🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.4

Radius: 11.1

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 11.2 Hours

Environment

Temp: -130 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 56,969,369 km

• M1: 138,528 km (0.111 R)
• M2: 220,806 km (0.079 R)
• M3: 294,109 km (0.072 R)
• M4: 390,750 km (0.087 R)
• M5: 495,468 km (0.061 R)
• M6: 611,706 km (0.057 R)
• M7: 685,906 km (0.066 R)
• M8: 766,390 km (0.071 R)
• M9: 898,934 km (0.118 R)
• M10: 974,032 km (0.081 R)
• M11: 1,063,192 km (0.119 R)
• M12: 1,149,211 km (0.058 R)
• M13: 1,275,023 km (0.029 R)
• M14: 1,363,734 km (0.106 R)
• M15: 1,434,943 km (0.09 R)
• M16: 1,504,207 km (0.107 R)
• M17: 1,622,389 km (0.103 R)
• M18: 1,726,060 km (0.09 R)
• M19: 1,807,292 km (0.074 R)
• M20: 1,882,540 km (0.097 R)
• M21: 1,962,574 km (0.114 R)
• M22: 2,066,096 km (0.068 R)
• M23: 2,175,303 km (0.044 R)
• M24: 2,263,266 km (0.117 R)
• M25: 2,337,018 km (0.105 R)
• M26: 2,427,225 km (0.116 R)
• M27: 2,583,106 km (0.057 R)
• M28: 2,779,528 km (0.097 R)
• M29: 2,934,362 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 312.6

Radius: 13.6

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.52 AU - 0.82 AU

Year: 372 Days

Day: 12.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 56,969,369 km

• M1: 180,265 km (0.079 R)
• M2: 311,014 km (0.073 R)
• M3: 405,111 km (0.041 R)
• M4: 503,397 km (0.092 R)
• M5: 604,076 km (0.112 R)
• M6: 701,016 km (0.063 R)
• M7: 800,947 km (0.047 R)
• M8: 896,390 km (0.082 R)
• M9: 1,111,063 km (0.081 R)
• M10: 1,208,003 km (0.115 R)
• M11: 1,296,565 km (0.114 R)
• M12: 1,387,221 km (0.081 R)
• M13: 1,505,104 km (0.082 R)
• M14: 1,669,063 km (0.083 R)
• M15: 1,848,132 km (0.066 R)
• M16: 2,015,383 km (0.098 R)
• M17: 2,150,170 km (0.085 R)
• M18: 2,380,102 km (0.051 R)
• M19: 2,498,284 km (0.062 R)
• M20: 2,613,325 km (0.12 R)
• M21: 2,740,483 km (0.102 R)
• M22: 2,916,859 km (0.109 R)
• M23: 3,027,562 km (0.082 R)
• M24: 3,248,219 km (0.073 R)
• M25: 3,341,268 km (0.074 R)
• M26: 3,435,216 km (0.118 R)
• M27: 3,625,953 km (0.09 R)
• M28: 3,774,055 km (0.071 R)
• M29: 3,860,523 km (0.083 R)
• M30: 3,953,573 km (0.099 R)
• M31: 4,076,692 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.6

Radius: 11.3

Gravity: 5.82 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.21 AU - 1.29 AU

Year: 948 Days

Day: 7.2 Hours

Environment

Temp: -179 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (65)

Outer Limit: 56,969,369 km

• M1: 155,432 km (0.106 R)
• M2: 227,389 km (0.113 R)
• M3: 377,585 km (0.028 R)
• M4: 450,290 km (0.113 R)
• M5: 539,450 km (0.074 R)
• M6: 630,256 km (0.103 R)
• M7: 829,520 km (0.1 R)
• M8: 1,091,316 km (0.066 R)
• M9: 1,276,070 km (0.097 R)
• M10: 1,379,891 km (0.089 R)
• M11: 1,494,483 km (0.088 R)
• M12: 1,620,444 km (0.115 R)
• M13: 1,741,768 km (0.043 R)
• M14: 1,934,001 km (0.055 R)
• M15: 2,028,398 km (0.111 R)
• M16: 2,213,151 km (0.107 R)
• M17: 2,376,063 km (0.068 R)
• M18: 2,486,915 km (0.035 R)
• M19: 2,561,714 km (0.106 R)
• M20: 2,637,410 km (0.027 R)
• M21: 2,781,324 km (0.117 R)
• M22: 2,987,320 km (0.112 R)
• M23: 3,157,861 km (0.103 R)
• M24: 3,249,415 km (0.051 R)
• M25: 3,331,545 km (0.113 R)
• M26: 3,456,160 km (0.107 R)
• M27: 3,529,612 km (0.083 R)
• M28: 3,614,135 km (0.087 R)
• M29: 3,806,817 km (0.096 R)
• M30: 3,970,178 km (0.07 R)
• M31: 4,224,943 km (0.036 R)
• M32: 4,371,549 km (0.074 R)
• M33: 4,462,504 km (0.111 R)
• M34: 4,554,058 km (0.067 R)
• M35: 4,634,841 km (0.113 R)
• M36: 4,774,266 km (0.08 R)
• M37: 4,868,064 km (0.117 R)
• M38: 5,081,241 km (0.099 R)
• M39: 5,177,134 km (0.104 R)
• M40: 5,261,357 km (0.106 R)
• M41: 5,627,872 km (0.094 R)
• M42: 5,739,472 km (0.119 R)
• M43: 5,851,820 km (0.046 R)
• M44: 6,116,907 km (0.075 R)
• M45: 6,218,933 km (0.103 R)
• M46: 6,450,511 km (0.112 R)
• M47: 6,541,466 km (0.104 R)
• M48: 6,658,900 km (0.038 R)
• M49: 6,829,741 km (0.093 R)
• M50: 6,922,342 km (0.089 R)
• M51: 7,135,669 km (0.106 R)
• M52: 7,270,157 km (0.111 R)
• M53: 7,432,621 km (0.047 R)
• M54: 7,788,664 km (0.069 R)
• M55: 7,871,690 km (0.107 R)
• M56: 8,080,379 km (0.106 R)
• M57: 8,178,516 km (0.066 R)
• M58: 8,347,561 km (0.093 R)
• M59: 8,546,227 km (0.097 R)
• M60: 8,803,984 km (0.118 R)
• M61: 9,253,825 km (0.107 R)
• M62: 9,327,128 km (0.054 R)
• M63: 9,890,364 km (0.058 R)
• M64: 10,040,411 km (0.117 R)
• M65: 10,221,574 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.7

Radius: 11.3

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.19 AU - 2.93 AU

Year: 2778 Days

Day: 6.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 56,969,369 km

• M1: 141,968 km (0.115 R)
• M2: 250,277 km (0.096 R)
• M3: 345,122 km (0.1 R)
• M4: 437,873 km (0.066 R)
• M5: 654,939 km (0.059 R)
• M6: 760,705 km (0.07 R)
• M7: 908,508 km (0.051 R)
• M8: 1,153,998 km (0.088 R)
• M9: 1,234,033 km (0.073 R)
• M10: 1,496,577 km (0.084 R)
• M11: 1,685,669 km (0.102 R)
• M12: 1,765,853 km (0.119 R)
• M13: 1,930,261 km (0.033 R)
• M14: 2,002,367 km (0.105 R)
• M15: 2,099,905 km (0.11 R)
• M16: 2,312,633 km (0.055 R)
• M17: 2,389,527 km (0.069 R)
• M18: 2,467,168 km (0.104 R)
• M19: 2,572,036 km (0.118 R)
• M20: 2,678,550 km (0.07 R)
• M21: 2,882,302 km (0.101 R)
• M22: 2,965,179 km (0.099 R)
• M23: 3,048,954 km (0.037 R)
• M24: 3,161,901 km (0.041 R)
• M25: 3,290,704 km (0.111 R)
• M26: 3,377,471 km (0.077 R)
• M27: 3,538,738 km (0.105 R)
• M28: 3,762,835 km (0.115 R)
• M29: 4,146,554 km (0.094 R)
• M30: 4,430,790 km (0.075 R)
• M31: 4,575,301 km (0.113 R)
• M32: 4,754,071 km (0.093 R)
• M33: 4,935,234 km (0.085 R)
• M34: 5,389,562 km (0.067 R)
• M35: 5,682,475 km (0.101 R)
• M36: 5,839,702 km (0.117 R)
• M37: 5,927,816 km (0.063 R)
• M38: 6,105,089 km (0.112 R)
• M39: 6,374,365 km (0.114 R)
• M40: 6,647,681 km (0.102 R)
• M41: 6,850,535 km (0.106 R)
• M42: 6,961,986 km (0.092 R)
• M43: 7,149,282 km (0.083 R)
• M44: 7,433,219 km (0.12 R)
• M45: 7,759,642 km (0.119 R)
• M46: 7,953,820 km (0.094 R)
• M47: 8,287,722 km (0.116 R)
• M48: 8,426,549 km (0.058 R)
• M49: 8,506,135 km (0.036 R)
• M50: 8,706,446 km (0.103 R)
• M51: 8,847,667 km (0.037 R)
• M52: 8,948,945 km (0.095 R)
• M53: 9,132,202 km (0.108 R)
• M54: 9,234,527 km (0.104 R)
• M55: 9,502,457 km (0.1 R)
• M56: 9,731,341 km (0.057 R)
• M57: 9,940,779 km (0.114 R)
• M58: 10,067,338 km (0.119 R)
• M59: 10,407,075 km (0.087 R)
• M60: 11,011,002 km (0.11 R)
• M61: 11,273,247 km (0.068 R)
• M62: 11,648,289 km (0.059 R)
• M63: 12,139,867 km (0.103 R)
• M64: 12,752,470 km (0.106 R)
• M65: 13,028,030 km (0.106 R)
• M66: 13,866,227 km (0.063 R)
• M67: 14,697,991 km (0.105 R)
• M68: 16,534,305 km (0.12 R)
• M69: 16,659,219 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.7

Radius: 11.8

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 3.19 AU - 4.29 AU

Year: 4906 Days

Day: 11.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 44.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 56,969,369 km

• M1: 174,132 km (0.059 R)
• M2: 333,454 km (0.099 R)
• M3: 541,843 km (0.111 R)
• M4: 652,995 km (0.066 R)
• M5: 765,343 km (0.102 R)
• M6: 893,099 km (0.09 R)
• M7: 1,045,988 km (0.11 R)
• M8: 1,144,125 km (0.114 R)
• M9: 1,703,172 km (0.078 R)
• M10: 1,885,382 km (0.082 R)
• M11: 2,096,764 km (0.038 R)
• M12: 2,316,074 km (0.055 R)
• M13: 2,458,491 km (0.064 R)
• M14: 2,616,317 km (0.119 R)
• M15: 2,715,052 km (0.061 R)
• M16: 2,865,697 km (0.082 R)
• M17: 3,414,571 km (0.092 R)
• M18: 3,646,149 km (0.085 R)
• M19: 3,840,776 km (0.089 R)
• M20: 3,981,996 km (0.053 R)
• M21: 4,225,990 km (0.065 R)
• M22: 4,415,830 km (0.108 R)
• M23: 4,534,162 km (0.119 R)
• M24: 4,653,541 km (0.117 R)
• M25: 4,728,789 km (0.106 R)
• M26: 4,880,331 km (0.091 R)
• M27: 5,391,956 km (0.077 R)
• M28: 5,470,944 km (0.087 R)
• M29: 5,726,457 km (0.104 R)
• M30: 6,249,301 km (0.108 R)
• M31: 6,516,633 km (0.076 R)
• M32: 6,787,704 km (0.09 R)
• M33: 6,873,125 km (0.054 R)
• M34: 7,148,983 km (0.096 R)
• M35: 7,481,539 km (0.117 R)
• M36: 7,658,513 km (0.119 R)
• M37: 7,783,278 km (0.101 R)
• M38: 7,998,699 km (0.081 R)
• M39: 8,270,817 km (0.08 R)
• M40: 8,638,379 km (0.065 R)
• M41: 8,861,430 km (0.05 R)
• M42: 8,936,229 km (0.115 R)
• M43: 9,792,377 km (0.112 R)
• M44: 9,908,465 km (0.047 R)
• M45: 10,318,513 km (0.113 R)
• M46: 10,694,453 km (0.111 R)
• M47: 11,155,513 km (0.105 R)
• M48: 11,725,481 km (0.11 R)
• M49: 11,869,544 km (0.099 R)
• M50: 12,034,850 km (0.097 R)
• M51: 12,138,521 km (0.084 R)
• M52: 12,514,311 km (0.098 R)
• M53: 12,745,888 km (0.077 R)
• M54: 12,936,476 km (0.111 R)
• M55: 13,277,409 km (0.039 R)
• M56: 13,384,671 km (0.06 R)
• M57: 13,686,260 km (0.098 R)
• M58: 13,946,710 km (0.068 R)
• M59: 14,318,311 km (0.075 R)
• M60: 14,406,275 km (0.12 R)
• M61: 14,516,529 km (0.037 R)
• M62: 14,937,647 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 13.5

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 3.64 AU - 4 AU

Year: 5064 Days

Day: 13 Hours

Environment

Temp: -209 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 56,969,369 km

• M1: 168,896 km (0.104 R)
• M2: 309,668 km (0.094 R)
• M3: 437,574 km (0.067 R)
• M4: 752,328 km (0.089 R)
• M5: 930,798 km (0.088 R)
• M6: 1,067,680 km (0.088 R)
• M7: 1,182,571 km (0.079 R)
• M8: 1,332,319 km (0.069 R)
• M9: 1,668,465 km (0.1 R)
• M10: 1,752,539 km (0.074 R)
• M11: 2,307,098 km (0.117 R)
• M12: 2,934,811 km (0.109 R)
• M13: 3,268,265 km (0.09 R)
• M14: 3,375,078 km (0.05 R)
• M15: 3,461,396 km (0.094 R)
• M16: 3,904,056 km (0.067 R)
• M17: 4,201,755 km (0.096 R)
• M18: 4,506,785 km (0.087 R)
• M19: 5,039,653 km (0.051 R)
• M20: 5,490,840 km (0.075 R)
• M21: 6,218,484 km (0.106 R)
• M22: 6,756,887 km (0.111 R)
• M23: 6,921,295 km (0.111 R)
• M24: 7,564,267 km (0.099 R)
• M25: 7,678,111 km (0.057 R)
• M26: 7,763,830 km (0.064 R)
• M27: 7,849,849 km (0.104 R)
• M28: 8,109,850 km (0.115 R)
• M29: 8,226,387 km (0.104 R)
• M30: 8,907,207 km (0.117 R)
• M31: 9,057,553 km (0.059 R)
• M32: 9,269,682 km (0.045 R)
• M33: 9,544,643 km (0.065 R)
• M34: 9,791,480 km (0.116 R)
• M35: 9,884,530 km (0.119 R)
• M36: 10,008,995 km (0.088 R)
• M37: 10,228,306 km (0.076 R)
• M38: 10,322,851 km (0.044 R)
• M39: 11,153,718 km (0.046 R)
• M40: 11,446,331 km (0.113 R)
• M41: 12,205,840 km (0.043 R)
• M42: 13,118,088 km (0.069 R)
• M43: 13,912,602 km (0.05 R)
• M44: 14,474,492 km (0.105 R)
• M45: 14,829,487 km (0.106 R)
• M46: 15,511,953 km (0.114 R)
• M47: 16,610,300 km (0.111 R)
• M48: 17,094,100 km (0.04 R)
• M49: 17,658,084 km (0.116 R)
• M50: 18,765,706 km (0.044 R)
• M51: 19,464,628 km (0.084 R)
• M52: 19,738,691 km (0.108 R)
• M53: 20,132,433 km (0.116 R)
• M54: 20,369,994 km (0.067 R)
• M55: 20,887,752 km (0.079 R)
• M56: 21,047,972 km (0.04 R)
• M57: 21,208,490 km (0.082 R)
• M58: 21,895,743 km (0.036 R)
• M59: 22,180,876 km (0.107 R)
• M60: 23,043,458 km (0.089 R)
• M61: 23,209,062 km (0.057 R)
• M62: 23,416,555 km (0.114 R)
• M63: 24,421,254 km (0.114 R)
• M64: 24,759,196 km (0.084 R)
• M65: 24,928,840 km (0.106 R)
• M66: 25,482,651 km (0.079 R)
• M67: 25,954,483 km (0.083 R)
• M68: 26,169,904 km (0.058 R)
• M69: 27,694,605 km (0.062 R)
• M70: 28,312,444 km (0.036 R)
• M71: 28,623,159 km (0.052 R)
• M72: 29,158,271 km (0.053 R)
• M73: 29,651,794 km (0.095 R)
• M74: 30,419,979 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 761

Radius: 4.3

Gravity: 41.16 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.62 AU - 8.18 AU

Year: 12293 Days

Day: 18.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 56,969,369 km

• M1: 55,202 km (0.045 R)
• M2: 102,026 km (0.09 R)
• M3: 292,015 km (0.104 R)
• M4: 320,139 km (0.052 R)
• M5: 364,121 km (0.066 R)
• M6: 728,392 km (0.117 R)
• M7: 889,958 km (0.117 R)
• M8: 1,018,462 km (0.085 R)
• M9: 1,062,743 km (0.104 R)
• M10: 1,130,212 km (0.054 R)
• M11: 1,269,637 km (0.106 R)
• M12: 1,341,295 km (0.053 R)
• M13: 1,962,425 km (0.057 R)
• M14: 2,186,822 km (0.087 R)
• M15: 2,478,837 km (0.117 R)
• M16: 2,939,598 km (0.071 R)
• M17: 3,034,892 km (0.098 R)
• M18: 3,426,390 km (0.113 R)
• M19: 3,459,750 km (0.098 R)
• M20: 3,628,048 km (0.107 R)
• M21: 3,730,223 km (0.07 R)
• M22: 4,399,973 km (0.111 R)
• M23: 5,220,666 km (0.101 R)
• M24: 5,609,172 km (0.098 R)
• M25: 6,787,255 km (0.104 R)
• M26: 7,512,207 km (0.12 R)
• M27: 7,905,799 km (0.049 R)
• M28: 9,499,315 km (0.116 R)
• M29: 10,067,937 km (0.095 R)
• M30: 10,163,829 km (0.093 R)
• M31: 10,941,289 km (0.078 R)
• M32: 11,637,218 km (0.105 R)
• M33: 11,788,163 km (0.11 R)
• M34: 12,143,009 km (0.062 R)
• M35: 12,811,262 km (0.069 R)
• M36: 13,385,868 km (0.096 R)
• M37: 13,544,142 km (0.052 R)
• M38: 14,022,407 km (0.106 R)
• M39: 14,831,731 km (0.072 R)
• M40: 14,995,541 km (0.095 R)
• M41: 15,324,656 km (0.105 R)
• M42: 15,434,910 km (0.042 R)
• M43: 15,545,463 km (0.069 R)
• M44: 15,767,316 km (0.081 R)
• M45: 16,046,017 km (0.107 R)
• M46: 16,326,513 km (0.118 R)
• M47: 16,892,143 km (0.099 R)
• M48: 16,949,140 km (0.06 R)
• M49: 17,005,987 km (0.106 R)
• M50: 17,234,572 km (0.118 R)
• M51: 19,040,219 km (0.109 R)
• M52: 20,905,106 km (0.026 R)
• M53: 20,966,142 km (0.104 R)
• M54: 22,263,305 km (0.104 R)
• M55: 23,268,902 km (0.112 R)
• M56: 24,869,748 km (0.097 R)
• M57: 25,259,152 km (0.068 R)
• M58: 25,324,227 km (0.107 R)
• M59: 25,454,526 km (0.086 R)
• M60: 25,585,125 km (0.116 R)
• M61: 25,912,595 km (0.067 R)
• M62: 28,243,480 km (0.063 R)
• M63: 28,649,787 km (0.099 R)
• M64: 29,057,890 km (0.047 R)
• M65: 29,880,080 km (0.086 R)
• M66: 31,197,290 km (0.089 R)
• M67: 33,172,879 km (0.071 R)
• M68: 33,673,134 km (0.117 R)
• M69: 33,816,449 km (0.027 R)
• M70: 35,406,824 km (0.092 R)
• M71: 36,284,515 km (0.103 R)
• M72: 36,431,569 km (0.091 R)
• M73: 38,584,881 km (0.116 R)
• M74: 39,186,115 km (0.038 R)
• M75: 39,261,512 km (0.115 R)
• M76: 39,790,490 km (0.085 R)
• M77: 40,779,183 km (0.12 R)
• M78: 41,161,555 km (0.11 R)
• M79: 41,238,149 km (0.087 R)
• M80: 41,698,910 km (0.114 R)
• M81: 44,341,856 km (0.065 R)
• M82: 44,734,999 km (0.069 R)
• M83: 45,524,876 km (0.082 R)
• M84: 46,798,253 km (0.076 R)
• M85: 47,118,393 km (0.065 R)
• M86: 49,379,864 km (0.074 R)
• M87: 50,277,900 km (0.056 R)
• M88: 51,181,321 km (0.087 R)
• M89: 52,588,139 km (0.053 R)
• M90: 53,087,647 km (0.074 R)
• M91: 53,338,074 km (0.106 R)
• M92: 53,505,174 km (0.078 R)
• M93: 54,259,447 km (0.064 R)
• M94: 54,427,445 km (0.087 R)
• M95: 54,679,967 km (0.098 R)
• M96: 56,543,058 km (0.108 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 230 - 13,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit