🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 2.11 AU - 2.75 AU

Year: 1405 Days

Day: 39.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 103,945,858 km

• M1: 336,296 km (0.096 R)
• M2: 791,373 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.9

Radius: 13.6

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 7.99 AU - 9.83 AU

Year: 9863 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 103,945,858 km

• M1: 213,626 km (0.087 R)
• M2: 389,104 km (0.083 R)
• M3: 498,909 km (0.081 R)
• M4: 652,097 km (0.11 R)
• M5: 941,270 km (0.118 R)
• M6: 1,120,488 km (0.064 R)
• M7: 1,233,883 km (0.117 R)
• M8: 1,331,571 km (0.05 R)
• M9: 1,619,696 km (0.05 R)
• M10: 1,860,549 km (0.085 R)
• M11: 2,304,555 km (0.055 R)
• M12: 3,045,663 km (0.102 R)
• M13: 3,428,933 km (0.097 R)
• M14: 3,712,271 km (0.091 R)
• M15: 4,062,480 km (0.092 R)
• M16: 4,484,795 km (0.071 R)
• M17: 4,732,529 km (0.1 R)
• M18: 4,826,626 km (0.095 R)
• M19: 5,568,930 km (0.101 R)
• M20: 5,869,173 km (0.038 R)
• M21: 6,590,385 km (0.099 R)
• M22: 6,695,851 km (0.116 R)
• M23: 7,559,031 km (0.103 R)
• M24: 7,854,487 km (0.061 R)
• M25: 8,191,680 km (0.117 R)
• M26: 8,305,075 km (0.066 R)
• M27: 8,764,042 km (0.113 R)
• M28: 8,957,771 km (0.112 R)
• M29: 9,349,568 km (0.114 R)
• M30: 9,867,176 km (0.061 R)
• M31: 10,723,325 km (0.107 R)
• M32: 11,055,582 km (0.052 R)
• M33: 11,773,352 km (0.053 R)
• M34: 12,855,992 km (0.041 R)
• M35: 14,516,529 km (0.101 R)
• M36: 15,348,442 km (0.072 R)
• M37: 15,676,211 km (0.098 R)
• M38: 15,911,828 km (0.112 R)
• M39: 16,865,814 km (0.053 R)
• M40: 17,349,763 km (0.091 R)
• M41: 17,495,770 km (0.047 R)
• M42: 17,740,213 km (0.079 R)
• M43: 18,928,918 km (0.083 R)
• M44: 19,482,430 km (0.066 R)
• M45: 19,634,272 km (0.061 R)
• M46: 20,656,773 km (0.106 R)
• M47: 21,591,909 km (0.064 R)
• M48: 21,749,137 km (0.119 R)
• M49: 24,315,788 km (0.062 R)
• M50: 24,807,665 km (0.061 R)
• M51: 24,917,321 km (0.119 R)
• M52: 25,302,685 km (0.102 R)
• M53: 27,033,233 km (0.108 R)
• M54: 28,513,803 km (0.04 R)
• M55: 30,196,181 km (0.079 R)
• M56: 30,372,108 km (0.115 R)
• M57: 32,030,101 km (0.039 R)
• M58: 32,990,669 km (0.084 R)
• M59: 33,413,881 km (0.026 R)
• M60: 33,778,152 km (0.052 R)
• M61: 33,960,811 km (0.049 R)
• M62: 34,143,620 km (0.12 R)
• M63: 34,571,769 km (0.12 R)
• M64: 34,940,228 km (0.047 R)
• M65: 35,309,885 km (0.086 R)
• M66: 35,928,921 km (0.04 R)
• M67: 37,052,251 km (0.11 R)
• M68: 37,555,199 km (0.113 R)
• M69: 38,060,391 km (0.092 R)
• M70: 39,013,629 km (0.036 R)
• M71: 39,525,403 km (0.061 R)
• M72: 40,555,384 km (0.106 R)
• M73: 40,943,890 km (0.119 R)
• M74: 41,333,742 km (0.105 R)
• M75: 42,707,649 km (0.06 R)
• M76: 43,168,859 km (0.078 R)
• M77: 43,433,199 km (0.08 R)
• M78: 44,696,253 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.2

Radius: 8.4

Gravity: 13.45 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.29 AU - 10.85 AU

Year: 10130 Days

Day: 7.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 103,945,858 km

• M1: 193,580 km (0.09 R)
• M2: 268,229 km (0.076 R)
• M3: 412,441 km (0.084 R)
• M4: 487,390 km (0.082 R)
• M5: 1,630,168 km (0.102 R)
• M6: 1,987,408 km (0.111 R)
• M7: 2,093,921 km (0.112 R)
• M8: 2,147,926 km (0.107 R)
• M9: 2,312,933 km (0.069 R)
• M10: 2,368,733 km (0.094 R)
• M11: 2,597,019 km (0.096 R)
• M12: 2,743,326 km (0.082 R)
• M13: 3,167,436 km (0.093 R)
• M14: 3,677,415 km (0.037 R)
• M15: 4,247,084 km (0.11 R)
• M16: 4,772,621 km (0.117 R)
• M17: 5,024,843 km (0.081 R)
• M18: 5,731,543 km (0.108 R)
• M19: 5,807,838 km (0.072 R)
• M20: 6,429,716 km (0.104 R)
• M21: 7,072,539 km (0.028 R)
• M22: 7,401,803 km (0.113 R)
• M23: 7,989,873 km (0.1 R)
• M24: 8,117,928 km (0.073 R)
• M25: 8,462,452 km (0.102 R)
• M26: 8,811,913 km (0.093 R)
• M27: 9,166,161 km (0.072 R)
• M28: 9,255,321 km (0.091 R)
• M29: 9,344,930 km (0.032 R)
• M30: 10,722,727 km (0.117 R)
• M31: 11,005,915 km (0.098 R)
• M32: 11,243,776 km (0.103 R)
• M33: 12,606,912 km (0.052 R)
• M34: 12,855,843 km (0.112 R)
• M35: 13,510,483 km (0.065 R)
• M36: 14,021,509 km (0.107 R)
• M37: 14,176,044 km (0.095 R)
• M38: 15,485,773 km (0.093 R)
• M39: 16,074,142 km (0.116 R)
• M40: 16,127,997 km (0.11 R)
• M41: 16,506,779 km (0.11 R)
• M42: 17,715,978 km (0.049 R)
• M43: 18,387,523 km (0.087 R)
• M44: 19,755,596 km (0.111 R)
• M45: 21,038,248 km (0.056 R)
• M46: 21,097,189 km (0.078 R)
• M47: 22,167,562 km (0.115 R)
• M48: 22,709,256 km (0.081 R)
• M49: 23,560,767 km (0.102 R)
• M50: 23,805,958 km (0.088 R)
• M51: 24,051,897 km (0.102 R)
• M52: 26,177,084 km (0.085 R)
• M53: 27,069,436 km (0.068 R)
• M54: 27,133,613 km (0.112 R)
• M55: 27,261,968 km (0.111 R)
• M56: 27,777,632 km (0.108 R)
• M57: 28,361,662 km (0.109 R)
• M58: 29,806,029 km (0.101 R)
• M59: 30,403,822 km (0.099 R)
• M60: 30,470,543 km (0.076 R)
• M61: 31,207,013 km (0.052 R)
• M62: 31,274,332 km (0.081 R)
• M63: 31,476,290 km (0.072 R)
• M64: 31,949,468 km (0.099 R)
• M65: 32,492,957 km (0.085 R)
• M66: 33,796,253 km (0.119 R)
• M67: 34,419,478 km (0.065 R)
• M68: 35,186,466 km (0.08 R)
• M69: 35,256,478 km (0.107 R)
• M70: 35,396,502 km (0.077 R)
• M71: 35,677,447 km (0.104 R)
• M72: 36,666,139 km (0.064 R)
• M73: 37,021,434 km (0.069 R)
• M74: 38,310,070 km (0.045 R)
• M75: 38,887,368 km (0.12 R)
• M76: 39,904,783 km (0.083 R)
• M77: 40,343,554 km (0.07 R)
• M78: 40,636,915 km (0.115 R)
• M79: 41,447,287 km (0.09 R)
• M80: 41,965,793 km (0.12 R)
• M81: 43,158,836 km (0.115 R)
• M82: 45,045,415 km (0.078 R)
• M83: 45,273,552 km (0.099 R)
• M84: 45,578,432 km (0.087 R)
• M85: 45,731,171 km (0.04 R)
• M86: 50,864,174 km (0.069 R)
• M87: 51,022,598 km (0.12 R)
• M88: 52,215,641 km (0.052 R)
• M89: 53,096,323 km (0.116 R)
• M90: 53,659,410 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.8

Radius: 12.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.48 AU - 10.78 AU

Year: 11957 Days

Day: 6.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 103,945,858 km

• M1: 238,609 km (0.051 R)
• M2: 694,733 km (0.042 R)
• M3: 849,866 km (0.076 R)
• M4: 983,157 km (0.094 R)
• M5: 1,329,476 km (0.111 R)
• M6: 1,487,003 km (0.083 R)
• M7: 1,692,850 km (0.063 R)
• M8: 2,110,527 km (0.082 R)
• M9: 2,367,237 km (0.093 R)
• M10: 2,708,918 km (0.057 R)
• M11: 3,412,477 km (0.095 R)
• M12: 3,687,288 km (0.103 R)
• M13: 3,827,462 km (0.101 R)
• M14: 3,912,284 km (0.101 R)
• M15: 4,258,603 km (0.074 R)
• M16: 4,919,077 km (0.087 R)
• M17: 6,002,615 km (0.041 R)
• M18: 6,335,171 km (0.109 R)
• M19: 6,845,299 km (0.077 R)
• M20: 7,122,953 km (0.115 R)
• M21: 7,510,561 km (0.119 R)
• M22: 7,941,553 km (0.102 R)
• M23: 8,233,268 km (0.097 R)
• M24: 8,603,074 km (0.074 R)
• M25: 8,902,719 km (0.089 R)
• M26: 9,861,492 km (0.061 R)
• M27: 10,057,166 km (0.096 R)
• M28: 10,214,692 km (0.115 R)
• M29: 11,095,674 km (0.118 R)
• M30: 13,058,398 km (0.099 R)
• M31: 13,273,520 km (0.097 R)
• M32: 14,101,544 km (0.095 R)
• M33: 15,081,261 km (0.105 R)
• M34: 15,216,497 km (0.101 R)
• M35: 15,899,112 km (0.119 R)
• M36: 16,498,700 km (0.041 R)
• M37: 17,011,971 km (0.105 R)
• M38: 17,435,781 km (0.083 R)
• M39: 18,102,090 km (0.113 R)
• M40: 18,245,854 km (0.114 R)
• M41: 18,825,097 km (0.079 R)
• M42: 19,410,324 km (0.098 R)
• M43: 19,803,916 km (0.081 R)
• M44: 19,902,650 km (0.081 R)
• M45: 22,425,469 km (0.111 R)
• M46: 22,683,226 km (0.078 R)
• M47: 23,724,278 km (0.078 R)
• M48: 24,409,286 km (0.109 R)
• M49: 25,047,471 km (0.099 R)
• M50: 26,394,450 km (0.088 R)
• M51: 26,557,661 km (0.112 R)
• M52: 28,263,975 km (0.112 R)
• M53: 28,710,075 km (0.05 R)
• M54: 28,989,973 km (0.108 R)
• M55: 30,631,810 km (0.117 R)
• M56: 31,147,473 km (0.101 R)
• M57: 31,665,980 km (0.053 R)
• M58: 31,839,513 km (0.119 R)
• M59: 31,955,302 km (0.078 R)
• M60: 32,419,953 km (0.104 R)
• M61: 32,828,505 km (0.11 R)
• M62: 33,473,870 km (0.1 R)
• M63: 33,768,578 km (0.105 R)
• M64: 33,945,702 km (0.079 R)
• M65: 34,360,537 km (0.116 R)
• M66: 34,479,317 km (0.107 R)
• M67: 35,374,810 km (0.045 R)
• M68: 35,675,053 km (0.052 R)
• M69: 37,006,025 km (0.109 R)
• M70: 37,188,834 km (0.116 R)
• M71: 38,599,841 km (0.117 R)
• M72: 38,847,126 km (0.097 R)
• M73: 41,664,204 km (0.058 R)
• M74: 42,108,360 km (0.086 R)
• M75: 42,362,826 km (0.112 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 984.2

Radius: 6.2

Gravity: 25.6 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 16 AU - 17.16 AU

Year: 25037 Days

Day: 18.2 Hours

Environment

Temp: -190 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 103,945,858 km

• M1: 80,184 km (0.113 R)
• M2: 135,536 km (0.097 R)
• M3: 224,846 km (0.094 R)
• M4: 1,505,254 km (0.093 R)
• M5: 2,331,932 km (0.1 R)
• M6: 2,546,605 km (0.09 R)
• M7: 2,590,287 km (0.113 R)
• M8: 4,014,160 km (0.1 R)
• M9: 4,428,396 km (0.06 R)
• M10: 4,640,526 km (0.114 R)
• M11: 4,965,153 km (0.078 R)
• M12: 5,020,056 km (0.108 R)
• M13: 5,465,857 km (0.091 R)
• M14: 5,808,586 km (0.076 R)
• M15: 6,574,677 km (0.028 R)
• M16: 7,000,432 km (0.112 R)
• M17: 7,185,635 km (0.048 R)
• M18: 8,006,478 km (0.108 R)
• M19: 8,460,807 km (0.118 R)
• M20: 9,258,911 km (0.072 R)
• M21: 9,873,160 km (0.115 R)
• M22: 10,289,940 km (0.05 R)
• M23: 11,501,982 km (0.11 R)
• M24: 11,940,453 km (0.111 R)
• M25: 12,235,759 km (0.096 R)
• M26: 12,683,356 km (0.086 R)
• M27: 13,902,729 km (0.107 R)
• M28: 15,398,707 km (0.056 R)
• M29: 15,478,892 km (0.087 R)
• M30: 15,559,226 km (0.09 R)
• M31: 16,206,536 km (0.046 R)
• M32: 16,288,067 km (0.055 R)
• M33: 16,369,597 km (0.101 R)
• M34: 16,615,536 km (0.091 R)
• M35: 17,193,882 km (0.096 R)
• M36: 17,360,235 km (0.059 R)
• M37: 17,610,961 km (0.075 R)
• M38: 18,882,243 km (0.052 R)
• M39: 21,871,358 km (0.063 R)
• M40: 22,504,756 km (0.113 R)
• M41: 24,534,649 km (0.042 R)
• M42: 25,098,184 km (0.062 R)
• M43: 25,381,672 km (0.11 R)
• M44: 26,430,054 km (0.12 R)
• M45: 27,687,125 km (0.094 R)
• M46: 30,158,781 km (0.061 R)
• M47: 30,460,071 km (0.068 R)
• M48: 31,777,280 km (0.117 R)
• M49: 33,527,725 km (0.101 R)
• M50: 35,626,733 km (0.094 R)
• M51: 35,732,798 km (0.068 R)
• M52: 37,767,927 km (0.109 R)
• M53: 39,181,926 km (0.111 R)
• M54: 39,840,307 km (0.107 R)
• M55: 40,281,321 km (0.115 R)
• M56: 40,834,833 km (0.081 R)
• M57: 41,613,939 km (0.081 R)
• M58: 41,725,688 km (0.083 R)
• M59: 45,928,491 km (0.108 R)
• M60: 46,390,748 km (0.081 R)
• M61: 47,203,663 km (0.057 R)
• M62: 47,670,259 km (0.053 R)
• M63: 49,315,387 km (0.118 R)
• M64: 49,670,233 km (0.081 R)
• M65: 51,337,950 km (0.046 R)
• M66: 52,660,994 km (0.098 R)
• M67: 53,023,768 km (0.114 R)
• M68: 54,727,688 km (0.076 R)
• M69: 55,095,101 km (0.094 R)
• M70: 56,325,992 km (0.118 R)
• M71: 57,192,912 km (0.086 R)
• M72: 57,441,394 km (0.09 R)
• M73: 61,211,858 km (0.091 R)
• M74: 61,848,098 km (0.08 R)
• M75: 63,255,216 km (0.093 R)
• M76: 63,640,879 km (0.102 R)
• M77: 64,285,347 km (0.099 R)
• M78: 65,450,864 km (0.032 R)
• M79: 67,277,603 km (0.086 R)
• M80: 68,988,704 km (0.109 R)
• M81: 69,120,948 km (0.046 R)
• M82: 70,314,889 km (0.052 R)
• M83: 72,319,650 km (0.108 R)
• M84: 73,261,668 km (0.115 R)
• M85: 73,531,542 km (0.075 R)
• M86: 80,524,345 km (0.071 R)
• M87: 81,221,322 km (0.047 R)
• M88: 84,028,825 km (0.082 R)
• M89: 84,594,155 km (0.109 R)
• M90: 90,895,666 km (0.099 R)
• M91: 91,621,216 km (0.079 R)
• M92: 93,663,077 km (0.105 R)
• M93: 97,346,326 km (0.06 R)
• M94: 99,578,925 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 18.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 828.8

Radius: 7.6

Gravity: 14.35 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 15.34 AU - 21.26 AU

Year: 29032 Days

Day: 21 Hours

Environment

Temp: -210 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 103,945,858 km

• M1: 111,600 km (0.109 R)
• M2: 248,482 km (0.114 R)
• M3: 324,777 km (0.105 R)
• M4: 433,385 km (0.047 R)
• M5: 661,372 km (0.082 R)
• M6: 774,468 km (0.084 R)
• M7: 863,778 km (0.058 R)
• M8: 1,119,142 km (0.048 R)
• M9: 1,255,575 km (0.06 R)
• M10: 1,361,640 km (0.115 R)
• M11: 1,507,797 km (0.073 R)
• M12: 2,668,078 km (0.045 R)
• M13: 3,231,912 km (0.068 R)
• M14: 3,329,450 km (0.108 R)
• M15: 4,091,801 km (0.08 R)
• M16: 4,465,646 km (0.116 R)
• M17: 4,574,404 km (0.068 R)
• M18: 5,018,560 km (0.07 R)
• M19: 5,188,653 km (0.112 R)
• M20: 6,127,678 km (0.077 R)
• M21: 6,741,030 km (0.112 R)
• M22: 7,181,895 km (0.035 R)
• M23: 8,291,163 km (0.099 R)
• M24: 10,303,404 km (0.064 R)
• M25: 10,810,840 km (0.084 R)
• M26: 12,076,587 km (0.08 R)
• M27: 12,765,635 km (0.075 R)
• M28: 13,232,081 km (0.072 R)
• M29: 15,646,441 km (0.072 R)
• M30: 17,673,492 km (0.092 R)
• M31: 18,893,613 km (0.061 R)
• M32: 19,070,138 km (0.116 R)
• M33: 19,158,551 km (0.085 R)
• M34: 22,432,949 km (0.087 R)
• M35: 23,942,840 km (0.107 R)
• M36: 24,229,619 km (0.07 R)
• M37: 25,485,344 km (0.077 R)
• M38: 27,658,253 km (0.119 R)
• M39: 27,858,714 km (0.118 R)
• M40: 28,766,773 km (0.074 R)
• M41: 29,479,607 km (0.118 R)
• M42: 30,922,927 km (0.079 R)
• M43: 31,026,898 km (0.109 R)
• M44: 31,863,000 km (0.076 R)
• M45: 33,024,478 km (0.112 R)
• M46: 35,171,656 km (0.114 R)
• M47: 35,824,651 km (0.052 R)
• M48: 35,933,857 km (0.083 R)
• M49: 36,043,213 km (0.085 R)
• M50: 38,252,774 km (0.079 R)
• M51: 38,811,971 km (0.056 R)
• M52: 39,825,347 km (0.078 R)
• M53: 41,075,835 km (0.112 R)
• M54: 44,082,154 km (0.056 R)
• M55: 45,139,213 km (0.088 R)
• M56: 45,257,245 km (0.112 R)
• M57: 46,204,649 km (0.095 R)
• M58: 47,518,118 km (0.089 R)
• M59: 47,638,096 km (0.092 R)
• M60: 48,119,202 km (0.114 R)
• M61: 49,207,377 km (0.11 R)
• M62: 49,328,851 km (0.048 R)
• M63: 51,162,023 km (0.106 R)
• M64: 55,020,601 km (0.12 R)
• M65: 57,176,157 km (0.106 R)
• M66: 57,815,239 km (0.07 R)
• M67: 60,785,953 km (0.079 R)
• M68: 61,830,894 km (0.025 R)
• M69: 63,673,641 km (0.098 R)
• M70: 63,806,035 km (0.105 R)
• M71: 64,203,517 km (0.111 R)
• M72: 69,581,560 km (0.103 R)
• M73: 69,854,277 km (0.108 R)
• M74: 71,360,428 km (0.119 R)
• M75: 71,773,019 km (0.026 R)
• M76: 72,877,052 km (0.064 R)
• M77: 73,431,312 km (0.084 R)
• M78: 73,986,918 km (0.096 R)
• M79: 76,363,579 km (0.106 R)
• M80: 81,048,386 km (0.087 R)
• M81: 82,053,983 km (0.039 R)
• M82: 85,241,316 km (0.117 R)
• M83: 87,290,657 km (0.039 R)
• M84: 88,468,890 km (0.113 R)
• M85: 89,504,256 km (0.048 R)
• M86: 91,437,659 km (0.104 R)
• M87: 92,334,648 km (0.116 R)
• M88: 93,234,629 km (0.061 R)
• M89: 93,685,667 km (0.109 R)
• M90: 94,589,836 km (0.119 R)
• M91: 95,194,361 km (0.063 R)
• M92: 95,648,540 km (0.026 R)
• M93: 99,154,366 km (0.108 R)
• M94: 99,614,829 km (0.088 R)
• M95: 101,000,254 km (0.118 R)
• M96: 101,463,409 km (0.051 R)
• M97: 102,391,963 km (0.119 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 435 - 11,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit