🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.37

Radius: 1.63

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.48 AU - 0.66 AU

Year: 278 Days

Day: 41.6 Hours

Environment

Temp: -131 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.4

Radius: 13.6

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.69 AU - 0.81 AU

Year: 419 Days

Day: 8.8 Hours

Environment

Temp: -145 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 34,942,862 km

• M1: 170,392 km (0.067 R)
• M2: 280,795 km (0.115 R)
• M3: 369,208 km (0.07 R)
• M4: 499,956 km (0.074 R)
• M5: 633,996 km (0.066 R)
• M6: 738,565 km (0.039 R)
• M7: 823,387 km (0.118 R)
• M8: 912,098 km (0.077 R)
• M9: 1,000,511 km (0.05 R)
• M10: 1,113,307 km (0.07 R)
• M11: 1,199,925 km (0.088 R)
• M12: 1,302,549 km (0.077 R)
• M13: 1,417,739 km (0.12 R)
• M14: 1,614,460 km (0.04 R)
• M15: 1,769,593 km (0.055 R)
• M16: 1,898,397 km (0.055 R)
• M17: 2,100,504 km (0.117 R)
• M18: 2,237,386 km (0.104 R)
• M19: 2,337,916 km (0.076 R)
• M20: 2,561,116 km (0.095 R)
• M21: 2,684,235 km (0.068 R)
• M22: 2,773,545 km (0.044 R)
• M23: 2,881,853 km (0.085 R)
• M24: 3,053,442 km (0.109 R)
• M25: 3,209,622 km (0.087 R)
• M26: 3,478,001 km (0.116 R)
• M27: 3,582,121 km (0.088 R)
• M28: 3,833,894 km (0.113 R)
• M29: 3,989,177 km (0.107 R)
• M30: 4,125,909 km (0.113 R)
• M31: 4,243,493 km (0.077 R)
• M32: 4,496,014 km (0.055 R)
• M33: 4,659,974 km (0.07 R)
• M34: 4,891,551 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.2

Radius: 10.6

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.64 AU - 0.94 AU

Year: 453 Days

Day: 8.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 34,942,862 km

• M1: 134,788 km (0.049 R)
• M2: 216,468 km (0.064 R)
• M3: 328,367 km (0.101 R)
• M4: 416,780 km (0.091 R)
• M5: 626,815 km (0.044 R)
• M6: 721,062 km (0.083 R)
• M7: 808,876 km (0.076 R)
• M8: 876,494 km (0.074 R)
• M9: 1,198,429 km (0.046 R)
• M10: 1,304,643 km (0.089 R)
• M11: 1,380,489 km (0.098 R)
• M12: 1,472,641 km (0.089 R)
• M13: 1,725,312 km (0.1 R)
• M14: 1,814,473 km (0.105 R)
• M15: 2,091,378 km (0.109 R)
• M16: 2,198,042 km (0.098 R)
• M17: 2,300,965 km (0.093 R)
• M18: 2,475,994 km (0.055 R)
• M19: 2,685,731 km (0.06 R)
• M20: 2,851,784 km (0.094 R)
• M21: 2,951,716 km (0.078 R)
• M22: 3,071,992 km (0.086 R)
• M23: 3,187,332 km (0.12 R)
• M24: 3,389,738 km (0.079 R)
• M25: 3,656,920 km (0.042 R)
• M26: 3,731,719 km (0.119 R)
• M27: 3,952,077 km (0.066 R)
• M28: 4,099,131 km (0.037 R)
• M29: 4,340,881 km (0.116 R)
• M30: 4,420,168 km (0.116 R)
• M31: 4,749,433 km (0.115 R)
• M32: 5,094,406 km (0.097 R)
• M33: 5,185,661 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.6

Radius: 12.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.01 AU - 1.49 AU

Year: 902 Days

Day: 5.6 Hours

Environment

Temp: -163 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 34,942,862 km

• M1: 159,621 km (0.049 R)
• M2: 281,992 km (0.07 R)
• M3: 449,392 km (0.058 R)
• M4: 580,589 km (0.032 R)
• M5: 662,419 km (0.057 R)
• M6: 765,492 km (0.111 R)
• M7: 934,538 km (0.051 R)
• M8: 1,189,153 km (0.114 R)
• M9: 1,338,901 km (0.097 R)
• M10: 1,423,424 km (0.101 R)
• M11: 1,741,918 km (0.097 R)
• M12: 1,842,597 km (0.117 R)
• M13: 1,937,592 km (0.111 R)
• M14: 2,223,922 km (0.073 R)
• M15: 2,428,273 km (0.084 R)
• M16: 2,612,428 km (0.091 R)
• M17: 2,710,713 km (0.056 R)
• M18: 2,810,196 km (0.081 R)
• M19: 2,975,801 km (0.045 R)
• M20: 3,059,875 km (0.061 R)
• M21: 3,355,630 km (0.099 R)
• M22: 3,521,833 km (0.1 R)
• M23: 3,600,970 km (0.085 R)
• M24: 3,690,729 km (0.071 R)
• M25: 3,771,213 km (0.073 R)
• M26: 4,016,254 km (0.092 R)
• M27: 4,130,248 km (0.118 R)
• M28: 4,213,873 km (0.065 R)
• M29: 5,103,831 km (0.101 R)
• M30: 5,329,723 km (0.075 R)
• M31: 5,524,201 km (0.11 R)
• M32: 5,628,171 km (0.08 R)
• M33: 5,861,544 km (0.117 R)
• M34: 6,026,849 km (0.102 R)
• M35: 6,241,672 km (0.118 R)
• M36: 6,422,685 km (0.062 R)
• M37: 6,715,897 km (0.066 R)
• M38: 6,901,399 km (0.108 R)
• M39: 7,063,563 km (0.105 R)
• M40: 7,290,203 km (0.1 R)
• M41: 7,417,212 km (0.109 R)
• M42: 7,544,969 km (0.039 R)
• M43: 7,919,412 km (0.096 R)
• M44: 8,089,355 km (0.033 R)
• M45: 8,247,181 km (0.103 R)
• M46: 8,392,889 km (0.093 R)
• M47: 8,606,216 km (0.109 R)
• M48: 8,956,873 km (0.1 R)
• M49: 9,120,234 km (0.103 R)
• M50: 9,325,931 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.8

Radius: 10.1

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.15 AU - 1.53 AU

Year: 1002 Days

Day: 13.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 34,942,862 km

• M1: 179,218 km (0.06 R)
• M2: 341,981 km (0.098 R)
• M3: 465,698 km (0.081 R)
• M4: 531,372 km (0.079 R)
• M5: 618,886 km (0.034 R)
• M6: 718,219 km (0.102 R)
• M7: 877,990 km (0.104 R)
• M8: 941,270 km (0.064 R)
• M9: 1,072,617 km (0.063 R)
• M10: 1,155,943 km (0.069 R)
• M11: 1,337,854 km (0.104 R)
• M12: 1,667,717 km (0.105 R)
• M13: 1,939,088 km (0.083 R)
• M14: 2,080,009 km (0.053 R)
• M15: 2,214,796 km (0.077 R)
• M16: 2,322,806 km (0.09 R)
• M17: 2,422,438 km (0.105 R)
• M18: 2,493,198 km (0.109 R)
• M19: 2,616,018 km (0.104 R)
• M20: 2,793,441 km (0.028 R)
• M21: 2,974,903 km (0.041 R)
• M22: 3,105,353 km (0.117 R)
• M23: 3,293,547 km (0.116 R)
• M24: 3,383,455 km (0.092 R)
• M25: 3,681,304 km (0.069 R)
• M26: 3,821,627 km (0.051 R)
• M27: 3,904,355 km (0.12 R)
• M28: 4,071,456 km (0.118 R)
• M29: 4,241,100 km (0.093 R)
• M30: 4,363,770 km (0.101 R)
• M31: 4,475,071 km (0.049 R)
• M32: 4,751,378 km (0.115 R)
• M33: 4,917,132 km (0.097 R)
• M34: 5,241,610 km (0.104 R)
• M35: 5,519,563 km (0.062 R)
• M36: 5,653,603 km (0.112 R)
• M37: 5,815,916 km (0.102 R)
• M38: 6,131,418 km (0.091 R)
• M39: 6,270,245 km (0.032 R)
• M40: 6,424,331 km (0.069 R)
• M41: 6,537,128 km (0.106 R)
• M42: 6,622,249 km (0.07 R)
• M43: 6,707,669 km (0.038 R)
• M44: 6,850,834 km (0.117 R)
• M45: 7,009,408 km (0.034 R)
• M46: 7,286,463 km (0.109 R)
• M47: 7,448,478 km (0.116 R)
• M48: 7,537,339 km (0.104 R)
• M49: 7,611,689 km (0.07 R)
• M50: 7,746,178 km (0.101 R)
• M51: 7,821,126 km (0.118 R)
• M52: 7,896,374 km (0.11 R)
• M53: 8,337,837 km (0.044 R)
• M54: 8,944,008 km (0.082 R)
• M55: 9,070,119 km (0.095 R)
• M56: 9,149,256 km (0.066 R)
• M57: 9,388,164 km (0.089 R)
• M58: 9,596,703 km (0.098 R)
• M59: 9,790,732 km (0.12 R)
• M60: 9,920,732 km (0.082 R)
• M61: 10,463,174 km (0.114 R)
• M62: 10,646,132 km (0.116 R)
• M63: 10,763,118 km (0.042 R)
• M64: 10,846,893 km (0.117 R)
• M65: 10,947,722 km (0.086 R)
• M66: 11,133,522 km (0.103 R)
• M67: 11,252,303 km (0.102 R)
• M68: 11,491,061 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.8

Radius: 11.1

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.27 AU - 2.37 AU

Year: 2282 Days

Day: 5.7 Hours

Environment

Temp: -188 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 34,942,862 km

• M1: 143,764 km (0.114 R)
• M2: 218,413 km (0.064 R)
• M3: 371,302 km (0.116 R)
• M4: 479,162 km (0.102 R)
• M5: 748,289 km (0.089 R)
• M6: 1,018,462 km (0.117 R)
• M7: 1,131,558 km (0.095 R)
• M8: 1,209,499 km (0.062 R)
• M9: 1,289,234 km (0.09 R)
• M10: 1,475,783 km (0.075 R)
• M11: 1,682,378 km (0.064 R)
• M12: 1,806,544 km (0.084 R)
• M13: 1,992,644 km (0.118 R)
• M14: 2,088,237 km (0.072 R)
• M15: 2,246,810 km (0.077 R)
• M16: 2,346,443 km (0.025 R)
• M17: 2,460,287 km (0.064 R)
• M18: 2,628,135 km (0.11 R)
• M19: 2,853,430 km (0.047 R)
• M20: 3,057,481 km (0.114 R)
• M21: 3,294,744 km (0.027 R)
• M22: 4,537,752 km (0.116 R)
• M23: 4,648,754 km (0.105 R)
• M24: 4,987,144 km (0.082 R)
• M25: 5,283,647 km (0.086 R)
• M26: 5,825,042 km (0.118 R)
• M27: 6,119,899 km (0.096 R)
• M28: 6,190,061 km (0.11 R)
• M29: 6,402,041 km (0.093 R)
• M30: 6,760,627 km (0.098 R)
• M31: 6,851,283 km (0.109 R)
• M32: 6,978,890 km (0.089 R)
• M33: 7,162,596 km (0.054 R)
• M34: 7,347,948 km (0.117 R)
• M35: 7,459,847 km (0.076 R)
• M36: 7,856,282 km (0.07 R)
• M37: 8,066,766 km (0.029 R)
• M38: 8,395,582 km (0.026 R)
• M39: 8,512,717 km (0.073 R)
• M40: 8,788,127 km (0.075 R)
• M41: 8,867,414 km (0.059 R)
• M42: 9,206,851 km (0.087 R)
• M43: 9,591,168 km (0.113 R)
• M44: 9,919,087 km (0.103 R)
• M45: 10,313,128 km (0.08 R)
• M46: 10,564,751 km (0.045 R)
• M47: 10,988,562 km (0.104 R)
• M48: 11,374,824 km (0.087 R)
• M49: 12,337,636 km (0.082 R)
• M50: 12,649,547 km (0.117 R)
• M51: 12,739,156 km (0.098 R)
• M52: 13,372,105 km (0.116 R)
• M53: 13,486,248 km (0.09 R)
• M54: 13,761,359 km (0.075 R)
• M55: 13,992,188 km (0.063 R)
• M56: 14,107,977 km (0.067 R)
• M57: 14,833,526 km (0.067 R)
• M58: 15,403,644 km (0.085 R)
• M59: 15,860,067 km (0.089 R)
• M60: 16,126,202 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 307.7

Radius: 3.4

Gravity: 26.62 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.19 AU - 10.55 AU

Year: 18519 Days

Day: 21.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 34,942,862 km

• M1: 68,067 km (0.113 R)
• M2: 115,041 km (0.106 R)
• M3: 154,235 km (0.085 R)
• M4: 187,147 km (0.116 R)
• M5: 315,502 km (0.07 R)
• M6: 1,133,353 km (0.116 R)
• M7: 1,870,871 km (0.092 R)
• M8: 2,060,411 km (0.096 R)
• M9: 2,428,572 km (0.044 R)
• M10: 3,288,161 km (0.081 R)
• M11: 3,320,474 km (0.112 R)
• M12: 3,615,781 km (0.077 R)
• M13: 4,196,519 km (0.093 R)
• M14: 4,266,681 km (0.109 R)
• M15: 4,989,987 km (0.112 R)
• M16: 5,867,677 km (0.07 R)
• M17: 6,791,743 km (0.117 R)
• M18: 6,874,172 km (0.105 R)
• M19: 6,915,610 km (0.089 R)
• M20: 7,123,551 km (0.069 R)
• M21: 7,460,745 km (0.067 R)
• M22: 7,674,221 km (0.099 R)
• M23: 7,717,006 km (0.085 R)
• M24: 8,905,561 km (0.05 R)
• M25: 9,868,672 km (0.07 R)
• M26: 10,149,916 km (0.094 R)
• M27: 10,197,040 km (0.072 R)
• M28: 10,244,163 km (0.038 R)
• M29: 10,576,569 km (0.097 R)
• M30: 10,720,183 km (0.115 R)
• M31: 11,154,616 km (0.078 R)
• M32: 11,742,834 km (0.089 R)
• M33: 11,792,351 km (0.08 R)
• M34: 12,643,862 km (0.099 R)
• M35: 13,567,031 km (0.103 R)
• M36: 13,670,852 km (0.056 R)
• M37: 14,141,786 km (0.105 R)
• M38: 15,099,212 km (0.111 R)
• M39: 15,967,778 km (0.1 R)
• M40: 16,518,896 km (0.061 R)
• M41: 16,741,049 km (0.06 R)
• M42: 16,852,350 km (0.03 R)
• M43: 18,380,941 km (0.052 R)
• M44: 18,495,832 km (0.038 R)
• M45: 18,726,512 km (0.089 R)
• M46: 18,784,406 km (0.071 R)
• M47: 19,953,065 km (0.101 R)
• M48: 21,205,349 km (0.078 R)
• M49: 21,265,637 km (0.104 R)
• M50: 21,386,362 km (0.092 R)
• M51: 21,446,800 km (0.101 R)
• M52: 21,507,237 km (0.093 R)
• M53: 22,115,352 km (0.053 R)
• M54: 22,176,388 km (0.117 R)
• M55: 22,360,095 km (0.109 R)
• M56: 22,421,430 km (0.098 R)
• M57: 22,605,884 km (0.073 R)
• M58: 22,790,637 km (0.112 R)
• M59: 22,852,421 km (0.113 R)
• M60: 23,161,939 km (0.085 R)
• M61: 23,224,022 km (0.053 R)
• M62: 24,540,184 km (0.094 R)
• M63: 28,497,796 km (0.08 R)
• M64: 29,299,341 km (0.112 R)
• M65: 29,770,275 km (0.117 R)
• M66: 31,816,924 km (0.045 R)
• M67: 33,136,377 km (0.071 R)
• M68: 33,416,424 km (0.05 R)
• M69: 33,837,991 km (0.113 R)
• M70: 35,042,104 km (0.115 R)
• M71: 36,043,961 km (0.039 R)
• M72: 37,200,652 km (0.096 R)
• M73: 37,637,478 km (0.048 R)
• M74: 38,222,705 km (0.106 R)
• M75: 39,550,236 km (0.1 R)
• M76: 40,667,882 km (0.077 R)
• M77: 41,645,055 km (0.048 R)
• M78: 42,098,636 km (0.12 R)
• M79: 44,006,009 km (0.106 R)
• M80: 45,396,671 km (0.078 R)
• M81: 45,474,462 km (0.116 R)
• M82: 46,410,047 km (0.096 R)
• M83: 48,776,835 km (0.08 R)
• M84: 49,414,570 km (0.112 R)
• M85: 49,814,595 km (0.116 R)
• M86: 49,894,630 km (0.078 R)
• M87: 50,055,148 km (0.061 R)
• M88: 50,135,333 km (0.092 R)
• M89: 50,778,903 km (0.11 R)
• M90: 51,263,450 km (0.087 R)
• M91: 52,155,652 km (0.092 R)
• M92: 52,318,415 km (0.03 R)
• M93: 52,726,069 km (0.119 R)
• M94: 53,790,906 km (0.099 R)
• M95: 54,202,301 km (0.119 R)
• M96: 54,614,891 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 72.4

Radius: 3.1

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 7.46 AU - 11.7 AU

Year: 19145 Days

Day: 21 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 34,942,862 km

• M1: 58,942 km (0.092 R)
• M2: 115,938 km (0.098 R)
• M3: 488,736 km (0.094 R)
• M4: 813,513 km (0.12 R)
• M5: 888,312 km (0.1 R)
• M6: 1,417,589 km (0.106 R)
• M7: 1,693,448 km (0.11 R)
• M8: 1,731,595 km (0.068 R)
• M9: 2,127,431 km (0.117 R)
• M10: 2,209,860 km (0.102 R)
• M11: 2,251,448 km (0.111 R)
• M12: 2,506,662 km (0.111 R)
• M13: 2,637,710 km (0.073 R)
• M14: 2,659,850 km (0.034 R)
• M15: 3,160,554 km (0.11 R)
• M16: 3,813,549 km (0.067 R)
• M17: 4,271,318 km (0.035 R)
• M18: 4,427,798 km (0.106 R)
• M19: 4,506,785 km (0.099 R)
• M20: 5,574,316 km (0.085 R)
• M21: 6,297,771 km (0.057 R)
• M22: 6,475,793 km (0.108 R)
• M23: 6,836,623 km (0.053 R)
• M24: 7,483,783 km (0.092 R)
• M25: 8,637,931 km (0.105 R)
• M26: 9,201,915 km (0.058 R)
• M27: 9,777,717 km (0.1 R)
• M28: 9,914,898 km (0.062 R)
• M29: 10,330,182 km (0.104 R)
• M30: 10,504,912 km (0.091 R)
• M31: 10,786,455 km (0.085 R)
• M32: 10,857,365 km (0.111 R)
• M33: 11,609,842 km (0.071 R)
• M34: 11,937,461 km (0.105 R)
• M35: 13,240,309 km (0.104 R)
• M36: 13,392,001 km (0.096 R)
• M37: 13,735,628 km (0.118 R)
• M38: 14,004,754 km (0.116 R)
• M39: 14,043,351 km (0.111 R)
• M40: 14,275,676 km (0.115 R)
• M41: 14,783,411 km (0.052 R)
• M42: 14,980,282 km (0.077 R)
• M43: 15,856,776 km (0.039 R)
• M44: 16,017,893 km (0.051 R)
• M45: 16,545,375 km (0.11 R)
• M46: 16,749,726 km (0.109 R)
• M47: 17,409,303 km (0.103 R)
• M48: 18,838,860 km (0.053 R)
• M49: 19,395,364 km (0.109 R)
• M50: 20,044,170 km (0.03 R)
• M51: 21,097,040 km (0.097 R)
• M52: 21,585,477 km (0.098 R)
• M53: 22,483,214 km (0.086 R)
• M54: 22,528,392 km (0.107 R)
• M55: 22,754,883 km (0.088 R)
• M56: 23,301,514 km (0.068 R)
• M57: 24,733,614 km (0.049 R)
• M58: 25,154,732 km (0.086 R)
• M59: 25,814,309 km (0.111 R)
• M60: 25,909,005 km (0.106 R)
• M61: 26,718,778 km (0.094 R)
• M62: 27,343,499 km (0.053 R)
• M63: 27,973,007 km (0.081 R)
• M64: 29,493,370 km (0.092 R)
• M65: 30,688,806 km (0.079 R)
• M66: 30,990,097 km (0.114 R)
• M67: 32,511,208 km (0.072 R)
• M68: 32,715,858 km (0.04 R)
• M69: 33,849,211 km (0.109 R)
• M70: 34,524,795 km (0.105 R)
• M71: 34,681,424 km (0.076 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: 264 - 15,189 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit