🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.78

Radius: 1.26

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.75 AU - 0.81 AU

Year: 249 Days

Day: 17 Hours

Environment

Temp: 103 °C

Axial Tilt: 15.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 86,274,890 km

• M1: 546,182 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.09 AU - 2.39 AU

Year: 1212 Days

Day: 45.6 Hours

Environment

Temp: -73 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 3.53 AU - 5.47 AU

Year: 3452 Days

Day: 39.4 Hours

Environment

Temp: -122 °C

Axial Tilt: 22.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 11.5

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 5.08 AU - 6.16 AU

Year: 4818 Days

Day: 12.7 Hours

Environment

Temp: -148 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 86,274,890 km

• M1: 244,593 km (0.119 R)
• M2: 364,420 km (0.052 R)
• M3: 460,013 km (0.033 R)
• M4: 555,307 km (0.106 R)
• M5: 719,267 km (0.117 R)
• M6: 860,337 km (0.062 R)
• M7: 997,070 km (0.077 R)
• M8: 1,156,541 km (0.087 R)
• M9: 1,231,938 km (0.102 R)
• M10: 1,468,901 km (0.12 R)
• M11: 1,618,200 km (0.088 R)
• M12: 2,190,562 km (0.09 R)
• M13: 2,381,748 km (0.078 R)
• M14: 2,538,825 km (0.11 R)
• M15: 2,658,953 km (0.081 R)
• M16: 2,801,519 km (0.087 R)
• M17: 3,201,544 km (0.052 R)
• M18: 3,309,853 km (0.073 R)
• M19: 3,397,368 km (0.087 R)
• M20: 3,552,501 km (0.099 R)
• M21: 3,664,849 km (0.101 R)
• M22: 4,339,385 km (0.106 R)
• M23: 5,383,728 km (0.067 R)
• M24: 5,880,991 km (0.051 R)
• M25: 6,121,694 km (0.05 R)
• M26: 6,338,462 km (0.058 R)
• M27: 6,585,448 km (0.105 R)
• M28: 6,975,749 km (0.109 R)
• M29: 7,779,089 km (0.039 R)
• M30: 8,014,108 km (0.115 R)
• M31: 8,311,059 km (0.114 R)
• M32: 8,400,968 km (0.088 R)
• M33: 9,410,155 km (0.033 R)
• M34: 9,755,128 km (0.055 R)
• M35: 10,232,195 km (0.119 R)
• M36: 10,684,430 km (0.043 R)
• M37: 11,742,535 km (0.051 R)
• M38: 11,978,451 km (0.108 R)
• M39: 12,284,080 km (0.101 R)
• M40: 12,386,554 km (0.079 R)
• M41: 13,076,799 km (0.089 R)
• M42: 13,532,324 km (0.107 R)
• M43: 13,921,727 km (0.072 R)
• M44: 14,314,871 km (0.09 R)
• M45: 14,747,956 km (0.093 R)
• M46: 15,258,684 km (0.083 R)
• M47: 15,626,994 km (0.08 R)
• M48: 16,335,040 km (0.045 R)
• M49: 16,410,138 km (0.079 R)
• M50: 16,977,264 km (0.053 R)
• M51: 17,167,852 km (0.07 R)
• M52: 17,244,296 km (0.055 R)
• M53: 18,053,321 km (0.051 R)
• M54: 18,130,963 km (0.067 R)
• M55: 18,874,763 km (0.09 R)
• M56: 19,230,507 km (0.065 R)
• M57: 19,588,495 km (0.077 R)
• M58: 19,828,450 km (0.118 R)
• M59: 19,908,634 km (0.112 R)
• M60: 20,069,302 km (0.032 R)
• M61: 21,001,746 km (0.074 R)
• M62: 21,411,494 km (0.052 R)
• M63: 21,534,913 km (0.112 R)
• M64: 22,656,598 km (0.095 R)
• M65: 23,076,968 km (0.077 R)
• M66: 23,161,341 km (0.118 R)
• M67: 23,415,059 km (0.118 R)
• M68: 23,584,703 km (0.095 R)
• M69: 23,839,917 km (0.06 R)
• M70: 24,138,963 km (0.071 R)
• M71: 25,000,048 km (0.106 R)
• M72: 25,173,432 km (0.087 R)
• M73: 25,521,397 km (0.118 R)
• M74: 25,783,492 km (0.111 R)
• M75: 27,464,075 km (0.058 R)
• M76: 28,861,169 km (0.079 R)
• M77: 29,820,690 km (0.105 R)
• M78: 30,466,055 km (0.041 R)
• M79: 30,976,483 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 348.9

Radius: 8.8

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 4.35 AU - 7.13 AU

Year: 4973 Days

Day: 12.8 Hours

Environment

Temp: -136 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 86,274,890 km

• M1: 172,038 km (0.03 R)
• M2: 345,421 km (0.102 R)
• M3: 434,881 km (0.06 R)
• M4: 496,665 km (0.088 R)
• M5: 590,912 km (0.12 R)
• M6: 712,684 km (0.116 R)
• M7: 809,773 km (0.109 R)
• M8: 911,649 km (0.092 R)
• M9: 1,042,248 km (0.072 R)
• M10: 1,191,996 km (0.061 R)
• M11: 1,362,388 km (0.113 R)
• M12: 1,905,727 km (0.093 R)
• M13: 2,153,312 km (0.107 R)
• M14: 2,886,790 km (0.084 R)
• M15: 3,010,208 km (0.056 R)
• M16: 3,171,475 km (0.077 R)
• M17: 3,262,281 km (0.028 R)
• M18: 3,391,085 km (0.114 R)
• M19: 3,710,626 km (0.115 R)
• M20: 3,787,220 km (0.116 R)
• M21: 4,020,293 km (0.076 R)
• M22: 4,298,096 km (0.075 R)
• M23: 4,685,256 km (0.115 R)
• M24: 4,809,871 km (0.096 R)
• M25: 5,104,878 km (0.057 R)
• M26: 5,190,298 km (0.1 R)
• M27: 5,362,485 km (0.072 R)
• M28: 5,427,560 km (0.106 R)
• M29: 5,580,449 km (0.09 R)
• M30: 5,912,856 km (0.106 R)
• M31: 6,070,233 km (0.077 R)
• M32: 6,320,360 km (0.108 R)
• M33: 6,435,102 km (0.101 R)
• M34: 6,854,126 km (0.061 R)
• M35: 7,330,146 km (0.074 R)
• M36: 7,718,652 km (0.056 R)
• M37: 7,866,006 km (0.064 R)
• M38: 8,414,581 km (0.036 R)
• M39: 9,104,826 km (0.119 R)
• M40: 9,839,501 km (0.119 R)
• M41: 10,593,324 km (0.059 R)
• M42: 10,702,531 km (0.12 R)
• M43: 11,060,070 km (0.067 R)
• M44: 11,170,922 km (0.116 R)
• M45: 11,561,522 km (0.04 R)
• M46: 11,645,895 km (0.089 R)
• M47: 11,758,692 km (0.079 R)
• M48: 12,042,030 km (0.109 R)
• M49: 12,529,121 km (0.092 R)
• M50: 12,760,549 km (0.106 R)
• M51: 13,022,495 km (0.099 R)
• M52: 13,256,915 km (0.119 R)
• M53: 13,759,713 km (0.095 R)
• M54: 13,908,862 km (0.074 R)
• M55: 14,268,795 km (0.055 R)
• M56: 14,389,520 km (0.117 R)
• M57: 14,601,500 km (0.052 R)
• M58: 15,305,358 km (0.086 R)
• M59: 15,552,793 km (0.093 R)
• M60: 15,676,959 km (0.083 R)
• M61: 15,801,574 km (0.111 R)
• M62: 16,240,046 km (0.114 R)
• M63: 16,397,572 km (0.114 R)
• M64: 17,032,914 km (0.099 R)
• M65: 18,524,704 km (0.06 R)
• M66: 18,788,445 km (0.035 R)
• M67: 19,020,172 km (0.108 R)
• M68: 19,186,376 km (0.117 R)
• M69: 19,721,188 km (0.047 R)
• M70: 20,024,124 km (0.083 R)
• M71: 20,125,551 km (0.094 R)
• M72: 20,634,782 km (0.106 R)
• M73: 21,251,574 km (0.053 R)
• M74: 21,389,504 km (0.088 R)
• M75: 21,631,553 km (0.049 R)
• M76: 22,679,037 km (0.048 R)
• M77: 22,784,653 km (0.108 R)
• M78: 23,102,549 km (0.045 R)
• M79: 23,208,913 km (0.066 R)
• M80: 23,315,427 km (0.112 R)
• M81: 23,386,486 km (0.119 R)
• M82: 23,564,507 km (0.055 R)
• M83: 24,029,308 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.5

Radius: 14.9

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 7.06 AU - 9.82 AU

Year: 8868 Days

Day: 13.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 86,274,890 km

• M1: 199,414 km (0.056 R)
• M2: 411,245 km (0.091 R)
• M3: 536,608 km (0.104 R)
• M4: 824,284 km (0.107 R)
• M5: 981,512 km (0.047 R)
• M6: 1,092,513 km (0.117 R)
• M7: 1,282,802 km (0.105 R)
• M8: 1,631,365 km (0.077 R)
• M9: 2,173,807 km (0.059 R)
• M10: 2,612,128 km (0.075 R)
• M11: 2,913,119 km (0.063 R)
• M12: 3,332,293 km (0.044 R)
• M13: 3,615,332 km (0.027 R)
• M14: 3,771,063 km (0.107 R)
• M15: 4,089,407 km (0.091 R)
• M16: 4,275,358 km (0.09 R)
• M17: 4,392,941 km (0.1 R)
• M18: 4,728,190 km (0.068 R)
• M19: 4,972,783 km (0.119 R)
• M20: 5,654,351 km (0.054 R)
• M21: 5,757,872 km (0.045 R)
• M22: 5,888,172 km (0.069 R)
• M23: 6,311,833 km (0.059 R)
• M24: 6,554,481 km (0.032 R)
• M25: 6,800,270 km (0.091 R)
• M26: 6,910,524 km (0.101 R)
• M27: 7,442,494 km (0.099 R)
• M28: 7,584,612 km (0.093 R)
• M29: 7,900,712 km (0.111 R)
• M30: 8,309,264 km (0.065 R)
• M31: 8,456,917 km (0.099 R)
• M32: 8,665,157 km (0.062 R)
• M33: 8,814,755 km (0.113 R)
• M34: 9,238,716 km (0.079 R)
• M35: 11,032,693 km (0.087 R)
• M36: 11,162,544 km (0.083 R)
• M37: 12,422,158 km (0.027 R)
• M38: 12,863,323 km (0.106 R)
• M39: 13,034,462 km (0.032 R)
• M40: 13,171,943 km (0.077 R)
• M41: 13,378,986 km (0.076 R)
• M42: 13,621,933 km (0.1 R)
• M43: 13,831,221 km (0.102 R)
• M44: 14,288,691 km (0.039 R)
• M45: 14,643,836 km (0.035 R)
• M46: 15,146,186 km (0.084 R)
• M47: 16,167,640 km (0.05 R)
• M48: 16,389,494 km (0.055 R)
• M49: 16,761,394 km (0.102 R)
• M50: 17,324,481 km (0.079 R)
• M51: 18,085,036 km (0.052 R)
• M52: 18,276,970 km (0.1 R)
• M53: 18,508,099 km (0.092 R)
• M54: 19,051,139 km (0.104 R)
• M55: 19,363,799 km (0.07 R)
• M56: 19,915,067 km (0.119 R)
• M57: 20,591,549 km (0.058 R)
• M58: 20,912,436 km (0.043 R)
• M59: 21,235,119 km (0.113 R)
• M60: 21,681,369 km (0.065 R)
• M61: 22,212,741 km (0.068 R)
• M62: 22,707,162 km (0.044 R)
• M63: 23,455,450 km (0.071 R)
• M64: 24,338,826 km (0.068 R)
• M65: 24,550,806 km (0.084 R)
• M66: 24,976,561 km (0.077 R)
• M67: 25,490,580 km (0.09 R)
• M68: 25,921,721 km (0.117 R)
• M69: 26,224,956 km (0.114 R)
• M70: 26,355,255 km (0.116 R)
• M71: 26,529,238 km (0.098 R)
• M72: 26,791,183 km (0.1 R)
• M73: 26,966,213 km (0.1 R)
• M74: 27,980,038 km (0.084 R)
• M75: 28,826,911 km (0.108 R)
• M76: 29,908,803 km (0.05 R)
• M77: 30,409,208 km (0.088 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500

Radius: 14.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 8.3 AU - 9.22 AU

Year: 9377 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 86,274,890 km

• M1: 209,437 km (0.069 R)
• M2: 338,390 km (0.114 R)
• M3: 514,617 km (0.117 R)
• M4: 701,764 km (0.106 R)
• M5: 980,464 km (0.108 R)
• M6: 1,506,451 km (0.108 R)
• M7: 1,605,784 km (0.064 R)
• M8: 1,790,537 km (0.092 R)
• M9: 2,249,653 km (0.112 R)
• M10: 2,672,716 km (0.098 R)
• M11: 3,019,483 km (0.102 R)
• M12: 3,172,672 km (0.076 R)
• M13: 3,894,332 km (0.102 R)
• M14: 4,061,732 km (0.112 R)
• M15: 4,578,144 km (0.083 R)
• M16: 5,146,167 km (0.112 R)
• M17: 5,547,837 km (0.06 R)
• M18: 6,546,852 km (0.099 R)
• M19: 6,746,714 km (0.085 R)
• M20: 7,118,315 km (0.092 R)
• M21: 7,846,558 km (0.102 R)
• M22: 8,309,414 km (0.054 R)
• M23: 8,854,548 km (0.116 R)
• M24: 9,599,396 km (0.074 R)
• M25: 9,788,787 km (0.051 R)
• M26: 10,094,565 km (0.063 R)
• M27: 10,364,589 km (0.094 R)
• M28: 10,754,591 km (0.076 R)
• M29: 10,911,968 km (0.096 R)
• M30: 11,912,778 km (0.073 R)
• M31: 12,610,203 km (0.085 R)
• M32: 13,320,793 km (0.068 R)
• M33: 13,489,988 km (0.078 R)
• M34: 13,702,417 km (0.078 R)
• M35: 14,650,269 km (0.095 R)
• M36: 14,824,850 km (0.089 R)
• M37: 16,066,662 km (0.055 R)
• M38: 17,111,603 km (0.105 R)
• M39: 17,665,414 km (0.059 R)
• M40: 17,851,514 km (0.115 R)
• M41: 18,225,359 km (0.086 R)
• M42: 18,649,020 km (0.079 R)
• M43: 19,843,110 km (0.065 R)
• M44: 20,133,330 km (0.117 R)
• M45: 20,914,381 km (0.111 R)
• M46: 22,758,174 km (0.116 R)
• M47: 22,909,867 km (0.075 R)
• M48: 23,520,376 km (0.088 R)
• M49: 24,291,104 km (0.052 R)
• M50: 24,965,641 km (0.114 R)
• M51: 25,279,048 km (0.059 R)
• M52: 25,751,777 km (0.095 R)
• M53: 26,174,391 km (0.025 R)
• M54: 26,280,307 km (0.052 R)
• M55: 26,439,628 km (0.119 R)
• M56: 26,545,993 km (0.106 R)
• M57: 26,652,506 km (0.112 R)
• M58: 26,919,389 km (0.055 R)
• M59: 28,703,044 km (0.075 R)
• M60: 28,867,153 km (0.07 R)
• M61: 29,802,738 km (0.06 R)
• M62: 30,469,047 km (0.119 R)
• M63: 30,692,247 km (0.108 R)
• M64: 31,308,890 km (0.07 R)
• M65: 31,421,537 km (0.114 R)
• M66: 32,782,728 km (0.084 R)
• M67: 33,240,796 km (0.106 R)
• M68: 33,816,299 km (0.094 R)
• M69: 33,931,789 km (0.111 R)
• M70: 34,511,331 km (0.096 R)
• M71: 34,802,299 km (0.064 R)
• M72: 35,797,723 km (0.109 R)
• M73: 36,565,310 km (0.072 R)
• M74: 36,802,572 km (0.107 R)
• M75: 36,921,353 km (0.098 R)
• M76: 37,517,500 km (0.065 R)
• M77: 37,876,535 km (0.101 R)
• M78: 38,176,778 km (0.087 R)
• M79: 38,779,508 km (0.079 R)
• M80: 39,142,582 km (0.084 R)
• M81: 39,506,853 km (0.082 R)
• M82: 40,055,428 km (0.038 R)
• M83: 40,422,541 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.1

Radius: 7.6

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 14.96 AU - 15.54 AU

Year: 21537 Days

Day: 20 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 86,274,890 km

• M1: 520,152 km (0.075 R)
• M2: 658,829 km (0.085 R)
• M3: 1,000,810 km (0.067 R)
• M4: 1,236,576 km (0.108 R)
• M5: 1,522,607 km (0.1 R)
• M6: 1,589,029 km (0.104 R)
• M7: 1,900,192 km (0.096 R)
• M8: 2,697,998 km (0.095 R)
• M9: 4,041,087 km (0.11 R)
• M10: 4,706,050 km (0.119 R)
• M11: 5,765,951 km (0.085 R)
• M12: 5,870,669 km (0.108 R)
• M13: 6,028,794 km (0.04 R)
• M14: 7,629,940 km (0.052 R)
• M15: 7,802,726 km (0.088 R)
• M16: 8,387,953 km (0.095 R)
• M17: 9,476,876 km (0.107 R)
• M18: 9,662,676 km (0.078 R)
• M19: 10,354,117 km (0.105 R)
• M20: 10,996,640 km (0.113 R)
• M21: 11,257,240 km (0.117 R)
• M22: 11,322,614 km (0.109 R)
• M23: 13,553,268 km (0.093 R)
• M24: 13,622,980 km (0.108 R)
• M25: 13,832,717 km (0.092 R)
• M26: 14,682,283 km (0.096 R)
• M27: 14,897,405 km (0.117 R)
• M28: 15,258,085 km (0.115 R)
• M29: 17,179,969 km (0.089 R)
• M30: 19,255,041 km (0.113 R)
• M31: 21,651,749 km (0.116 R)
• M32: 23,552,090 km (0.11 R)
• M33: 24,225,430 km (0.113 R)
• M34: 24,394,775 km (0.112 R)
• M35: 25,333,203 km (0.101 R)
• M36: 26,022,998 km (0.092 R)
• M37: 27,597,815 km (0.097 R)
• M38: 29,383,266 km (0.074 R)
• M39: 33,440,958 km (0.111 R)
• M40: 33,818,543 km (0.049 R)
• M41: 34,197,475 km (0.108 R)
• M42: 34,673,046 km (0.047 R)
• M43: 34,863,933 km (0.069 R)
• M44: 35,150,862 km (0.081 R)
• M45: 36,306,506 km (0.074 R)
• M46: 38,655,043 km (0.111 R)
• M47: 38,753,927 km (0.099 R)
• M48: 38,951,994 km (0.096 R)
• M49: 40,147,581 km (0.071 R)
• M50: 40,247,662 km (0.087 R)
• M51: 41,052,049 km (0.092 R)
• M52: 42,370,455 km (0.089 R)
• M53: 42,881,332 km (0.069 R)
• M54: 43,496,927 km (0.113 R)
• M55: 44,425,930 km (0.111 R)
• M56: 46,408,401 km (0.073 R)
• M57: 46,724,053 km (0.043 R)
• M58: 48,419,445 km (0.028 R)
• M59: 48,739,585 km (0.067 R)
• M60: 49,167,584 km (0.115 R)
• M61: 49,704,341 km (0.075 R)
• M62: 51,543,647 km (0.058 R)
• M63: 53,405,093 km (0.065 R)
• M64: 55,846,531 km (0.107 R)
• M65: 57,419,104 km (0.092 R)
• M66: 58,210,775 km (0.108 R)
• M67: 60,148,517 km (0.117 R)
• M68: 61,529,006 km (0.098 R)
• M69: 61,644,645 km (0.117 R)
• M70: 61,875,774 km (0.112 R)
• M71: 62,687,492 km (0.035 R)
• M72: 66,323,917 km (0.041 R)
• M73: 67,511,574 km (0.109 R)
• M74: 69,546,554 km (0.037 R)
• M75: 70,148,985 km (0.083 R)
• M76: 70,632,036 km (0.098 R)
• M77: 70,753,061 km (0.111 R)
• M78: 70,874,086 km (0.096 R)
• M79: 72,697,684 km (0.055 R)
• M80: 73,186,569 km (0.071 R)
• M81: 74,413,721 km (0.089 R)
• M82: 75,647,454 km (0.067 R)
• M83: 76,266,939 km (0.101 R)
• M84: 76,763,754 km (0.086 R)
• M85: 78,260,480 km (0.065 R)
• M86: 78,761,484 km (0.11 R)
• M87: 80,776,417 km (0.101 R)
• M88: 81,536,375 km (0.078 R)
• M89: 84,728,344 km (0.106 R)
• M90: 86,274,887 km (0.116 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 225 - 18,113 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit