🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.7

Radius: 11.1

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.88 AU - 1 AU

Year: 608 Days

Day: 12.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 55,469,863 km

• M1: 141,520 km (0.098 R)
• M2: 219,759 km (0.119 R)
• M3: 323,730 km (0.087 R)
• M4: 396,135 km (0.056 R)
• M5: 479,162 km (0.041 R)
• M6: 559,795 km (0.118 R)
• M7: 726,597 km (0.03 R)
• M8: 796,010 km (0.045 R)
• M9: 914,791 km (0.12 R)
• M10: 1,035,816 km (0.111 R)
• M11: 1,141,133 km (0.106 R)
• M12: 1,326,484 km (0.059 R)
• M13: 1,404,425 km (0.12 R)
• M14: 1,502,860 km (0.076 R)
• M15: 1,584,391 km (0.1 R)
• M16: 1,657,694 km (0.107 R)
• M17: 1,797,568 km (0.099 R)
• M18: 1,874,312 km (0.1 R)
• M19: 1,946,867 km (0.075 R)
• M20: 2,057,420 km (0.052 R)
• M21: 2,307,398 km (0.118 R)
• M22: 2,430,517 km (0.039 R)
• M23: 2,509,953 km (0.112 R)
• M24: 2,866,744 km (0.086 R)
• M25: 2,956,952 km (0.096 R)
• M26: 3,121,958 km (0.059 R)
• M27: 3,196,159 km (0.113 R)
• M28: 3,296,239 km (0.104 R)
• M29: 3,467,379 km (0.111 R)
• M30: 3,660,959 km (0.115 R)
• M31: 3,805,321 km (0.081 R)
• M32: 3,898,221 km (0.109 R)
• M33: 4,052,307 km (0.058 R)
• M34: 4,222,250 km (0.091 R)
• M35: 4,304,679 km (0.115 R)
• M36: 4,443,206 km (0.112 R)
• M37: 4,860,734 km (0.101 R)
• M38: 4,940,021 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.1

Radius: 14.4

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 1.05 AU - 1.53 AU

Year: 977 Days

Day: 7.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 55,469,863 km

• M1: 190,438 km (0.1 R)
• M2: 284,236 km (0.056 R)
• M3: 415,732 km (0.114 R)
• M4: 506,538 km (0.094 R)
• M5: 601,982 km (0.08 R)
• M6: 710,291 km (0.077 R)
• M7: 921,523 km (0.071 R)
• M8: 1,026,541 km (0.037 R)
• M9: 1,155,045 km (0.087 R)
• M10: 1,308,832 km (0.075 R)
• M11: 1,429,108 km (0.09 R)
• M12: 1,553,424 km (0.113 R)
• M13: 1,674,299 km (0.09 R)
• M14: 1,888,224 km (0.106 R)
• M15: 2,025,854 km (0.118 R)
• M16: 2,158,847 km (0.107 R)
• M17: 2,294,981 km (0.09 R)
• M18: 2,525,810 km (0.071 R)
• M19: 2,703,982 km (0.111 R)
• M20: 2,895,168 km (0.091 R)
• M21: 3,227,275 km (0.089 R)
• M22: 3,515,101 km (0.071 R)
• M23: 3,619,221 km (0.112 R)
• M24: 3,957,761 km (0.085 R)
• M25: 4,106,013 km (0.076 R)
• M26: 4,195,921 km (0.11 R)
• M27: 4,337,141 km (0.064 R)
• M28: 4,449,190 km (0.051 R)
• M29: 4,655,486 km (0.12 R)
• M30: 4,759,755 km (0.047 R)
• M31: 4,875,544 km (0.109 R)
• M32: 5,013,473 km (0.116 R)
• M33: 5,163,520 km (0.119 R)
• M34: 5,402,428 km (0.063 R)
• M35: 5,523,303 km (0.097 R)
• M36: 5,711,796 km (0.074 R)
• M37: 5,936,343 km (0.046 R)
• M38: 6,324,998 km (0.088 R)
• M39: 6,592,479 km (0.105 R)
• M40: 6,745,518 km (0.101 R)
• M41: 7,042,918 km (0.096 R)
• M42: 7,356,924 km (0.104 R)
• M43: 7,540,181 km (0.104 R)
• M44: 7,712,518 km (0.105 R)
• M45: 7,973,716 km (0.095 R)
• M46: 8,124,212 km (0.054 R)
• M47: 8,377,331 km (0.084 R)
• M48: 8,658,575 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.5

Radius: 13.2

Gravity: 5.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.28 AU - 1.82 AU

Year: 1287 Days

Day: 14.7 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 55,469,863 km

• M1: 263,891 km (0.049 R)
• M2: 347,516 km (0.11 R)
• M3: 429,944 km (0.1 R)
• M4: 696,378 km (0.1 R)
• M5: 839,842 km (0.11 R)
• M6: 1,125,126 km (0.117 R)
• M7: 1,253,630 km (0.085 R)
• M8: 1,516,623 km (0.059 R)
• M9: 1,611,618 km (0.113 R)
• M10: 1,738,327 km (0.101 R)
• M11: 1,950,307 km (0.111 R)
• M12: 2,064,750 km (0.119 R)
• M13: 2,149,572 km (0.117 R)
• M14: 2,268,203 km (0.077 R)
• M15: 2,648,780 km (0.116 R)
• M16: 3,025,916 km (0.076 R)
• M17: 3,208,575 km (0.096 R)
• M18: 3,369,991 km (0.096 R)
• M19: 3,688,186 km (0.118 R)
• M20: 3,936,518 km (0.095 R)
• M21: 4,436,175 km (0.066 R)
• M22: 4,700,664 km (0.068 R)
• M23: 5,391,956 km (0.083 R)
• M24: 5,644,477 km (0.093 R)
• M25: 5,916,297 km (0.055 R)
• M26: 6,053,777 km (0.063 R)
• M27: 6,176,896 km (0.047 R)
• M28: 6,269,796 km (0.11 R)
• M29: 6,394,411 km (0.108 R)
• M30: 6,614,470 km (0.04 R)
• M31: 6,789,051 km (0.093 R)
• M32: 7,143,149 km (0.045 R)
• M33: 7,602,414 km (0.101 R)
• M34: 7,819,032 km (0.086 R)
• M35: 7,970,126 km (0.107 R)
• M36: 8,377,930 km (0.067 R)
• M37: 8,463,799 km (0.102 R)
• M38: 8,932,339 km (0.043 R)
• M39: 9,409,407 km (0.079 R)
• M40: 9,606,128 km (0.097 R)
• M41: 10,168,018 km (0.093 R)
• M42: 10,314,773 km (0.116 R)
• M43: 10,554,878 km (0.059 R)
• M44: 10,703,428 km (0.072 R)
• M45: 11,210,116 km (0.083 R)
• M46: 11,323,811 km (0.095 R)
• M47: 11,571,545 km (0.12 R)
• M48: 12,247,129 km (0.107 R)
• M49: 12,422,906 km (0.084 R)
• M50: 12,698,166 km (0.1 R)
• M51: 12,796,901 km (0.097 R)
• M52: 12,975,371 km (0.106 R)
• M53: 13,274,567 km (0.096 R)
• M54: 13,374,798 km (0.034 R)
• M55: 13,555,961 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 853.1

Radius: 12.8

Gravity: 5.21 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.88 AU - 2.32 AU

Year: 2029 Days

Day: 7.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 55,469,863 km

• M1: 171,738 km (0.118 R)
• M2: 279,748 km (0.069 R)
• M3: 465,249 km (0.101 R)
• M4: 581,188 km (0.067 R)
• M5: 700,716 km (0.052 R)
• M6: 829,670 km (0.054 R)
• M7: 1,310,029 km (0.078 R)
• M8: 1,440,179 km (0.049 R)
• M9: 1,529,638 km (0.113 R)
• M10: 1,667,268 km (0.083 R)
• M11: 1,968,110 km (0.055 R)
• M12: 2,118,755 km (0.111 R)
• M13: 2,221,379 km (0.052 R)
• M14: 2,365,442 km (0.11 R)
• M15: 2,458,791 km (0.118 R)
• M16: 2,690,667 km (0.063 R)
• M17: 2,844,604 km (0.115 R)
• M18: 3,016,043 km (0.068 R)
• M19: 3,384,203 km (0.119 R)
• M20: 3,612,041 km (0.065 R)
• M21: 3,860,971 km (0.056 R)
• M22: 4,179,914 km (0.106 R)
• M23: 4,391,894 km (0.117 R)
• M24: 4,524,288 km (0.119 R)
• M25: 4,911,896 km (0.059 R)
• M26: 5,240,413 km (0.108 R)
• M27: 5,380,886 km (0.103 R)
• M28: 5,828,183 km (0.106 R)
• M29: 5,973,742 km (0.073 R)
• M30: 6,418,048 km (0.077 R)
• M31: 6,815,679 km (0.051 R)
• M32: 7,299,628 km (0.045 R)
• M33: 7,476,602 km (0.113 R)
• M34: 7,615,130 km (0.093 R)
• M35: 7,955,465 km (0.079 R)
• M36: 8,036,248 km (0.103 R)
• M37: 8,259,747 km (0.119 R)
• M38: 8,423,707 km (0.111 R)
• M39: 8,817,448 km (0.12 R)
• M40: 9,090,315 km (0.095 R)
• M41: 9,558,406 km (0.101 R)
• M42: 9,903,828 km (0.038 R)
• M43: 10,012,585 km (0.102 R)
• M44: 10,187,465 km (0.045 R)
• M45: 10,518,226 km (0.102 R)
• M46: 10,607,087 km (0.11 R)
• M47: 10,696,098 km (0.056 R)
• M48: 11,009,655 km (0.076 R)
• M49: 11,167,631 km (0.118 R)
• M50: 11,371,832 km (0.12 R)
• M51: 11,554,491 km (0.037 R)
• M52: 11,646,045 km (0.1 R)
• M53: 12,038,290 km (0.092 R)
• M54: 12,177,865 km (0.038 R)
• M55: 12,294,402 km (0.115 R)
• M56: 12,481,848 km (0.041 R)
• M57: 12,717,465 km (0.114 R)
• M58: 13,002,149 km (0.07 R)
• M59: 13,626,272 km (0.035 R)
• M60: 13,820,300 km (0.076 R)
• M61: 14,457,138 km (0.108 R)
• M62: 14,729,406 km (0.103 R)
• M63: 15,632,529 km (0.094 R)
• M64: 15,835,683 km (0.072 R)
• M65: 16,631,244 km (0.109 R)
• M66: 16,994,767 km (0.05 R)
• M67: 17,099,186 km (0.085 R)
• M68: 17,308,474 km (0.117 R)
• M69: 17,466,000 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.7

Radius: 13

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 2.53 AU - 3.99 AU

Year: 3925 Days

Day: 12.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 55,469,863 km

• M1: 164,258 km (0.098 R)
• M2: 322,383 km (0.097 R)
• M3: 456,872 km (0.091 R)
• M4: 557,102 km (0.075 R)
• M5: 701,165 km (0.116 R)
• M6: 1,064,987 km (0.058 R)
• M7: 1,408,614 km (0.09 R)
• M8: 1,605,933 km (0.1 R)
• M9: 2,002,068 km (0.094 R)
• M10: 2,099,307 km (0.034 R)
• M11: 2,216,442 km (0.108 R)
• M12: 2,335,672 km (0.119 R)
• M13: 2,504,568 km (0.119 R)
• M14: 2,638,757 km (0.086 R)
• M15: 2,746,019 km (0.098 R)
• M16: 2,975,053 km (0.078 R)
• M17: 3,096,975 km (0.081 R)
• M18: 3,200,048 km (0.091 R)
• M19: 3,377,770 km (0.108 R)
• M20: 3,494,606 km (0.097 R)
• M21: 3,656,022 km (0.106 R)
• M22: 3,953,124 km (0.041 R)
• M23: 4,212,526 km (0.047 R)
• M24: 4,338,488 km (0.055 R)
• M25: 4,419,420 km (0.086 R)
• M26: 4,524,139 km (0.092 R)
• M27: 4,653,391 km (0.064 R)
• M28: 5,182,369 km (0.067 R)
• M29: 5,441,772 km (0.102 R)
• M30: 5,718,079 km (0.056 R)
• M31: 6,128,277 km (0.085 R)
• M32: 6,442,283 km (0.086 R)
• M33: 6,694,654 km (0.1 R)
• M34: 6,896,163 km (0.112 R)
• M35: 7,596,580 km (0.088 R)
• M36: 7,905,799 km (0.05 R)
• M37: 8,047,617 km (0.061 R)
• M38: 8,176,122 km (0.095 R)
• M39: 8,449,587 km (0.07 R)
• M40: 8,580,186 km (0.064 R)
• M41: 8,887,460 km (0.098 R)
• M42: 9,020,303 km (0.112 R)
• M43: 9,288,083 km (0.105 R)
• M44: 9,422,871 km (0.071 R)
• M45: 9,907,568 km (0.045 R)
• M46: 10,153,058 km (0.078 R)
• M47: 10,291,885 km (0.08 R)
• M48: 10,431,460 km (0.115 R)
• M49: 10,556,075 km (0.064 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201

Radius: 13.4

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.24 AU - 5.86 AU

Year: 7568 Days

Day: 9.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 114.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 55,469,863 km

• M1: 170,990 km (0.071 R)
• M2: 258,356 km (0.055 R)
• M3: 346,169 km (0.099 R)
• M4: 434,432 km (0.098 R)
• M5: 674,387 km (0.072 R)
• M6: 783,893 km (0.115 R)
• M7: 876,344 km (0.071 R)
• M8: 1,035,516 km (0.057 R)
• M9: 1,165,068 km (0.085 R)
• M10: 1,300,454 km (0.071 R)
• M11: 1,384,528 km (0.1 R)
• M12: 2,008,950 km (0.117 R)
• M13: 2,360,654 km (0.084 R)
• M14: 2,482,427 km (0.061 R)
• M15: 2,570,690 km (0.079 R)
• M16: 2,805,259 km (0.119 R)
• M17: 2,934,661 km (0.075 R)
• M18: 3,047,009 km (0.116 R)
• M19: 3,295,791 km (0.091 R)
• M20: 3,571,200 km (0.114 R)
• M21: 3,813,399 km (0.055 R)
• M22: 3,998,601 km (0.06 R)
• M23: 4,102,871 km (0.112 R)
• M24: 4,791,470 km (0.077 R)
• M25: 5,104,279 km (0.106 R)
• M26: 5,820,554 km (0.096 R)
• M27: 6,010,543 km (0.105 R)
• M28: 6,250,947 km (0.103 R)
• M29: 6,348,036 km (0.118 R)
• M30: 6,791,295 km (0.086 R)
• M31: 6,941,192 km (0.073 R)
• M32: 7,041,871 km (0.118 R)
• M33: 7,346,602 km (0.099 R)
• M34: 7,707,731 km (0.072 R)
• M35: 8,180,610 km (0.095 R)
• M36: 9,404,021 km (0.115 R)
• M37: 9,571,421 km (0.115 R)
• M38: 9,683,620 km (0.042 R)
• M39: 9,824,391 km (0.087 R)
• M40: 10,051,182 km (0.059 R)
• M41: 10,165,325 km (0.072 R)
• M42: 10,742,025 km (0.069 R)
• M43: 11,716,954 km (0.088 R)
• M44: 12,048,164 km (0.116 R)
• M45: 12,413,183 km (0.06 R)
• M46: 12,566,371 km (0.113 R)
• M47: 13,153,991 km (0.05 R)
• M48: 14,388,473 km (0.093 R)
• M49: 14,484,963 km (0.072 R)
• M50: 15,035,783 km (0.074 R)
• M51: 15,231,906 km (0.098 R)
• M52: 15,560,572 km (0.09 R)
• M53: 16,459,655 km (0.038 R)
• M54: 16,898,725 km (0.105 R)
• M55: 17,000,601 km (0.031 R)
• M56: 17,102,627 km (0.073 R)
• M57: 17,273,169 km (0.114 R)
• M58: 17,684,862 km (0.046 R)
• M59: 17,891,905 km (0.103 R)
• M60: 19,827,103 km (0.095 R)
• M61: 20,547,118 km (0.087 R)
• M62: 21,459,366 km (0.111 R)
• M63: 21,975,927 km (0.115 R)
• M64: 22,124,328 km (0.098 R)
• M65: 22,384,778 km (0.107 R)
• M66: 22,721,224 km (0.079 R)
• M67: 23,398,902 km (0.116 R)
• M68: 23,512,447 km (0.091 R)
• M69: 24,045,015 km (0.089 R)
• M70: 24,389,539 km (0.095 R)
• M71: 24,620,070 km (0.119 R)
• M72: 25,744,746 km (0.113 R)
• M73: 25,940,420 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 968.5

Radius: 4.9

Gravity: 40.34 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.13 AU - 7.41 AU

Year: 10470 Days

Day: 21.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 168.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 55,469,863 km

• M1: 108,309 km (0.085 R)
• M2: 266,883 km (0.113 R)
• M3: 363,373 km (0.107 R)
• M4: 408,253 km (0.072 R)
• M5: 471,383 km (0.1 R)
• M6: 937,081 km (0.116 R)
• M7: 1,385,875 km (0.105 R)
• M8: 1,507,348 km (0.113 R)
• M9: 1,557,015 km (0.097 R)
• M10: 2,082,402 km (0.081 R)
• M11: 2,137,754 km (0.066 R)
• M12: 2,278,376 km (0.05 R)
• M13: 2,539,125 km (0.113 R)
• M14: 3,183,891 km (0.034 R)
• M15: 3,910,488 km (0.079 R)
• M16: 4,292,412 km (0.074 R)
• M17: 4,868,962 km (0.088 R)
• M18: 5,469,448 km (0.106 R)
• M19: 5,661,980 km (0.085 R)
• M20: 6,053,627 km (0.119 R)
• M21: 6,453,951 km (0.09 R)
• M22: 7,237,844 km (0.105 R)
• M23: 7,534,198 km (0.047 R)
• M24: 8,007,974 km (0.099 R)
• M25: 8,938,922 km (0.031 R)
• M26: 9,256,817 km (0.112 R)
• M27: 10,044,001 km (0.042 R)
• M28: 10,185,221 km (0.03 R)
• M29: 10,852,578 km (0.055 R)
• M30: 10,997,388 km (0.107 R)
• M31: 11,583,214 km (0.045 R)
• M32: 12,229,327 km (0.11 R)
• M33: 12,379,972 km (0.077 R)
• M34: 13,245,844 km (0.05 R)
• M35: 13,659,931 km (0.118 R)
• M36: 14,500,970 km (0.048 R)
• M37: 14,767,255 km (0.064 R)
• M38: 15,793,646 km (0.106 R)
• M39: 15,848,398 km (0.104 R)
• M40: 16,122,611 km (0.111 R)
• M41: 16,509,172 km (0.093 R)
• M42: 17,010,624 km (0.053 R)
• M43: 17,857,647 km (0.107 R)
• M44: 18,660,390 km (0.054 R)
• M45: 19,066,249 km (0.065 R)
• M46: 19,768,611 km (0.077 R)
• M47: 20,360,420 km (0.048 R)
• M48: 21,078,190 km (0.079 R)
• M49: 22,292,925 km (0.099 R)
• M50: 22,354,260 km (0.071 R)
• M51: 22,785,102 km (0.052 R)
• M52: 23,780,227 km (0.117 R)
• M53: 23,842,909 km (0.12 R)
• M54: 25,044,030 km (0.09 R)
• M55: 26,914,901 km (0.044 R)
• M56: 28,231,063 km (0.056 R)
• M57: 28,963,943 km (0.086 R)
• M58: 30,652,604 km (0.099 R)
• M59: 31,474,345 km (0.072 R)
• M60: 31,680,939 km (0.094 R)
• M61: 31,749,904 km (0.119 R)
• M62: 31,957,097 km (0.105 R)
• M63: 32,303,416 km (0.113 R)
• M64: 33,139,668 km (0.092 R)
• M65: 33,490,176 km (0.089 R)
• M66: 34,053,562 km (0.115 R)
• M67: 36,194,158 km (0.089 R)
• M68: 36,410,626 km (0.113 R)
• M69: 36,699,798 km (0.086 R)
• M70: 37,791,264 km (0.1 R)
• M71: 38,819,600 km (0.114 R)
• M72: 39,189,107 km (0.102 R)
• M73: 39,931,561 km (0.107 R)
• M74: 42,110,753 km (0.086 R)
• M75: 42,871,159 km (0.081 R)
• M76: 44,559,970 km (0.112 R)
• M77: 45,024,322 km (0.039 R)
• M78: 45,412,528 km (0.115 R)
• M79: 45,567,960 km (0.08 R)
• M80: 45,645,901 km (0.114 R)
• M81: 45,723,841 km (0.117 R)
• M82: 46,270,322 km (0.113 R)
• M83: 47,212,340 km (0.083 R)
• M84: 47,291,028 km (0.091 R)
• M85: 47,448,705 km (0.115 R)
• M86: 48,160,641 km (0.108 R)
• M87: 49,674,871 km (0.088 R)
• M88: 49,995,608 km (0.076 R)
• M89: 50,639,178 km (0.049 R)
• M90: 51,609,769 km (0.09 R)
• M91: 51,772,083 km (0.086 R)
• M92: 53,733,610 km (0.103 R)
• M93: 54,063,025 km (0.112 R)
• M94: 54,227,882 km (0.07 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 19,569 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit