🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.47 AU - 0.65 AU

Year: 158 Days

Day: 22.1 Hours

Environment

Temp: 195 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.54

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.33 AU - 1.59 AU

Year: 665 Days

Day: 25.1 Hours

Environment

Temp: -47 °C

Axial Tilt: 23.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,952,863 km

• M1: 649,704 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 1.44 AU - 1.72 AU

Year: 748 Days

Day: 29.1 Hours

Environment

Temp: -45 °C

Axial Tilt: 46.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 95,952,863 km

• M1: 136,732 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 3.08 AU - 3.6 AU

Year: 2300 Days

Day: 25.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 2.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 9.3

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.14 AU - 6.98 AU

Year: 5620 Days

Day: 8.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (48)

Outer Limit: 95,952,863 km

• M1: 118,930 km (0.118 R)
• M2: 231,278 km (0.105 R)
• M3: 390,450 km (0.113 R)
• M4: 465,848 km (0.106 R)
• M5: 555,606 km (0.118 R)
• M6: 783,294 km (0.075 R)
• M7: 872,604 km (0.05 R)
• M8: 944,711 km (0.094 R)
• M9: 1,265,448 km (0.073 R)
• M10: 1,420,282 km (0.119 R)
• M11: 1,881,492 km (0.115 R)
• M12: 2,017,626 km (0.12 R)
• M13: 2,504,867 km (0.07 R)
• M14: 2,609,735 km (0.026 R)
• M15: 2,700,840 km (0.043 R)
• M16: 3,155,917 km (0.113 R)
• M17: 3,318,530 km (0.117 R)
• M18: 3,550,855 km (0.112 R)
• M19: 4,013,860 km (0.114 R)
• M20: 4,136,980 km (0.05 R)
• M21: 4,405,208 km (0.097 R)
• M22: 5,015,269 km (0.105 R)
• M23: 5,282,151 km (0.11 R)
• M24: 5,417,388 km (0.061 R)
• M25: 6,768,705 km (0.094 R)
• M26: 6,936,704 km (0.079 R)
• M27: 7,170,076 km (0.113 R)
• M28: 7,298,581 km (0.083 R)
• M29: 7,974,015 km (0.117 R)
• M30: 8,852,155 km (0.117 R)
• M31: 9,128,462 km (0.101 R)
• M32: 10,479,630 km (0.09 R)
• M33: 10,625,488 km (0.068 R)
• M34: 11,190,968 km (0.054 R)
• M35: 12,479,305 km (0.111 R)
• M36: 12,685,600 km (0.088 R)
• M37: 12,893,092 km (0.105 R)
• M38: 12,971,183 km (0.095 R)
• M39: 13,390,356 km (0.107 R)
• M40: 14,134,605 km (0.11 R)
• M41: 15,969,573 km (0.058 R)
• M42: 17,100,383 km (0.078 R)
• M43: 17,214,825 km (0.079 R)
• M44: 17,878,142 km (0.114 R)
• M45: 18,520,516 km (0.115 R)
• M46: 18,755,983 km (0.095 R)
• M47: 18,962,876 km (0.094 R)
• M48: 19,528,057 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.7

Radius: 14.9

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 8.11 AU - 8.67 AU

Year: 9155 Days

Day: 6.4 Hours

Environment

Temp: -178 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 95,952,863 km

• M1: 215,571 km (0.107 R)
• M2: 342,878 km (0.119 R)
• M3: 630,854 km (0.111 R)
• M4: 903,571 km (0.099 R)
• M5: 1,386,772 km (0.108 R)
• M6: 1,525,001 km (0.118 R)
• M7: 1,647,372 km (0.101 R)
• M8: 2,217,040 km (0.096 R)
• M9: 2,845,950 km (0.084 R)
• M10: 2,998,989 km (0.072 R)
• M11: 3,501,787 km (0.107 R)
• M12: 3,638,669 km (0.081 R)
• M13: 4,438,270 km (0.115 R)
• M14: 4,586,820 km (0.077 R)
• M15: 4,737,017 km (0.112 R)
• M16: 5,480,967 km (0.062 R)
• M17: 5,608,574 km (0.036 R)
• M18: 5,899,392 km (0.074 R)
• M19: 6,063,052 km (0.071 R)
• M20: 6,294,779 km (0.045 R)
• M21: 6,395,159 km (0.074 R)
• M22: 6,529,648 km (0.049 R)
• M23: 7,042,469 km (0.113 R)
• M24: 7,675,268 km (0.119 R)
• M25: 8,658,575 km (0.074 R)
• M26: 8,920,072 km (0.112 R)
• M27: 9,108,416 km (0.092 R)
• M28: 9,260,108 km (0.117 R)
• M29: 9,953,046 km (0.088 R)
• M30: 10,187,765 km (0.058 R)
• M31: 10,983,476 km (0.101 R)
• M32: 11,266,664 km (0.03 R)
• M33: 11,799,233 km (0.077 R)
• M34: 12,340,029 km (0.105 R)
• M35: 12,846,418 km (0.101 R)
• M36: 13,059,445 km (0.053 R)
• M37: 13,230,735 km (0.103 R)
• M38: 13,489,090 km (0.049 R)
• M39: 13,792,475 km (0.084 R)
• M40: 14,274,030 km (0.114 R)
• M41: 14,850,281 km (0.043 R)
• M42: 15,388,983 km (0.068 R)
• M43: 15,706,131 km (0.098 R)
• M44: 16,347,008 km (0.116 R)
• M45: 16,531,761 km (0.087 R)
• M46: 16,670,738 km (0.1 R)
• M47: 17,090,061 km (0.061 R)
• M48: 17,183,709 km (0.1 R)
• M49: 17,654,643 km (0.112 R)
• M50: 18,705,419 km (0.116 R)
• M51: 19,141,197 km (0.119 R)
• M52: 20,319,580 km (0.089 R)
• M53: 20,568,062 km (0.1 R)
• M54: 20,867,557 km (0.065 R)
• M55: 21,319,492 km (0.072 R)
• M56: 22,131,060 km (0.117 R)
• M57: 22,437,885 km (0.099 R)
• M58: 22,849,429 km (0.107 R)
• M59: 24,151,230 km (0.108 R)
• M60: 24,309,056 km (0.082 R)
• M61: 24,678,712 km (0.084 R)
• M62: 25,852,606 km (0.088 R)
• M63: 26,500,515 km (0.081 R)
• M64: 27,153,809 km (0.101 R)
• M65: 28,921,906 km (0.097 R)
• M66: 30,329,024 km (0.083 R)
• M67: 30,442,568 km (0.113 R)
• M68: 31,931,516 km (0.048 R)
• M69: 32,104,750 km (0.12 R)
• M70: 32,452,416 km (0.076 R)
• M71: 32,626,548 km (0.084 R)
• M72: 33,385,308 km (0.082 R)
• M73: 35,218,032 km (0.061 R)
• M74: 36,840,720 km (0.089 R)
• M75: 37,691,782 km (0.113 R)
• M76: 39,103,986 km (0.081 R)
• M77: 39,537,221 km (0.102 R)
• M78: 41,348,851 km (0.09 R)
• M79: 41,727,184 km (0.062 R)
• M80: 41,916,725 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 615

Radius: 12.5

Gravity: 3.94 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 9.19 AU - 10.89 AU

Year: 11985 Days

Day: 8.1 Hours

Environment

Temp: -176 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 95,952,863 km

• M1: 386,262 km (0.09 R)
• M2: 919,877 km (0.093 R)
• M3: 1,037,461 km (0.057 R)
• M4: 1,310,477 km (0.087 R)
• M5: 1,654,552 km (0.059 R)
• M6: 1,751,342 km (0.081 R)
• M7: 2,131,321 km (0.065 R)
• M8: 2,290,792 km (0.072 R)
• M9: 2,793,142 km (0.056 R)
• M10: 3,360,567 km (0.117 R)
• M11: 4,061,881 km (0.081 R)
• M12: 4,361,825 km (0.097 R)
• M13: 4,669,099 km (0.113 R)
• M14: 5,855,859 km (0.108 R)
• M15: 6,081,303 km (0.071 R)
• M16: 6,972,308 km (0.099 R)
• M17: 7,131,330 km (0.081 R)
• M18: 8,660,071 km (0.037 R)
• M19: 9,003,697 km (0.079 R)
• M20: 9,264,297 km (0.1 R)
• M21: 9,927,016 km (0.066 R)
• M22: 10,377,155 km (0.085 R)
• M23: 10,468,111 km (0.062 R)
• M24: 10,650,620 km (0.063 R)
• M25: 10,742,174 km (0.12 R)
• M26: 10,972,555 km (0.039 R)
• M27: 11,204,581 km (0.114 R)
• M28: 11,626,148 km (0.112 R)
• M29: 11,720,544 km (0.068 R)
• M30: 11,910,085 km (0.066 R)
• M31: 12,971,033 km (0.064 R)
• M32: 13,463,360 km (0.119 R)
• M33: 14,062,050 km (0.072 R)
• M34: 15,234,000 km (0.114 R)
• M35: 15,649,134 km (0.047 R)
• M36: 15,857,973 km (0.1 R)
• M37: 16,437,216 km (0.068 R)
• M38: 16,543,281 km (0.103 R)
• M39: 16,756,158 km (0.082 R)
• M40: 17,997,521 km (0.045 R)
• M41: 18,106,877 km (0.118 R)
• M42: 18,436,142 km (0.102 R)
• M43: 19,100,955 km (0.059 R)
• M44: 20,169,383 km (0.118 R)
• M45: 20,568,062 km (0.115 R)
• M46: 20,796,946 km (0.04 R)
• M47: 20,911,688 km (0.026 R)
• M48: 21,546,731 km (0.073 R)
• M49: 21,662,968 km (0.108 R)
• M50: 22,599,601 km (0.073 R)
• M51: 23,430,168 km (0.108 R)
• M52: 23,849,192 km (0.116 R)
• M53: 24,512,658 km (0.106 R)
• M54: 25,182,109 km (0.097 R)
• M55: 25,611,305 km (0.066 R)
• M56: 25,919,327 km (0.091 R)
• M57: 26,477,028 km (0.093 R)
• M58: 26,788,491 km (0.093 R)
• M59: 28,682,849 km (0.107 R)
• M60: 28,810,755 km (0.064 R)
• M61: 30,424,617 km (0.08 R)
• M62: 30,750,890 km (0.104 R)
• M63: 32,001,378 km (0.119 R)
• M64: 32,133,922 km (0.091 R)
• M65: 33,000,243 km (0.083 R)
• M66: 33,469,980 km (0.031 R)
• M67: 34,077,049 km (0.055 R)
• M68: 34,483,955 km (0.096 R)
• M69: 37,515,855 km (0.072 R)
• M70: 38,216,870 km (0.099 R)
• M71: 39,845,393 km (0.109 R)
• M72: 39,988,109 km (0.109 R)
• M73: 41,135,674 km (0.083 R)
• M74: 41,351,993 km (0.074 R)
• M75: 42,294,011 km (0.099 R)
• M76: 42,658,282 km (0.086 R)
• M77: 44,346,942 km (0.103 R)
• M78: 44,865,299 km (0.099 R)
• M79: 45,088,050 km (0.094 R)
• M80: 45,385,600 km (0.118 R)
• M81: 45,534,600 km (0.115 R)
• M82: 45,683,749 km (0.117 R)
• M83: 45,982,646 km (0.113 R)
• M84: 49,312,993 km (0.108 R)
• M85: 49,466,182 km (0.042 R)
• M86: 50,543,137 km (0.101 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365

Radius: 7.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.55 AU - 13.39 AU

Year: 15602 Days

Day: 19.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 95,952,863 km

• M1: 94,995 km (0.06 R)
• M2: 208,988 km (0.065 R)
• M3: 434,881 km (0.09 R)
• M4: 712,086 km (0.095 R)
• M5: 1,208,152 km (0.099 R)
• M6: 1,386,323 km (0.039 R)
• M7: 1,525,749 km (0.079 R)
• M8: 2,023,012 km (0.07 R)
• M9: 2,101,700 km (0.114 R)
• M10: 2,944,535 km (0.088 R)
• M11: 3,216,055 km (0.063 R)
• M12: 3,495,653 km (0.106 R)
• M13: 4,655,785 km (0.117 R)
• M14: 4,830,515 km (0.113 R)
• M15: 4,936,431 km (0.094 R)
• M16: 5,043,243 km (0.081 R)
• M17: 5,186,708 km (0.05 R)
• M18: 6,151,764 km (0.099 R)
• M19: 6,812,388 km (0.057 R)
• M20: 7,741,690 km (0.085 R)
• M21: 7,948,883 km (0.11 R)
• M22: 8,074,246 km (0.097 R)
• M23: 10,301,459 km (0.102 R)
• M24: 10,438,042 km (0.098 R)
• M25: 11,037,032 km (0.054 R)
• M26: 11,505,273 km (0.069 R)
• M27: 12,075,839 km (0.119 R)
• M28: 12,948,892 km (0.097 R)
• M29: 13,145,614 km (0.102 R)
• M30: 13,492,382 km (0.11 R)
• M31: 13,542,198 km (0.092 R)
• M32: 13,842,141 km (0.117 R)
• M33: 14,194,893 km (0.108 R)
• M34: 14,346,885 km (0.119 R)
• M35: 14,806,449 km (0.115 R)
• M36: 14,857,761 km (0.107 R)
• M37: 14,909,223 km (0.085 R)
• M38: 15,687,581 km (0.096 R)
• M39: 15,739,940 km (0.103 R)
• M40: 16,055,292 km (0.046 R)
• M41: 16,479,103 km (0.085 R)
• M42: 16,745,686 km (0.114 R)
• M43: 17,554,413 km (0.111 R)
• M44: 17,717,773 km (0.109 R)
• M45: 18,431,056 km (0.114 R)
• M46: 18,597,110 km (0.076 R)
• M47: 19,378,011 km (0.11 R)
• M48: 20,741,745 km (0.025 R)
• M49: 21,493,175 km (0.067 R)
• M50: 22,844,492 km (0.114 R)
• M51: 23,082,353 km (0.053 R)
• M52: 23,800,722 km (0.08 R)
• M53: 24,892,038 km (0.083 R)
• M54: 25,014,260 km (0.044 R)
• M55: 26,123,528 km (0.12 R)
• M56: 26,434,542 km (0.057 R)
• M57: 28,135,021 km (0.098 R)
• M58: 28,262,479 km (0.036 R)
• M59: 28,581,720 km (0.094 R)
• M60: 28,773,804 km (0.041 R)
• M61: 28,902,159 km (0.05 R)
• M62: 29,676,029 km (0.061 R)
• M63: 29,870,656 km (0.074 R)
• M64: 31,310,236 km (0.051 R)
• M65: 31,442,331 km (0.102 R)
• M66: 31,773,092 km (0.087 R)
• M67: 31,905,785 km (0.083 R)
• M68: 32,171,620 km (0.058 R)
• M69: 32,438,204 km (0.089 R)
• M70: 33,849,660 km (0.083 R)
• M71: 33,917,428 km (0.082 R)
• M72: 34,460,767 km (0.057 R)
• M73: 35,487,308 km (0.117 R)
• M74: 36,315,781 km (0.066 R)
• M75: 36,523,871 km (0.07 R)
• M76: 37,991,726 km (0.05 R)
• M77: 39,122,835 km (0.053 R)
• M78: 39,478,728 km (0.117 R)
• M79: 40,768,412 km (0.096 R)
• M80: 41,635,780 km (0.114 R)
• M81: 42,290,420 km (0.109 R)
• M82: 42,801,896 km (0.082 R)
• M83: 42,875,199 km (0.1 R)
• M84: 43,315,465 km (0.09 R)
• M85: 44,793,941 km (0.108 R)
• M86: 46,138,526 km (0.064 R)
• M87: 46,665,111 km (0.062 R)
• M88: 49,020,679 km (0.106 R)
• M89: 50,251,421 km (0.082 R)
• M90: 51,960,427 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690

Radius: 4

Gravity: 43.13 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 16.51 AU - 19.03 AU

Year: 28220 Days

Day: 24.1 Hours

Environment

Temp: -207 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 95,952,863 km

• M1: 208,539 km (0.079 R)
• M2: 475,272 km (0.079 R)
• M3: 598,691 km (0.11 R)
• M4: 965,205 km (0.076 R)
• M5: 1,121,984 km (0.096 R)
• M6: 1,186,910 km (0.077 R)
• M7: 1,389,315 km (0.115 R)
• M8: 1,494,632 km (0.119 R)
• M9: 1,864,139 km (0.112 R)
• M10: 1,980,227 km (0.102 R)
• M11: 2,343,002 km (0.118 R)
• M12: 2,384,590 km (0.085 R)
• M13: 2,426,328 km (0.059 R)
• M14: 3,406,344 km (0.051 R)
• M15: 3,789,763 km (0.061 R)
• M16: 4,390,249 km (0.098 R)
• M17: 4,701,412 km (0.056 R)
• M18: 6,072,776 km (0.056 R)
• M19: 6,536,081 km (0.09 R)
• M20: 8,244,488 km (0.043 R)
• M21: 8,886,263 km (0.038 R)
• M22: 9,477,324 km (0.042 R)
• M23: 9,878,546 km (0.067 R)
• M24: 10,013,483 km (0.111 R)
• M25: 10,766,559 km (0.104 R)
• M26: 11,396,216 km (0.092 R)
• M27: 11,537,736 km (0.029 R)
• M28: 14,031,233 km (0.098 R)
• M29: 15,494,151 km (0.109 R)
• M30: 16,283,279 km (0.107 R)
• M31: 16,602,671 km (0.106 R)
• M32: 16,843,523 km (0.084 R)
• M33: 17,004,790 km (0.09 R)
• M34: 17,982,861 km (0.115 R)
• M35: 18,395,751 km (0.119 R)
• M36: 19,568,299 km (0.092 R)
• M37: 19,992,858 km (0.057 R)
• M38: 20,249,119 km (0.055 R)
• M39: 21,809,126 km (0.073 R)
• M40: 22,959,683 km (0.119 R)
• M41: 23,048,993 km (0.104 R)
• M42: 25,781,697 km (0.071 R)
• M43: 30,459,473 km (0.079 R)
• M44: 30,951,201 km (0.082 R)
• M45: 31,445,622 km (0.105 R)
• M46: 32,042,368 km (0.095 R)
• M47: 32,242,081 km (0.093 R)
• M48: 34,058,349 km (0.056 R)
• M49: 34,466,452 km (0.028 R)
• M50: 35,907,528 km (0.047 R)
• M51: 37,683,704 km (0.03 R)
• M52: 41,320,727 km (0.099 R)
• M53: 41,864,964 km (0.116 R)
• M54: 43,954,547 km (0.086 R)
• M55: 45,403,702 km (0.117 R)
• M56: 46,190,587 km (0.11 R)
• M57: 48,005,807 km (0.113 R)
• M58: 49,382,556 km (0.098 R)
• M59: 49,959,854 km (0.044 R)
• M60: 50,423,458 km (0.115 R)
• M61: 51,588,676 km (0.072 R)
• M62: 52,409,520 km (0.086 R)
• M63: 52,880,454 km (0.1 R)
• M64: 52,998,486 km (0.093 R)
• M65: 53,234,701 km (0.107 R)
• M66: 53,708,029 km (0.104 R)
• M67: 54,420,863 km (0.045 R)
• M68: 54,897,781 km (0.033 R)
• M69: 55,136,838 km (0.088 R)
• M70: 55,615,851 km (0.084 R)
• M71: 56,216,486 km (0.067 R)
• M72: 56,578,064 km (0.072 R)
• M73: 56,698,640 km (0.117 R)
• M74: 58,518,797 km (0.1 R)
• M75: 62,465,339 km (0.117 R)
• M76: 62,714,719 km (0.063 R)
• M77: 63,339,888 km (0.087 R)
• M78: 63,967,152 km (0.111 R)
• M79: 64,470,549 km (0.116 R)
• M80: 66,115,228 km (0.101 R)
• M81: 69,833,632 km (0.042 R)
• M82: 70,611,392 km (0.058 R)
• M83: 72,306,485 km (0.084 R)
• M84: 73,882,948 km (0.082 R)
• M85: 79,894,688 km (0.06 R)
• M86: 80,436,681 km (0.1 R)
• M87: 84,126,512 km (0.1 R)
• M88: 85,507,001 km (0.05 R)
• M89: 85,645,529 km (0.058 R)
• M90: 86,616,868 km (0.097 R)
• M91: 90,538,576 km (0.118 R)
• M92: 91,953,323 km (0.1 R)
• M93: 92,237,110 km (0.103 R)
• M94: 93,090,267 km (0.114 R)
• M95: 94,661,045 km (0.115 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 303 - 17,115 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit