🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 9.4

Gravity: 9.58 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.79 AU - 1.03 AU

Year: 589 Days

Day: 14.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (56)

Outer Limit: 25,190,623 km

• M1: 117,584 km (0.116 R)
• M2: 185,352 km (0.094 R)
• M3: 389,104 km (0.093 R)
• M4: 472,280 km (0.119 R)
• M5: 531,671 km (0.041 R)
• M6: 607,667 km (0.046 R)
• M7: 697,724 km (0.107 R)
• M8: 924,515 km (0.095 R)
• M9: 1,104,331 km (0.071 R)
• M10: 1,277,566 km (0.072 R)
• M11: 1,427,762 km (0.111 R)
• M12: 1,518,119 km (0.04 R)
• M13: 1,597,256 km (0.086 R)
• M14: 1,670,859 km (0.063 R)
• M15: 1,752,689 km (0.108 R)
• M16: 1,870,871 km (0.093 R)
• M17: 2,256,684 km (0.047 R)
• M18: 2,408,825 km (0.04 R)
• M19: 2,731,208 km (0.079 R)
• M20: 2,803,913 km (0.081 R)
• M21: 3,059,127 km (0.094 R)
• M22: 3,126,296 km (0.099 R)
• M23: 3,296,239 km (0.113 R)
• M24: 3,443,145 km (0.114 R)
• M25: 3,521,833 km (0.091 R)
• M26: 3,851,696 km (0.105 R)
• M27: 3,951,628 km (0.051 R)
• M28: 4,052,606 km (0.095 R)
• M29: 4,474,173 km (0.119 R)
• M30: 4,541,043 km (0.102 R)
• M31: 4,656,383 km (0.108 R)
• M32: 4,772,770 km (0.098 R)
• M33: 5,008,537 km (0.038 R)
• M34: 5,137,789 km (0.1 R)
• M35: 5,217,974 km (0.088 R)
• M36: 5,318,653 km (0.087 R)
• M37: 5,552,923 km (0.03 R)
• M38: 5,645,524 km (0.094 R)
• M39: 5,728,252 km (0.073 R)
• M40: 5,873,960 km (0.109 R)
• M41: 6,073,674 km (0.082 R)
• M42: 6,137,253 km (0.117 R)
• M43: 6,222,374 km (0.105 R)
• M44: 6,447,668 km (0.117 R)
• M45: 6,523,365 km (0.068 R)
• M46: 6,599,360 km (0.032 R)
• M47: 6,752,100 km (0.045 R)
• M48: 6,917,256 km (0.073 R)
• M49: 6,983,677 km (0.068 R)
• M50: 7,061,468 km (0.063 R)
• M51: 7,128,339 km (0.119 R)
• M52: 7,206,578 km (0.079 R)
• M53: 7,330,296 km (0.088 R)
• M54: 7,409,283 km (0.109 R)
• M55: 7,499,940 km (0.099 R)
• M56: 7,636,672 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 930.8

Radius: 10.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.91 AU - 1.21 AU

Year: 740 Days

Day: 11.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 25,190,623 km

• M1: 156,629 km (0.103 R)
• M2: 252,820 km (0.103 R)
• M3: 426,803 km (0.101 R)
• M4: 495,169 km (0.094 R)
• M5: 710,141 km (0.114 R)
• M6: 777,460 km (0.045 R)
• M7: 901,028 km (0.026 R)
• M8: 980,913 km (0.118 R)
• M9: 1,181,973 km (0.115 R)
• M10: 1,270,385 km (0.118 R)
• M11: 1,468,752 km (0.075 R)
• M12: 1,564,345 km (0.108 R)
• M13: 1,840,503 km (0.052 R)
• M14: 1,912,010 km (0.068 R)
• M15: 2,066,246 km (0.05 R)
• M16: 2,275,384 km (0.109 R)
• M17: 2,386,984 km (0.105 R)
• M18: 2,482,876 km (0.119 R)
• M19: 2,633,671 km (0.097 R)
• M20: 2,705,627 km (0.098 R)
• M21: 2,916,560 km (0.113 R)
• M22: 3,066,457 km (0.109 R)
• M23: 3,132,879 km (0.028 R)
• M24: 3,442,546 km (0.109 R)
• M25: 3,571,350 km (0.081 R)
• M26: 3,641,212 km (0.068 R)
• M27: 3,711,673 km (0.083 R)
• M28: 3,853,940 km (0.086 R)
• M29: 4,029,269 km (0.044 R)
• M30: 4,123,067 km (0.117 R)
• M31: 4,217,762 km (0.117 R)
• M32: 4,387,706 km (0.066 R)
• M33: 4,560,042 km (0.117 R)
• M34: 4,657,879 km (0.092 R)
• M35: 4,756,464 km (0.119 R)
• M36: 4,900,228 km (0.102 R)
• M37: 5,000,458 km (0.078 R)
• M38: 5,112,806 km (0.077 R)
• M39: 5,191,944 km (0.116 R)
• M40: 5,374,304 km (0.084 R)
• M41: 5,512,532 km (0.103 R)
• M42: 5,605,283 km (0.112 R)
• M43: 5,815,916 km (0.102 R)
• M44: 5,957,885 km (0.05 R)
• M45: 6,197,092 km (0.033 R)
• M46: 6,354,170 km (0.11 R)
• M47: 6,427,173 km (0.099 R)
• M48: 6,623,147 km (0.103 R)
• M49: 6,759,131 km (0.071 R)
• M50: 6,883,447 km (0.077 R)
• M51: 6,958,395 km (0.108 R)
• M52: 7,478,098 km (0.09 R)
• M53: 7,632,633 km (0.117 R)
• M54: 7,944,844 km (0.052 R)
• M55: 8,010,368 km (0.07 R)
• M56: 8,142,163 km (0.075 R)
• M57: 8,261,243 km (0.034 R)
• M58: 8,367,607 km (0.093 R)
• M59: 8,474,570 km (0.064 R)
• M60: 8,541,590 km (0.109 R)
• M61: 8,947,449 km (0.114 R)
• M62: 9,276,564 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.8

Radius: 14.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 1.34 AU - 1.48 AU

Year: 1136 Days

Day: 6 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 25,190,623 km

• M1: 183,407 km (0.085 R)
• M2: 274,811 km (0.078 R)
• M3: 416,929 km (0.076 R)
• M4: 566,976 km (0.07 R)
• M5: 739,462 km (0.059 R)
• M6: 953,686 km (0.12 R)
• M7: 1,057,807 km (0.073 R)
• M8: 1,197,830 km (0.051 R)
• M9: 1,594,265 km (0.079 R)
• M10: 1,720,675 km (0.112 R)
• M11: 1,888,075 km (0.097 R)
• M12: 2,002,966 km (0.025 R)
• M13: 2,341,655 km (0.078 R)
• M14: 2,518,031 km (0.076 R)
• M15: 2,774,592 km (0.118 R)
• M16: 2,950,668 km (0.065 R)
• M17: 3,051,348 km (0.118 R)
• M18: 3,244,778 km (0.105 R)
• M19: 3,524,975 km (0.038 R)
• M20: 3,716,161 km (0.12 R)
• M21: 4,121,571 km (0.059 R)
• M22: 4,247,383 km (0.073 R)
• M23: 4,515,612 km (0.051 R)
• M24: 4,961,862 km (0.111 R)
• M25: 5,340,195 km (0.072 R)
• M26: 5,602,291 km (0.108 R)
• M27: 5,727,953 km (0.07 R)
• M28: 6,039,116 km (0.063 R)
• M29: 6,225,665 km (0.092 R)
• M30: 6,530,994 km (0.086 R)
• M31: 6,796,680 km (0.085 R)
• M32: 7,171,722 km (0.11 R)
• M33: 7,277,936 km (0.104 R)
• M34: 7,770,413 km (0.104 R)
• M35: 7,973,567 km (0.12 R)
• M36: 8,225,938 km (0.107 R)
• M37: 8,385,110 km (0.097 R)
• M38: 8,836,297 km (0.088 R)
• M39: 9,081,189 km (0.114 R)
• M40: 9,179,774 km (0.114 R)
• M41: 9,295,413 km (0.12 R)
• M42: 9,644,874 km (0.077 R)
• M43: 9,762,308 km (0.119 R)
• M44: 10,117,603 km (0.078 R)
• M45: 10,408,272 km (0.1 R)
• M46: 10,597,962 km (0.099 R)
• M47: 10,788,699 km (0.037 R)
• M48: 11,173,615 km (0.095 R)
• M49: 11,314,835 km (0.119 R)
• M50: 11,545,365 km (0.096 R)
• M51: 11,975,160 km (0.099 R)
• M52: 12,282,883 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.2

Radius: 9.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.44 AU - 1.82 AU

Year: 1411 Days

Day: 10.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 25,190,623 km

• M1: 127,009 km (0.073 R)
• M2: 198,965 km (0.077 R)
• M3: 268,379 km (0.068 R)
• M4: 359,184 km (0.093 R)
• M5: 569,818 km (0.106 R)
• M6: 776,413 km (0.047 R)
• M7: 894,894 km (0.109 R)
• M8: 1,195,736 km (0.115 R)
• M9: 1,267,692 km (0.087 R)
• M10: 1,354,609 km (0.108 R)
• M11: 1,485,656 km (0.118 R)
• M12: 1,599,201 km (0.037 R)
• M13: 1,708,408 km (0.118 R)
• M14: 1,812,677 km (0.102 R)
• M15: 1,903,783 km (0.116 R)
• M16: 2,332,979 km (0.097 R)
• M17: 2,457,594 km (0.102 R)
• M18: 2,541,817 km (0.107 R)
• M19: 2,670,172 km (0.077 R)
• M20: 2,748,262 km (0.071 R)
• M21: 2,818,274 km (0.105 R)
• M22: 2,897,860 km (0.091 R)
• M23: 3,032,050 km (0.066 R)
• M24: 3,131,831 km (0.059 R)
• M25: 3,205,134 km (0.118 R)
• M26: 3,278,886 km (0.047 R)
• M27: 3,353,386 km (0.106 R)
• M28: 3,418,910 km (0.045 R)
• M29: 3,541,879 km (0.049 R)
• M30: 3,637,472 km (0.099 R)
• M31: 3,870,546 km (0.057 R)
• M32: 3,949,384 km (0.085 R)
• M33: 4,038,694 km (0.111 R)
• M34: 4,138,625 km (0.114 R)
• M35: 4,269,822 km (0.107 R)
• M36: 4,433,333 km (0.06 R)
• M37: 4,609,260 km (0.05 R)
• M38: 4,745,394 km (0.074 R)
• M39: 4,808,674 km (0.12 R)
• M40: 4,936,131 km (0.114 R)
• M41: 5,140,183 km (0.055 R)
• M42: 5,226,950 km (0.087 R)
• M43: 5,457,181 km (0.105 R)
• M44: 5,590,173 km (0.099 R)
• M45: 5,668,263 km (0.04 R)
• M46: 5,825,491 km (0.099 R)
• M47: 5,904,628 km (0.09 R)
• M48: 5,984,214 km (0.044 R)
• M49: 6,236,586 km (0.073 R)
• M50: 6,457,392 km (0.054 R)
• M51: 6,539,372 km (0.084 R)
• M52: 6,668,923 km (0.111 R)
• M53: 7,086,900 km (0.103 R)
• M54: 7,244,426 km (0.067 R)
• M55: 7,599,721 km (0.08 R)
• M56: 7,773,405 km (0.064 R)
• M57: 7,873,186 km (0.118 R)
• M58: 7,985,983 km (0.099 R)
• M59: 8,149,793 km (0.098 R)
• M60: 8,378,528 km (0.111 R)
• M61: 8,686,849 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.1

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.68 AU - 2.76 AU

Year: 3043 Days

Day: 6.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 25,190,623 km

• M1: 180,415 km (0.079 R)
• M2: 410,497 km (0.092 R)
• M3: 785,987 km (0.094 R)
• M4: 880,683 km (0.096 R)
• M5: 1,130,661 km (0.095 R)
• M6: 1,252,284 km (0.09 R)
• M7: 1,483,263 km (0.086 R)
• M8: 1,604,288 km (0.086 R)
• M9: 2,032,437 km (0.085 R)
• M10: 2,229,307 km (0.116 R)
• M11: 2,338,065 km (0.079 R)
• M12: 2,464,475 km (0.088 R)
• M13: 2,993,902 km (0.107 R)
• M14: 3,097,125 km (0.107 R)
• M15: 3,325,112 km (0.102 R)
• M16: 3,468,277 km (0.079 R)
• M17: 3,558,784 km (0.102 R)
• M18: 4,234,069 km (0.04 R)
• M19: 4,350,605 km (0.078 R)
• M20: 4,527,280 km (0.108 R)
• M21: 4,766,787 km (0.088 R)
• M22: 5,175,189 km (0.111 R)
• M23: 5,595,110 km (0.047 R)
• M24: 5,830,876 km (0.115 R)
• M25: 6,048,092 km (0.085 R)
• M26: 6,356,713 km (0.109 R)
• M27: 6,557,772 km (0.118 R)
• M28: 6,715,748 km (0.05 R)
• M29: 6,874,920 km (0.12 R)
• M30: 6,966,474 km (0.055 R)
• M31: 7,173,966 km (0.105 R)
• M32: 7,360,215 km (0.097 R)
• M33: 8,757,609 km (0.028 R)
• M34: 8,931,741 km (0.069 R)
• M35: 9,385,022 km (0.065 R)
• M36: 9,614,506 km (0.064 R)
• M37: 10,261,666 km (0.103 R)
• M38: 10,736,490 km (0.108 R)
• M39: 11,083,856 km (0.091 R)
• M40: 11,516,493 km (0.1 R)
• M41: 12,009,867 km (0.061 R)
• M42: 12,231,421 km (0.084 R)
• M43: 12,454,322 km (0.111 R)
• M44: 12,650,445 km (0.119 R)
• M45: 12,819,341 km (0.059 R)
• M46: 13,187,950 km (0.084 R)
• M47: 13,416,535 km (0.082 R)
• M48: 13,531,427 km (0.096 R)
• M49: 13,761,957 km (0.119 R)
• M50: 14,139,542 km (0.086 R)
• M51: 14,314,871 km (0.058 R)
• M52: 14,490,947 km (0.081 R)
• M53: 15,142,895 km (0.044 R)
• M54: 15,382,401 km (0.033 R)
• M55: 15,562,816 km (0.095 R)
• M56: 15,834,785 km (0.063 R)
• M57: 16,814,501 km (0.052 R)
• M58: 17,436,829 km (0.111 R)
• M59: 17,530,776 km (0.094 R)
• M60: 17,625,023 km (0.102 R)
• M61: 17,845,380 km (0.1 R)
• M62: 17,940,076 km (0.059 R)
• M63: 18,480,124 km (0.116 R)
• M64: 18,608,030 km (0.062 R)
• M65: 18,768,250 km (0.082 R)
• M66: 18,896,754 km (0.088 R)
• M67: 19,057,871 km (0.088 R)
• M68: 20,165,045 km (0.046 R)
• M69: 20,263,780 km (0.07 R)
• M70: 21,427,352 km (0.115 R)
• M71: 22,373,708 km (0.096 R)
• M72: 22,646,574 km (0.103 R)
• M73: 23,023,711 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 10.1

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.25 AU - 3.47 AU

Year: 4177 Days

Day: 7.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 25,190,623 km

• M1: 226,491 km (0.05 R)
• M2: 359,334 km (0.116 R)
• M3: 533,316 km (0.074 R)
• M4: 631,602 km (0.075 R)
• M5: 746,643 km (0.103 R)
• M6: 879,785 km (0.099 R)
• M7: 1,032,525 km (0.085 R)
• M8: 1,147,266 km (0.096 R)
• M9: 1,491,790 km (0.079 R)
• M10: 1,649,317 km (0.099 R)
• M11: 1,896,153 km (0.081 R)
• M12: 2,110,976 km (0.099 R)
• M13: 2,690,817 km (0.107 R)
• M14: 3,182,396 km (0.092 R)
• M15: 3,335,285 km (0.111 R)
• M16: 3,473,363 km (0.106 R)
• M17: 3,543,076 km (0.102 R)
• M18: 3,666,345 km (0.075 R)
• M19: 3,880,868 km (0.074 R)
• M20: 4,026,277 km (0.075 R)
• M21: 4,099,580 km (0.069 R)
• M22: 4,229,132 km (0.089 R)
• M23: 4,511,124 km (0.046 R)
• M24: 4,683,311 km (0.091 R)
• M25: 5,073,911 km (0.079 R)
• M26: 5,393,901 km (0.105 R)
• M27: 5,658,839 km (0.103 R)
• M28: 5,886,377 km (0.08 R)
• M29: 6,760,777 km (0.112 R)
• M30: 6,826,450 km (0.109 R)
• M31: 7,046,509 km (0.039 R)
• M32: 7,539,284 km (0.058 R)
• M33: 7,835,637 km (0.07 R)
• M34: 8,066,168 km (0.063 R)
• M35: 8,182,405 km (0.082 R)
• M36: 8,416,376 km (0.094 R)
• M37: 8,890,901 km (0.096 R)
• M38: 9,398,636 km (0.099 R)
• M39: 9,693,044 km (0.065 R)
• M40: 10,366,384 km (0.111 R)
• M41: 10,594,222 km (0.066 R)
• M42: 10,670,517 km (0.105 R)
• M43: 10,798,124 km (0.119 R)
• M44: 11,469,968 km (0.072 R)
• M45: 12,208,533 km (0.096 R)
• M46: 12,341,974 km (0.044 R)
• M47: 12,449,236 km (0.055 R)
• M48: 13,400,080 km (0.111 R)
• M49: 14,430,510 km (0.09 R)
• M50: 14,543,456 km (0.054 R)
• M51: 14,941,087 km (0.083 R)
• M52: 15,112,526 km (0.042 R)
• M53: 15,342,159 km (0.094 R)
• M54: 16,038,238 km (0.089 R)
• M55: 16,566,917 km (0.025 R)
• M56: 17,011,971 km (0.1 R)
• M57: 17,490,983 km (0.087 R)
• M58: 17,671,847 km (0.094 R)
• M59: 18,096,106 km (0.117 R)
• M60: 18,309,433 km (0.085 R)
• M61: 18,738,779 km (0.074 R)
• M62: 19,544,812 km (0.109 R)
• M63: 19,669,726 km (0.09 R)
• M64: 19,857,771 km (0.083 R)
• M65: 20,109,395 km (0.089 R)
• M66: 20,679,512 km (0.104 R)
• M67: 21,222,702 km (0.103 R)
• M68: 21,319,043 km (0.103 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.5

Radius: 8.1

Gravity: 2.08 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.51 AU - 6.31 AU

Year: 8535 Days

Day: 10 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 25,190,623 km

• M1: 102,923 km (0.066 R)
• M2: 171,738 km (0.079 R)
• M3: 1,016,069 km (0.115 R)
• M4: 1,091,915 km (0.11 R)
• M5: 1,143,676 km (0.085 R)
• M6: 1,514,828 km (0.12 R)
• M7: 1,736,682 km (0.074 R)
• M8: 1,921,734 km (0.089 R)
• M9: 2,016,729 km (0.104 R)
• M10: 2,515,189 km (0.101 R)
• M11: 2,584,602 km (0.102 R)
• M12: 2,742,877 km (0.111 R)
• M13: 2,796,433 km (0.084 R)
• M14: 2,850,288 km (0.049 R)
• M15: 3,350,544 km (0.105 R)
• M16: 3,620,717 km (0.102 R)
• M17: 3,679,509 km (0.111 R)
• M18: 3,798,140 km (0.102 R)
• M19: 3,857,979 km (0.073 R)
• M20: 3,978,555 km (0.04 R)
• M21: 4,100,328 km (0.066 R)
• M22: 4,285,381 km (0.115 R)
• M23: 4,431,239 km (0.078 R)
• M24: 4,621,228 km (0.1 R)
• M25: 4,878,686 km (0.065 R)
• M26: 6,024,456 km (0.086 R)
• M27: 7,473,461 km (0.118 R)
• M28: 8,159,367 km (0.1 R)
• M29: 8,210,978 km (0.067 R)
• M30: 8,865,170 km (0.104 R)
• M31: 10,056,866 km (0.067 R)
• M32: 10,334,670 km (0.118 R)
• M33: 10,558,767 km (0.063 R)
• M34: 10,615,016 km (0.081 R)
• M35: 10,784,510 km (0.061 R)
• M36: 10,841,208 km (0.089 R)
• M37: 10,897,906 km (0.119 R)
• M38: 11,126,042 km (0.116 R)
• M39: 11,298,080 km (0.068 R)
• M40: 13,340,091 km (0.071 R)
• M41: 15,079,166 km (0.101 R)
• M42: 16,039,884 km (0.095 R)
• M43: 16,201,898 km (0.061 R)
• M44: 17,251,776 km (0.082 R)
• M45: 18,053,621 km (0.11 R)
• M46: 18,628,824 km (0.091 R)
• M47: 19,244,569 km (0.042 R)
• M48: 19,658,656 km (0.077 R)
• M49: 21,701,565 km (0.096 R)
• M50: 22,639,095 km (0.073 R)
• M51: 23,186,024 km (0.09 R)
• M52: 23,589,789 km (0.119 R)
• M53: 25,115,388 km (0.076 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 377 - 17,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit