🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.63 AU - 1.01 AU

Year: 495 Days

Day: 8.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 71,287,734 km

• M1: 178,321 km (0.106 R)
• M2: 282,890 km (0.065 R)
• M3: 411,693 km (0.115 R)
• M4: 563,086 km (0.106 R)
• M5: 676,930 km (0.056 R)
• M6: 782,098 km (0.115 R)
• M7: 937,081 km (0.115 R)
• M8: 1,026,541 km (0.103 R)
• M9: 1,177,335 km (0.092 R)
• M10: 1,297,163 km (0.089 R)
• M11: 1,387,071 km (0.066 R)
• M12: 1,544,000 km (0.085 R)
• M13: 1,664,276 km (0.109 R)
• M14: 1,895,555 km (0.108 R)
• M15: 2,117,558 km (0.082 R)
• M16: 2,431,863 km (0.031 R)
• M17: 2,559,171 km (0.058 R)
• M18: 2,879,909 km (0.094 R)
• M19: 2,977,147 km (0.098 R)
• M20: 3,128,989 km (0.097 R)
• M21: 3,275,894 km (0.108 R)
• M22: 3,504,330 km (0.111 R)
• M23: 3,608,600 km (0.091 R)
• M24: 3,977,359 km (0.096 R)
• M25: 4,247,233 km (0.113 R)
• M26: 4,558,098 km (0.111 R)
• M27: 4,725,198 km (0.074 R)
• M28: 4,849,664 km (0.072 R)
• M29: 4,948,099 km (0.107 R)
• M30: 5,183,865 km (0.052 R)
• M31: 5,451,197 km (0.108 R)
• M32: 5,647,619 km (0.042 R)
• M33: 5,751,440 km (0.075 R)
• M34: 6,066,792 km (0.102 R)
• M35: 6,163,582 km (0.078 R)
• M36: 6,260,820 km (0.074 R)
• M37: 6,585,448 km (0.065 R)
• M38: 6,704,827 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 9.8

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.16 AU - 1.42 AU

Year: 977 Days

Day: 14.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 71,287,734 km

• M1: 124,166 km (0.068 R)
• M2: 193,580 km (0.112 R)
• M3: 340,335 km (0.06 R)
• M4: 411,693 km (0.069 R)
• M5: 475,272 km (0.068 R)
• M6: 646,263 km (0.057 R)
• M7: 762,500 km (0.1 R)
• M8: 892,351 km (0.116 R)
• M9: 1,010,833 km (0.112 R)
• M10: 1,095,056 km (0.114 R)
• M11: 1,215,782 km (0.113 R)
• M12: 1,284,896 km (0.099 R)
• M13: 1,376,749 km (0.075 R)
• M14: 1,507,647 km (0.112 R)
• M15: 1,627,774 km (0.116 R)
• M16: 1,743,264 km (0.084 R)
• M17: 1,885,532 km (0.104 R)
• M18: 2,023,610 km (0.05 R)
• M19: 2,181,885 km (0.072 R)
• M20: 2,493,198 km (0.077 R)
• M21: 2,699,643 km (0.085 R)
• M22: 2,781,922 km (0.109 R)
• M23: 2,883,649 km (0.063 R)
• M24: 3,129,288 km (0.109 R)
• M25: 3,215,756 km (0.066 R)
• M26: 3,303,271 km (0.089 R)
• M27: 3,421,004 km (0.095 R)
• M28: 3,772,709 km (0.119 R)
• M29: 3,834,193 km (0.06 R)
• M30: 4,041,536 km (0.1 R)
• M31: 4,413,436 km (0.075 R)
• M32: 4,521,745 km (0.096 R)
• M33: 4,785,187 km (0.083 R)
• M34: 5,201,368 km (0.065 R)
• M35: 5,373,406 km (0.107 R)
• M36: 5,512,382 km (0.069 R)
• M37: 5,582,394 km (0.035 R)
• M38: 5,734,984 km (0.067 R)
• M39: 6,020,267 km (0.042 R)
• M40: 6,128,576 km (0.093 R)
• M41: 6,285,953 km (0.038 R)
• M42: 6,395,758 km (0.109 R)
• M43: 6,543,261 km (0.108 R)
• M44: 6,716,645 km (0.081 R)
• M45: 6,791,444 km (0.097 R)
• M46: 6,904,241 km (0.109 R)
• M47: 7,068,200 km (0.03 R)
• M48: 7,156,912 km (0.09 R)
• M49: 7,220,640 km (0.119 R)
• M50: 7,284,519 km (0.062 R)
• M51: 7,412,724 km (0.069 R)
• M52: 7,490,066 km (0.11 R)
• M53: 7,606,603 km (0.044 R)
• M54: 8,025,776 km (0.07 R)
• M55: 8,105,213 km (0.06 R)
• M56: 8,238,205 km (0.118 R)
• M57: 8,304,926 km (0.11 R)
• M58: 8,519,748 km (0.11 R)
• M59: 8,600,830 km (0.112 R)
• M60: 8,709,289 km (0.067 R)
• M61: 8,845,572 km (0.096 R)
• M62: 8,927,702 km (0.111 R)
• M63: 9,106,322 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.6

Radius: 9.8

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.26 AU - 1.9 AU

Year: 1324 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 71,287,734 km

• M1: 124,465 km (0.085 R)
• M2: 221,704 km (0.085 R)
• M3: 368,160 km (0.102 R)
• M4: 432,188 km (0.109 R)
• M5: 552,914 km (0.07 R)
• M6: 618,138 km (0.102 R)
• M7: 739,163 km (0.089 R)
• M8: 824,733 km (0.117 R)
• M9: 939,923 km (0.066 R)
• M10: 1,095,505 km (0.112 R)
• M11: 1,180,028 km (0.089 R)
• M12: 1,378,844 km (0.086 R)
• M13: 1,517,670 km (0.113 R)
• M14: 1,784,254 km (0.111 R)
• M15: 1,953,150 km (0.051 R)
• M16: 2,074,623 km (0.118 R)
• M17: 2,154,060 km (0.115 R)
• M18: 2,288,847 km (0.11 R)
• M19: 2,454,303 km (0.1 R)
• M20: 2,547,951 km (0.075 R)
• M21: 2,914,915 km (0.088 R)
• M22: 3,064,512 km (0.091 R)
• M23: 3,165,641 km (0.08 R)
• M24: 3,475,757 km (0.058 R)
• M25: 3,613,088 km (0.087 R)
• M26: 3,763,284 km (0.084 R)
• M27: 3,849,901 km (0.119 R)
• M28: 3,959,257 km (0.041 R)
• M29: 4,091,801 km (0.099 R)
• M30: 4,338,787 km (0.067 R)
• M31: 4,406,854 km (0.075 R)
• M32: 4,486,889 km (0.112 R)
• M33: 4,764,991 km (0.094 R)
• M34: 4,941,666 km (0.113 R)
• M35: 5,289,482 km (0.112 R)
• M36: 6,174,203 km (0.11 R)
• M37: 6,328,289 km (0.101 R)
• M38: 6,574,826 km (0.103 R)
• M39: 6,745,518 km (0.028 R)
• M40: 6,877,613 km (0.08 R)
• M41: 7,024,069 km (0.053 R)
• M42: 7,320,123 km (0.106 R)
• M43: 7,647,593 km (0.094 R)
• M44: 7,757,846 km (0.062 R)
• M45: 7,827,110 km (0.106 R)
• M46: 8,288,919 km (0.051 R)
• M47: 8,501,797 km (0.111 R)
• M48: 8,573,155 km (0.102 R)
• M49: 8,802,788 km (0.058 R)
• M50: 8,903,916 km (0.096 R)
• M51: 8,990,982 km (0.078 R)
• M52: 9,341,789 km (0.11 R)
• M53: 9,533,723 km (0.105 R)
• M54: 9,667,314 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.5

Radius: 8

Gravity: 7.29 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.87 AU - 2.23 AU

Year: 1957 Days

Day: 12.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 71,287,734 km

• M1: 115,789 km (0.116 R)
• M2: 229,782 km (0.074 R)
• M3: 437,125 km (0.094 R)
• M4: 545,883 km (0.081 R)
• M5: 657,183 km (0.095 R)
• M6: 761,154 km (0.1 R)
• M7: 1,062,893 km (0.039 R)
• M8: 1,159,683 km (0.108 R)
• M9: 1,457,981 km (0.042 R)
• M10: 1,526,497 km (0.03 R)
• M11: 1,717,982 km (0.085 R)
• M12: 1,780,065 km (0.044 R)
• M13: 1,832,424 km (0.056 R)
• M14: 1,992,644 km (0.063 R)
• M15: 2,157,650 km (0.115 R)
• M16: 2,571,587 km (0.105 R)
• M17: 2,642,946 km (0.063 R)
• M18: 2,935,409 km (0.045 R)
• M19: 3,110,738 km (0.082 R)
• M20: 3,225,330 km (0.102 R)
• M21: 3,302,523 km (0.076 R)
• M22: 3,393,329 km (0.119 R)
• M23: 3,751,466 km (0.063 R)
• M24: 3,997,106 km (0.084 R)
• M25: 4,219,707 km (0.108 R)
• M26: 4,290,168 km (0.079 R)
• M27: 4,561,389 km (0.096 R)
• M28: 4,794,163 km (0.104 R)
• M29: 4,867,765 km (0.039 R)
• M30: 5,016,017 km (0.113 R)
• M31: 5,075,706 km (0.107 R)
• M32: 5,165,614 km (0.118 R)
• M33: 5,362,485 km (0.043 R)
• M34: 5,469,597 km (0.064 R)
• M35: 5,546,491 km (0.117 R)
• M36: 5,608,275 km (0.066 R)
• M37: 6,286,851 km (0.041 R)
• M38: 6,351,327 km (0.086 R)
• M39: 6,497,185 km (0.075 R)
• M40: 6,874,920 km (0.066 R)
• M41: 7,125,047 km (0.085 R)
• M42: 7,192,366 km (0.078 R)
• M43: 7,395,221 km (0.119 R)
• M44: 7,806,914 km (0.095 R)
• M45: 8,032,957 km (0.075 R)
• M46: 8,598,736 km (0.117 R)
• M47: 9,268,785 km (0.088 R)
• M48: 9,471,191 km (0.037 R)
• M49: 9,545,242 km (0.115 R)
• M50: 9,805,692 km (0.078 R)
• M51: 9,899,340 km (0.06 R)
• M52: 9,993,138 km (0.1 R)
• M53: 10,371,770 km (0.101 R)
• M54: 10,467,213 km (0.063 R)
• M55: 10,543,658 km (0.099 R)
• M56: 10,601,104 km (0.108 R)
• M57: 10,716,443 km (0.115 R)
• M58: 10,929,022 km (0.108 R)
• M59: 11,221,037 km (0.097 R)
• M60: 11,397,563 km (0.061 R)
• M61: 11,456,654 km (0.096 R)
• M62: 12,152,882 km (0.034 R)
• M63: 12,455,369 km (0.057 R)
• M64: 12,760,549 km (0.111 R)
• M65: 13,006,338 km (0.079 R)
• M66: 13,502,704 km (0.091 R)
• M67: 14,195,342 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83.6

Radius: 8.7

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 1.64 AU - 2.6 AU

Year: 2058 Days

Day: 12.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 71,287,734 km

• M1: 118,930 km (0.033 R)
• M2: 310,864 km (0.076 R)
• M3: 431,440 km (0.111 R)
• M4: 569,220 km (0.086 R)
• M5: 661,522 km (0.119 R)
• M6: 732,880 km (0.091 R)
• M7: 1,052,122 km (0.11 R)
• M8: 1,262,307 km (0.12 R)
• M9: 1,399,039 km (0.066 R)
• M10: 1,533,827 km (0.026 R)
• M11: 2,032,137 km (0.09 R)
• M12: 2,123,691 km (0.115 R)
• M13: 2,422,887 km (0.103 R)
• M14: 2,769,356 km (0.072 R)
• M15: 3,499,693 km (0.093 R)
• M16: 3,787,369 km (0.113 R)
• M17: 3,919,763 km (0.119 R)
• M18: 4,063,377 km (0.042 R)
• M19: 4,228,234 km (0.071 R)
• M20: 4,554,507 km (0.11 R)
• M21: 4,634,841 km (0.042 R)
• M22: 4,827,673 km (0.071 R)
• M23: 5,116,546 km (0.116 R)
• M24: 5,189,550 km (0.103 R)
• M25: 5,711,198 km (0.101 R)
• M26: 6,038,817 km (0.1 R)
• M27: 6,361,350 km (0.059 R)
• M28: 6,609,832 km (0.104 R)
• M29: 6,769,603 km (0.075 R)
• M30: 7,011,652 km (0.099 R)
• M31: 7,127,890 km (0.101 R)
• M32: 7,875,131 km (0.106 R)
• M33: 8,008,273 km (0.081 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.8

Radius: 8.2

Gravity: 7.46 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.43 AU - 2.51 AU

Year: 2589 Days

Day: 6.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 71,287,734 km

• M1: 112,198 km (0.098 R)
• M2: 226,192 km (0.082 R)
• M3: 377,884 km (0.066 R)
• M4: 557,551 km (0.096 R)
• M5: 629,059 km (0.044 R)
• M6: 712,684 km (0.109 R)
• M7: 773,571 km (0.072 R)
• M8: 827,276 km (0.114 R)
• M9: 986,748 km (0.073 R)
• M10: 1,125,874 km (0.117 R)
• M11: 1,177,036 km (0.067 R)
• M12: 1,239,718 km (0.054 R)
• M13: 1,468,004 km (0.113 R)
• M14: 1,674,299 km (0.118 R)
• M15: 1,805,198 km (0.073 R)
• M16: 1,976,637 km (0.116 R)
• M17: 2,495,741 km (0.11 R)
• M18: 2,742,877 km (0.066 R)
• M19: 2,812,889 km (0.117 R)
• M20: 3,099,069 km (0.09 R)
• M21: 3,245,825 km (0.089 R)
• M22: 3,334,836 km (0.11 R)
• M23: 3,485,182 km (0.062 R)
• M24: 3,714,964 km (0.11 R)
• M25: 3,981,398 km (0.091 R)
• M26: 4,092,848 km (0.105 R)
• M27: 4,368,108 km (0.075 R)
• M28: 4,516,210 km (0.096 R)
• M29: 4,800,596 km (0.097 R)
• M30: 4,936,431 km (0.114 R)
• M31: 4,987,743 km (0.108 R)
• M32: 5,177,283 km (0.068 R)
• M33: 5,246,846 km (0.03 R)
• M34: 5,299,205 km (0.07 R)
• M35: 5,351,714 km (0.052 R)
• M36: 5,706,261 km (0.116 R)
• M37: 6,086,988 km (0.099 R)
• M38: 6,550,741 km (0.034 R)
• M39: 6,625,989 km (0.119 R)
• M40: 6,834,528 km (0.102 R)
• M41: 7,394,623 km (0.068 R)
• M42: 7,630,688 km (0.096 R)
• M43: 8,090,103 km (0.072 R)
• M44: 8,517,504 km (0.092 R)
• M45: 8,579,139 km (0.102 R)
• M46: 8,764,939 km (0.079 R)
• M47: 8,847,966 km (0.038 R)
• M48: 9,035,711 km (0.114 R)
• M49: 9,330,569 km (0.105 R)
• M50: 10,233,691 km (0.079 R)
• M51: 10,562,956 km (0.081 R)
• M52: 10,851,082 km (0.075 R)
• M53: 10,962,682 km (0.118 R)
• M54: 11,029,701 km (0.063 R)
• M55: 11,891,684 km (0.11 R)
• M56: 12,099,027 km (0.041 R)
• M57: 12,237,854 km (0.037 R)
• M58: 12,423,804 km (0.064 R)
• M59: 12,916,579 km (0.114 R)
• M60: 13,011,125 km (0.114 R)
• M61: 13,105,821 km (0.098 R)
• M62: 13,296,109 km (0.098 R)
• M63: 13,511,380 km (0.114 R)
• M64: 13,775,870 km (0.116 R)
• M65: 13,872,510 km (0.084 R)
• M66: 13,993,684 km (0.095 R)
• M67: 14,506,206 km (0.091 R)
• M68: 14,777,128 km (0.092 R)
• M69: 15,273,943 km (0.091 R)
• M70: 15,524,519 km (0.053 R)
• M71: 16,182,151 km (0.089 R)
• M72: 16,233,164 km (0.104 R)
• M73: 16,437,515 km (0.042 R)
• M74: 16,823,029 km (0.027 R)
• M75: 16,952,281 km (0.098 R)
• M76: 17,029,922 km (0.069 R)
• M77: 17,081,833 km (0.102 R)
• M78: 17,420,074 km (0.059 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 541.7

Radius: 3.9

Gravity: 35.61 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 8.57 AU - 10.99 AU

Year: 20396 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 71,287,734 km

• M1: 154,086 km (0.112 R)
• M2: 192,682 km (0.117 R)
• M3: 382,223 km (0.075 R)
• M4: 475,572 km (0.113 R)
• M5: 797,656 km (0.079 R)
• M6: 1,043,595 km (0.073 R)
• M7: 1,174,942 km (0.092 R)
• M8: 1,424,770 km (0.036 R)
• M9: 1,541,157 km (0.028 R)
• M10: 1,630,318 km (0.109 R)
• M11: 2,068,939 km (0.038 R)
• M12: 2,472,404 km (0.069 R)
• M13: 2,541,967 km (0.037 R)
• M14: 2,718,642 km (0.099 R)
• M15: 2,863,004 km (0.045 R)
• M16: 2,899,506 km (0.118 R)
• M17: 3,047,009 km (0.111 R)
• M18: 3,121,659 km (0.097 R)
• M19: 3,310,900 km (0.076 R)
• M20: 3,542,926 km (0.092 R)
• M21: 4,395,784 km (0.064 R)
• M22: 4,437,970 km (0.084 R)
• M23: 4,522,643 km (0.055 R)
• M24: 5,219,171 km (0.057 R)
• M25: 7,651,632 km (0.112 R)
• M26: 8,164,154 km (0.074 R)
• M27: 9,221,811 km (0.081 R)
• M28: 9,329,970 km (0.111 R)
• M29: 9,656,991 km (0.045 R)
• M30: 9,987,603 km (0.107 R)
• M31: 10,434,302 km (0.11 R)
• M32: 10,490,551 km (0.119 R)
• M33: 12,523,436 km (0.059 R)
• M34: 13,492,082 km (0.082 R)
• M35: 13,553,417 km (0.111 R)
• M36: 14,547,346 km (0.115 R)
• M37: 15,116,715 km (0.06 R)
• M38: 15,308,051 km (0.083 R)
• M39: 16,802,085 km (0.086 R)
• M40: 17,801,099 km (0.116 R)
• M41: 18,887,778 km (0.09 R)
• M42: 19,439,196 km (0.106 R)
• M43: 19,647,287 km (0.106 R)
• M44: 20,911,538 km (0.113 R)
• M45: 22,057,159 km (0.076 R)
• M46: 22,419,335 km (0.101 R)
• M47: 22,856,610 km (0.037 R)
• M48: 24,185,039 km (0.097 R)
• M49: 24,858,529 km (0.082 R)
• M50: 25,462,455 km (0.051 R)
• M51: 25,766,139 km (0.044 R)
• M52: 26,071,169 km (0.077 R)
• M53: 26,993,141 km (0.073 R)
• M54: 28,238,992 km (0.087 R)
• M55: 29,662,864 km (0.076 R)
• M56: 30,142,625 km (0.072 R)
• M57: 30,544,444 km (0.041 R)
• M58: 31,515,933 km (0.072 R)
• M59: 32,087,247 km (0.08 R)
• M60: 32,497,594 km (0.092 R)
• M61: 34,490,687 km (0.094 R)
• M62: 34,658,535 km (0.113 R)
• M63: 36,522,974 km (0.041 R)
• M64: 38,072,508 km (0.104 R)
• M65: 39,117,450 km (0.089 R)
• M66: 42,039,096 km (0.071 R)
• M67: 42,848,121 km (0.093 R)
• M68: 43,480,771 km (0.103 R)
• M69: 43,843,695 km (0.066 R)
• M70: 43,934,651 km (0.078 R)
• M71: 44,481,281 km (0.079 R)
• M72: 45,121,859 km (0.114 R)
• M73: 46,412,291 km (0.069 R)
• M74: 46,969,094 km (0.06 R)
• M75: 47,248,243 km (0.082 R)
• M76: 48,464,474 km (0.118 R)
• M77: 49,690,878 km (0.116 R)
• M78: 53,043,366 km (0.088 R)
• M79: 53,722,540 km (0.072 R)
• M80: 53,917,167 km (0.071 R)
• M81: 55,384,124 km (0.11 R)
• M82: 56,073,022 km (0.053 R)
• M83: 60,064,443 km (0.116 R)
• M84: 60,266,400 km (0.067 R)
• M85: 60,367,528 km (0.101 R)
• M86: 61,686,383 km (0.077 R)
• M87: 62,707,538 km (0.074 R)
• M88: 63,322,834 km (0.032 R)
• M89: 65,595,974 km (0.118 R)
• M90: 66,116,275 km (0.047 R)
• M91: 67,056,348 km (0.069 R)
• M92: 67,580,539 km (0.078 R)
• M93: 68,422,177 km (0.06 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 15,120 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit