🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.3

Radius: 1.4

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.04 AU - 1.4 AU

Year: 580 Days

Day: 40.6 Hours

Environment

Temp: -79 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.42

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.4 AU - 2.56 AU

Year: 1681 Days

Day: 16.9 Hours

Environment

Temp: -133 °C

Axial Tilt: 31.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.8

Radius: 10.5

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.46 AU - 3.86 AU

Year: 2418 Days

Day: 11 Hours

Environment

Temp: -145 °C

Axial Tilt: 102.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 52,767,477 km

• M1: 151,243 km (0.12 R)
• M2: 313,856 km (0.036 R)
• M3: 472,879 km (0.1 R)
• M4: 560,842 km (0.098 R)
• M5: 661,971 km (0.101 R)
• M6: 728,542 km (0.093 R)
• M7: 869,463 km (0.057 R)
• M8: 1,171,501 km (0.099 R)
• M9: 1,399,787 km (0.11 R)
• M10: 1,569,282 km (0.026 R)
• M11: 1,717,384 km (0.082 R)
• M12: 1,860,549 km (0.037 R)
• M13: 2,241,275 km (0.11 R)
• M14: 2,398,353 km (0.111 R)
• M15: 2,526,708 km (0.071 R)
• M16: 2,701,438 km (0.094 R)
• M17: 3,308,806 km (0.062 R)
• M18: 3,476,206 km (0.108 R)
• M19: 3,658,865 km (0.103 R)
• M20: 3,769,866 km (0.06 R)
• M21: 4,033,458 km (0.092 R)
• M22: 4,251,422 km (0.119 R)
• M23: 4,355,243 km (0.095 R)
• M24: 4,833,208 km (0.061 R)
• M25: 4,941,816 km (0.067 R)
• M26: 5,078,549 km (0.115 R)
• M27: 5,356,053 km (0.103 R)
• M28: 5,539,011 km (0.118 R)
• M29: 5,824,593 km (0.056 R)
• M30: 6,514,838 km (0.075 R)
• M31: 6,604,746 km (0.109 R)
• M32: 6,725,471 km (0.112 R)
• M33: 7,748,571 km (0.067 R)
• M34: 7,828,008 km (0.096 R)
• M35: 7,987,778 km (0.05 R)
• M36: 8,213,372 km (0.099 R)
• M37: 8,572,108 km (0.069 R)
• M38: 8,637,931 km (0.056 R)
• M39: 9,170,200 km (0.058 R)
• M40: 9,288,083 km (0.054 R)
• M41: 10,371,471 km (0.081 R)
• M42: 10,635,361 km (0.112 R)
• M43: 10,759,228 km (0.103 R)
• M44: 10,990,656 km (0.109 R)
• M45: 11,440,198 km (0.113 R)
• M46: 11,895,873 km (0.088 R)
• M47: 12,079,729 km (0.082 R)
• M48: 12,172,031 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.6

Radius: 10.1

Gravity: 5.52 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.39 AU - 3.51 AU

Year: 2758 Days

Day: 11 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 52,767,477 km

• M1: 127,308 km (0.11 R)
• M2: 233,821 km (0.104 R)
• M3: 343,327 km (0.116 R)
• M4: 410,497 km (0.113 R)
• M5: 498,460 km (0.104 R)
• M6: 594,203 km (0.119 R)
• M7: 670,498 km (0.09 R)
• M8: 796,609 km (0.098 R)
• M9: 1,169,556 km (0.084 R)
• M10: 1,290,581 km (0.102 R)
• M11: 1,358,349 km (0.062 R)
• M12: 1,545,496 km (0.112 R)
• M13: 1,679,087 km (0.084 R)
• M14: 2,116,660 km (0.094 R)
• M15: 2,211,057 km (0.097 R)
• M16: 2,334,774 km (0.096 R)
• M17: 2,404,337 km (0.12 R)
• M18: 2,517,433 km (0.049 R)
• M19: 2,603,302 km (0.113 R)
• M20: 2,867,043 km (0.047 R)
• M21: 3,170,428 km (0.102 R)
• M22: 3,775,102 km (0.099 R)
• M23: 4,023,734 km (0.105 R)
• M24: 4,329,213 km (0.108 R)
• M25: 4,659,824 km (0.051 R)
• M26: 4,890,803 km (0.059 R)
• M27: 5,162,024 km (0.094 R)
• M28: 5,401,082 km (0.068 R)
• M29: 5,493,982 km (0.085 R)
• M30: 5,700,427 km (0.095 R)
• M31: 5,813,972 km (0.061 R)
• M32: 5,947,563 km (0.115 R)
• M33: 6,178,841 km (0.095 R)
• M34: 6,295,677 km (0.112 R)
• M35: 6,432,858 km (0.093 R)
• M36: 6,511,696 km (0.04 R)
• M37: 6,830,190 km (0.07 R)
• M38: 7,358,869 km (0.075 R)
• M39: 7,795,545 km (0.093 R)
• M40: 8,048,814 km (0.108 R)
• M41: 8,219,206 km (0.074 R)
• M42: 8,433,879 km (0.094 R)
• M43: 8,694,030 km (0.057 R)
• M44: 9,199,820 km (0.112 R)
• M45: 9,400,431 km (0.084 R)
• M46: 9,467,600 km (0.108 R)
• M47: 10,125,233 km (0.093 R)
• M48: 10,355,464 km (0.114 R)
• M49: 10,471,253 km (0.08 R)
• M50: 11,269,956 km (0.059 R)
• M51: 11,365,100 km (0.087 R)
• M52: 11,628,542 km (0.111 R)
• M53: 12,136,875 km (0.108 R)
• M54: 12,701,906 km (0.037 R)
• M55: 12,776,257 km (0.077 R)
• M56: 13,250,482 km (0.119 R)
• M57: 13,477,123 km (0.117 R)
• M58: 13,578,251 km (0.077 R)
• M59: 14,164,674 km (0.117 R)
• M60: 14,499,923 km (0.085 R)
• M61: 14,707,565 km (0.1 R)
• M62: 15,020,673 km (0.073 R)
• M63: 15,441,791 km (0.093 R)
• M64: 15,653,772 km (0.095 R)
• M65: 16,187,986 km (0.049 R)
• M66: 16,484,339 km (0.055 R)
• M67: 17,109,808 km (0.106 R)
• M68: 17,191,937 km (0.075 R)
• M69: 17,274,216 km (0.11 R)
• M70: 17,770,731 km (0.074 R)
• M71: 17,881,733 km (0.059 R)
• M72: 18,104,334 km (0.108 R)
• M73: 18,271,884 km (0.117 R)
• M74: 18,862,646 km (0.109 R)
• M75: 18,947,468 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 12.4

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 3.73 AU - 4.77 AU

Year: 3771 Days

Day: 12 Hours

Environment

Temp: -165 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 52,767,477 km

• M1: 154,535 km (0.057 R)
• M2: 266,583 km (0.105 R)
• M3: 450,140 km (0.102 R)
• M4: 544,985 km (0.115 R)
• M5: 633,098 km (0.099 R)
• M6: 815,009 km (0.091 R)
• M7: 924,964 km (0.083 R)
• M8: 1,046,437 km (0.079 R)
• M9: 1,272,928 km (0.103 R)
• M10: 1,389,016 km (0.077 R)
• M11: 1,508,844 km (0.118 R)
• M12: 1,676,693 km (0.081 R)
• M13: 1,850,825 km (0.1 R)
• M14: 1,999,525 km (0.084 R)
• M15: 2,127,880 km (0.072 R)
• M16: 2,283,911 km (0.103 R)
• M17: 2,651,473 km (0.117 R)
• M18: 3,224,133 km (0.111 R)
• M19: 3,394,824 km (0.088 R)
• M20: 3,666,345 km (0.076 R)
• M21: 3,924,999 km (0.1 R)
• M22: 4,087,163 km (0.113 R)
• M23: 4,169,143 km (0.05 R)
• M24: 4,272,366 km (0.061 R)
• M25: 4,502,447 km (0.111 R)
• M26: 4,953,185 km (0.101 R)
• M27: 5,084,532 km (0.047 R)
• M28: 5,395,995 km (0.109 R)
• M29: 5,531,232 km (0.12 R)
• M30: 5,793,926 km (0.102 R)
• M31: 6,166,275 km (0.073 R)
• M32: 6,860,858 km (0.106 R)
• M33: 7,379,513 km (0.082 R)
• M34: 7,668,985 km (0.088 R)
• M35: 7,859,723 km (0.04 R)
• M36: 8,168,193 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 934.9

Radius: 10.3

Gravity: 8.81 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 4.76 AU - 7.82 AU

Year: 6790 Days

Day: 9.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 52,767,477 km

• M1: 152,141 km (0.054 R)
• M2: 362,476 km (0.051 R)
• M3: 493,224 km (0.097 R)
• M4: 822,339 km (0.071 R)
• M5: 1,037,312 km (0.031 R)
• M6: 1,197,082 km (0.11 R)
• M7: 1,346,082 km (0.12 R)
• M8: 1,683,574 km (0.117 R)
• M9: 1,830,330 km (0.084 R)
• M10: 2,091,827 km (0.092 R)
• M11: 2,181,885 km (0.052 R)
• M12: 2,530,747 km (0.088 R)
• M13: 2,724,177 km (0.078 R)
• M14: 2,897,561 km (0.075 R)
• M15: 3,333,639 km (0.099 R)
• M16: 3,600,073 km (0.04 R)
• M17: 4,703,955 km (0.118 R)
• M18: 4,792,966 km (0.103 R)
• M19: 5,063,439 km (0.09 R)
• M20: 5,841,049 km (0.05 R)
• M21: 6,489,855 km (0.083 R)
• M22: 7,127,441 km (0.079 R)
• M23: 7,230,065 km (0.09 R)
• M24: 8,716,170 km (0.092 R)
• M25: 8,825,975 km (0.106 R)
• M26: 9,120,683 km (0.05 R)
• M27: 9,269,383 km (0.092 R)
• M28: 9,910,111 km (0.117 R)
• M29: 10,293,680 km (0.043 R)
• M30: 11,035,835 km (0.11 R)
• M31: 11,114,972 km (0.115 R)
• M32: 11,234,052 km (0.116 R)
• M33: 11,393,523 km (0.095 R)
• M34: 12,283,631 km (0.067 R)
• M35: 12,695,623 km (0.07 R)
• M36: 12,903,415 km (0.106 R)
• M37: 13,070,366 km (0.101 R)
• M38: 13,660,530 km (0.051 R)
• M39: 14,087,482 km (0.114 R)
• M40: 14,302,454 km (0.101 R)
• M41: 16,512,613 km (0.083 R)
• M42: 17,058,795 km (0.088 R)
• M43: 17,196,275 km (0.075 R)
• M44: 17,703,412 km (0.107 R)
• M45: 18,075,312 km (0.099 R)
• M46: 18,168,811 km (0.092 R)
• M47: 18,827,042 km (0.079 R)
• M48: 19,302,015 km (0.112 R)
• M49: 19,445,330 km (0.066 R)
• M50: 19,829,048 km (0.11 R)
• M51: 20,118,520 km (0.043 R)
• M52: 20,215,310 km (0.116 R)
• M53: 20,701,653 km (0.077 R)
• M54: 21,537,456 km (0.111 R)
• M55: 21,785,340 km (0.092 R)
• M56: 22,133,903 km (0.077 R)
• M57: 23,444,978 km (0.114 R)
• M58: 24,522,233 km (0.076 R)
• M59: 25,092,948 km (0.106 R)
• M60: 26,088,971 km (0.118 R)
• M61: 26,406,268 km (0.098 R)
• M62: 27,688,023 km (0.104 R)
• M63: 28,227,921 km (0.115 R)
• M64: 28,826,014 km (0.112 R)
• M65: 29,153,932 km (0.084 R)
• M66: 29,263,587 km (0.084 R)
• M67: 29,593,301 km (0.095 R)
• M68: 30,311,670 km (0.117 R)
• M69: 30,422,672 km (0.03 R)
• M70: 30,756,574 km (0.066 R)
• M71: 30,979,924 km (0.076 R)
• M72: 31,372,020 km (0.095 R)
• M73: 31,878,409 km (0.077 R)
• M74: 32,444,487 km (0.099 R)
• M75: 33,701,259 km (0.075 R)
• M76: 34,277,659 km (0.12 R)
• M77: 34,741,263 km (0.098 R)
• M78: 34,973,888 km (0.054 R)
• M79: 35,791,889 km (0.102 R)
• M80: 36,144,342 km (0.085 R)
• M81: 36,793,746 km (0.086 R)
• M82: 38,463,707 km (0.104 R)
• M83: 38,583,984 km (0.091 R)
• M84: 38,824,836 km (0.102 R)
• M85: 39,066,138 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.5

Radius: 11

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 7.66 AU - 9.98 AU

Year: 11275 Days

Day: 11 Hours

Environment

Temp: -195 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 52,767,477 km

• M1: 149,598 km (0.097 R)
• M2: 223,499 km (0.109 R)
• M3: 381,923 km (0.086 R)
• M4: 491,728 km (0.118 R)
• M5: 560,244 km (0.115 R)
• M6: 882,627 km (0.104 R)
• M7: 1,025,344 km (0.082 R)
• M8: 1,117,197 km (0.107 R)
• M9: 1,966,464 km (0.12 R)
• M10: 2,156,453 km (0.045 R)
• M11: 2,352,576 km (0.111 R)
• M12: 2,507,560 km (0.037 R)
• M13: 2,827,549 km (0.114 R)
• M14: 3,401,856 km (0.083 R)
• M15: 3,507,023 km (0.118 R)
• M16: 3,577,783 km (0.094 R)
• M17: 4,104,666 km (0.077 R)
• M18: 4,501,699 km (0.088 R)
• M19: 4,578,742 km (0.106 R)
• M20: 4,970,539 km (0.096 R)
• M21: 5,090,217 km (0.085 R)
• M22: 5,413,947 km (0.112 R)
• M23: 5,640,588 km (0.105 R)
• M24: 5,765,502 km (0.079 R)
• M25: 5,912,407 km (0.12 R)
• M26: 6,103,144 km (0.099 R)
• M27: 6,274,434 km (0.048 R)
• M28: 6,797,877 km (0.079 R)
• M29: 7,087,349 km (0.101 R)
• M30: 7,358,121 km (0.106 R)
• M31: 7,678,410 km (0.09 R)
• M32: 7,793,899 km (0.043 R)
• M33: 7,909,987 km (0.059 R)
• M34: 8,618,483 km (0.062 R)
• M35: 8,931,890 km (0.056 R)
• M36: 9,028,979 km (0.106 R)
• M37: 9,102,133 km (0.077 R)
• M38: 9,347,324 km (0.058 R)
• M39: 9,544,943 km (0.119 R)
• M40: 9,619,592 km (0.118 R)
• M41: 9,694,241 km (0.107 R)
• M42: 9,894,403 km (0.069 R)
• M43: 10,222,621 km (0.036 R)
• M44: 10,349,779 km (0.071 R)
• M45: 10,451,805 km (0.088 R)
• M46: 10,605,741 km (0.072 R)
• M47: 10,708,664 km (0.11 R)
• M48: 10,812,037 km (0.1 R)
• M49: 10,967,618 km (0.041 R)
• M50: 11,890,039 km (0.12 R)
• M51: 12,104,263 km (0.075 R)
• M52: 12,455,369 km (0.045 R)
• M53: 12,755,014 km (0.117 R)
• M54: 13,057,052 km (0.115 R)
• M55: 13,472,784 km (0.045 R)
• M56: 14,431,258 km (0.056 R)
• M57: 14,631,270 km (0.041 R)
• M58: 15,236,992 km (0.097 R)
• M59: 15,674,566 km (0.111 R)
• M60: 16,057,237 km (0.102 R)
• M61: 16,323,970 km (0.086 R)
• M62: 16,472,820 km (0.112 R)
• M63: 17,163,214 km (0.086 R)
• M64: 17,344,976 km (0.109 R)
• M65: 17,557,704 km (0.101 R)
• M66: 17,832,515 km (0.089 R)
• M67: 18,479,227 km (0.103 R)
• M68: 18,977,238 km (0.089 R)
• M69: 19,479,588 km (0.03 R)
• M70: 20,626,106 km (0.071 R)
• M71: 20,883,713 km (0.08 R)
• M72: 21,500,206 km (0.101 R)
• M73: 21,696,030 km (0.102 R)
• M74: 21,925,363 km (0.063 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.2

Radius: 6.7

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 14.63 AU - 18.43 AU

Year: 28929 Days

Day: 18 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (97)

Outer Limit: 52,767,477 km

• M1: 84,972 km (0.087 R)
• M2: 152,590 km (0.071 R)
• M3: 255,214 km (0.071 R)
• M4: 357,090 km (0.086 R)
• M5: 520,750 km (0.096 R)
• M6: 781,499 km (0.12 R)
• M7: 896,690 km (0.112 R)
• M8: 1,080,097 km (0.114 R)
• M9: 1,412,054 km (0.116 R)
• M10: 1,482,216 km (0.069 R)
• M11: 1,577,510 km (0.045 R)
• M12: 1,674,898 km (0.088 R)
• M13: 1,850,226 km (0.096 R)
• M14: 2,383,842 km (0.031 R)
• M15: 2,581,311 km (0.061 R)
• M16: 2,667,629 km (0.106 R)
• M17: 3,082,913 km (0.054 R)
• M18: 3,143,949 km (0.061 R)
• M19: 3,298,334 km (0.116 R)
• M20: 3,392,132 km (0.066 R)
• M21: 3,776,149 km (0.088 R)
• M22: 3,907,197 km (0.106 R)
• M23: 4,481,055 km (0.098 R)
• M24: 4,619,881 km (0.076 R)
• M25: 4,760,204 km (0.072 R)
• M26: 5,045,039 km (0.045 R)
• M27: 5,894,605 km (0.116 R)
• M28: 5,970,601 km (0.119 R)
• M29: 6,316,471 km (0.085 R)
• M30: 6,511,397 km (0.107 R)
• M31: 7,108,292 km (0.116 R)
• M32: 7,351,838 km (0.102 R)
• M33: 7,556,936 km (0.071 R)
• M34: 8,226,088 km (0.069 R)
• M35: 8,524,685 km (0.102 R)
• M36: 9,309,027 km (0.089 R)
• M37: 9,844,587 km (0.092 R)
• M38: 10,852,278 km (0.077 R)
• M39: 10,992,302 km (0.105 R)
• M40: 12,278,544 km (0.101 R)
• M41: 12,424,402 km (0.106 R)
• M42: 12,522,090 km (0.098 R)
• M43: 12,766,981 km (0.118 R)
• M44: 13,561,645 km (0.086 R)
• M45: 15,934,118 km (0.116 R)
• M46: 16,306,168 km (0.118 R)
• M47: 19,497,689 km (0.098 R)
• M48: 19,838,622 km (0.093 R)
• M49: 20,641,813 km (0.081 R)
• M50: 20,699,558 km (0.1 R)
• M51: 20,873,241 km (0.081 R)
• M52: 22,398,392 km (0.095 R)
• M53: 22,457,782 km (0.098 R)
• M54: 23,174,356 km (0.08 R)
• M55: 24,568,758 km (0.092 R)
• M56: 24,936,918 km (0.094 R)
• M57: 25,060,037 km (0.052 R)
• M58: 26,302,597 km (0.041 R)
• M59: 26,742,115 km (0.045 R)
• M60: 28,075,481 km (0.117 R)
• M61: 29,235,463 km (0.114 R)
• M62: 30,872,363 km (0.109 R)
• M63: 31,137,002 km (0.096 R)
• M64: 31,269,545 km (0.114 R)
• M65: 31,535,381 km (0.033 R)
• M66: 31,601,952 km (0.1 R)
• M67: 32,943,097 km (0.097 R)
• M68: 33,756,610 km (0.085 R)
• M69: 33,892,894 km (0.092 R)
• M70: 34,097,543 km (0.042 R)
• M71: 34,851,666 km (0.107 R)
• M72: 35,611,175 km (0.053 R)
• M73: 35,888,828 km (0.116 R)
• M74: 36,027,805 km (0.112 R)
• M75: 36,515,943 km (0.095 R)
• M76: 37,357,730 km (0.083 R)
• M77: 37,639,722 km (0.109 R)
• M78: 38,561,245 km (0.096 R)
• M79: 39,131,961 km (0.099 R)
• M80: 39,490,098 km (0.109 R)
• M81: 39,921,239 km (0.104 R)
• M82: 40,715,903 km (0.076 R)
• M83: 41,588,657 km (0.058 R)
• M84: 42,688,201 km (0.116 R)
• M85: 43,500,667 km (0.089 R)
• M86: 44,616,817 km (0.097 R)
• M87: 45,065,910 km (0.087 R)
• M88: 45,968,434 km (0.095 R)
• M89: 46,801,095 km (0.1 R)
• M90: 47,257,369 km (0.102 R)
• M91: 47,333,664 km (0.114 R)
• M92: 47,562,399 km (0.073 R)
• M93: 50,492,423 km (0.111 R)
• M94: 50,882,275 km (0.086 R)
• M95: 51,273,174 km (0.077 R)
• M96: 51,429,803 km (0.102 R)
• M97: 52,215,192 km (0.073 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: 458 - 16,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit