 R)
• M24: 4,737,465 km (0.075 R)
• M25: 5,171,449 km (0.067 R)
• M26: 5,281,852 km (0.028 R)
• M27: 5,415,593 km (0.109 R)
• M28: 5,482,912 km (0.098 R)
• M29: 5,640,887 km (0.076 R)
• M30: 5,754,731 km (0.119 R)
• M31: 5,869,323 km (0.104 R)
• M32: 6,264,560 km (0.119 R)
• M33: 6,358,957 km (0.099 R)
• M34: 6,572,732 km (0.087 R)
• M35: 6,934,460 km (0.084 R)
• M36: 7,652,230 km (0.088 R)
• M37: 7,727,927 km (0.097 R)
• M38: 7,981,794 km (0.11 R)
• M39: 8,264,086 km (0.119 R)
• M40: 8,393,637 km (0.092 R)
• M41: 9,184,561 km (0.081 R)
• M42: 9,372,606 km (0.065 R)
• M43: 9,643,378 km (0.097 R)
• M44: 9,944,219 km (0.11 R)
• M45: 10,054,323 km (0.118 R)
• M46: 10,387,328 km (0.082 R)
• M47: 10,836,870 km (0.081 R)
• M48: 10,950,265 km (0.086 R)
• M49: 11,149,679 km (0.066 R)
• M50: 12,341,675 km (0.115 R)
• M51: 13,910,956 km (0.105 R)
• M52: 14,126,976 km (0.072 R)
• M53: 14,188,909 km (0.07 R)
• M54: 14,718,934 km (0.062 R)
• M55: 15,830,596 km (0.113 R)
• M56: 15,927,236 km (0.103 R)
• M57: 15,991,713 km (0.064 R)
• M58: 17,166,954 km (0.038 R)
• M59: 17,465,252 km (0.11 R)
• M60: 17,698,326 km (0.08 R)
• M61: 18,302,402 km (0.059 R)
• M62: 18,573,174 km (0.043 R)
• M63: 19,084,350 km (0.085 R)
• M64: 19,290,047 km (0.073 R)
• M65: 19,358,862 km (0.103 R)
• M66: 19,807,656 km (0.088 R)
• M67: 20,085,609 km (0.03 R)
• M68: 21,672,992 km (0.079 R)
• M69: 21,923,418 km (0.117 R)
• M70: 22,680,832 km (0.077 R)
• M71: 23,336,819 km (0.11 R)
• M72: 24,742,141 km (0.105 R)
• M73: 24,891,739 km (0.037 R)
• M74: 24,966,538 km (0.093 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.6

Radius: 13.5

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.92 AU - 8.74 AU

Year: 7360 Days

Day: 8.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 50,414,440 km

• M1: 232,924 km (0.087 R)
• M2: 600,935 km (0.092 R)
• M3: 718,668 km (0.107 R)
• M4: 1,105,827 km (0.071 R)
• M5: 1,255,725 km (0.062 R)
• M6: 1,618,948 km (0.107 R)
• M7: 1,704,369 km (0.114 R)
• M8: 1,879,847 km (0.075 R)
• M9: 1,969,905 km (0.076 R)
• M10: 2,273,140 km (0.077 R)
• M11: 2,924,788 km (0.062 R)
• M12: 3,244,778 km (0.061 R)
• M13: 3,548,312 km (0.114 R)
• M14: 3,632,685 km (0.117 R)
• M15: 4,006,231 km (0.103 R)
• M16: 4,182,906 km (0.107 R)
• M17: 4,852,955 km (0.073 R)
• M18: 4,978,468 km (0.075 R)
• M19: 5,136,892 km (0.111 R)
• M20: 5,296,961 km (0.108 R)
• M21: 6,088,633 km (0.114 R)
• M22: 6,741,778 km (0.036 R)
• M23: 7,130,134 km (0.079 R)
• M24: 7,273,149 km (0.093 R)
• M25: 8,002,738 km (0.08 R)
• M26: 8,151,588 km (0.074 R)
• M27: 8,338,735 km (0.059 R)
• M28: 8,641,371 km (0.082 R)
• M29: 9,102,133 km (0.08 R)
• M30: 9,218,670 km (0.106 R)
• M31: 9,728,948 km (0.106 R)
• M32: 10,288,893 km (0.066 R)
• M33: 10,532,139 km (0.115 R)
• M34: 11,107,193 km (0.09 R)
• M35: 11,231,659 km (0.08 R)
• M36: 11,819,129 km (0.114 R)
• M37: 12,632,194 km (0.076 R)
• M38: 12,805,727 km (0.053 R)
• M39: 12,892,793 km (0.083 R)
• M40: 13,419,378 km (0.054 R)
• M41: 14,402,834 km (0.098 R)
• M42: 14,720,730 km (0.112 R)
• M43: 14,857,612 km (0.066 R)
• M44: 15,363,402 km (0.08 R)
• M45: 15,502,229 km (0.1 R)
• M46: 16,628,701 km (0.113 R)
• M47: 16,962,155 km (0.056 R)
• M48: 17,201,661 km (0.108 R)
• M49: 18,171,205 km (0.035 R)
• M50: 18,910,068 km (0.037 R)
• M51: 19,658,656 km (0.084 R)
• M52: 19,759,186 km (0.097 R)
• M53: 20,671,883 km (0.112 R)
• M54: 21,081,930 km (0.104 R)
• M55: 22,066,733 km (0.067 R)
• M56: 23,119,453 km (0.05 R)
• M57: 23,651,872 km (0.076 R)
• M58: 24,566,514 km (0.116 R)
• M59: 26,708,007 km (0.077 R)
• M60: 27,098,757 km (0.058 R)
• M61: 28,680,455 km (0.111 R)
• M62: 29,252,667 km (0.088 R)
• M63: 29,367,558 km (0.062 R)
• M64: 31,343,447 km (0.11 R)
• M65: 31,932,713 km (0.115 R)
• M66: 32,466,328 km (0.047 R)
• M67: 32,644,799 km (0.071 R)
• M68: 33,422,109 km (0.086 R)
• M69: 34,265,991 km (0.062 R)
• M70: 35,361,197 km (0.093 R)
• M71: 35,728,908 km (0.073 R)
• M72: 35,913,213 km (0.091 R)
• M73: 36,097,817 km (0.085 R)
• M74: 36,468,071 km (0.096 R)
• M75: 38,275,064 km (0.071 R)
• M76: 38,715,630 km (0.108 R)
• M77: 39,665,277 km (0.099 R)
• M78: 39,919,893 km (0.043 R)
• M79: 41,458,507 km (0.097 R)
• M80: 41,975,667 km (0.117 R)
• M81: 42,560,145 km (0.054 R)
• M82: 42,690,445 km (0.072 R)
• M83: 43,737,032 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659

Radius: 14.3

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.85 AU - 11.53 AU

Year: 11186 Days

Day: 5.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 50,414,440 km

• M1: 190,737 km (0.104 R)
• M2: 455,226 km (0.103 R)
• M3: 630,854 km (0.114 R)
• M4: 851,212 km (0.104 R)
• M5: 1,618,948 km (0.104 R)
• M6: 1,906,625 km (0.06 R)
• M7: 2,031,689 km (0.1 R)
• M8: 2,263,715 km (0.028 R)
• M9: 2,504,867 km (0.12 R)
• M10: 3,865,908 km (0.115 R)
• M11: 4,286,877 km (0.09 R)
• M12: 4,963,358 km (0.104 R)
• M13: 5,172,945 km (0.08 R)
• M14: 5,564,891 km (0.06 R)
• M15: 6,003,512 km (0.115 R)
• M16: 6,798,026 km (0.11 R)
• M17: 7,267,165 km (0.049 R)
• M18: 7,505,624 km (0.063 R)
• M19: 7,868,250 km (0.095 R)
• M20: 8,072,301 km (0.078 R)
• M21: 8,485,490 km (0.118 R)
• M22: 8,610,853 km (0.107 R)
• M23: 9,075,804 km (0.116 R)
• M24: 9,246,944 km (0.03 R)
• M25: 9,462,365 km (0.11 R)
• M26: 10,564,302 km (0.117 R)
• M27: 10,880,253 km (0.084 R)
• M28: 11,336,826 km (0.094 R)
• M29: 11,706,781 km (0.094 R)
• M30: 12,221,847 km (0.091 R)
• M31: 12,601,227 km (0.119 R)
• M32: 13,371,506 km (0.092 R)
• M33: 14,157,194 km (0.067 R)
• M34: 14,306,044 km (0.118 R)
• M35: 15,261,825 km (0.063 R)
• M36: 15,516,740 km (0.071 R)
• M37: 16,238,101 km (0.095 R)
• M38: 16,342,071 km (0.114 R)
• M39: 16,655,180 km (0.099 R)
• M40: 16,970,382 km (0.09 R)
• M41: 17,981,514 km (0.074 R)
• M42: 19,176,652 km (0.066 R)
• M43: 19,451,762 km (0.112 R)
• M44: 19,728,369 km (0.099 R)
• M45: 20,061,972 km (0.044 R)
• M46: 21,643,072 km (0.079 R)
• M47: 21,987,147 km (0.096 R)
• M48: 22,797,070 km (0.113 R)
• M49: 24,030,056 km (0.112 R)
• M50: 26,072,216 km (0.114 R)
• M51: 26,194,138 km (0.107 R)
• M52: 26,316,061 km (0.095 R)
• M53: 27,299,367 km (0.066 R)
• M54: 27,982,282 km (0.07 R)
• M55: 29,048,765 km (0.045 R)
• M56: 30,128,562 km (0.109 R)
• M57: 30,320,496 km (0.111 R)
• M58: 30,448,702 km (0.073 R)
• M59: 31,740,330 km (0.081 R)
• M60: 32,131,379 km (0.079 R)
• M61: 32,786,617 km (0.096 R)
• M62: 33,181,855 km (0.12 R)
• M63: 34,176,830 km (0.111 R)
• M64: 35,451,404 km (0.11 R)
• M65: 35,586,341 km (0.034 R)
• M66: 35,992,649 km (0.119 R)
• M67: 36,264,319 km (0.034 R)
• M68: 37,083,367 km (0.104 R)
• M69: 37,357,730 km (0.097 R)
• M70: 37,839,585 km (0.106 R)
• M71: 40,208,916 km (0.06 R)
• M72: 40,349,837 km (0.118 R)
• M73: 41,269,565 km (0.098 R)
• M74: 41,553,950 km (0.081 R)
• M75: 42,697,925 km (0.107 R)
• M76: 42,985,452 km (0.102 R)
• M77: 43,779,817 km (0.093 R)
• M78: 44,797,681 km (0.072 R)
• M79: 45,236,302 km (0.113 R)
• M80: 45,382,908 km (0.073 R)
• M81: 46,339,137 km (0.098 R)
• M82: 48,196,993 km (0.114 R)
• M83: 49,247,918 km (0.076 R)
• M84: 50,230,477 km (0.071 R)
• M85: 50,534,161 km (0.055 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.6

Radius: 10

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 8.93 AU - 10.75 AU

Year: 11447 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 50,414,440 km

• M1: 125,961 km (0.028 R)
• M2: 481,705 km (0.098 R)
• M3: 685,757 km (0.093 R)
• M4: 1,014,872 km (0.1 R)
• M5: 1,346,979 km (0.088 R)
• M6: 1,412,952 km (0.12 R)
• M7: 1,502,860 km (0.102 R)
• M8: 1,618,051 km (0.118 R)
• M9: 2,451,012 km (0.091 R)
• M10: 2,560,068 km (0.063 R)
• M11: 2,670,771 km (0.105 R)
• M12: 2,954,708 km (0.044 R)
• M13: 3,041,774 km (0.109 R)
• M14: 3,129,737 km (0.084 R)
• M15: 3,308,207 km (0.09 R)
• M16: 3,769,268 km (0.069 R)
• M17: 3,863,814 km (0.029 R)
• M18: 4,087,911 km (0.094 R)
• M19: 4,217,912 km (0.094 R)
• M20: 5,026,189 km (0.119 R)
• M21: 5,377,146 km (0.073 R)
• M22: 6,176,896 km (0.101 R)
• M23: 7,287,511 km (0.067 R)
• M24: 7,644,601 km (0.089 R)
• M25: 7,845,511 km (0.087 R)
• M26: 8,666,504 km (0.063 R)
• M27: 9,129,659 km (0.063 R)
• M28: 9,861,342 km (0.098 R)
• M29: 10,477,984 km (0.12 R)
• M30: 11,656,367 km (0.065 R)
• M31: 12,496,509 km (0.052 R)
• M32: 12,733,322 km (0.052 R)
• M33: 12,923,910 km (0.043 R)
• M34: 13,163,416 km (0.09 R)
• M35: 13,307,927 km (0.097 R)
• M36: 13,695,685 km (0.105 R)
• M37: 13,988,897 km (0.031 R)
• M38: 16,202,048 km (0.073 R)
• M39: 16,356,882 km (0.078 R)
• M40: 18,253,035 km (0.065 R)
• M41: 18,522,012 km (0.092 R)
• M42: 18,629,872 km (0.067 R)
• M43: 19,830,544 km (0.117 R)
• M44: 20,329,004 km (0.063 R)
• M45: 21,056,199 km (0.062 R)
• M46: 22,020,059 km (0.098 R)
• M47: 22,248,794 km (0.088 R)
• M48: 23,056,173 km (0.025 R)
• M49: 23,288,499 km (0.105 R)
• M50: 24,049,354 km (0.051 R)
• M51: 24,284,970 km (0.093 R)
• M52: 25,415,033 km (0.09 R)
• M53: 26,684,071 km (0.103 R)
• M54: 27,541,417 km (0.084 R)
• M55: 27,787,954 km (0.085 R)
• M56: 28,097,322 km (0.088 R)
• M57: 28,345,655 km (0.051 R)
• M58: 28,719,350 km (0.089 R)
• M59: 28,844,414 km (0.095 R)
• M60: 29,346,016 km (0.103 R)
• M61: 29,408,997 km (0.039 R)
• M62: 30,294,317 km (0.118 R)
• M63: 30,548,932 km (0.082 R)
• M64: 30,868,174 km (0.096 R)
• M65: 30,932,202 km (0.104 R)
• M66: 32,156,212 km (0.105 R)
• M67: 32,221,137 km (0.038 R)
• M68: 32,546,064 km (0.111 R)
• M69: 32,741,588 km (0.04 R)
• M70: 33,068,310 km (0.097 R)
• M71: 33,396,079 km (0.11 R)
• M72: 33,725,045 km (0.09 R)
• M73: 33,922,813 km (0.119 R)
• M74: 34,121,030 km (0.073 R)
• M75: 35,318,561 km (0.12 R)
• M76: 36,057,126 km (0.11 R)
• M77: 36,800,777 km (0.117 R)
• M78: 38,923,720 km (0.096 R)
• M79: 40,804,764 km (0.119 R)
• M80: 41,226,780 km (0.099 R)
• M81: 42,857,995 km (0.078 R)
• M82: 43,000,861 km (0.09 R)
• M83: 43,358,699 km (0.078 R)
• M84: 43,502,014 km (0.119 R)
• M85: 44,005,261 km (0.048 R)
• M86: 44,221,430 km (0.055 R)
• M87: 44,799,775 km (0.084 R)
• M88: 45,307,810 km (0.032 R)
• M89: 46,036,950 km (0.113 R)
• M90: 46,256,410 km (0.115 R)
• M91: 46,476,318 km (0.079 R)
• M92: 46,990,636 km (0.109 R)
• M93: 48,321,907 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.7

Radius: 7.8

Gravity: 1.85 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 13.64 AU - 20.88 AU

Year: 26593 Days

Day: 17.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 50,414,440 km

• M1: 261,198 km (0.088 R)
• M2: 332,706 km (0.072 R)
• M3: 398,678 km (0.111 R)
• M4: 676,482 km (0.083 R)
• M5: 799,900 km (0.032 R)
• M6: 1,130,511 km (0.073 R)
• M7: 1,321,996 km (0.108 R)
• M8: 1,736,083 km (0.04 R)
• M9: 1,932,655 km (0.094 R)
• M10: 2,401,345 km (0.113 R)
• M11: 3,469,474 km (0.108 R)
• M12: 4,904,716 km (0.075 R)
• M13: 5,008,537 km (0.119 R)
• M14: 5,539,011 km (0.106 R)
• M15: 5,611,117 km (0.034 R)
• M16: 7,752,760 km (0.094 R)
• M17: 8,118,228 km (0.113 R)
• M18: 8,406,353 km (0.09 R)
• M19: 8,781,844 km (0.105 R)
• M20: 8,992,777 km (0.1 R)
• M21: 9,162,720 km (0.091 R)
• M22: 9,290,925 km (0.082 R)
• M23: 9,722,515 km (0.032 R)
• M24: 10,293,381 km (0.104 R)
• M25: 10,920,345 km (0.104 R)
• M26: 11,698,105 km (0.111 R)
• M27: 12,874,243 km (0.055 R)
• M28: 13,939,978 km (0.099 R)
• M29: 14,186,067 km (0.113 R)
• M30: 14,384,134 km (0.109 R)
• M31: 14,483,467 km (0.062 R)
• M32: 15,387,637 km (0.109 R)
• M33: 15,744,278 km (0.108 R)
• M34: 16,934,928 km (0.111 R)
• M35: 17,303,088 km (0.117 R)
• M36: 18,693,451 km (0.101 R)
• M37: 19,019,424 km (0.054 R)
• M38: 21,409,699 km (0.061 R)
• M39: 23,599,513 km (0.118 R)
• M40: 23,834,082 km (0.107 R)
• M41: 24,364,856 km (0.113 R)
• M42: 25,678,624 km (0.103 R)
• M43: 25,738,912 km (0.111 R)
• M44: 26,040,950 km (0.047 R)
• M45: 26,161,975 km (0.034 R)
• M46: 26,404,922 km (0.101 R)
• M47: 27,877,563 km (0.106 R)
• M48: 27,939,497 km (0.064 R)
• M49: 28,125,596 km (0.087 R)
• M50: 29,187,891 km (0.116 R)
• M51: 29,692,335 km (0.09 R)
• M52: 30,773,928 km (0.107 R)
• M53: 32,648,538 km (0.108 R)
• M54: 34,959,676 km (0.093 R)
• M55: 35,093,416 km (0.056 R)
• M56: 35,898,851 km (0.105 R)
• M57: 38,214,178 km (0.1 R)
• M58: 38,282,993 km (0.115 R)
• M59: 41,069,552 km (0.057 R)
• M60: 42,344,724 km (0.076 R)
• M61: 43,417,341 km (0.062 R)
• M62: 44,933,815 km (0.086 R)
• M63: 45,297,487 km (0.094 R)
• M64: 46,614,697 km (0.084 R)
• M65: 48,390,423 km (0.105 R)
• M66: 49,061,968 km (0.053 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 296 - 11,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit