🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.4

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.46 AU - 0.7 AU

Year: 196 Days

Day: 47.1 Hours

Environment

Temp: 19 °C

Axial Tilt: 23.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.3 AU - 1.68 AU

Year: 806 Days

Day: 45.6 Hours

Environment

Temp: -111 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.35

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 1.22 AU - 1.92 AU

Year: 871 Days

Day: 23.8 Hours

Environment

Temp: -103 °C

Axial Tilt: 36.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.56

Radius: 1.66

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.5 AU - 1.82 AU

Year: 947 Days

Day: 25.2 Hours

Environment

Temp: -105 °C

Axial Tilt: 49.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.9

Radius: 8.2

Gravity: 3.09 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.73 AU - 4.39 AU

Year: 2975 Days

Day: 10.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 50,423,800 km

• M1: 104,270 km (0.098 R)
• M2: 172,337 km (0.095 R)
• M3: 316,699 km (0.094 R)
• M4: 442,810 km (0.116 R)
• M5: 579,991 km (0.098 R)
• M6: 636,240 km (0.094 R)
• M7: 762,351 km (0.087 R)
• M8: 856,597 km (0.098 R)
• M9: 1,118,693 km (0.071 R)
• M10: 1,208,751 km (0.09 R)
• M11: 1,386,473 km (0.11 R)
• M12: 1,493,286 km (0.07 R)
• M13: 1,572,872 km (0.112 R)
• M14: 1,684,472 km (0.096 R)
• M15: 1,905,129 km (0.117 R)
• M16: 2,090,630 km (0.086 R)
• M17: 2,168,720 km (0.114 R)
• M18: 2,444,130 km (0.066 R)
• M19: 2,514,740 km (0.079 R)
• M20: 2,828,746 km (0.106 R)
• M21: 2,965,329 km (0.09 R)
• M22: 3,053,442 km (0.095 R)
• M23: 3,116,872 km (0.041 R)
• M24: 3,258,092 km (0.039 R)
• M25: 3,546,966 km (0.083 R)
• M26: 3,721,546 km (0.047 R)
• M27: 4,023,435 km (0.08 R)
• M28: 4,135,184 km (0.101 R)
• M29: 4,205,495 km (0.084 R)
• M30: 4,404,760 km (0.075 R)
• M31: 4,592,505 km (0.116 R)
• M32: 4,976,074 km (0.077 R)
• M33: 5,066,132 km (0.094 R)
• M34: 5,915,997 km (0.085 R)
• M35: 6,075,319 km (0.105 R)
• M36: 6,268,300 km (0.045 R)
• M37: 6,528,900 km (0.12 R)
• M38: 6,611,029 km (0.074 R)
• M39: 6,776,335 km (0.076 R)
• M40: 7,314,588 km (0.105 R)
• M41: 7,519,986 km (0.093 R)
• M42: 7,831,748 km (0.119 R)
• M43: 8,485,790 km (0.047 R)
• M44: 8,828,369 km (0.094 R)
• M45: 9,527,290 km (0.031 R)
• M46: 10,034,726 km (0.101 R)
• M47: 10,091,573 km (0.104 R)
• M48: 10,397,052 km (0.093 R)
• M49: 10,666,777 km (0.097 R)
• M50: 11,668,784 km (0.059 R)
• M51: 11,768,565 km (0.096 R)
• M52: 11,888,842 km (0.05 R)
• M53: 12,090,051 km (0.098 R)
• M54: 12,170,834 km (0.051 R)
• M55: 12,251,916 km (0.053 R)
• M56: 12,536,750 km (0.084 R)
• M57: 12,741,699 km (0.081 R)
• M58: 13,092,506 km (0.118 R)
• M59: 13,509,286 km (0.113 R)
• M60: 13,951,497 km (0.06 R)
• M61: 14,078,805 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 464.7

Radius: 15

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.25 AU - 6.75 AU

Year: 5713 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 50,423,800 km

• M1: 219,759 km (0.093 R)
• M2: 375,191 km (0.092 R)
• M3: 1,003,652 km (0.116 R)
• M4: 1,111,363 km (0.097 R)
• M5: 1,237,773 km (0.098 R)
• M6: 1,354,459 km (0.118 R)
• M7: 1,744,610 km (0.085 R)
• M8: 1,860,399 km (0.063 R)
• M9: 2,047,845 km (0.115 R)
• M10: 2,241,874 km (0.107 R)
• M11: 2,368,583 km (0.102 R)
• M12: 2,497,836 km (0.108 R)
• M13: 2,629,482 km (0.104 R)
• M14: 3,343,961 km (0.108 R)
• M15: 3,531,856 km (0.114 R)
• M16: 4,593,403 km (0.086 R)
• M17: 4,709,491 km (0.118 R)
• M18: 4,826,476 km (0.113 R)
• M19: 5,673,350 km (0.062 R)
• M20: 6,152,512 km (0.098 R)
• M21: 6,280,867 km (0.078 R)
• M22: 6,540,120 km (0.111 R)
• M23: 6,989,063 km (0.117 R)
• M24: 8,085,017 km (0.12 R)
• M25: 8,538,448 km (0.072 R)
• M26: 8,826,125 km (0.096 R)
• M27: 9,087,771 km (0.116 R)
• M28: 9,411,052 km (0.054 R)
• M29: 9,798,212 km (0.039 R)
• M30: 10,281,712 km (0.047 R)
• M31: 10,680,390 km (0.105 R)
• M32: 10,804,108 km (0.094 R)
• M33: 11,272,200 km (0.077 R)
• M34: 11,429,726 km (0.111 R)
• M35: 11,588,001 km (0.077 R)
• M36: 11,715,159 km (0.096 R)
• M37: 11,810,901 km (0.086 R)
• M38: 12,163,952 km (0.069 R)
• M39: 12,585,669 km (0.088 R)
• M40: 13,012,172 km (0.075 R)
• M41: 13,111,356 km (0.094 R)
• M42: 13,610,713 km (0.062 R)
• M43: 14,048,736 km (0.104 R)
• M44: 14,354,664 km (0.097 R)
• M45: 14,525,504 km (0.118 R)
• M46: 15,007,658 km (0.107 R)
• M47: 15,460,042 km (0.113 R)
• M48: 15,635,371 km (0.072 R)
• M49: 15,881,759 km (0.093 R)
• M50: 16,058,583 km (0.111 R)
• M51: 16,271,611 km (0.102 R)
• M52: 17,972,838 km (0.075 R)
• M53: 18,379,146 km (0.112 R)
• M54: 18,602,046 km (0.042 R)
• M55: 18,900,644 km (0.096 R)
• M56: 19,200,887 km (0.095 R)
• M57: 19,427,079 km (0.096 R)
• M58: 19,616,320 km (0.107 R)
• M59: 19,958,450 km (0.052 R)
• M60: 20,149,337 km (0.1 R)
• M61: 20,379,269 km (0.081 R)
• M62: 20,802,930 km (0.117 R)
• M63: 21,112,897 km (0.093 R)
• M64: 21,659,229 km (0.056 R)
• M65: 22,210,048 km (0.091 R)
• M66: 23,125,138 km (0.078 R)
• M67: 23,647,833 km (0.106 R)
• M68: 24,093,186 km (0.106 R)
• M69: 24,215,108 km (0.091 R)
• M70: 25,943,861 km (0.087 R)
• M71: 26,319,501 km (0.071 R)
• M72: 26,570,826 km (0.102 R)
• M73: 27,542,015 km (0.046 R)
• M74: 28,696,911 km (0.091 R)
• M75: 28,869,247 km (0.056 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 473.8

Radius: 13

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 7.35 AU - 11.37 AU

Year: 12684 Days

Day: 13.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 50,423,800 km

• M1: 169,794 km (0.107 R)
• M2: 291,267 km (0.104 R)
• M3: 431,889 km (0.095 R)
• M4: 650,152 km (0.102 R)
• M5: 944,561 km (0.058 R)
• M6: 1,178,532 km (0.084 R)
• M7: 1,498,372 km (0.098 R)
• M8: 2,017,327 km (0.06 R)
• M9: 2,168,421 km (0.116 R)
• M10: 3,241,487 km (0.078 R)
• M11: 3,419,807 km (0.047 R)
• M12: 3,662,605 km (0.031 R)
• M13: 3,755,056 km (0.088 R)
• M14: 4,523,690 km (0.096 R)
• M15: 4,994,325 km (0.088 R)
• M16: 5,270,483 km (0.083 R)
• M17: 5,445,662 km (0.116 R)
• M18: 5,801,705 km (0.097 R)
• M19: 6,877,313 km (0.068 R)
• M20: 7,107,544 km (0.073 R)
• M21: 8,542,188 km (0.085 R)
• M22: 8,872,949 km (0.07 R)
• M23: 9,292,421 km (0.117 R)
• M24: 9,504,551 km (0.077 R)
• M25: 9,675,392 km (0.051 R)
• M26: 11,169,127 km (0.063 R)
• M27: 11,485,526 km (0.115 R)
• M28: 11,759,141 km (0.049 R)
• M29: 12,827,718 km (0.112 R)
• M30: 13,064,232 km (0.12 R)
• M31: 13,159,227 km (0.061 R)
• M32: 13,975,882 km (0.093 R)
• M33: 15,007,359 km (0.064 R)
• M34: 15,356,670 km (0.091 R)
• M35: 15,658,260 km (0.039 R)
• M36: 15,860,366 km (0.117 R)
• M37: 16,472,072 km (0.115 R)
• M38: 17,981,814 km (0.104 R)
• M39: 18,140,537 km (0.085 R)
• M40: 19,156,606 km (0.116 R)
• M41: 19,535,537 km (0.113 R)
• M42: 19,698,748 km (0.118 R)
• M43: 19,862,408 km (0.11 R)
• M44: 21,804,787 km (0.063 R)
• M45: 22,484,560 km (0.049 R)
• M46: 24,273,003 km (0.088 R)
• M47: 25,748,337 km (0.073 R)
• M48: 26,166,612 km (0.083 R)
• M49: 26,707,857 km (0.108 R)
• M50: 27,191,956 km (0.085 R)
• M51: 27,313,430 km (0.089 R)
• M52: 27,678,897 km (0.062 R)
• M53: 27,801,119 km (0.118 R)
• M54: 28,046,160 km (0.086 R)
• M55: 28,414,919 km (0.082 R)
• M56: 29,718,365 km (0.086 R)
• M57: 29,906,110 km (0.112 R)
• M58: 30,598,000 km (0.097 R)
• M59: 31,677,798 km (0.066 R)
• M60: 32,061,965 km (0.058 R)
• M61: 32,447,479 km (0.107 R)
• M62: 32,770,012 km (0.112 R)
• M63: 33,158,518 km (0.119 R)
• M64: 33,940,017 km (0.104 R)
• M65: 34,201,813 km (0.12 R)
• M66: 35,653,960 km (0.09 R)
• M67: 36,053,536 km (0.117 R)
• M68: 36,789,856 km (0.065 R)
• M69: 37,937,571 km (0.108 R)
• M70: 40,060,664 km (0.111 R)
• M71: 42,151,893 km (0.12 R)
• M72: 42,644,818 km (0.088 R)
• M73: 43,636,652 km (0.095 R)
• M74: 44,636,115 km (0.107 R)
• M75: 44,779,430 km (0.107 R)
• M76: 45,282,527 km (0.06 R)
• M77: 45,498,696 km (0.089 R)
• M78: 45,715,165 km (0.112 R)
• M79: 46,076,892 km (0.057 R)
• M80: 47,167,461 km (0.032 R)
• M81: 47,899,293 km (0.099 R)
• M82: 48,119,501 km (0.032 R)
• M83: 48,634,717 km (0.091 R)
• M84: 49,374,029 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 911.1

Radius: 8

Gravity: 14.24 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 9.09 AU - 11.07 AU

Year: 14175 Days

Day: 17.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (87)

Outer Limit: 50,423,800 km

• M1: 105,466 km (0.07 R)
• M2: 497,712 km (0.092 R)
• M3: 650,900 km (0.111 R)
• M4: 754,721 km (0.109 R)
• M5: 1,892,862 km (0.076 R)
• M6: 2,106,039 km (0.118 R)
• M7: 2,359,308 km (0.103 R)
• M8: 2,589,090 km (0.113 R)
• M9: 3,541,580 km (0.066 R)
• M10: 3,881,167 km (0.066 R)
• M11: 5,214,084 km (0.082 R)
• M12: 5,470,495 km (0.073 R)
• M13: 6,219,232 km (0.091 R)
• M14: 6,354,768 km (0.057 R)
• M15: 6,767,209 km (0.052 R)
• M16: 6,953,159 km (0.106 R)
• M17: 7,714,313 km (0.106 R)
• M18: 8,153,982 km (0.076 R)
• M19: 8,401,865 km (0.105 R)
• M20: 9,835,013 km (0.039 R)
• M21: 10,311,632 km (0.088 R)
• M22: 10,525,856 km (0.034 R)
• M23: 11,067,849 km (0.103 R)
• M24: 11,674,618 km (0.03 R)
• M25: 12,292,158 km (0.075 R)
• M26: 12,633,391 km (0.068 R)
• M27: 12,920,170 km (0.111 R)
• M28: 13,209,193 km (0.119 R)
• M29: 14,088,828 km (0.09 R)
• M30: 15,047,900 km (0.086 R)
• M31: 15,290,997 km (0.073 R)
• M32: 15,719,445 km (0.079 R)
• M33: 15,842,564 km (0.078 R)
• M34: 15,904,348 km (0.051 R)
• M35: 16,027,916 km (0.091 R)
• M36: 17,154,986 km (0.11 R)
• M37: 18,501,965 km (0.065 R)
• M38: 19,089,586 km (0.103 R)
• M39: 21,637,537 km (0.113 R)
• M40: 22,394,801 km (0.113 R)
• M41: 23,230,754 km (0.113 R)
• M42: 23,723,230 km (0.07 R)
• M43: 23,793,841 km (0.081 R)
• M44: 24,361,415 km (0.095 R)
• M45: 26,163,471 km (0.104 R)
• M46: 26,309,478 km (0.108 R)
• M47: 28,157,461 km (0.091 R)
• M48: 28,382,007 km (0.097 R)
• M49: 28,757,498 km (0.052 R)
• M50: 29,059,237 km (0.104 R)
• M51: 29,665,707 km (0.096 R)
• M52: 31,898,904 km (0.077 R)
• M53: 32,133,024 km (0.113 R)
• M54: 34,425,312 km (0.094 R)
• M55: 34,825,936 km (0.098 R)
• M56: 34,906,270 km (0.068 R)
• M57: 35,469,954 km (0.1 R)
• M58: 36,280,625 km (0.053 R)
• M59: 36,769,810 km (0.1 R)
• M60: 37,425,647 km (0.093 R)
• M61: 38,168,102 km (0.054 R)
• M62: 38,582,637 km (0.1 R)
• M63: 39,416,197 km (0.057 R)
• M64: 39,835,220 km (0.098 R)
• M65: 42,123,170 km (0.047 R)
• M66: 42,723,357 km (0.086 R)
• M67: 43,239,918 km (0.088 R)
• M68: 43,412,704 km (0.112 R)
• M69: 45,414,922 km (0.117 R)
• M70: 48,250,250 km (0.101 R)
• M71: 48,519,077 km (0.098 R)
• M72: 49,870,245 km (0.1 R)
• M73: 50,595,945 km (0.103 R)
• M74: 51,142,426 km (0.107 R)
• M75: 51,599,447 km (0.057 R)
• M76: 52,149,519 km (0.049 R)
• M77: 52,701,684 km (0.113 R)
• M78: 53,348,246 km (0.045 R)
• M79: 55,584,884 km (0.103 R)
• M80: 55,866,577 km (0.11 R)
• M81: 57,092,831 km (0.108 R)
• M82: 58,709,834 km (0.103 R)
• M83: 60,245,456 km (0.084 R)
• M84: 60,438,437 km (0.061 R)
• M85: 61,891,481 km (0.066 R)
• M86: 63,846,875 km (0.06 R)
• M87: 65,822,465 km (0.054 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145

Radius: 3.9

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 13.32 AU - 14.88 AU

Year: 23451 Days

Day: 21.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 33.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 50,423,800 km

• M1: 84,523 km (0.111 R)
• M2: 114,742 km (0.093 R)
• M3: 201,808 km (0.069 R)
• M4: 235,766 km (0.067 R)
• M5: 392,545 km (0.092 R)
• M6: 529,427 km (0.111 R)
• M7: 826,229 km (0.056 R)
• M8: 1,145,920 km (0.113 R)
• M9: 1,523,505 km (0.06 R)
• M10: 2,355,418 km (0.115 R)
• M11: 2,858,815 km (0.071 R)
• M12: 3,394,226 km (0.08 R)
• M13: 3,455,561 km (0.089 R)
• M14: 3,486,378 km (0.07 R)
• M15: 3,610,694 km (0.115 R)
• M16: 3,799,786 km (0.102 R)
• M17: 4,187,693 km (0.108 R)
• M18: 4,220,605 km (0.112 R)
• M19: 4,352,999 km (0.072 R)
• M20: 4,724,151 km (0.058 R)
• M21: 5,897,447 km (0.037 R)
• M22: 5,971,349 km (0.055 R)
• M23: 6,573,480 km (0.069 R)
• M24: 6,765,564 km (0.085 R)
• M25: 7,076,727 km (0.108 R)
• M26: 7,115,922 km (0.109 R)
• M27: 7,194,610 km (0.088 R)
• M28: 7,352,885 km (0.095 R)
• M29: 7,592,391 km (0.05 R)
• M30: 7,997,053 km (0.112 R)
• M31: 8,367,458 km (0.037 R)
• M32: 8,533,811 km (0.063 R)
• M33: 8,912,144 km (0.094 R)
• M34: 10,212,299 km (0.047 R)
• M35: 10,793,786 km (0.059 R)
• M36: 10,838,964 km (0.118 R)
• M37: 11,294,340 km (0.109 R)
• M38: 11,340,117 km (0.113 R)
• M39: 11,570,498 km (0.076 R)
• M40: 11,662,949 km (0.026 R)
• M41: 11,988,773 km (0.087 R)
• M42: 12,035,597 km (0.108 R)
• M43: 12,459,558 km (0.081 R)
• M44: 12,601,825 km (0.119 R)
• M45: 12,697,119 km (0.117 R)
• M46: 12,744,841 km (0.082 R)
• M47: 12,840,434 km (0.094 R)
• M48: 13,662,325 km (0.094 R)
• M49: 14,104,386 km (0.113 R)
• M50: 14,601,051 km (0.112 R)
• M51: 14,901,743 km (0.098 R)
• M52: 16,021,932 km (0.086 R)
• M53: 17,063,432 km (0.113 R)
• M54: 17,539,303 km (0.106 R)
• M55: 17,592,410 km (0.052 R)
• M56: 17,752,031 km (0.082 R)
• M57: 18,449,756 km (0.106 R)
• M58: 18,992,646 km (0.079 R)
• M59: 19,982,835 km (0.085 R)
• M60: 21,328,916 km (0.085 R)
• M61: 21,499,308 km (0.071 R)
• M62: 21,841,289 km (0.114 R)
• M63: 24,879,472 km (0.056 R)
• M64: 26,022,250 km (0.048 R)
• M65: 26,386,671 km (0.086 R)
• M66: 27,489,955 km (0.112 R)
• M67: 27,799,024 km (0.045 R)
• M68: 28,358,371 km (0.109 R)
• M69: 29,109,950 km (0.119 R)
• M70: 29,488,134 km (0.085 R)
• M71: 30,249,587 km (0.039 R)
• M72: 30,760,763 km (0.06 R)
• M73: 32,899,115 km (0.104 R)
• M74: 33,688,692 km (0.085 R)
• M75: 34,750,837 km (0.101 R)
• M76: 35,420,437 km (0.117 R)
• M77: 35,689,414 km (0.111 R)
• M78: 36,908,188 km (0.066 R)
• M79: 36,976,255 km (0.034 R)
• M80: 37,659,768 km (0.058 R)
• M81: 37,796,949 km (0.069 R)
• M82: 39,039,060 km (0.077 R)
• M83: 40,014,289 km (0.073 R)
• M84: 40,294,486 km (0.114 R)
• M85: 41,280,036 km (0.032 R)
• M86: 42,773,322 km (0.096 R)
• M87: 43,994,939 km (0.099 R)
• M88: 44,211,706 km (0.093 R)
• M89: 44,864,252 km (0.086 R)
• M90: 46,032,013 km (0.073 R)
• M91: 46,105,316 km (0.115 R)
• M92: 46,988,242 km (0.087 R)
• M93: 48,248,455 km (0.111 R)
• M94: 48,920,149 km (0.103 R)
• M95: 49,895,827 km (0.066 R)
• M96: 50,423,757 km (0.069 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 546 - 12,911 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit