🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.48 AU - 0.62 AU

Year: 142 Days

Day: 42.2 Hours

Environment

Temp: 243 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.35

Radius: 1.41

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.61 AU - 0.69 AU

Year: 183 Days

Day: 15.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 36.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 0.99 AU - 1.03 AU

Year: 353 Days

Day: 35.3 Hours

Environment

Temp: 126 °C

Axial Tilt: 3.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 67,430,169 km

• M1: 186,100 km (0.114 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.92

Radius: 1.54

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.04 AU - 2.12 AU

Year: 1045 Days

Day: 28.6 Hours

Environment

Temp: -54 °C

Axial Tilt: 13.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.9

Radius: 14.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 7.28 AU - 7.98 AU

Year: 7340 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 67,430,169 km

• M1: 187,147 km (0.064 R)
• M2: 313,258 km (0.072 R)
• M3: 943,663 km (0.108 R)
• M4: 1,145,920 km (0.075 R)
• M5: 1,266,645 km (0.075 R)
• M6: 1,363,585 km (0.098 R)
• M7: 1,640,490 km (0.12 R)
• M8: 1,778,270 km (0.077 R)
• M9: 2,266,557 km (0.118 R)
• M10: 2,544,211 km (0.105 R)
• M11: 2,888,585 km (0.098 R)
• M12: 3,075,882 km (0.099 R)
• M13: 3,423,697 km (0.117 R)
• M14: 3,522,581 km (0.088 R)
• M15: 3,642,559 km (0.081 R)
• M16: 3,743,537 km (0.071 R)
• M17: 4,073,400 km (0.071 R)
• M18: 4,327,118 km (0.077 R)
• M19: 4,894,842 km (0.034 R)
• M20: 5,096,799 km (0.11 R)
• M21: 5,278,860 km (0.06 R)
• M22: 5,393,751 km (0.118 R)
• M23: 5,719,875 km (0.105 R)
• M24: 5,909,116 km (0.104 R)
• M25: 6,391,569 km (0.041 R)
• M26: 6,489,556 km (0.109 R)
• M27: 6,736,841 km (0.107 R)
• M28: 7,139,110 km (0.036 R)
• M29: 7,914,475 km (0.056 R)
• M30: 8,099,229 km (0.096 R)
• M31: 8,581,083 km (0.086 R)
• M32: 9,349,269 km (0.11 R)
• M33: 10,168,167 km (0.089 R)
• M34: 10,311,781 km (0.043 R)
• M35: 10,629,976 km (0.096 R)
• M36: 11,039,575 km (0.062 R)
• M37: 11,514,099 km (0.104 R)
• M38: 11,633,927 km (0.116 R)
• M39: 11,874,481 km (0.106 R)
• M40: 12,360,823 km (0.109 R)
• M41: 12,791,665 km (0.029 R)
• M42: 13,071,264 km (0.096 R)
• M43: 14,242,016 km (0.086 R)
• M44: 14,338,507 km (0.104 R)
• M45: 14,434,998 km (0.083 R)
• M46: 14,564,250 km (0.09 R)
• M47: 14,823,803 km (0.048 R)
• M48: 15,052,089 km (0.03 R)
• M49: 15,744,129 km (0.109 R)
• M50: 16,278,343 km (0.114 R)
• M51: 16,547,768 km (0.069 R)
• M52: 16,954,675 km (0.088 R)
• M53: 17,056,850 km (0.115 R)
• M54: 17,605,575 km (0.064 R)
• M55: 17,986,152 km (0.077 R)
• M56: 18,369,571 km (0.089 R)
• M57: 19,357,665 km (0.115 R)
• M58: 19,500,082 km (0.089 R)
• M59: 20,146,046 km (0.086 R)
• M60: 20,326,760 km (0.027 R)
• M61: 20,544,126 km (0.104 R)
• M62: 21,348,364 km (0.062 R)
• M63: 21,643,371 km (0.113 R)
• M64: 21,828,424 km (0.094 R)
• M65: 22,200,174 km (0.082 R)
• M66: 22,686,517 km (0.111 R)
• M67: 22,836,863 km (0.078 R)
• M68: 23,441,538 km (0.032 R)
• M69: 23,555,531 km (0.049 R)
• M70: 23,784,117 km (0.108 R)
• M71: 24,089,895 km (0.09 R)
• M72: 24,358,572 km (0.039 R)
• M73: 24,744,236 km (0.118 R)
• M74: 25,248,530 km (0.084 R)
• M75: 25,365,366 km (0.032 R)
• M76: 25,482,352 km (0.092 R)
• M77: 26,504,255 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 14.5

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.69 AU - 8.03 AU

Year: 7674 Days

Day: 5.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 67,430,169 km

• M1: 221,704 km (0.087 R)
• M2: 498,610 km (0.04 R)
• M3: 978,669 km (0.055 R)
• M4: 1,150,707 km (0.034 R)
• M5: 1,333,515 km (0.05 R)
• M6: 1,428,809 km (0.117 R)
• M7: 1,963,023 km (0.101 R)
• M8: 2,275,832 km (0.089 R)
• M9: 2,462,082 km (0.095 R)
• M10: 2,629,332 km (0.092 R)
• M11: 2,800,472 km (0.105 R)
• M12: 3,025,916 km (0.062 R)
• M13: 3,153,972 km (0.082 R)
• M14: 3,442,097 km (0.099 R)
• M15: 3,602,915 km (0.034 R)
• M16: 3,821,328 km (0.107 R)
• M17: 3,987,980 km (0.087 R)
• M18: 4,300,191 km (0.111 R)
• M19: 4,502,896 km (0.111 R)
• M20: 5,439,229 km (0.064 R)
• M21: 5,881,739 km (0.083 R)
• M22: 6,434,803 km (0.055 R)
• M23: 7,382,206 km (0.09 R)
• M24: 7,661,057 km (0.115 R)
• M25: 7,943,348 km (0.11 R)
• M26: 8,193,176 km (0.116 R)
• M27: 8,481,900 km (0.081 R)
• M28: 9,556,611 km (0.111 R)
• M29: 9,708,303 km (0.082 R)
• M30: 10,674,107 km (0.092 R)
• M31: 12,036,645 km (0.111 R)
• M32: 12,738,408 km (0.099 R)
• M33: 13,538,607 km (0.049 R)
• M34: 14,181,729 km (0.105 R)
• M35: 15,320,168 km (0.043 R)
• M36: 15,765,970 km (0.113 R)
• M37: 16,125,603 km (0.109 R)
• M38: 16,715,916 km (0.097 R)
• M39: 16,898,875 km (0.12 R)
• M40: 17,313,261 km (0.08 R)
• M41: 17,452,088 km (0.102 R)
• M42: 17,544,838 km (0.106 R)
• M43: 17,684,263 km (0.053 R)
• M44: 18,765,856 km (0.067 R)
• M45: 19,530,900 km (0.078 R)
• M46: 19,772,051 km (0.068 R)
• M47: 19,965,781 km (0.099 R)
• M48: 20,795,899 km (0.093 R)
• M49: 21,637,238 km (0.08 R)
• M50: 22,087,228 km (0.105 R)
• M51: 22,237,873 km (0.088 R)
• M52: 22,590,774 km (0.05 R)
• M53: 22,742,616 km (0.111 R)
• M54: 23,251,099 km (0.098 R)
• M55: 23,712,010 km (0.1 R)
• M56: 23,814,784 km (0.032 R)
• M57: 24,020,930 km (0.117 R)
• M58: 24,383,107 km (0.109 R)
• M59: 24,590,898 km (0.106 R)
• M60: 24,851,348 km (0.084 R)
• M61: 25,060,486 km (0.088 R)
• M62: 25,217,563 km (0.051 R)
• M63: 26,008,487 km (0.069 R)
• M64: 27,290,840 km (0.038 R)
• M65: 29,142,712 km (0.081 R)
• M66: 29,473,623 km (0.067 R)
• M67: 29,639,677 km (0.116 R)
• M68: 30,418,333 km (0.087 R)
• M69: 30,754,031 km (0.092 R)
• M70: 31,655,358 km (0.11 R)
• M71: 32,223,232 km (0.106 R)
• M72: 33,196,216 km (0.109 R)
• M73: 34,178,775 km (0.065 R)
• M74: 35,112,415 km (0.063 R)
• M75: 35,759,127 km (0.109 R)
• M76: 35,877,160 km (0.109 R)
• M77: 37,124,058 km (0.075 R)
• M78: 37,963,152 km (0.064 R)
• M79: 38,505,894 km (0.111 R)
• M80: 38,626,918 km (0.097 R)
• M81: 38,929,854 km (0.063 R)
• M82: 40,027,005 km (0.109 R)
• M83: 40,456,500 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.7

Radius: 9.1

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 10.26 AU - 10.46 AU

Year: 11613 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 67,430,169 km

• M1: 244,443 km (0.112 R)
• M2: 328,966 km (0.096 R)
• M3: 426,504 km (0.098 R)
• M4: 514,766 km (0.12 R)
• M5: 723,605 km (0.093 R)
• M6: 1,039,406 km (0.105 R)
• M7: 1,441,675 km (0.089 R)
• M8: 1,580,950 km (0.1 R)
• M9: 1,724,714 km (0.053 R)
• M10: 2,111,873 km (0.081 R)
• M11: 2,619,309 km (0.074 R)
• M12: 2,713,855 km (0.096 R)
• M13: 3,024,271 km (0.12 R)
• M14: 3,284,870 km (0.105 R)
• M15: 3,742,490 km (0.096 R)
• M16: 4,176,025 km (0.103 R)
• M17: 4,264,587 km (0.102 R)
• M18: 4,466,394 km (0.085 R)
• M19: 4,579,789 km (0.116 R)
• M20: 5,161,575 km (0.095 R)
• M21: 5,668,114 km (0.096 R)
• M22: 5,964,766 km (0.072 R)
• M23: 6,039,864 km (0.03 R)
• M24: 6,470,557 km (0.073 R)
• M25: 6,702,733 km (0.108 R)
• M26: 6,858,913 km (0.042 R)
• M27: 7,122,055 km (0.087 R)
• M28: 7,577,132 km (0.052 R)
• M29: 7,685,441 km (0.065 R)
• M30: 8,013,958 km (0.117 R)
• M31: 9,228,244 km (0.053 R)
• M32: 9,577,256 km (0.028 R)
• M33: 10,198,536 km (0.087 R)
• M34: 11,573,340 km (0.112 R)
• M35: 12,044,573 km (0.095 R)
• M36: 12,139,568 km (0.112 R)
• M37: 12,330,305 km (0.104 R)
• M38: 12,457,912 km (0.068 R)
• M39: 13,659,931 km (0.078 R)
• M40: 14,191,153 km (0.11 R)
• M41: 15,755,797 km (0.044 R)
• M42: 16,207,882 km (0.1 R)
• M43: 16,558,540 km (0.03 R)
• M44: 17,089,163 km (0.067 R)
• M45: 17,231,580 km (0.109 R)
• M46: 17,338,692 km (0.031 R)
• M47: 17,769,385 km (0.062 R)
• M48: 17,986,002 km (0.119 R)
• M49: 18,130,813 km (0.092 R)
• M50: 18,751,046 km (0.08 R)
• M51: 19,341,210 km (0.117 R)
• M52: 19,675,860 km (0.106 R)
• M53: 20,426,243 km (0.114 R)
• M54: 20,957,166 km (0.086 R)
• M55: 21,377,386 km (0.065 R)
• M56: 22,576,862 km (0.115 R)
• M57: 23,599,662 km (0.107 R)
• M58: 24,276,593 km (0.115 R)
• M59: 24,597,331 km (0.097 R)
• M60: 25,000,198 km (0.095 R)
• M61: 25,649,453 km (0.09 R)
• M62: 26,017,014 km (0.116 R)
• M63: 26,098,994 km (0.051 R)
• M64: 26,386,372 km (0.091 R)
• M65: 26,840,252 km (0.069 R)
• M66: 27,171,910 km (0.06 R)
• M67: 27,881,154 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 401

Radius: 11.3

Gravity: 3.14 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.84 AU - 14.08 AU

Year: 13510 Days

Day: 12.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 67,430,169 km

• M1: 142,118 km (0.093 R)
• M2: 221,405 km (0.058 R)
• M3: 369,507 km (0.107 R)
• M4: 446,849 km (0.101 R)
• M5: 606,919 km (0.075 R)
• M6: 987,944 km (0.075 R)
• M7: 1,124,228 km (0.099 R)
• M8: 1,266,944 km (0.045 R)
• M9: 1,662,631 km (0.12 R)
• M10: 1,826,889 km (0.096 R)
• M11: 2,430,816 km (0.066 R)
• M12: 2,979,242 km (0.082 R)
• M13: 3,505,228 km (0.092 R)
• M14: 4,283,585 km (0.092 R)
• M15: 4,675,981 km (0.119 R)
• M16: 5,495,328 km (0.111 R)
• M17: 5,636,100 km (0.097 R)
• M18: 6,029,841 km (0.081 R)
• M19: 6,175,251 km (0.068 R)
• M20: 6,285,205 km (0.1 R)
• M21: 6,506,759 km (0.087 R)
• M22: 8,129,447 km (0.098 R)
• M23: 9,785,197 km (0.046 R)
• M24: 10,388,675 km (0.046 R)
• M25: 10,475,890 km (0.094 R)
• M26: 10,651,069 km (0.077 R)
• M27: 10,739,033 km (0.064 R)
• M28: 11,496,447 km (0.108 R)
• M29: 12,133,135 km (0.046 R)
• M30: 13,015,464 km (0.108 R)
• M31: 13,774,673 km (0.115 R)
• M32: 14,353,317 km (0.119 R)
• M33: 15,935,464 km (0.028 R)
• M34: 16,339,528 km (0.053 R)
• M35: 18,146,970 km (0.083 R)
• M36: 18,357,604 km (0.096 R)
• M37: 20,672,481 km (0.106 R)
• M38: 21,223,899 km (0.106 R)
• M39: 21,334,751 km (0.055 R)
• M40: 21,724,304 km (0.108 R)
• M41: 21,947,952 km (0.102 R)
• M42: 22,454,042 km (0.103 R)
• M43: 22,566,988 km (0.102 R)
• M44: 22,680,084 km (0.111 R)
• M45: 23,477,591 km (0.111 R)
• M46: 23,764,669 km (0.064 R)
• M47: 24,400,310 km (0.084 R)
• M48: 25,393,491 km (0.117 R)
• M49: 25,629,257 km (0.056 R)
• M50: 26,280,905 km (0.086 R)
• M51: 27,058,216 km (0.091 R)
• M52: 27,600,807 km (0.093 R)
• M53: 28,635,426 km (0.104 R)
• M54: 29,126,705 km (0.104 R)
• M55: 29,249,974 km (0.062 R)
• M56: 30,931,005 km (0.083 R)
• M57: 31,561,411 km (0.108 R)
• M58: 31,814,830 km (0.031 R)
• M59: 33,672,087 km (0.111 R)
• M60: 34,516,118 km (0.098 R)
• M61: 36,689,476 km (0.085 R)
• M62: 37,223,092 km (0.11 R)
• M63: 37,624,912 km (0.097 R)
• M64: 37,759,251 km (0.089 R)
• M65: 37,893,589 km (0.108 R)
• M66: 38,163,015 km (0.098 R)
• M67: 39,587,486 km (0.074 R)
• M68: 39,792,435 km (0.077 R)
• M69: 41,513,708 km (0.11 R)
• M70: 41,652,535 km (0.04 R)
• M71: 44,105,641 km (0.051 R)
• M72: 44,318,070 km (0.049 R)
• M73: 45,886,454 km (0.047 R)
• M74: 46,245,489 km (0.106 R)
• M75: 46,677,528 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 393.4

Radius: 5.1

Gravity: 15.12 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 12.09 AU - 19.65 AU

Year: 22017 Days

Day: 23.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (99)

Outer Limit: 67,430,169 km

• M1: 65,524 km (0.051 R)
• M2: 163,211 km (0.092 R)
• M3: 283,189 km (0.087 R)
• M4: 345,870 km (0.111 R)
• M5: 431,141 km (0.094 R)
• M6: 885,470 km (0.051 R)
• M7: 932,294 km (0.028 R)
• M8: 1,004,400 km (0.09 R)
• M9: 1,364,931 km (0.106 R)
• M10: 1,587,832 km (0.04 R)
• M11: 2,004,911 km (0.049 R)
• M12: 2,193,703 km (0.072 R)
• M13: 2,225,717 km (0.095 R)
• M14: 2,487,663 km (0.09 R)
• M15: 2,521,173 km (0.119 R)
• M16: 2,898,908 km (0.116 R)
• M17: 2,934,063 km (0.105 R)
• M18: 3,184,639 km (0.119 R)
• M19: 3,330,946 km (0.086 R)
• M20: 3,442,097 km (0.079 R)
• M21: 5,775,375 km (0.037 R)
• M22: 5,908,966 km (0.119 R)
• M23: 6,179,439 km (0.067 R)
• M24: 6,224,917 km (0.118 R)
• M25: 6,270,544 km (0.025 R)
• M26: 6,316,321 km (0.118 R)
• M27: 6,362,098 km (0.11 R)
• M28: 6,408,025 km (0.098 R)
• M29: 8,585,571 km (0.081 R)
• M30: 8,789,174 km (0.094 R)
• M31: 9,884,679 km (0.11 R)
• M32: 11,355,077 km (0.085 R)
• M33: 12,315,346 km (0.066 R)
• M34: 13,125,568 km (0.111 R)
• M35: 13,537,111 km (0.118 R)
• M36: 14,796,875 km (0.084 R)
• M37: 14,857,761 km (0.113 R)
• M38: 15,409,927 km (0.081 R)
• M39: 16,344,914 km (0.06 R)
• M40: 17,042,189 km (0.067 R)
• M41: 17,233,974 km (0.112 R)
• M42: 17,362,329 km (0.118 R)
• M43: 17,490,833 km (0.097 R)
• M44: 19,125,190 km (0.085 R)
• M45: 19,725,227 km (0.113 R)
• M46: 19,926,736 km (0.057 R)
• M47: 20,467,233 km (0.105 R)
• M48: 22,887,876 km (0.1 R)
• M49: 23,881,206 km (0.096 R)
• M50: 24,816,043 km (0.094 R)
• M51: 24,961,003 km (0.042 R)
• M52: 25,983,056 km (0.094 R)
• M53: 26,573,219 km (0.069 R)
• M54: 26,647,270 km (0.028 R)
• M55: 27,541,716 km (0.085 R)
• M56: 27,616,665 km (0.035 R)
• M57: 28,370,189 km (0.079 R)
• M58: 28,445,886 km (0.061 R)
• M59: 28,749,420 km (0.1 R)
• M60: 29,743,348 km (0.041 R)
• M61: 30,748,496 km (0.11 R)
• M62: 31,607,786 km (0.089 R)
• M63: 31,922,091 km (0.075 R)
• M64: 32,712,716 km (0.089 R)
• M65: 32,792,152 km (0.116 R)
• M66: 32,871,589 km (0.116 R)
• M67: 34,717,028 km (0.103 R)
• M68: 34,879,043 km (0.039 R)
• M69: 37,339,928 km (0.092 R)
• M70: 37,422,955 km (0.109 R)
• M71: 38,759,163 km (0.102 R)
• M72: 39,686,819 km (0.064 R)
• M73: 40,195,901 km (0.093 R)
• M74: 40,536,385 km (0.048 R)
• M75: 43,557,066 km (0.065 R)
• M76: 45,227,027 km (0.114 R)
• M77: 45,758,697 km (0.086 R)
• M78: 46,917,782 km (0.073 R)
• M79: 47,007,391 km (0.11 R)
• M80: 47,276,368 km (0.092 R)
• M81: 47,366,127 km (0.072 R)
• M82: 51,095,901 km (0.108 R)
• M83: 51,280,355 km (0.086 R)
• M84: 52,205,319 km (0.044 R)
• M85: 53,135,817 km (0.117 R)
• M86: 53,509,662 km (0.057 R)
• M87: 54,353,694 km (0.09 R)
• M88: 55,107,816 km (0.112 R)
• M89: 56,816,972 km (0.115 R)
• M90: 58,062,075 km (0.111 R)
• M91: 58,447,140 km (0.093 R)
• M92: 60,189,806 km (0.063 R)
• M93: 60,676,896 km (0.1 R)
• M94: 63,033,212 km (0.097 R)
• M95: 63,626,966 km (0.028 R)
• M96: 65,519,379 km (0.088 R)
• M97: 66,120,763 km (0.114 R)
• M98: 66,824,770 km (0.089 R)
• M99: 67,228,236 km (0.074 R)

Kuiper Belt

Range: 31.5 - 56.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 17,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit