🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.2

Radius: 13.9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.4 AU - 1.56 AU

Year: 1181 Days

Day: 14.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 14 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 65,277,961 km

• M1: 185,950 km (0.049 R)
• M2: 274,512 km (0.116 R)
• M3: 416,480 km (0.12 R)
• M4: 522,695 km (0.067 R)
• M5: 623,225 km (0.084 R)
• M6: 757,264 km (0.041 R)
• M7: 902,524 km (0.101 R)
• M8: 1,007,542 km (0.059 R)
• M9: 1,162,076 km (0.117 R)
• M10: 1,365,380 km (0.097 R)
• M11: 1,463,366 km (0.089 R)
• M12: 1,666,969 km (0.026 R)
• M13: 1,808,040 km (0.082 R)
• M14: 1,944,174 km (0.103 R)
• M15: 2,275,384 km (0.076 R)
• M16: 2,553,785 km (0.116 R)
• M17: 2,686,927 km (0.066 R)
• M18: 2,801,370 km (0.081 R)
• M19: 3,057,032 km (0.108 R)
• M20: 3,637,323 km (0.069 R)
• M21: 3,741,443 km (0.08 R)
• M22: 3,987,980 km (0.104 R)
• M23: 4,155,380 km (0.107 R)
• M24: 4,300,789 km (0.026 R)
• M25: 4,534,461 km (0.114 R)
• M26: 4,684,358 km (0.057 R)
• M27: 5,365,926 km (0.109 R)
• M28: 5,725,111 km (0.109 R)
• M29: 5,819,656 km (0.099 R)
• M30: 6,230,303 km (0.069 R)
• M31: 6,327,541 km (0.091 R)
• M32: 6,849,937 km (0.112 R)
• M33: 7,109,040 km (0.037 R)
• M34: 7,342,263 km (0.112 R)
• M35: 7,430,377 km (0.082 R)
• M36: 7,563,070 km (0.048 R)
• M37: 7,696,661 km (0.037 R)
• M38: 8,269,471 km (0.039 R)
• M39: 8,592,004 km (0.073 R)
• M40: 8,747,137 km (0.082 R)
• M41: 8,871,752 km (0.097 R)
• M42: 9,680,777 km (0.066 R)
• M43: 9,777,567 km (0.072 R)
• M44: 9,923,276 km (0.101 R)
• M45: 10,331,977 km (0.078 R)
• M46: 10,447,317 km (0.09 R)
• M47: 10,746,064 km (0.114 R)
• M48: 10,980,484 km (0.108 R)
• M49: 11,132,026 km (0.096 R)
• M50: 11,437,206 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.3

Radius: 13.3

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 1.41 AU - 2.01 AU

Year: 1467 Days

Day: 13.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 65,277,961 km

• M1: 182,958 km (0.074 R)
• M2: 290,070 km (0.105 R)
• M3: 384,915 km (0.084 R)
• M4: 490,681 km (0.114 R)
• M5: 615,446 km (0.075 R)
• M6: 727,195 km (0.115 R)
• M7: 981,362 km (0.079 R)
• M8: 1,092,962 km (0.104 R)
• M9: 1,201,420 km (0.098 R)
• M10: 1,338,452 km (0.107 R)
• M11: 1,515,277 km (0.106 R)
• M12: 1,637,648 km (0.119 R)
• M13: 1,846,337 km (0.055 R)
• M14: 2,122,195 km (0.075 R)
• M15: 2,210,608 km (0.102 R)
• M16: 2,789,103 km (0.108 R)
• M17: 3,007,067 km (0.114 R)
• M18: 3,196,757 km (0.036 R)
• M19: 3,541,580 km (0.116 R)
• M20: 3,790,062 km (0.093 R)
• M21: 3,958,958 km (0.115 R)
• M22: 4,142,814 km (0.088 R)
• M23: 4,242,147 km (0.111 R)
• M24: 4,442,907 km (0.084 R)
• M25: 4,544,634 km (0.099 R)
• M26: 4,698,570 km (0.118 R)
• M27: 4,841,286 km (0.093 R)
• M28: 4,932,840 km (0.099 R)
• M29: 5,038,157 km (0.116 R)
• M30: 5,372,209 km (0.095 R)
• M31: 5,467,204 km (0.096 R)
• M32: 5,672,302 km (0.085 R)
• M33: 5,880,094 km (0.057 R)
• M34: 6,274,883 km (0.109 R)
• M35: 6,403,537 km (0.074 R)
• M36: 6,504,216 km (0.102 R)
• M37: 6,721,881 km (0.082 R)
• M38: 7,045,611 km (0.094 R)
• M39: 7,284,220 km (0.107 R)
• M40: 7,540,630 km (0.065 R)
• M41: 7,830,850 km (0.086 R)
• M42: 8,296,548 km (0.081 R)
• M43: 8,406,503 km (0.094 R)
• M44: 8,548,770 km (0.103 R)
• M45: 8,723,501 km (0.12 R)
• M46: 9,028,231 km (0.068 R)
• M47: 9,190,096 km (0.059 R)
• M48: 9,320,247 km (0.082 R)
• M49: 9,483,907 km (0.108 R)
• M50: 9,997,027 km (0.059 R)
• M51: 10,114,162 km (0.117 R)
• M52: 10,689,665 km (0.112 R)
• M53: 10,775,235 km (0.118 R)
• M54: 10,912,566 km (0.081 R)
• M55: 11,015,938 km (0.105 R)
• M56: 11,206,376 km (0.11 R)
• M57: 11,485,227 km (0.071 R)
• M58: 11,731,166 km (0.117 R)
• M59: 11,907,991 km (0.048 R)
• M60: 11,996,702 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.8

Radius: 8.7

Gravity: 12.17 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.24 AU - 3.12 AU

Year: 2878 Days

Day: 5.6 Hours

Environment

Temp: -205 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 65,277,961 km

• M1: 142,268 km (0.095 R)
• M2: 264,938 km (0.038 R)
• M3: 420,520 km (0.069 R)
• M4: 506,239 km (0.109 R)
• M5: 627,563 km (0.107 R)
• M6: 697,126 km (0.065 R)
• M7: 834,008 km (0.106 R)
• M8: 1,259,315 km (0.082 R)
• M9: 1,428,211 km (0.08 R)
• M10: 1,632,562 km (0.064 R)
• M11: 1,774,081 km (0.114 R)
• M12: 1,860,998 km (0.074 R)
• M13: 2,223,024 km (0.066 R)
• M14: 2,706,225 km (0.104 R)
• M15: 2,773,096 km (0.088 R)
• M16: 2,840,564 km (0.066 R)
• M17: 3,046,411 km (0.115 R)
• M18: 3,239,243 km (0.102 R)
• M19: 3,310,451 km (0.087 R)
• M20: 3,400,060 km (0.093 R)
• M21: 3,490,567 km (0.074 R)
• M22: 3,563,571 km (0.111 R)
• M23: 3,841,973 km (0.081 R)
• M24: 4,360,778 km (0.115 R)
• M25: 4,419,719 km (0.118 R)
• M26: 5,127,916 km (0.097 R)
• M27: 5,548,435 km (0.08 R)
• M28: 5,634,005 km (0.073 R)
• M29: 5,698,332 km (0.112 R)
• M30: 5,827,735 km (0.111 R)
• M31: 5,914,651 km (0.092 R)
• M32: 6,067,839 km (0.085 R)
• M33: 6,288,795 km (0.103 R)
• M34: 6,400,246 km (0.109 R)
• M35: 6,921,594 km (0.087 R)
• M36: 7,339,122 km (0.117 R)
• M37: 7,456,556 km (0.083 R)
• M38: 7,622,012 km (0.12 R)
• M39: 7,836,684 km (0.115 R)
• M40: 8,174,327 km (0.069 R)
• M41: 8,320,634 km (0.11 R)
• M42: 8,566,273 km (0.085 R)
• M43: 9,649,511 km (0.095 R)
• M44: 9,804,046 km (0.048 R)
• M45: 10,115,658 km (0.105 R)
• M46: 10,246,557 km (0.085 R)
• M47: 10,615,764 km (0.089 R)
• M48: 11,694,814 km (0.115 R)
• M49: 11,832,144 km (0.082 R)
• M50: 11,914,872 km (0.106 R)
• M51: 12,053,100 km (0.073 R)
• M52: 12,695,623 km (0.05 R)
• M53: 13,349,216 km (0.115 R)
• M54: 13,868,471 km (0.106 R)
• M55: 14,541,511 km (0.036 R)
• M56: 14,748,555 km (0.039 R)
• M57: 14,867,186 km (0.116 R)
• M58: 15,195,254 km (0.051 R)
• M59: 15,858,721 km (0.095 R)
• M60: 16,439,160 km (0.075 R)
• M61: 17,026,631 km (0.091 R)
• M62: 17,558,003 km (0.114 R)
• M63: 18,413,254 km (0.064 R)
• M64: 18,797,720 km (0.087 R)
• M65: 19,314,431 km (0.116 R)
• M66: 19,966,977 km (0.119 R)
• M67: 20,065,413 km (0.098 R)
• M68: 20,593,493 km (0.067 R)
• M69: 21,059,341 km (0.042 R)
• M70: 21,494,970 km (0.109 R)
• M71: 21,865,973 km (0.082 R)
• M72: 21,933,591 km (0.094 R)
• M73: 22,103,085 km (0.118 R)
• M74: 22,511,787 km (0.117 R)
• M75: 22,751,143 km (0.052 R)
• M76: 22,991,547 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.1

Radius: 9.6

Gravity: 3.68 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 2.33 AU - 3.11 AU

Year: 2943 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 65,277,961 km

• M1: 170,093 km (0.026 R)
• M2: 267,930 km (0.073 R)
• M3: 364,121 km (0.083 R)
• M4: 454,628 km (0.083 R)
• M5: 584,180 km (0.062 R)
• M6: 646,113 km (0.034 R)
• M7: 1,048,531 km (0.059 R)
• M8: 1,116,150 km (0.026 R)
• M9: 1,185,414 km (0.103 R)
• M10: 1,266,346 km (0.074 R)
• M11: 1,466,358 km (0.039 R)
• M12: 1,564,794 km (0.101 R)
• M13: 1,745,209 km (0.049 R)
• M14: 1,861,596 km (0.076 R)
• M15: 2,102,299 km (0.088 R)
• M16: 2,289,446 km (0.104 R)
• M17: 3,050,151 km (0.088 R)
• M18: 3,177,010 km (0.097 R)
• M19: 3,421,602 km (0.048 R)
• M20: 3,553,548 km (0.118 R)
• M21: 3,672,329 km (0.09 R)
• M22: 3,913,779 km (0.064 R)
• M23: 4,098,383 km (0.071 R)
• M24: 4,396,532 km (0.067 R)
• M25: 4,476,267 km (0.059 R)
• M26: 5,282,151 km (0.101 R)
• M27: 5,435,040 km (0.109 R)
• M28: 6,419,394 km (0.108 R)
• M29: 6,546,253 km (0.102 R)
• M30: 6,821,065 km (0.113 R)
• M31: 6,950,616 km (0.085 R)
• M32: 7,099,616 km (0.118 R)
• M33: 7,249,662 km (0.104 R)
• M34: 7,495,901 km (0.032 R)
• M35: 7,572,195 km (0.097 R)
• M36: 8,093,993 km (0.1 R)
• M37: 8,231,324 km (0.077 R)
• M38: 8,349,506 km (0.032 R)
• M39: 8,647,505 km (0.072 R)
• M40: 9,050,372 km (0.083 R)
• M41: 9,111,408 km (0.055 R)
• M42: 9,418,233 km (0.096 R)
• M43: 10,063,299 km (0.103 R)
• M44: 10,743,969 km (0.055 R)
• M45: 11,859,521 km (0.114 R)
• M46: 11,970,822 km (0.118 R)
• M47: 12,262,089 km (0.075 R)
• M48: 12,646,256 km (0.093 R)
• M49: 12,874,243 km (0.071 R)
• M50: 12,942,909 km (0.037 R)
• M51: 13,241,656 km (0.098 R)
• M52: 14,412,259 km (0.119 R)
• M53: 14,507,254 km (0.068 R)
• M54: 14,913,711 km (0.072 R)
• M55: 15,033,988 km (0.109 R)
• M56: 15,202,734 km (0.062 R)
• M57: 15,445,232 km (0.118 R)
• M58: 15,566,855 km (0.07 R)
• M59: 15,737,696 km (0.062 R)
• M60: 15,811,149 km (0.103 R)
• M61: 15,884,601 km (0.089 R)
• M62: 16,007,421 km (0.077 R)
• M63: 16,254,108 km (0.032 R)
• M64: 16,501,842 km (0.115 R)
• M65: 16,626,307 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.26 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 455.8

Radius: 6.2

Gravity: 11.86 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 4.86 AU - 7.66 AU

Year: 10275 Days

Day: 19 Hours

Environment

Temp: -215 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 65,277,961 km

• M1: 132,993 km (0.108 R)
• M2: 225,444 km (0.091 R)
• M3: 298,149 km (0.032 R)
• M4: 510,428 km (0.096 R)
• M5: 749,635 km (0.11 R)
• M6: 814,710 km (0.083 R)
• M7: 1,021,454 km (0.11 R)
• M8: 1,187,358 km (0.064 R)
• M9: 1,462,618 km (0.098 R)
• M10: 2,070,734 km (0.092 R)
• M11: 2,401,195 km (0.108 R)
• M12: 2,548,101 km (0.077 R)
• M13: 3,298,184 km (0.039 R)
• M14: 3,571,799 km (0.063 R)
• M15: 3,767,772 km (0.084 R)
• M16: 4,799,249 km (0.074 R)
• M17: 5,109,216 km (0.08 R)
• M18: 5,266,593 km (0.074 R)
• M19: 5,330,023 km (0.106 R)
• M20: 6,345,044 km (0.118 R)
• M21: 6,548,348 km (0.097 R)
• M22: 6,719,488 km (0.115 R)
• M23: 6,926,681 km (0.114 R)
• M24: 7,135,968 km (0.053 R)
• M25: 8,397,976 km (0.07 R)
• M26: 8,733,524 km (0.1 R)
• M27: 8,884,019 km (0.096 R)
• M28: 9,035,412 km (0.032 R)
• M29: 9,149,555 km (0.097 R)
• M30: 10,119,099 km (0.064 R)
• M31: 10,197,937 km (0.037 R)
• M32: 10,356,511 km (0.107 R)
• M33: 10,837,169 km (0.06 R)
• M34: 11,080,116 km (0.096 R)
• M35: 13,869,368 km (0.11 R)
• M36: 13,957,182 km (0.115 R)
• M37: 14,001,014 km (0.095 R)
• M38: 14,089,127 km (0.054 R)
• M39: 14,621,097 km (0.098 R)
• M40: 15,159,799 km (0.093 R)
• M41: 15,979,895 km (0.106 R)
• M42: 16,441,704 km (0.1 R)
• M43: 16,627,654 km (0.117 R)
• M44: 18,236,280 km (0.116 R)
• M45: 19,254,443 km (0.043 R)
• M46: 20,042,524 km (0.071 R)
• M47: 20,390,489 km (0.061 R)
• M48: 20,590,352 km (0.044 R)
• M49: 21,446,800 km (0.109 R)
• M50: 22,263,454 km (0.109 R)
• M51: 22,572,224 km (0.118 R)
• M52: 23,979,641 km (0.102 R)
• M53: 24,137,616 km (0.08 R)
• M54: 25,040,290 km (0.051 R)
• M55: 25,307,771 km (0.093 R)
• M56: 26,116,198 km (0.086 R)
• M57: 26,170,352 km (0.041 R)
• M58: 26,550,780 km (0.061 R)
• M59: 27,261,968 km (0.12 R)
• M60: 27,427,124 km (0.064 R)
• M61: 28,368,543 km (0.106 R)
• M62: 28,927,291 km (0.075 R)
• M63: 29,715,523 km (0.094 R)
• M64: 30,112,406 km (0.114 R)
• M65: 30,282,947 km (0.103 R)
• M66: 30,396,941 km (0.115 R)
• M67: 30,568,081 km (0.07 R)
• M68: 31,313,378 km (0.074 R)
• M69: 31,717,142 km (0.113 R)
• M70: 31,832,781 km (0.118 R)
• M71: 33,173,328 km (0.1 R)
• M72: 33,290,762 km (0.086 R)
• M73: 33,702,755 km (0.092 R)
• M74: 34,116,542 km (0.084 R)
• M75: 34,353,805 km (0.051 R)
• M76: 34,770,285 km (0.073 R)
• M77: 34,829,825 km (0.097 R)
• M78: 34,949,204 km (0.057 R)
• M79: 35,248,250 km (0.051 R)
• M80: 35,428,067 km (0.085 R)
• M81: 35,488,056 km (0.099 R)
• M82: 35,668,172 km (0.042 R)
• M83: 37,793,060 km (0.117 R)
• M84: 37,977,065 km (0.088 R)
• M85: 38,222,854 km (0.105 R)
• M86: 38,345,973 km (0.071 R)
• M87: 40,459,043 km (0.078 R)
• M88: 41,277,044 km (0.102 R)
• M89: 41,973,273 km (0.115 R)
• M90: 42,163,861 km (0.108 R)
• M91: 42,354,748 km (0.115 R)
• M92: 42,545,934 km (0.091 R)

Asteroid Belt

Center: 7.71 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 9.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 523.1

Radius: 7.3

Gravity: 9.82 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 8.51 AU - 9.81 AU

Year: 18187 Days

Day: 22.6 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 65,277,961 km

• M1: 137,480 km (0.093 R)
• M2: 631,901 km (0.076 R)
• M3: 755,020 km (0.104 R)
• M4: 931,546 km (0.11 R)
• M5: 1,538,165 km (0.093 R)
• M6: 1,734,887 km (0.078 R)
• M7: 2,214,348 km (0.087 R)
• M8: 2,372,323 km (0.104 R)
• M9: 2,800,622 km (0.101 R)
• M10: 3,360,267 km (0.096 R)
• M11: 4,579,490 km (0.106 R)
• M12: 4,700,365 km (0.099 R)
• M13: 5,319,999 km (0.089 R)
• M14: 5,404,522 km (0.099 R)
• M15: 5,747,251 km (0.12 R)
• M16: 5,877,700 km (0.107 R)
• M17: 6,097,160 km (0.077 R)
• M18: 6,817,325 km (0.103 R)
• M19: 7,187,579 km (0.073 R)
• M20: 7,234,403 km (0.03 R)
• M21: 7,611,988 km (0.087 R)
• M22: 7,899,366 km (0.064 R)
• M23: 9,338,049 km (0.069 R)
• M24: 11,946,288 km (0.079 R)
• M25: 12,673,782 km (0.096 R)
• M26: 13,185,706 km (0.077 R)
• M27: 14,465,516 km (0.11 R)
• M28: 14,643,088 km (0.104 R)
• M29: 15,000,478 km (0.067 R)
• M30: 15,060,317 km (0.08 R)
• M31: 15,481,435 km (0.083 R)
• M32: 16,705,893 km (0.071 R)
• M33: 18,024,599 km (0.06 R)
• M34: 19,246,364 km (0.097 R)
• M35: 19,311,440 km (0.073 R)
• M36: 21,162,264 km (0.056 R)
• M37: 22,176,688 km (0.099 R)
• M38: 22,793,031 km (0.082 R)
• M39: 23,068,889 km (0.099 R)
• M40: 23,207,118 km (0.092 R)
• M41: 23,693,311 km (0.111 R)
• M42: 24,112,634 km (0.04 R)
• M43: 24,675,720 km (0.049 R)
• M44: 25,171,787 km (0.05 R)
• M45: 25,528,278 km (0.112 R)
• M46: 26,318,305 km (0.043 R)
• M47: 29,033,955 km (0.031 R)
• M48: 29,183,253 km (0.095 R)
• M49: 31,300,512 km (0.113 R)
• M50: 33,544,929 km (0.06 R)
• M51: 33,779,947 km (0.085 R)
• M52: 34,963,865 km (0.087 R)
• M53: 35,281,910 km (0.071 R)
• M54: 36,402,398 km (0.057 R)
• M55: 36,482,882 km (0.06 R)
• M56: 36,966,980 km (0.076 R)
• M57: 37,128,845 km (0.038 R)
• M58: 37,615,786 km (0.114 R)
• M59: 39,007,046 km (0.098 R)
• M60: 39,089,475 km (0.031 R)
• M61: 39,584,793 km (0.103 R)
• M62: 39,916,302 km (0.072 R)
• M63: 40,331,885 km (0.095 R)
• M64: 40,415,062 km (0.077 R)
• M65: 40,498,388 km (0.09 R)
• M66: 40,916,065 km (0.094 R)
• M67: 40,999,690 km (0.082 R)
• M68: 42,346,520 km (0.089 R)
• M69: 42,600,537 km (0.11 R)
• M70: 45,169,581 km (0.11 R)
• M71: 46,298,297 km (0.051 R)
• M72: 46,385,513 km (0.077 R)
• M73: 46,822,488 km (0.087 R)
• M74: 47,172,846 km (0.119 R)
• M75: 48,672,116 km (0.112 R)
• M76: 51,446,109 km (0.078 R)
• M77: 52,351,924 km (0.09 R)
• M78: 54,731,279 km (0.076 R)
• M79: 55,100,486 km (0.049 R)
• M80: 55,377,990 km (0.085 R)
• M81: 56,585,544 km (0.106 R)
• M82: 57,614,030 km (0.094 R)
• M83: 58,083,617 km (0.113 R)
• M84: 58,366,058 km (0.094 R)
• M85: 58,743,194 km (0.11 R)
• M86: 58,837,591 km (0.098 R)
• M87: 60,260,117 km (0.084 R)
• M88: 60,450,555 km (0.101 R)
• M89: 60,832,179 km (0.078 R)
• M90: 61,214,551 km (0.083 R)
• M91: 62,078,030 km (0.047 R)
• M92: 65,180,241 km (0.099 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 499 - 14,150 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit