🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.6

Radius: 12

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.96 AU

Year: 476 Days

Day: 8.9 Hours

Environment

Temp: -159 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 76,650,634 km

• M1: 156,629 km (0.059 R)
• M2: 235,766 km (0.064 R)
• M3: 338,390 km (0.06 R)
• M4: 450,738 km (0.118 R)
• M5: 587,022 km (0.101 R)
• M6: 671,694 km (0.103 R)
• M7: 774,169 km (0.101 R)
• M8: 1,036,264 km (0.096 R)
• M9: 1,209,648 km (0.062 R)
• M10: 1,321,847 km (0.102 R)
• M11: 1,443,171 km (0.109 R)
• M12: 1,585,887 km (0.119 R)
• M13: 1,703,621 km (0.106 R)
• M14: 1,812,229 km (0.117 R)
• M15: 1,923,230 km (0.076 R)
• M16: 2,030,193 km (0.051 R)
• M17: 2,113,369 km (0.093 R)
• M18: 2,191,310 km (0.078 R)
• M19: 2,303,358 km (0.092 R)
• M20: 2,519,527 km (0.084 R)
• M21: 2,595,523 km (0.083 R)
• M22: 2,672,117 km (0.11 R)
• M23: 2,943,039 km (0.075 R)
• M24: 3,052,545 km (0.081 R)
• M25: 3,133,776 km (0.082 R)
• M26: 3,366,401 km (0.097 R)
• M27: 3,496,401 km (0.086 R)
• M28: 3,581,523 km (0.08 R)
• M29: 3,690,729 km (0.092 R)
• M30: 3,848,854 km (0.119 R)
• M31: 3,985,138 km (0.063 R)
• M32: 4,130,996 km (0.059 R)
• M33: 4,278,798 km (0.084 R)
• M34: 4,655,935 km (0.1 R)
• M35: 4,758,409 km (0.12 R)
• M36: 4,852,955 km (0.046 R)
• M37: 4,991,632 km (0.096 R)
• M38: 5,070,171 km (0.088 R)
• M39: 5,184,464 km (0.092 R)
• M40: 5,370,863 km (0.039 R)
• M41: 5,550,530 km (0.076 R)
• M42: 5,659,287 km (0.051 R)
• M43: 5,851,371 km (0.06 R)
• M44: 6,129,474 km (0.099 R)
• M45: 6,213,847 km (0.081 R)
• M46: 6,488,060 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.7

Radius: 9.2

Gravity: 4.98 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 0.83 AU - 0.85 AU

Year: 522 Days

Day: 6.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (47)

Outer Limit: 76,650,634 km

• M1: 125,662 km (0.081 R)
• M2: 188,344 km (0.094 R)
• M3: 298,897 km (0.108 R)
• M4: 425,756 km (0.098 R)
• M5: 576,700 km (0.091 R)
• M6: 812,167 km (0.118 R)
• M7: 875,896 km (0.06 R)
• M8: 945,907 km (0.104 R)
• M9: 1,031,627 km (0.117 R)
• M10: 1,177,485 km (0.052 R)
• M11: 1,320,201 km (0.062 R)
• M12: 1,386,024 km (0.105 R)
• M13: 1,516,025 km (0.063 R)
• M14: 1,585,289 km (0.106 R)
• M15: 1,682,976 km (0.095 R)
• M16: 1,760,318 km (0.046 R)
• M17: 1,918,742 km (0.045 R)
• M18: 2,256,085 km (0.081 R)
• M19: 2,329,538 km (0.099 R)
• M20: 2,434,855 km (0.043 R)
• M21: 2,516,685 km (0.107 R)
• M22: 2,580,114 km (0.095 R)
• M23: 2,644,142 km (0.109 R)
• M24: 2,787,008 km (0.045 R)
• M25: 2,912,371 km (0.082 R)
• M26: 2,985,824 km (0.041 R)
• M27: 3,046,411 km (0.075 R)
• M28: 3,141,555 km (0.057 R)
• M29: 3,560,280 km (0.054 R)
• M30: 3,646,299 km (0.099 R)
• M31: 3,754,607 km (0.118 R)
• M32: 3,812,801 km (0.119 R)
• M33: 4,026,576 km (0.082 R)
• M34: 4,108,706 km (0.115 R)
• M35: 4,176,324 km (0.109 R)
• M36: 4,304,978 km (0.069 R)
• M37: 4,427,349 km (0.06 R)
• M38: 4,496,613 km (0.07 R)
• M39: 4,574,104 km (0.101 R)
• M40: 4,644,266 km (0.108 R)
• M41: 4,746,142 km (0.11 R)
• M42: 4,960,217 km (0.07 R)
• M43: 5,080,493 km (0.1 R)
• M44: 5,177,433 km (0.118 R)
• M45: 5,422,474 km (0.119 R)
• M46: 5,563,096 km (0.113 R)
• M47: 5,638,045 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.3

Radius: 11.1

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.84 AU - 0.9 AU

Year: 550 Days

Day: 9.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 76,650,634 km

• M1: 141,370 km (0.097 R)
• M2: 213,476 km (0.05 R)
• M3: 294,259 km (0.107 R)
• M4: 376,687 km (0.046 R)
• M5: 520,601 km (0.114 R)
• M6: 592,557 km (0.098 R)
• M7: 758,910 km (0.104 R)
• M8: 872,754 km (0.11 R)
• M9: 965,205 km (0.119 R)
• M10: 1,036,863 km (0.104 R)
• M11: 1,143,825 km (0.063 R)
• M12: 1,267,842 km (0.044 R)
• M13: 1,432,699 km (0.092 R)
• M14: 1,520,363 km (0.094 R)
• M15: 1,600,248 km (0.086 R)
• M16: 1,735,186 km (0.117 R)
• M17: 1,824,047 km (0.103 R)
• M18: 1,909,318 km (0.101 R)
• M19: 2,027,051 km (0.098 R)
• M20: 2,194,900 km (0.112 R)
• M21: 2,264,463 km (0.076 R)
• M22: 2,340,159 km (0.09 R)
• M23: 2,411,218 km (0.035 R)
• M24: 2,499,780 km (0.106 R)
• M25: 2,578,319 km (0.105 R)
• M26: 2,720,437 km (0.115 R)
• M27: 2,812,739 km (0.111 R)
• M28: 3,042,372 km (0.064 R)
• M29: 3,114,179 km (0.095 R)
• M30: 3,223,236 km (0.096 R)
• M31: 3,426,240 km (0.111 R)
• M32: 3,520,038 km (0.065 R)
• M33: 3,640,015 km (0.074 R)
• M34: 3,812,951 km (0.078 R)
• M35: 4,087,313 km (0.104 R)
• M36: 4,247,084 km (0.106 R)
• M37: 4,415,680 km (0.113 R)
• M38: 4,552,263 km (0.041 R)
• M39: 4,627,960 km (0.112 R)
• M40: 4,717,868 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 691.9

Radius: 12.2

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.73 AU - 1.03 AU

Year: 560 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 76,650,634 km

• M1: 154,983 km (0.111 R)
• M2: 245,490 km (0.116 R)
• M3: 356,641 km (0.059 R)
• M4: 438,023 km (0.078 R)
• M5: 524,191 km (0.06 R)
• M6: 638,783 km (0.114 R)
• M7: 753,973 km (0.041 R)
• M8: 886,816 km (0.095 R)
• M9: 1,002,306 km (0.094 R)
• M10: 1,210,546 km (0.099 R)
• M11: 1,398,441 km (0.107 R)
• M12: 1,499,120 km (0.106 R)
• M13: 1,602,343 km (0.053 R)
• M14: 1,707,959 km (0.111 R)
• M15: 1,907,074 km (0.068 R)
• M16: 2,033,035 km (0.057 R)
• M17: 2,216,891 km (0.119 R)
• M18: 2,363,796 km (0.113 R)
• M19: 2,442,036 km (0.112 R)
• M20: 2,594,027 km (0.061 R)
• M21: 2,922,694 km (0.119 R)
• M22: 2,999,288 km (0.047 R)
• M23: 3,209,622 km (0.063 R)
• M24: 3,296,688 km (0.04 R)
• M25: 3,554,595 km (0.112 R)
• M26: 3,644,803 km (0.077 R)
• M27: 3,769,118 km (0.118 R)
• M28: 4,013,561 km (0.086 R)
• M29: 4,473,724 km (0.101 R)
• M30: 4,642,920 km (0.108 R)
• M31: 4,732,828 km (0.076 R)
• M32: 5,042,795 km (0.118 R)
• M33: 5,350,069 km (0.12 R)
• M34: 5,567,883 km (0.118 R)
• M35: 5,653,902 km (0.06 R)
• M36: 5,740,369 km (0.086 R)
• M37: 5,827,286 km (0.09 R)
• M38: 5,963,420 km (0.092 R)
• M39: 6,090,877 km (0.075 R)
• M40: 6,229,106 km (0.115 R)
• M41: 6,398,301 km (0.108 R)
• M42: 6,629,729 km (0.096 R)
• M43: 6,710,811 km (0.04 R)
• M44: 6,812,687 km (0.061 R)
• M45: 7,028,407 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 487.7

Radius: 10.5

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 3.68 AU - 5.16 AU

Year: 6303 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 76,650,634 km

• M1: 200,012 km (0.101 R)
• M2: 390,750 km (0.087 R)
• M3: 787,034 km (0.097 R)
• M4: 962,513 km (0.107 R)
• M5: 1,320,800 km (0.12 R)
• M6: 1,548,637 km (0.073 R)
• M7: 1,667,567 km (0.111 R)
• M8: 1,754,334 km (0.075 R)
• M9: 2,154,658 km (0.053 R)
• M10: 2,268,951 km (0.03 R)
• M11: 2,444,130 km (0.106 R)
• M12: 2,787,158 km (0.091 R)
• M13: 2,912,072 km (0.035 R)
• M14: 3,124,352 km (0.078 R)
• M15: 3,297,885 km (0.062 R)
• M16: 3,430,130 km (0.092 R)
• M17: 3,497,000 km (0.076 R)
• M18: 4,380,674 km (0.114 R)
• M19: 4,673,737 km (0.115 R)
• M20: 4,897,834 km (0.119 R)
• M21: 5,486,352 km (0.091 R)
• M22: 5,617,250 km (0.112 R)
• M23: 5,696,388 km (0.118 R)
• M24: 6,016,378 km (0.084 R)
• M25: 6,562,859 km (0.068 R)
• M26: 7,011,503 km (0.088 R)
• M27: 7,125,347 km (0.105 R)
• M28: 7,325,808 km (0.051 R)
• M29: 7,732,415 km (0.056 R)
• M30: 7,938,561 km (0.037 R)
• M31: 8,476,963 km (0.116 R)
• M32: 8,628,656 km (0.068 R)
• M33: 9,494,528 km (0.085 R)
• M34: 9,620,489 km (0.107 R)
• M35: 9,937,936 km (0.093 R)
• M36: 10,648,227 km (0.115 R)
• M37: 10,746,363 km (0.083 R)
• M38: 11,009,506 km (0.063 R)
• M39: 12,083,618 km (0.099 R)
• M40: 12,220,201 km (0.051 R)
• M41: 12,771,769 km (0.112 R)
• M42: 13,120,631 km (0.091 R)
• M43: 13,366,719 km (0.038 R)
• M44: 13,720,967 km (0.07 R)
• M45: 14,150,014 km (0.109 R)
• M46: 14,619,901 km (0.101 R)
• M47: 15,021,571 km (0.109 R)
• M48: 15,315,980 km (0.116 R)
• M49: 16,361,220 km (0.099 R)
• M50: 17,816,508 km (0.068 R)
• M51: 18,402,333 km (0.107 R)
• M52: 19,233,050 km (0.095 R)
• M53: 19,793,743 km (0.11 R)
• M54: 20,076,034 km (0.083 R)
• M55: 20,156,967 km (0.043 R)
• M56: 20,441,053 km (0.106 R)
• M57: 20,726,486 km (0.057 R)
• M58: 20,931,136 km (0.086 R)
• M59: 21,259,952 km (0.031 R)
• M60: 21,507,686 km (0.104 R)
• M61: 22,718,830 km (0.107 R)
• M62: 23,652,171 km (0.054 R)
• M63: 24,037,685 km (0.078 R)
• M64: 24,554,994 km (0.096 R)
• M65: 25,032,212 km (0.109 R)
• M66: 25,512,720 km (0.11 R)
• M67: 25,600,384 km (0.041 R)
• M68: 25,688,198 km (0.093 R)
• M69: 25,907,958 km (0.071 R)
• M70: 26,394,001 km (0.069 R)
• M71: 26,660,285 km (0.045 R)
• M72: 27,419,794 km (0.105 R)
• M73: 27,734,548 km (0.083 R)
• M74: 27,960,141 km (0.106 R)
• M75: 28,050,498 km (0.084 R)
• M76: 28,231,661 km (0.07 R)
• M77: 29,097,085 km (0.115 R)
• M78: 29,786,582 km (0.052 R)
• M79: 30,202,913 km (0.103 R)
• M80: 30,434,939 km (0.031 R)
• M81: 30,854,262 km (0.092 R)
• M82: 30,994,435 km (0.072 R)
• M83: 31,088,083 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 9.7

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 4.65 AU - 5.53 AU

Year: 7789 Days

Day: 12.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 76,650,634 km

• M1: 367,412 km (0.11 R)
• M2: 500,554 km (0.109 R)
• M3: 561,441 km (0.037 R)
• M4: 1,128,866 km (0.052 R)
• M5: 1,280,259 km (0.058 R)
• M6: 1,367,474 km (0.032 R)
• M7: 1,529,638 km (0.119 R)
• M8: 2,325,349 km (0.109 R)
• M9: 3,042,222 km (0.057 R)
• M10: 3,160,255 km (0.086 R)
• M11: 3,255,698 km (0.068 R)
• M12: 3,722,444 km (0.113 R)
• M13: 4,002,341 km (0.104 R)
• M14: 4,079,833 km (0.083 R)
• M15: 4,289,121 km (0.062 R)
• M16: 4,421,814 km (0.07 R)
• M17: 4,636,786 km (0.109 R)
• M18: 5,189,401 km (0.115 R)
• M19: 5,330,920 km (0.11 R)
• M20: 5,559,954 km (0.102 R)
• M21: 5,733,787 km (0.034 R)
• M22: 6,356,563 km (0.118 R)
• M23: 7,094,529 km (0.109 R)
• M24: 7,378,317 km (0.107 R)
• M25: 7,730,320 km (0.079 R)
• M26: 8,022,335 km (0.032 R)
• M27: 8,120,472 km (0.084 R)
• M28: 8,251,968 km (0.076 R)
• M29: 8,818,794 km (0.05 R)
• M30: 8,886,263 km (0.044 R)
• M31: 10,308,041 km (0.055 R)
• M32: 10,954,304 km (0.05 R)
• M33: 11,027,009 km (0.058 R)
• M34: 11,136,215 km (0.097 R)
• M35: 12,817,695 km (0.092 R)
• M36: 13,240,758 km (0.075 R)
• M37: 13,707,354 km (0.095 R)
• M38: 13,824,938 km (0.118 R)
• M39: 14,657,001 km (0.089 R)
• M40: 15,668,582 km (0.098 R)
• M41: 15,791,402 km (0.078 R)
• M42: 16,369,298 km (0.061 R)
• M43: 16,618,977 km (0.117 R)
• M44: 18,792,485 km (0.04 R)
• M45: 19,054,131 km (0.083 R)
• M46: 19,668,978 km (0.065 R)
• M47: 20,469,327 km (0.067 R)
• M48: 20,963,598 km (0.103 R)
• M49: 21,189,641 km (0.064 R)
• M50: 23,026,403 km (0.108 R)
• M51: 23,119,603 km (0.089 R)
• M52: 23,493,448 km (0.09 R)
• M53: 23,681,193 km (0.077 R)
• M54: 23,916,660 km (0.063 R)
• M55: 24,010,907 km (0.093 R)
• M56: 24,294,844 km (0.112 R)
• M57: 24,674,972 km (0.081 R)
• M58: 27,935,607 km (0.091 R)
• M59: 29,742,749 km (0.101 R)
• M60: 30,506,746 km (0.101 R)
• M61: 30,711,695 km (0.102 R)
• M62: 31,690,963 km (0.048 R)
• M63: 32,002,276 km (0.081 R)
• M64: 32,366,846 km (0.103 R)
• M65: 32,942,498 km (0.101 R)
• M66: 33,521,592 km (0.111 R)
• M67: 34,050,869 km (0.103 R)
• M68: 34,316,555 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 560.5

Radius: 7.6

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 7.71 AU - 12.85 AU

Year: 22355 Days

Day: 17.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 76,650,634 km

• M1: 107,112 km (0.114 R)
• M2: 195,225 km (0.055 R)
• M3: 327,470 km (0.081 R)
• M4: 397,182 km (0.11 R)
• M5: 574,456 km (0.082 R)
• M6: 1,191,697 km (0.116 R)
• M7: 2,059,065 km (0.088 R)
• M8: 2,371,575 km (0.074 R)
• M9: 2,963,983 km (0.096 R)
• M10: 3,641,511 km (0.09 R)
• M11: 4,190,984 km (0.104 R)
• M12: 4,721,159 km (0.077 R)
• M13: 5,040,102 km (0.054 R)
• M14: 5,555,467 km (0.108 R)
• M15: 5,795,422 km (0.071 R)
• M16: 6,686,726 km (0.047 R)
• M17: 6,993,252 km (0.103 R)
• M18: 7,044,863 km (0.055 R)
• M19: 7,200,295 km (0.118 R)
• M20: 9,095,700 km (0.116 R)
• M21: 9,606,726 km (0.042 R)
• M22: 9,836,808 km (0.053 R)
• M23: 10,420,090 km (0.096 R)
• M24: 10,597,214 km (0.094 R)
• M25: 10,775,385 km (0.115 R)
• M26: 10,954,603 km (0.088 R)
• M27: 11,014,592 km (0.119 R)
• M28: 12,174,125 km (0.091 R)
• M29: 12,485,737 km (0.107 R)
• M30: 13,372,105 km (0.05 R)
• M31: 13,436,282 km (0.097 R)
• M32: 13,500,460 km (0.037 R)
• M33: 13,693,591 km (0.087 R)
• M34: 15,271,998 km (0.061 R)
• M35: 16,014,452 km (0.064 R)
• M36: 16,424,350 km (0.106 R)
• M37: 17,604,528 km (0.111 R)
• M38: 18,525,452 km (0.107 R)
• M39: 18,668,468 km (0.047 R)
• M40: 19,244,420 km (0.11 R)
• M41: 21,006,832 km (0.114 R)
• M42: 21,305,579 km (0.102 R)
• M43: 22,210,347 km (0.103 R)
• M44: 23,358,660 km (0.102 R)
• M45: 25,633,146 km (0.104 R)
• M46: 26,433,645 km (0.101 R)
• M47: 26,756,178 km (0.082 R)
• M48: 28,470,719 km (0.12 R)
• M49: 28,801,330 km (0.112 R)
• M50: 29,549,768 km (0.052 R)
• M51: 31,919,099 km (0.087 R)
• M52: 34,436,532 km (0.112 R)
• M53: 35,230,747 km (0.091 R)
• M54: 35,408,021 km (0.109 R)
• M55: 35,496,882 km (0.104 R)
• M56: 36,120,256 km (0.077 R)
• M57: 37,017,096 km (0.08 R)
• M58: 37,739,952 km (0.115 R)
• M59: 38,467,297 km (0.055 R)
• M60: 39,107,726 km (0.105 R)
• M61: 39,291,282 km (0.105 R)
• M62: 40,677,307 km (0.075 R)
• M63: 40,956,456 km (0.086 R)
• M64: 41,142,855 km (0.116 R)
• M65: 41,516,551 km (0.085 R)
• M66: 42,361,629 km (0.115 R)
• M67: 42,455,876 km (0.106 R)
• M68: 42,550,122 km (0.045 R)
• M69: 42,928,156 km (0.072 R)
• M70: 44,546,805 km (0.068 R)
• M71: 44,834,482 km (0.038 R)
• M72: 45,508,271 km (0.027 R)
• M73: 46,088,411 km (0.081 R)
• M74: 48,039,915 km (0.117 R)
• M75: 48,236,487 km (0.08 R)
• M76: 48,334,922 km (0.108 R)
• M77: 48,531,943 km (0.059 R)
• M78: 48,729,262 km (0.079 R)
• M79: 49,620,417 km (0.12 R)
• M80: 50,716,969 km (0.106 R)
• M81: 52,224,916 km (0.063 R)
• M82: 52,528,300 km (0.097 R)
• M83: 53,136,864 km (0.076 R)
• M84: 54,054,049 km (0.032 R)
• M85: 55,903,976 km (0.093 R)
• M86: 56,007,348 km (0.116 R)
• M87: 57,044,660 km (0.118 R)
• M88: 57,461,290 km (0.095 R)
• M89: 59,665,615 km (0.082 R)
• M90: 60,512,638 km (0.093 R)
• M91: 62,218,353 km (0.062 R)
• M92: 66,004,675 km (0.113 R)
• M93: 67,539,998 km (0.064 R)
• M94: 68,201,669 km (0.118 R)
• M95: 69,753,747 km (0.08 R)
• M96: 73,571,186 km (0.092 R)
• M97: 75,276,751 km (0.09 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 19,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit