🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.52 AU - 0.68 AU

Year: 296 Days

Day: 37.3 Hours

Environment

Temp: -133 °C

Axial Tilt: 28.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 39,939,947 km

• M1: 562,937 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758.5

Radius: 14.5

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.76 AU - 1.16 AU

Year: 598 Days

Day: 14.5 Hours

Environment

Temp: -153 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 39,939,947 km

• M1: 181,612 km (0.095 R)
• M2: 347,815 km (0.081 R)
• M3: 472,879 km (0.076 R)
• M4: 645,216 km (0.084 R)
• M5: 764,595 km (0.071 R)
• M6: 857,495 km (0.083 R)
• M7: 959,970 km (0.101 R)
• M8: 1,083,687 km (0.07 R)
• M9: 1,196,035 km (0.098 R)
• M10: 1,300,753 km (0.032 R)
• M11: 1,433,447 km (0.112 R)
• M12: 1,526,796 km (0.111 R)
• M13: 1,654,552 km (0.073 R)
• M14: 1,779,467 km (0.114 R)
• M15: 1,873,713 km (0.114 R)
• M16: 2,159,595 km (0.085 R)
• M17: 2,267,904 km (0.078 R)
• M18: 2,490,057 km (0.094 R)
• M19: 2,649,977 km (0.092 R)
• M20: 2,766,513 km (0.098 R)
• M21: 2,972,510 km (0.063 R)
• M22: 3,274,548 km (0.05 R)
• M23: 3,374,629 km (0.114 R)
• M24: 3,467,379 km (0.098 R)
• M25: 3,595,286 km (0.101 R)
• M26: 3,873,538 km (0.118 R)
• M27: 3,970,926 km (0.097 R)
• M28: 4,122,917 km (0.108 R)
• M29: 4,432,884 km (0.066 R)
• M30: 4,534,760 km (0.113 R)
• M31: 4,646,959 km (0.08 R)
• M32: 4,769,479 km (0.081 R)
• M33: 4,893,047 km (0.039 R)
• M34: 5,046,834 km (0.077 R)
• M35: 5,143,624 km (0.076 R)
• M36: 5,319,700 km (0.051 R)
• M37: 5,577,457 km (0.111 R)
• M38: 5,829,231 km (0.087 R)
• M39: 5,941,130 km (0.096 R)
• M40: 6,167,322 km (0.109 R)
• M41: 6,385,884 km (0.088 R)
• M42: 6,691,962 km (0.102 R)
• M43: 6,927,578 km (0.091 R)
• M44: 7,046,359 km (0.12 R)
• M45: 7,242,183 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.6

Radius: 8.6

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.71 AU - 2.11 AU

Year: 1678 Days

Day: 8.1 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 39,939,947 km

• M1: 110,403 km (0.067 R)
• M2: 170,093 km (0.109 R)
• M3: 319,990 km (0.103 R)
• M4: 400,324 km (0.113 R)
• M5: 458,517 km (0.119 R)
• M6: 520,152 km (0.084 R)
• M7: 591,660 km (0.071 R)
• M8: 716,574 km (0.115 R)
• M9: 820,096 km (0.057 R)
• M10: 961,017 km (0.078 R)
• M11: 1,067,830 km (0.09 R)
• M12: 1,320,800 km (0.082 R)
• M13: 1,478,027 km (0.108 R)
• M14: 1,760,468 km (0.081 R)
• M15: 2,028,248 km (0.077 R)
• M16: 2,102,598 km (0.094 R)
• M17: 2,177,995 km (0.114 R)
• M18: 2,254,141 km (0.091 R)
• M19: 2,309,193 km (0.088 R)
• M20: 2,488,261 km (0.097 R)
• M21: 2,602,554 km (0.082 R)
• M22: 2,992,257 km (0.069 R)
• M23: 3,052,844 km (0.054 R)
• M24: 3,113,880 km (0.106 R)
• M25: 3,212,465 km (0.044 R)
• M26: 3,514,503 km (0.086 R)
• M27: 3,825,816 km (0.076 R)
• M28: 3,918,267 km (0.081 R)
• M29: 3,984,838 km (0.107 R)
• M30: 4,186,646 km (0.062 R)
• M31: 4,309,316 km (0.116 R)
• M32: 4,614,346 km (0.12 R)
• M33: 4,755,417 km (0.12 R)
• M34: 5,260,160 km (0.069 R)
• M35: 5,348,423 km (0.107 R)
• M36: 5,451,945 km (0.117 R)
• M37: 6,041,360 km (0.075 R)
• M38: 6,289,094 km (0.102 R)
• M39: 6,351,477 km (0.066 R)
• M40: 6,476,989 km (0.045 R)
• M41: 6,650,972 km (0.098 R)
• M42: 6,971,111 km (0.081 R)
• M43: 7,660,009 km (0.063 R)
• M44: 7,894,429 km (0.117 R)
• M45: 8,012,612 km (0.074 R)
• M46: 8,233,568 km (0.109 R)
• M47: 8,594,697 km (0.111 R)
• M48: 8,803,386 km (0.117 R)
• M49: 9,013,721 km (0.087 R)
• M50: 9,225,850 km (0.12 R)
• M51: 9,475,380 km (0.061 R)
• M52: 9,582,940 km (0.097 R)
• M53: 9,781,307 km (0.086 R)
• M54: 9,853,713 km (0.085 R)
• M55: 10,108,777 km (0.081 R)
• M56: 10,200,480 km (0.105 R)
• M57: 10,366,085 km (0.102 R)
• M58: 10,476,937 km (0.119 R)
• M59: 11,056,330 km (0.054 R)
• M60: 11,112,878 km (0.047 R)
• M61: 11,321,417 km (0.06 R)
• M62: 11,416,562 km (0.09 R)
• M63: 11,684,491 km (0.084 R)
• M64: 11,780,533 km (0.091 R)
• M65: 12,109,648 km (0.119 R)
• M66: 12,382,814 km (0.103 R)
• M67: 12,638,327 km (0.03 R)
• M68: 12,756,958 km (0.1 R)
• M69: 12,836,096 km (0.096 R)
• M70: 12,915,532 km (0.103 R)
• M71: 13,034,911 km (0.036 R)
• M72: 13,435,534 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.9

Radius: 13.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 1.78 AU - 2.24 AU

Year: 1812 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 39,939,947 km

• M1: 173,384 km (0.115 R)
• M2: 283,039 km (0.112 R)
• M3: 407,804 km (0.105 R)
• M4: 553,363 km (0.103 R)
• M5: 673,041 km (0.031 R)
• M6: 854,503 km (0.097 R)
• M7: 1,072,617 km (0.048 R)
• M8: 1,218,923 km (0.091 R)
• M9: 1,435,691 km (0.102 R)
• M10: 1,587,533 km (0.097 R)
• M11: 1,699,432 km (0.062 R)
• M12: 1,837,511 km (0.096 R)
• M13: 2,003,564 km (0.114 R)
• M14: 2,100,653 km (0.117 R)
• M15: 2,558,273 km (0.095 R)
• M16: 2,704,430 km (0.102 R)
• M17: 2,826,053 km (0.089 R)
• M18: 3,019,184 km (0.068 R)
• M19: 3,145,744 km (0.107 R)
• M20: 3,331,545 km (0.111 R)
• M21: 3,669,636 km (0.119 R)
• M22: 4,096,289 km (0.099 R)
• M23: 4,506,785 km (0.046 R)
• M24: 4,963,957 km (0.109 R)
• M25: 5,130,908 km (0.113 R)
• M26: 5,642,981 km (0.102 R)
• M27: 5,905,226 km (0.112 R)
• M28: 6,117,955 km (0.087 R)
• M29: 6,333,226 km (0.11 R)
• M30: 6,532,789 km (0.085 R)
• M31: 6,624,194 km (0.082 R)
• M32: 6,994,299 km (0.112 R)
• M33: 7,447,281 km (0.045 R)
• M34: 7,754,555 km (0.053 R)
• M35: 7,909,838 km (0.086 R)
• M36: 8,521,244 km (0.11 R)
• M37: 8,984,848 km (0.069 R)
• M38: 9,873,609 km (0.078 R)
• M39: 10,042,056 km (0.084 R)
• M40: 10,403,186 km (0.102 R)
• M41: 10,617,709 km (0.07 R)
• M42: 10,790,345 km (0.088 R)
• M43: 11,204,133 km (0.091 R)
• M44: 11,335,779 km (0.111 R)
• M45: 11,689,727 km (0.063 R)
• M46: 11,778,738 km (0.034 R)
• M47: 12,340,478 km (0.075 R)
• M48: 12,636,083 km (0.087 R)
• M49: 13,072,311 km (0.112 R)
• M50: 13,327,076 km (0.066 R)
• M51: 13,443,463 km (0.073 R)
• M52: 13,606,974 km (0.094 R)
• M53: 13,724,109 km (0.089 R)
• M54: 13,818,056 km (0.078 R)
• M55: 13,935,939 km (0.109 R)
• M56: 14,077,758 km (0.074 R)
• M57: 14,914,459 km (0.097 R)
• M58: 15,083,804 km (0.115 R)
• M59: 15,253,747 km (0.113 R)
• M60: 15,375,520 km (0.065 R)
• M61: 15,473,207 km (0.119 R)
• M62: 15,571,044 km (0.096 R)
• M63: 15,742,782 km (0.085 R)
• M64: 16,063,520 km (0.083 R)
• M65: 16,461,151 km (0.034 R)
• M66: 16,586,215 km (0.118 R)
• M67: 16,988,035 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.4

Radius: 12.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.89 AU - 3.75 AU

Year: 3846 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 39,939,947 km

• M1: 200,910 km (0.09 R)
• M2: 283,937 km (0.059 R)
• M3: 415,583 km (0.112 R)
• M4: 509,979 km (0.092 R)
• M5: 643,271 km (0.104 R)
• M6: 823,387 km (0.119 R)
• M7: 1,033,422 km (0.102 R)
• M8: 1,889,272 km (0.103 R)
• M9: 1,981,873 km (0.097 R)
• M10: 2,123,691 km (0.087 R)
• M11: 2,204,025 km (0.092 R)
• M12: 2,919,552 km (0.118 R)
• M13: 3,063,764 km (0.071 R)
• M14: 3,415,918 km (0.07 R)
• M15: 3,548,910 km (0.096 R)
• M16: 3,683,698 km (0.106 R)
• M17: 3,879,372 km (0.106 R)
• M18: 4,098,682 km (0.057 R)
• M19: 4,633,046 km (0.104 R)
• M20: 5,102,634 km (0.096 R)
• M21: 5,409,609 km (0.101 R)
• M22: 6,179,888 km (0.046 R)
• M23: 6,296,126 km (0.105 R)
• M24: 6,436,598 km (0.064 R)
• M25: 6,601,754 km (0.111 R)
• M26: 6,720,684 km (0.082 R)
• M27: 6,888,234 km (0.043 R)
• M28: 7,033,045 km (0.065 R)
• M29: 8,125,708 km (0.044 R)
• M30: 8,278,746 km (0.094 R)
• M31: 8,484,443 km (0.088 R)
• M32: 8,900,774 km (0.077 R)
• M33: 9,591,767 km (0.06 R)
• M34: 9,835,013 km (0.071 R)
• M35: 9,998,224 km (0.116 R)
• M36: 10,107,580 km (0.053 R)
• M37: 10,189,859 km (0.103 R)
• M38: 10,382,840 km (0.067 R)
• M39: 10,800,218 km (0.109 R)
• M40: 11,025,064 km (0.109 R)
• M41: 11,109,886 km (0.105 R)
• M42: 11,223,131 km (0.069 R)
• M43: 11,479,542 km (0.117 R)
• M44: 11,594,134 km (0.099 R)
• M45: 11,882,260 km (0.089 R)
• M46: 12,260,293 km (0.072 R)
• M47: 12,524,483 km (0.109 R)
• M48: 13,028,479 km (0.119 R)
• M49: 13,177,927 km (0.071 R)
• M50: 14,766,507 km (0.094 R)
• M51: 14,922,537 km (0.098 R)
• M52: 15,173,114 km (0.081 R)
• M53: 15,742,184 km (0.081 R)
• M54: 16,414,926 km (0.109 R)
• M55: 16,673,730 km (0.057 R)
• M56: 16,933,881 km (0.118 R)
• M57: 17,888,016 km (0.115 R)
• M58: 18,254,531 km (0.074 R)
• M59: 18,354,911 km (0.115 R)
• M60: 18,556,269 km (0.047 R)
• M61: 18,792,185 km (0.056 R)
• M62: 18,927,422 km (0.041 R)
• M63: 19,096,916 km (0.066 R)
• M64: 19,232,751 km (0.118 R)
• M65: 19,539,875 km (0.111 R)
• M66: 19,642,500 km (0.07 R)
• M67: 20,020,683 km (0.074 R)
• M68: 20,470,673 km (0.038 R)
• M69: 20,609,949 km (0.098 R)
• M70: 21,557,352 km (0.093 R)
• M71: 22,590,774 km (0.096 R)
• M72: 22,987,059 km (0.084 R)
• M73: 23,676,855 km (0.077 R)
• M74: 24,262,979 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 13.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.91 AU - 4.65 AU

Year: 4673 Days

Day: 7.6 Hours

Environment

Temp: -208 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 39,939,947 km

• M1: 184,903 km (0.078 R)
• M2: 332,706 km (0.059 R)
• M3: 761,603 km (0.052 R)
• M4: 1,056,610 km (0.079 R)
• M5: 1,703,172 km (0.119 R)
• M6: 1,931,608 km (0.093 R)
• M7: 2,077,316 km (0.105 R)
• M8: 2,170,216 km (0.062 R)
• M9: 2,438,445 km (0.072 R)
• M10: 2,697,250 km (0.049 R)
• M11: 2,799,275 km (0.084 R)
• M12: 2,944,385 km (0.089 R)
• M13: 3,092,038 km (0.111 R)
• M14: 3,263,777 km (0.101 R)
• M15: 3,350,992 km (0.11 R)
• M16: 3,461,096 km (0.119 R)
• M17: 3,844,366 km (0.091 R)
• M18: 3,959,856 km (0.097 R)
• M19: 4,554,358 km (0.106 R)
• M20: 5,075,706 km (0.109 R)
• M21: 5,279,309 km (0.064 R)
• M22: 5,433,843 km (0.065 R)
• M23: 6,202,178 km (0.081 R)
• M24: 6,475,045 km (0.103 R)
• M25: 6,585,298 km (0.109 R)
• M26: 6,948,073 km (0.057 R)
• M27: 7,146,141 km (0.111 R)
• M28: 7,403,748 km (0.105 R)
• M29: 7,693,370 km (0.12 R)
• M30: 7,898,468 km (0.1 R)
• M31: 9,290,626 km (0.114 R)
• M32: 9,855,957 km (0.12 R)
• M33: 9,983,115 km (0.105 R)
• M34: 10,142,736 km (0.089 R)
• M35: 10,594,521 km (0.07 R)
• M36: 10,757,583 km (0.116 R)
• M37: 10,855,719 km (0.049 R)
• M38: 11,584,859 km (0.105 R)
• M39: 11,921,604 km (0.059 R)
• M40: 12,227,382 km (0.059 R)
• M41: 13,441,219 km (0.111 R)
• M42: 14,548,243 km (0.109 R)
• M43: 14,802,261 km (0.097 R)
• M44: 15,351,584 km (0.095 R)
• M45: 16,019,688 km (0.045 R)
• M46: 16,583,672 km (0.102 R)
• M47: 17,001,499 km (0.047 R)
• M48: 17,692,491 km (0.107 R)
• M49: 18,353,714 km (0.107 R)
• M50: 18,589,031 km (0.081 R)
• M51: 19,023,015 km (0.099 R)
• M52: 19,941,247 km (0.112 R)
• M53: 20,142,755 km (0.108 R)
• M54: 20,385,552 km (0.079 R)
• M55: 20,507,325 km (0.092 R)
• M56: 20,751,469 km (0.119 R)
• M57: 20,955,670 km (0.1 R)
• M58: 21,448,595 km (0.072 R)
• M59: 21,696,478 km (0.11 R)
• M60: 21,903,821 km (0.045 R)
• M61: 22,487,851 km (0.11 R)
• M62: 22,950,258 km (0.11 R)
• M63: 23,671,170 km (0.115 R)
• M64: 23,799,226 km (0.103 R)
• M65: 24,141,656 km (0.066 R)
• M66: 24,572,049 km (0.099 R)
• M67: 24,744,834 km (0.116 R)
• M68: 24,874,685 km (0.08 R)
• M69: 25,091,752 km (0.11 R)
• M70: 25,178,818 km (0.059 R)
• M71: 25,353,099 km (0.084 R)
• M72: 25,483,997 km (0.101 R)
• M73: 25,615,195 km (0.115 R)
• M74: 26,806,143 km (0.119 R)
• M75: 27,028,595 km (0.066 R)
• M76: 27,117,756 km (0.066 R)
• M77: 27,207,066 km (0.103 R)
• M78: 27,520,323 km (0.094 R)
• M79: 27,744,720 km (0.047 R)
• M80: 28,150,430 km (0.059 R)
• M81: 28,286,115 km (0.06 R)
• M82: 28,603,412 km (0.104 R)
• M83: 29,562,484 km (0.109 R)
• M84: 30,904,377 km (0.09 R)
• M85: 31,184,424 km (0.071 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 298.4

Radius: 3.3

Gravity: 27.4 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 5.9 AU - 7.9 AU

Year: 11524 Days

Day: 19.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 39,939,947 km

• M1: 198,816 km (0.086 R)
• M2: 238,010 km (0.075 R)
• M3: 269,426 km (0.119 R)
• M4: 396,734 km (0.086 R)
• M5: 627,413 km (0.111 R)
• M6: 893,548 km (0.069 R)
• M7: 960,867 km (0.113 R)
• M8: 1,082,640 km (0.091 R)
• M9: 1,321,697 km (0.08 R)
• M10: 1,617,303 km (0.083 R)
• M11: 2,382,196 km (0.097 R)
• M12: 2,739,586 km (0.119 R)
• M13: 2,936,905 km (0.105 R)
• M14: 3,397,816 km (0.088 R)
• M15: 4,186,347 km (0.103 R)
• M16: 4,271,019 km (0.094 R)
• M17: 4,968,744 km (0.106 R)
• M18: 4,998,514 km (0.102 R)
• M19: 5,300,103 km (0.032 R)
• M20: 5,514,776 km (0.088 R)
• M21: 5,889,369 km (0.118 R)
• M22: 5,984,214 km (0.103 R)
• M23: 6,207,713 km (0.098 R)
• M24: 6,597,116 km (0.112 R)
• M25: 6,662,790 km (0.08 R)
• M26: 7,297,384 km (0.071 R)
• M27: 7,916,271 km (0.056 R)
• M28: 8,196,617 km (0.115 R)
• M29: 8,695,077 km (0.077 R)
• M30: 9,276,863 km (0.105 R)
• M31: 9,535,219 km (0.092 R)
• M32: 9,572,319 km (0.067 R)
• M33: 10,059,110 km (0.077 R)
• M34: 10,669,320 km (0.065 R)
• M35: 10,784,959 km (0.073 R)
• M36: 10,901,197 km (0.082 R)
• M37: 11,291,348 km (0.116 R)
• M38: 12,165,748 km (0.094 R)
• M39: 12,246,231 km (0.032 R)
• M40: 13,517,364 km (0.103 R)
• M41: 14,444,722 km (0.084 R)
• M42: 14,744,067 km (0.117 R)
• M43: 15,698,053 km (0.087 R)
• M44: 16,138,169 km (0.081 R)
• M45: 17,120,878 km (0.035 R)
• M46: 17,756,220 km (0.115 R)
• M47: 18,723,669 km (0.101 R)
• M48: 18,909,769 km (0.112 R)
• M49: 21,191,586 km (0.06 R)
• M50: 21,531,622 km (0.06 R)
• M51: 21,775,616 km (0.115 R)
• M52: 22,216,929 km (0.074 R)
• M53: 22,364,732 km (0.045 R)
• M54: 22,562,201 km (0.084 R)
• M55: 23,608,938 km (0.112 R)
• M56: 25,131,245 km (0.112 R)
• M57: 25,233,870 km (0.098 R)
• M58: 25,285,331 km (0.111 R)
• M59: 26,999,573 km (0.08 R)
• M60: 28,163,146 km (0.11 R)
• M61: 28,269,809 km (0.114 R)
• M62: 29,235,164 km (0.099 R)
• M63: 29,505,188 km (0.088 R)
• M64: 29,830,414 km (0.026 R)
• M65: 30,538,909 km (0.111 R)
• M66: 30,758,070 km (0.1 R)
• M67: 30,977,829 km (0.053 R)
• M68: 32,250,907 km (0.067 R)
• M69: 32,753,855 km (0.072 R)
• M70: 34,277,809 km (0.084 R)
• M71: 34,448,500 km (0.089 R)
• M72: 34,962,518 km (0.092 R)
• M73: 35,191,702 km (0.095 R)
• M74: 36,403,445 km (0.112 R)
• M75: 36,519,533 km (0.058 R)
• M76: 37,277,246 km (0.063 R)
• M77: 38,040,195 km (0.093 R)
• M78: 38,689,749 km (0.119 R)
• M79: 38,986,252 km (0.117 R)
• M80: 39,164,423 km (0.09 R)
• M81: 39,820,260 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 15,000 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit