🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 59.4

Radius: 14.1

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1 AU - 1.06 AU

Year: 697 Days

Day: 8.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 176.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,462,175 km

• M1: 179,368 km (0.052 R)
• M2: 280,197 km (0.12 R)
• M3: 368,011 km (0.079 R)
• M4: 513,719 km (0.106 R)
• M5: 647,011 km (0.079 R)
• M6: 737,069 km (0.079 R)
• M7: 858,991 km (0.117 R)
• M8: 1,020,706 km (0.116 R)
• M9: 1,190,051 km (0.03 R)
• M10: 1,344,137 km (0.11 R)
• M11: 1,471,893 km (0.025 R)
• M12: 1,584,840 km (0.096 R)
• M13: 1,700,928 km (0.073 R)
• M14: 1,791,883 km (0.088 R)
• M15: 1,900,940 km (0.079 R)
• M16: 2,016,430 km (0.107 R)
• M17: 2,134,462 km (0.088 R)
• M18: 2,338,065 km (0.12 R)
• M19: 2,525,511 km (0.025 R)
• M20: 2,648,780 km (0.067 R)
• M21: 2,854,028 km (0.094 R)
• M22: 2,953,960 km (0.11 R)
• M23: 3,216,354 km (0.103 R)
• M24: 3,365,354 km (0.11 R)
• M25: 3,456,010 km (0.107 R)
• M26: 3,562,823 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.1

Radius: 13.3

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.02 AU - 1.4 AU

Year: 888 Days

Day: 10.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (46)

Outer Limit: 42,462,175 km

• M1: 176,825 km (0.107 R)
• M2: 267,780 km (0.084 R)
• M3: 375,640 km (0.096 R)
• M4: 480,359 km (0.07 R)
• M5: 565,480 km (0.1 R)
• M6: 754,721 km (0.086 R)
• M7: 841,338 km (0.074 R)
• M8: 949,348 km (0.105 R)
• M9: 1,238,222 km (0.025 R)
• M10: 1,343,389 km (0.118 R)
• M11: 1,465,311 km (0.108 R)
• M12: 1,562,999 km (0.085 R)
• M13: 1,772,585 km (0.113 R)
• M14: 1,869,674 km (0.111 R)
• M15: 1,991,746 km (0.107 R)
• M16: 2,100,952 km (0.065 R)
• M17: 2,260,424 km (0.082 R)
• M18: 2,366,339 km (0.101 R)
• M19: 2,465,523 km (0.103 R)
• M20: 2,642,796 km (0.109 R)
• M21: 2,798,079 km (0.119 R)
• M22: 2,983,281 km (0.03 R)
• M23: 3,163,546 km (0.091 R)
• M24: 3,301,027 km (0.116 R)
• M25: 3,553,847 km (0.117 R)
• M26: 3,658,715 km (0.087 R)
• M27: 3,793,652 km (0.072 R)
• M28: 4,108,556 km (0.081 R)
• M29: 4,228,833 km (0.064 R)
• M30: 4,442,159 km (0.117 R)
• M31: 4,545,083 km (0.117 R)
• M32: 4,784,738 km (0.098 R)
• M33: 4,964,705 km (0.04 R)
• M34: 5,255,074 km (0.066 R)
• M35: 5,751,440 km (0.07 R)
• M36: 5,909,116 km (0.115 R)
• M37: 6,647,681 km (0.115 R)
• M38: 7,015,991 km (0.09 R)
• M39: 7,476,602 km (0.114 R)
• M40: 7,747,823 km (0.1 R)
• M41: 7,972,220 km (0.038 R)
• M42: 8,060,034 km (0.094 R)
• M43: 8,186,145 km (0.09 R)
• M44: 8,363,718 km (0.027 R)
• M45: 8,619,530 km (0.112 R)
• M46: 8,761,498 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.6

Radius: 10.9

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.22 AU - 1.8 AU

Year: 1237 Days

Day: 14.4 Hours

Environment

Temp: -184 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 42,462,175 km

• M1: 137,480 km (0.094 R)
• M2: 217,665 km (0.052 R)
• M3: 362,924 km (0.105 R)
• M4: 532,868 km (0.085 R)
• M5: 660,325 km (0.069 R)
• M6: 738,415 km (0.078 R)
• M7: 819,946 km (0.082 R)
• M8: 890,407 km (0.06 R)
• M9: 1,038,209 km (0.112 R)
• M10: 1,162,675 km (0.097 R)
• M11: 1,317,060 km (0.101 R)
• M12: 1,584,241 km (0.096 R)
• M13: 2,012,690 km (0.083 R)
• M14: 2,170,067 km (0.114 R)
• M15: 2,240,378 km (0.08 R)
• M16: 2,403,739 km (0.106 R)
• M17: 2,476,593 km (0.046 R)
• M18: 2,635,017 km (0.107 R)
• M19: 2,818,873 km (0.095 R)
• M20: 2,995,697 km (0.106 R)
• M21: 3,096,826 km (0.114 R)
• M22: 3,233,558 km (0.048 R)
• M23: 3,314,191 km (0.104 R)
• M24: 3,501,039 km (0.109 R)
• M25: 3,788,117 km (0.092 R)
• M26: 4,033,159 km (0.055 R)
• M27: 4,107,808 km (0.114 R)
• M28: 4,474,622 km (0.07 R)
• M29: 4,629,605 km (0.071 R)
• M30: 4,720,860 km (0.053 R)
• M31: 5,011,529 km (0.076 R)
• M32: 5,267,341 km (0.057 R)
• M33: 5,610,369 km (0.064 R)
• M34: 5,679,932 km (0.076 R)
• M35: 5,805,744 km (0.115 R)
• M36: 6,131,568 km (0.101 R)
• M37: 6,536,380 km (0.093 R)
• M38: 6,712,606 km (0.072 R)
• M39: 6,964,828 km (0.074 R)
• M40: 7,039,627 km (0.094 R)
• M41: 7,448,328 km (0.105 R)
• M42: 7,678,560 km (0.092 R)
• M43: 8,146,352 km (0.119 R)
• M44: 8,383,764 km (0.112 R)
• M45: 8,463,350 km (0.115 R)
• M46: 8,543,385 km (0.087 R)
• M47: 8,962,857 km (0.032 R)
• M48: 9,060,694 km (0.072 R)
• M49: 9,422,272 km (0.061 R)
• M50: 9,788,488 km (0.111 R)
• M51: 10,552,484 km (0.1 R)
• M52: 10,621,299 km (0.081 R)
• M53: 10,898,055 km (0.04 R)
• M54: 11,054,834 km (0.057 R)
• M55: 11,194,857 km (0.03 R)
• M56: 11,335,479 km (0.114 R)
• M57: 11,512,005 km (0.088 R)
• M58: 11,636,171 km (0.065 R)
• M59: 11,832,144 km (0.088 R)
• M60: 11,939,556 km (0.107 R)
• M61: 12,065,218 km (0.09 R)
• M62: 12,155,126 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.4

Radius: 13.6

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 1.83 AU - 2.71 AU

Year: 2281 Days

Day: 6.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 42,462,175 km

• M1: 184,005 km (0.061 R)
• M2: 274,811 km (0.1 R)
• M3: 610,509 km (0.082 R)
• M4: 725,400 km (0.045 R)
• M5: 872,754 km (0.088 R)
• M6: 963,261 km (0.106 R)
• M7: 1,145,770 km (0.086 R)
• M8: 1,283,699 km (0.112 R)
• M9: 1,427,463 km (0.069 R)
• M10: 1,648,718 km (0.059 R)
• M11: 1,753,137 km (0.086 R)
• M12: 1,870,572 km (0.064 R)
• M13: 2,113,968 km (0.054 R)
• M14: 2,205,222 km (0.059 R)
• M15: 2,462,979 km (0.084 R)
• M16: 2,693,659 km (0.077 R)
• M17: 2,868,240 km (0.112 R)
• M18: 2,956,952 km (0.111 R)
• M19: 3,111,337 km (0.085 R)
• M20: 3,295,043 km (0.088 R)
• M21: 3,509,267 km (0.089 R)
• M22: 3,604,561 km (0.095 R)
• M23: 3,923,653 km (0.114 R)
• M24: 4,036,899 km (0.108 R)
• M25: 4,151,191 km (0.045 R)
• M26: 4,237,659 km (0.051 R)
• M27: 4,412,389 km (0.074 R)
• M28: 4,574,703 km (0.058 R)
• M29: 4,920,723 km (0.061 R)
• M30: 5,073,761 km (0.04 R)
• M31: 5,322,094 km (0.084 R)
• M32: 5,542,601 km (0.076 R)
• M33: 5,654,052 km (0.104 R)
• M34: 5,976,734 km (0.107 R)
• M35: 6,091,027 km (0.106 R)
• M36: 6,488,658 km (0.113 R)
• M37: 6,656,956 km (0.095 R)
• M38: 6,826,600 km (0.077 R)
• M39: 7,153,022 km (0.089 R)
• M40: 7,257,142 km (0.113 R)
• M41: 7,590,297 km (0.116 R)
• M42: 7,732,116 km (0.045 R)
• M43: 7,910,735 km (0.088 R)
• M44: 8,000,494 km (0.088 R)
• M45: 8,217,261 km (0.116 R)
• M46: 8,308,217 km (0.06 R)
• M47: 9,047,829 km (0.102 R)
• M48: 9,255,022 km (0.088 R)
• M49: 9,406,714 km (0.093 R)
• M50: 9,559,154 km (0.077 R)
• M51: 9,674,046 km (0.102 R)
• M52: 10,157,845 km (0.087 R)
• M53: 10,808,446 km (0.088 R)
• M54: 10,948,171 km (0.061 R)
• M55: 11,574,387 km (0.11 R)
• M56: 11,922,801 km (0.103 R)
• M57: 12,274,655 km (0.05 R)
• M58: 12,882,920 km (0.047 R)
• M59: 13,031,171 km (0.112 R)
• M60: 13,350,862 km (0.111 R)
• M61: 14,172,304 km (0.09 R)
• M62: 14,633,365 km (0.115 R)
• M63: 14,721,777 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.3

Radius: 8.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 2.85 AU - 3.49 AU

Year: 3764 Days

Day: 14.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 42,462,175 km

• M1: 111,899 km (0.077 R)
• M2: 205,547 km (0.056 R)
• M3: 396,584 km (0.079 R)
• M4: 517,908 km (0.116 R)
• M5: 591,211 km (0.077 R)
• M6: 749,336 km (0.098 R)
• M7: 877,242 km (0.084 R)
• M8: 1,078,301 km (0.113 R)
• M9: 1,407,417 km (0.116 R)
• M10: 1,491,940 km (0.09 R)
• M11: 1,545,645 km (0.106 R)
• M12: 1,710,801 km (0.103 R)
• M13: 1,789,939 km (0.048 R)
• M14: 1,858,754 km (0.081 R)
• M15: 1,916,798 km (0.029 R)
• M16: 1,975,440 km (0.089 R)
• M17: 2,179,342 km (0.118 R)
• M18: 2,277,777 km (0.111 R)
• M19: 2,440,839 km (0.078 R)
• M20: 2,607,940 km (0.097 R)
• M21: 3,035,042 km (0.076 R)
• M22: 3,527,069 km (0.092 R)
• M23: 3,760,442 km (0.103 R)
• M24: 3,983,791 km (0.078 R)
• M25: 4,135,035 km (0.108 R)
• M26: 4,459,064 km (0.088 R)
• M27: 4,775,314 km (0.12 R)
• M28: 4,855,498 km (0.103 R)
• M29: 5,017,363 km (0.045 R)
• M30: 5,180,873 km (0.119 R)
• M31: 5,396,145 km (0.087 R)
• M32: 5,463,015 km (0.118 R)
• M33: 5,801,405 km (0.117 R)
• M34: 5,973,144 km (0.104 R)
• M35: 6,199,037 km (0.084 R)
• M36: 6,251,545 km (0.094 R)
• M37: 6,321,707 km (0.091 R)
• M38: 6,712,905 km (0.115 R)
• M39: 6,802,814 km (0.091 R)
• M40: 6,875,219 km (0.093 R)
• M41: 7,038,729 km (0.068 R)
• M42: 7,093,482 km (0.048 R)
• M43: 7,462,690 km (0.09 R)
• M44: 7,762,484 km (0.097 R)
• M45: 7,970,874 km (0.073 R)
• M46: 8,200,357 km (0.083 R)
• M47: 8,315,846 km (0.07 R)
• M48: 8,373,890 km (0.04 R)
• M49: 8,509,725 km (0.025 R)
• M50: 9,040,499 km (0.08 R)
• M51: 9,199,820 km (0.028 R)
• M52: 9,279,855 km (0.117 R)
• M53: 9,420,477 km (0.109 R)
• M54: 9,521,306 km (0.118 R)
• M55: 9,622,434 km (0.093 R)
• M56: 10,072,125 km (0.109 R)
• M57: 10,237,281 km (0.033 R)
• M58: 10,424,279 km (0.074 R)
• M59: 11,461,740 km (0.102 R)
• M60: 11,612,684 km (0.093 R)
• M61: 11,938,359 km (0.102 R)
• M62: 12,091,248 km (0.1 R)
• M63: 12,576,244 km (0.114 R)
• M64: 12,977,914 km (0.117 R)
• M65: 13,565,385 km (0.063 R)
• M66: 13,862,337 km (0.108 R)
• M67: 14,207,759 km (0.069 R)
• M68: 14,883,492 km (0.091 R)
• M69: 14,953,953 km (0.117 R)
• M70: 15,189,869 km (0.092 R)
• M71: 15,522,125 km (0.12 R)
• M72: 16,000,839 km (0.096 R)
• M73: 16,145,500 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.7

Radius: 8.1

Gravity: 10.41 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.87 AU - 4.89 AU

Year: 7189 Days

Day: 8.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 42,462,175 km

• M1: 243,246 km (0.083 R)
• M2: 608,564 km (0.108 R)
• M3: 678,127 km (0.072 R)
• M4: 825,780 km (0.083 R)
• M5: 1,367,474 km (0.101 R)
• M6: 1,441,974 km (0.078 R)
• M7: 1,595,162 km (0.109 R)
• M8: 1,917,695 km (0.061 R)
• M9: 2,216,592 km (0.116 R)
• M10: 2,484,671 km (0.081 R)
• M11: 2,622,600 km (0.104 R)
• M12: 2,810,495 km (0.045 R)
• M13: 2,906,238 km (0.079 R)
• M14: 3,125,399 km (0.113 R)
• M15: 3,224,582 km (0.117 R)
• M16: 3,324,813 km (0.086 R)
• M17: 3,375,227 km (0.057 R)
• M18: 4,028,222 km (0.068 R)
• M19: 4,109,154 km (0.114 R)
• M20: 4,606,418 km (0.049 R)
• M21: 4,862,230 km (0.096 R)
• M22: 5,358,147 km (0.081 R)
• M23: 5,447,307 km (0.079 R)
• M24: 5,566,986 km (0.06 R)
• M25: 6,054,525 km (0.03 R)
• M26: 6,334,722 km (0.059 R)
• M27: 6,651,271 km (0.087 R)
• M28: 6,875,817 km (0.076 R)
• M29: 6,972,757 km (0.046 R)
• M30: 7,431,573 km (0.07 R)
• M31: 8,586,020 km (0.089 R)
• M32: 8,760,451 km (0.107 R)
• M33: 9,614,206 km (0.092 R)
• M34: 9,904,725 km (0.117 R)
• M35: 10,087,833 km (0.066 R)
• M36: 10,382,990 km (0.078 R)
• M37: 10,457,190 km (0.089 R)
• M38: 10,831,035 km (0.105 R)
• M39: 12,291,260 km (0.056 R)
• M40: 12,369,949 km (0.072 R)
• M41: 12,487,981 km (0.062 R)
• M42: 12,606,613 km (0.097 R)
• M43: 12,685,899 km (0.04 R)
• M44: 12,844,772 km (0.078 R)
• M45: 13,124,520 km (0.087 R)
• M46: 13,285,338 km (0.04 R)
• M47: 13,527,836 km (0.026 R)
• M48: 14,346,436 km (0.029 R)
• M49: 15,988,272 km (0.104 R)
• M50: 16,117,076 km (0.119 R)
• M51: 16,332,497 km (0.049 R)
• M52: 17,291,419 km (0.091 R)
• M53: 17,733,332 km (0.058 R)
• M54: 18,134,254 km (0.099 R)
• M55: 18,718,583 km (0.117 R)
• M56: 19,354,823 km (0.117 R)
• M57: 19,998,094 km (0.063 R)
• M58: 21,023,138 km (0.048 R)
• M59: 21,258,456 km (0.105 R)
• M60: 21,352,852 km (0.039 R)
• M61: 21,779,356 km (0.112 R)
• M62: 23,172,411 km (0.115 R)
• M63: 23,757,339 km (0.055 R)
• M64: 24,445,938 km (0.107 R)
• M65: 25,091,153 km (0.116 R)
• M66: 26,195,784 km (0.109 R)
• M67: 26,804,946 km (0.032 R)
• M68: 27,521,520 km (0.075 R)
• M69: 29,709,090 km (0.083 R)
• M70: 30,450,647 km (0.029 R)
• M71: 30,983,963 km (0.115 R)
• M72: 31,091,075 km (0.098 R)
• M73: 31,897,856 km (0.102 R)
• M74: 31,951,861 km (0.102 R)
• M75: 33,312,454 km (0.067 R)
• M76: 33,477,012 km (0.118 R)
• M77: 33,531,914 km (0.08 R)
• M78: 34,193,286 km (0.088 R)
• M79: 36,033,789 km (0.097 R)
• M80: 36,090,038 km (0.088 R)
• M81: 37,563,577 km (0.119 R)
• M82: 37,849,159 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.3

Radius: 14.6

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.09 AU - 6.51 AU

Year: 8137 Days

Day: 6.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 42,462,175 km

• M1: 217,665 km (0.075 R)
• M2: 319,541 km (0.105 R)
• M3: 446,699 km (0.065 R)
• M4: 585,227 km (0.095 R)
• M5: 682,914 km (0.094 R)
• M6: 1,266,496 km (0.086 R)
• M7: 1,558,959 km (0.065 R)
• M8: 1,661,434 km (0.076 R)
• M9: 1,787,545 km (0.076 R)
• M10: 2,232,299 km (0.092 R)
• M11: 3,356,827 km (0.109 R)
• M12: 3,518,692 km (0.097 R)
• M13: 3,683,249 km (0.104 R)
• M14: 3,906,748 km (0.114 R)
• M15: 4,134,736 km (0.099 R)
• M16: 4,308,718 km (0.069 R)
• M17: 4,784,589 km (0.111 R)
• M18: 5,530,184 km (0.1 R)
• M19: 5,851,670 km (0.096 R)
• M20: 7,128,937 km (0.089 R)
• M21: 7,727,777 km (0.069 R)
• M22: 7,979,102 km (0.105 R)
• M23: 8,898,829 km (0.089 R)
• M24: 9,200,269 km (0.076 R)
• M25: 9,314,113 km (0.069 R)
• M26: 9,852,067 km (0.086 R)
• M27: 10,163,979 km (0.076 R)
• M28: 10,360,700 km (0.107 R)
• M29: 10,518,825 km (0.119 R)
• M30: 11,078,919 km (0.117 R)
• M31: 12,103,365 km (0.103 R)
• M32: 12,774,910 km (0.106 R)
• M33: 13,115,395 km (0.071 R)
• M34: 13,329,619 km (0.062 R)
• M35: 14,286,148 km (0.093 R)
• M36: 15,130,029 km (0.074 R)
• M37: 15,445,083 km (0.096 R)
• M38: 15,580,768 km (0.096 R)
• M39: 15,716,752 km (0.064 R)
• M40: 17,663,170 km (0.09 R)
• M41: 17,899,984 km (0.116 R)
• M42: 18,520,516 km (0.11 R)
• M43: 19,099,609 km (0.036 R)
• M44: 19,293,937 km (0.112 R)
• M45: 21,072,655 km (0.034 R)
• M46: 22,800,361 km (0.104 R)
• M47: 23,265,311 km (0.115 R)
• M48: 23,368,983 km (0.102 R)
• M49: 23,629,133 km (0.039 R)
• M50: 23,733,403 km (0.095 R)
• M51: 24,099,619 km (0.105 R)
• M52: 26,228,097 km (0.059 R)
• M53: 27,205,420 km (0.041 R)
• M54: 28,749,420 km (0.108 R)
• M55: 29,363,818 km (0.054 R)
• M56: 31,347,187 km (0.096 R)
• M57: 31,921,942 km (0.107 R)
• M58: 32,268,410 km (0.114 R)
• M59: 33,023,281 km (0.107 R)
• M60: 33,725,344 km (0.115 R)
• M61: 34,019,304 km (0.108 R)
• M62: 34,787,788 km (0.046 R)
• M63: 34,906,419 km (0.103 R)
• M64: 37,248,374 km (0.028 R)
• M65: 37,979,010 km (0.095 R)
• M66: 38,223,752 km (0.095 R)
• M67: 38,776,067 km (0.097 R)
• M68: 39,888,776 km (0.096 R)
• M69: 40,199,641 km (0.096 R)
• M70: 40,449,020 km (0.064 R)
• M71: 41,137,320 km (0.094 R)
• M72: 41,766,529 km (0.082 R)
• M73: 42,272,020 km (0.112 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: 523 - 11,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit