🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.03

Radius: 1.01

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.95 AU - 0.97 AU

Year: 358 Days

Day: 32.9 Hours

Environment

Temp: 20 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.91

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.64 AU - 2.02 AU

Year: 943 Days

Day: 35.7 Hours

Environment

Temp: -68 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,655,631 km

• M1: 318,195 km (0.116 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 2.52 AU - 2.78 AU

Year: 1643 Days

Day: 35.7 Hours

Environment

Temp: -98 °C

Axial Tilt: 29 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.14

Radius: 1.05

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 3.49 AU - 4.45 AU

Year: 3012 Days

Day: 36.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 42,655,631 km

• M1: 1,749,248 km (0.083 R)
• M2: 1,898,247 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.7

Radius: 9.9

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 3.93 AU - 5.07 AU

Year: 3635 Days

Day: 6.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 42,655,631 km

• M1: 124,017 km (0.104 R)
• M2: 251,175 km (0.099 R)
• M3: 325,675 km (0.103 R)
• M4: 466,297 km (0.041 R)
• M5: 662,419 km (0.105 R)
• M6: 861,534 km (0.105 R)
• M7: 1,080,246 km (0.11 R)
• M8: 1,189,602 km (0.052 R)
• M9: 1,259,913 km (0.063 R)
• M10: 1,464,563 km (0.106 R)
• M11: 1,727,706 km (0.077 R)
• M12: 1,873,265 km (0.11 R)
• M13: 2,006,257 km (0.081 R)
• M14: 2,142,242 km (0.068 R)
• M15: 2,387,881 km (0.09 R)
• M16: 2,773,545 km (0.065 R)
• M17: 3,041,774 km (0.031 R)
• M18: 3,218,598 km (0.109 R)
• M19: 3,318,380 km (0.114 R)
• M20: 3,419,059 km (0.096 R)
• M21: 3,541,430 km (0.082 R)
• M22: 3,832,548 km (0.03 R)
• M23: 4,196,519 km (0.036 R)
• M24: 4,305,726 km (0.059 R)
• M25: 4,460,261 km (0.037 R)
• M26: 4,888,858 km (0.097 R)
• M27: 5,073,313 km (0.096 R)
• M28: 5,496,824 km (0.066 R)
• M29: 5,688,758 km (0.105 R)
• M30: 6,054,525 km (0.117 R)
• M31: 6,352,823 km (0.089 R)
• M32: 6,503,767 km (0.067 R)
• M33: 6,809,097 km (0.059 R)
• M34: 7,328,650 km (0.105 R)
• M35: 7,593,139 km (0.063 R)
• M36: 7,833,992 km (0.11 R)
• M37: 7,914,775 km (0.06 R)
• M38: 9,075,504 km (0.055 R)
• M39: 9,188,900 km (0.076 R)
• M40: 9,762,607 km (0.117 R)
• M41: 10,495,936 km (0.05 R)
• M42: 10,974,649 km (0.093 R)
• M43: 11,247,067 km (0.059 R)
• M44: 11,613,731 km (0.115 R)
• M45: 11,922,352 km (0.068 R)
• M46: 12,579,236 km (0.112 R)
• M47: 13,183,761 km (0.108 R)
• M48: 14,321,902 km (0.094 R)
• M49: 15,356,072 km (0.042 R)
• M50: 16,865,066 km (0.115 R)
• M51: 16,934,778 km (0.115 R)
• M52: 17,144,365 km (0.115 R)
• M53: 17,531,075 km (0.098 R)
• M54: 17,637,140 km (0.069 R)
• M55: 17,849,719 km (0.063 R)
• M56: 18,027,441 km (0.074 R)
• M57: 18,241,665 km (0.12 R)
• M58: 18,492,541 km (0.12 R)
• M59: 18,997,733 km (0.073 R)
• M60: 19,252,049 km (0.027 R)
• M61: 19,764,123 km (0.119 R)
• M62: 19,984,929 km (0.106 R)
• M63: 20,243,584 km (0.077 R)
• M64: 20,503,286 km (0.067 R)
• M65: 20,764,184 km (0.055 R)
• M66: 20,913,782 km (0.081 R)
• M67: 21,667,008 km (0.05 R)
• M68: 22,085,134 km (0.105 R)
• M69: 22,505,803 km (0.089 R)
• M70: 23,122,595 km (0.068 R)
• M71: 23,200,087 km (0.054 R)
• M72: 23,588,742 km (0.081 R)
• M73: 23,666,832 km (0.095 R)
• M74: 23,823,012 km (0.104 R)
• M75: 24,649,092 km (0.12 R)
• M76: 24,807,516 km (0.089 R)
• M77: 25,324,676 km (0.085 R)
• M78: 25,845,276 km (0.062 R)
• M79: 26,127,119 km (0.118 R)
• M80: 26,450,549 km (0.102 R)
• M81: 27,019,619 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605

Radius: 14.5

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 4.25 AU - 5.93 AU

Year: 4373 Days

Day: 12.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (73)

Outer Limit: 42,655,631 km

• M1: 382,971 km (0.093 R)
• M2: 474,524 km (0.111 R)
• M3: 586,573 km (0.101 R)
• M4: 787,034 km (0.051 R)
• M5: 914,641 km (0.027 R)
• M6: 1,025,045 km (0.082 R)
• M7: 1,179,878 km (0.104 R)
• M8: 1,399,638 km (0.077 R)
• M9: 1,588,430 km (0.046 R)
• M10: 2,173,208 km (0.085 R)
• M11: 2,308,295 km (0.101 R)
• M12: 2,658,653 km (0.049 R)
• M13: 2,840,415 km (0.076 R)
• M14: 3,064,064 km (0.048 R)
• M15: 3,352,039 km (0.04 R)
• M16: 3,489,520 km (0.108 R)
• M17: 3,689,233 km (0.05 R)
• M18: 3,913,331 km (0.084 R)
• M19: 4,482,700 km (0.092 R)
• M20: 4,810,469 km (0.096 R)
• M21: 5,237,122 km (0.108 R)
• M22: 6,007,102 km (0.05 R)
• M23: 6,417,749 km (0.102 R)
• M24: 6,862,503 km (0.08 R)
• M25: 7,038,281 km (0.043 R)
• M26: 7,471,366 km (0.037 R)
• M27: 7,678,111 km (0.096 R)
• M28: 8,578,391 km (0.106 R)
• M29: 8,686,550 km (0.078 R)
• M30: 8,849,612 km (0.091 R)
• M31: 8,986,194 km (0.103 R)
• M32: 9,344,930 km (0.104 R)
• M33: 10,190,607 km (0.063 R)
• M34: 10,305,199 km (0.07 R)
• M35: 10,449,112 km (0.031 R)
• M36: 10,622,646 km (0.086 R)
• M37: 10,972,555 km (0.109 R)
• M38: 11,564,364 km (0.118 R)
• M39: 11,954,665 km (0.11 R)
• M40: 12,106,058 km (0.109 R)
• M41: 12,471,675 km (0.097 R)
• M42: 12,964,899 km (0.07 R)
• M43: 13,089,215 km (0.105 R)
• M44: 13,307,778 km (0.117 R)
• M45: 13,716,778 km (0.036 R)
• M46: 14,450,706 km (0.119 R)
• M47: 15,328,546 km (0.075 R)
• M48: 16,357,779 km (0.066 R)
• M49: 16,694,674 km (0.049 R)
• M50: 16,796,101 km (0.113 R)
• M51: 17,926,014 km (0.116 R)
• M52: 18,377,949 km (0.066 R)
• M53: 18,868,779 km (0.086 R)
• M54: 19,293,039 km (0.08 R)
• M55: 20,403,354 km (0.051 R)
• M56: 20,657,072 km (0.111 R)
• M57: 20,984,692 km (0.076 R)
• M58: 21,313,957 km (0.036 R)
• M59: 21,424,210 km (0.076 R)
• M60: 21,608,216 km (0.113 R)
• M61: 21,940,772 km (0.09 R)
• M62: 22,052,073 km (0.072 R)
• M63: 22,275,123 km (0.112 R)
• M64: 22,573,720 km (0.106 R)
• M65: 22,911,213 km (0.086 R)
• M66: 23,099,407 km (0.046 R)
• M67: 23,212,503 km (0.107 R)
• M68: 23,705,129 km (0.113 R)
• M69: 23,857,420 km (0.056 R)
• M70: 24,932,430 km (0.06 R)
• M71: 25,164,755 km (0.104 R)
• M72: 25,320,188 km (0.05 R)
• M73: 25,944,759 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 433.6

Radius: 13.3

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.64 AU - 5.68 AU

Year: 4463 Days

Day: 13.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 42,655,631 km

• M1: 173,833 km (0.073 R)
• M2: 335,249 km (0.084 R)
• M3: 490,232 km (0.076 R)
• M4: 675,434 km (0.07 R)
• M5: 799,152 km (0.108 R)
• M6: 1,157,738 km (0.096 R)
• M7: 1,245,851 km (0.098 R)
• M8: 1,362,687 km (0.12 R)
• M9: 1,736,382 km (0.119 R)
• M10: 1,958,087 km (0.091 R)
• M11: 2,268,652 km (0.078 R)
• M12: 2,595,224 km (0.086 R)
• M13: 2,781,324 km (0.076 R)
• M14: 3,257,344 km (0.099 R)
• M15: 3,683,399 km (0.032 R)
• M16: 4,009,672 km (0.068 R)
• M17: 4,711,286 km (0.082 R)
• M18: 4,835,452 km (0.09 R)
• M19: 5,343,187 km (0.114 R)
• M20: 5,429,505 km (0.114 R)
• M21: 5,669,161 km (0.032 R)
• M22: 5,757,274 km (0.116 R)
• M23: 6,159,244 km (0.082 R)
• M24: 6,340,855 km (0.097 R)
• M25: 6,547,300 km (0.063 R)
• M26: 6,802,814 km (0.069 R)
• M27: 6,967,072 km (0.063 R)
• M28: 7,467,776 km (0.075 R)
• M29: 7,613,036 km (0.051 R)
• M30: 8,303,280 km (0.051 R)
• M31: 8,428,643 km (0.108 R)
• M32: 8,630,600 km (0.069 R)
• M33: 9,039,302 km (0.113 R)
• M34: 9,272,076 km (0.112 R)
• M35: 9,428,406 km (0.113 R)
• M36: 9,955,589 km (0.102 R)
• M37: 10,195,992 km (0.082 R)
• M38: 10,303,404 km (0.087 R)
• M39: 10,983,775 km (0.115 R)
• M40: 11,232,257 km (0.076 R)
• M41: 11,426,734 km (0.034 R)
• M42: 11,538,484 km (0.043 R)
• M43: 11,819,279 km (0.117 R)
• M44: 12,102,318 km (0.081 R)
• M45: 12,273,309 km (0.038 R)
• M46: 12,588,661 km (0.112 R)
• M47: 12,965,049 km (0.104 R)
• M48: 13,345,028 km (0.067 R)
• M49: 13,492,232 km (0.105 R)
• M50: 14,326,240 km (0.084 R)
• M51: 14,932,261 km (0.108 R)
• M52: 15,085,000 km (0.032 R)
• M53: 15,238,338 km (0.111 R)
• M54: 15,330,640 km (0.106 R)
• M55: 15,453,909 km (0.092 R)
• M56: 15,950,424 km (0.109 R)
• M57: 16,044,072 km (0.106 R)
• M58: 16,546,871 km (0.059 R)
• M59: 16,831,855 km (0.051 R)
• M60: 17,664,517 km (0.093 R)
• M61: 18,053,471 km (0.069 R)
• M62: 18,839,608 km (0.074 R)
• M63: 19,004,913 km (0.045 R)
• M64: 19,203,729 km (0.106 R)
• M65: 19,470,013 km (0.092 R)
• M66: 19,871,684 km (0.069 R)
• M67: 20,073,641 km (0.036 R)
• M68: 20,208,578 km (0.116 R)
• M69: 20,922,160 km (0.106 R)
• M70: 21,264,889 km (0.092 R)
• M71: 21,574,855 km (0.111 R)
• M72: 21,678,527 km (0.1 R)
• M73: 21,921,174 km (0.09 R)
• M74: 22,025,295 km (0.116 R)
• M75: 22,164,570 km (0.106 R)
• M76: 22,409,013 km (0.09 R)
• M77: 22,759,670 km (0.03 R)
• M78: 24,036,937 km (0.09 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 172.5

Radius: 13.7

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 8.72 AU - 10.56 AU

Year: 11398 Days

Day: 11 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (76)

Outer Limit: 42,655,631 km

• M1: 171,439 km (0.114 R)
• M2: 324,328 km (0.098 R)
• M3: 463,305 km (0.072 R)
• M4: 641,326 km (0.101 R)
• M5: 791,971 km (0.036 R)
• M6: 1,028,037 km (0.103 R)
• M7: 1,256,473 km (0.076 R)
• M8: 1,418,487 km (0.112 R)
• M9: 1,605,036 km (0.09 R)
• M10: 1,800,111 km (0.105 R)
• M11: 2,117,558 km (0.078 R)
• M12: 2,575,776 km (0.086 R)
• M13: 3,131,233 km (0.119 R)
• M14: 3,242,384 km (0.111 R)
• M15: 3,607,253 km (0.051 R)
• M16: 3,889,545 km (0.074 R)
• M17: 4,754,520 km (0.062 R)
• M18: 4,960,516 km (0.111 R)
• M19: 5,090,816 km (0.106 R)
• M20: 5,275,120 km (0.069 R)
• M21: 5,381,484 km (0.036 R)
• M22: 5,596,307 km (0.117 R)
• M23: 5,869,024 km (0.059 R)
• M24: 6,146,079 km (0.105 R)
• M25: 6,484,170 km (0.093 R)
• M26: 6,598,313 km (0.096 R)
• M27: 6,684,332 km (0.115 R)
• M28: 6,857,566 km (0.094 R)
• M29: 7,386,096 km (0.076 R)
• M30: 8,050,011 km (0.045 R)
• M31: 8,327,216 km (0.089 R)
• M32: 8,420,415 km (0.101 R)
• M33: 8,954,480 km (0.046 R)
• M34: 9,081,788 km (0.117 R)
• M35: 9,727,452 km (0.077 R)
• M36: 10,188,213 km (0.111 R)
• M37: 10,287,995 km (0.095 R)
• M38: 10,757,433 km (0.08 R)
• M39: 10,926,778 km (0.102 R)
• M40: 11,199,645 km (0.075 R)
• M41: 11,405,790 km (0.054 R)
• M42: 11,717,403 km (0.107 R)
• M43: 11,926,690 km (0.066 R)
• M44: 12,031,858 km (0.113 R)
• M45: 12,883,967 km (0.046 R)
• M46: 12,991,977 km (0.035 R)
• M47: 13,609,068 km (0.104 R)
• M48: 14,087,482 km (0.096 R)
• M49: 14,608,830 km (0.108 R)
• M50: 15,670,527 km (0.105 R)
• M51: 16,600,427 km (0.088 R)
• M52: 17,032,615 km (0.108 R)
• M53: 18,554,026 km (0.067 R)
• M54: 18,676,097 km (0.102 R)
• M55: 19,413,465 km (0.061 R)
• M56: 19,868,841 km (0.11 R)
• M57: 20,579,581 km (0.073 R)
• M58: 21,383,669 km (0.085 R)
• M59: 21,725,351 km (0.113 R)
• M60: 21,854,005 km (0.064 R)
• M61: 22,848,382 km (0.114 R)
• M62: 23,417,003 km (0.11 R)
• M63: 23,548,799 km (0.098 R)
• M64: 24,523,429 km (0.113 R)
• M65: 25,828,372 km (0.081 R)
• M66: 26,833,220 km (0.118 R)
• M67: 28,037,334 km (0.07 R)
• M68: 28,224,181 km (0.108 R)
• M69: 28,364,504 km (0.079 R)
• M70: 28,881,365 km (0.075 R)
• M71: 29,353,795 km (0.098 R)
• M72: 29,876,490 km (0.11 R)
• M73: 30,258,563 km (0.111 R)
• M74: 30,498,219 km (0.106 R)
• M75: 32,584,810 km (0.062 R)
• M76: 32,682,946 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 109.2

Radius: 7.1

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 11.02 AU - 17.98 AU

Year: 21026 Days

Day: 24.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 59.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 42,655,631 km

• M1: 130,898 km (0.076 R)
• M2: 343,477 km (0.1 R)
• M3: 494,571 km (0.119 R)
• M4: 682,914 km (0.053 R)
• M5: 997,818 km (0.044 R)
• M6: 1,295,518 km (0.09 R)
• M7: 2,153,013 km (0.094 R)
• M8: 2,270,447 km (0.061 R)
• M9: 3,311,947 km (0.087 R)
• M10: 3,697,461 km (0.076 R)
• M11: 3,895,678 km (0.114 R)
• M12: 4,126,358 km (0.119 R)
• M13: 4,450,836 km (0.087 R)
• M14: 4,601,182 km (0.091 R)
• M15: 4,906,661 km (0.118 R)
• M16: 5,061,943 km (0.098 R)
• M17: 5,731,693 km (0.092 R)
• M18: 6,395,159 km (0.119 R)
• M19: 6,598,912 km (0.033 R)
• M20: 7,829,953 km (0.076 R)
• M21: 8,194,523 km (0.107 R)
• M22: 8,378,827 km (0.11 R)
• M23: 8,490,128 km (0.117 R)
• M24: 8,564,628 km (0.029 R)
• M25: 10,059,559 km (0.1 R)
• M26: 10,138,397 km (0.053 R)
• M27: 10,296,672 km (0.108 R)
• M28: 10,978,389 km (0.079 R)
• M29: 11,141,002 km (0.065 R)
• M30: 11,304,363 km (0.107 R)
• M31: 11,716,206 km (0.108 R)
• M32: 11,882,260 km (0.115 R)
• M33: 11,965,586 km (0.114 R)
• M34: 12,216,761 km (0.092 R)
• M35: 12,852,551 km (0.09 R)
• M36: 15,002,871 km (0.089 R)
• M37: 15,183,286 km (0.098 R)
• M38: 15,728,870 km (0.114 R)
• M39: 15,774,647 km (0.066 R)
• M40: 16,280,886 km (0.07 R)
• M41: 16,792,361 km (0.108 R)
• M42: 17,026,631 km (0.052 R)
• M43: 17,214,825 km (0.115 R)
• M44: 17,640,880 km (0.046 R)
• M45: 18,214,289 km (0.096 R)
• M46: 18,262,310 km (0.095 R)
• M47: 18,406,821 km (0.087 R)
• M48: 18,745,212 km (0.12 R)
• M49: 18,890,920 km (0.064 R)
• M50: 20,468,280 km (0.091 R)
• M51: 21,475,373 km (0.042 R)
• M52: 21,933,890 km (0.115 R)
• M53: 23,537,579 km (0.112 R)
• M54: 23,852,333 km (0.035 R)
• M55: 24,539,137 km (0.069 R)
• M56: 24,858,229 km (0.1 R)
• M57: 25,071,855 km (0.091 R)
• M58: 25,125,262 km (0.112 R)
• M59: 25,500,752 km (0.102 R)
• M60: 25,554,458 km (0.112 R)
• M61: 26,856,558 km (0.081 R)
• M62: 27,130,621 km (0.117 R)
• M63: 27,185,523 km (0.109 R)
• M64: 27,240,426 km (0.094 R)
• M65: 27,570,888 km (0.113 R)
• M66: 27,681,291 km (0.095 R)
• M67: 28,069,048 km (0.088 R)
• M68: 28,235,701 km (0.056 R)
• M69: 30,833,019 km (0.069 R)
• M70: 30,947,611 km (0.102 R)
• M71: 31,292,434 km (0.072 R)
• M72: 31,350,029 km (0.043 R)
• M73: 32,276,339 km (0.113 R)
• M74: 32,742,785 km (0.033 R)
• M75: 33,682,409 km (0.072 R)
• M76: 33,977,865 km (0.081 R)
• M77: 34,809,779 km (0.088 R)
• M78: 35,288,043 km (0.084 R)
• M79: 36,251,304 km (0.088 R)
• M80: 36,918,660 km (0.096 R)
• M81: 37,773,612 km (0.113 R)
• M82: 38,511,728 km (0.07 R)
• M83: 38,758,864 km (0.073 R)
• M84: 39,130,465 km (0.088 R)
• M85: 39,565,645 km (0.068 R)
• M86: 40,566,006 km (0.08 R)
• M87: 40,754,499 km (0.059 R)
• M88: 41,638,174 km (0.093 R)
• M89: 41,764,883 km (0.049 R)
• M90: 42,145,909 km (0.038 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 536 - 18,642 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit