🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.4

Radius: 14

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.08 AU - 1.24 AU

Year: 807 Days

Day: 5.9 Hours

Environment

Temp: -173 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 12,854,238 km

• M1: 174,431 km (0.047 R)
• M2: 317,596 km (0.115 R)
• M3: 432,039 km (0.109 R)
• M4: 532,419 km (0.037 R)
• M5: 634,145 km (0.03 R)
• M6: 804,089 km (0.118 R)
• M7: 908,957 km (0.063 R)
• M8: 1,047,484 km (0.106 R)
• M9: 1,187,657 km (0.048 R)
• M10: 1,397,843 km (0.06 R)
• M11: 1,507,797 km (0.038 R)
• M12: 1,641,089 km (0.108 R)
• M13: 1,729,950 km (0.075 R)
• M14: 1,870,123 km (0.111 R)
• M15: 2,184,578 km (0.03 R)
• M16: 2,375,465 km (0.113 R)
• M17: 2,469,262 km (0.099 R)
• M18: 2,596,121 km (0.079 R)
• M19: 2,700,840 km (0.053 R)
• M20: 2,881,554 km (0.066 R)
• M21: 2,973,407 km (0.067 R)
• M22: 3,263,627 km (0.114 R)
• M23: 3,350,843 km (0.116 R)
• M24: 3,572,397 km (0.106 R)
• M25: 3,762,237 km (0.067 R)
• M26: 3,918,417 km (0.053 R)
• M27: 4,030,017 km (0.069 R)
• M28: 4,256,359 km (0.081 R)
• M29: 4,371,250 km (0.11 R)
• M30: 4,506,486 km (0.096 R)
• M31: 4,682,563 km (0.081 R)
• M32: 4,830,964 km (0.07 R)
• M33: 4,930,895 km (0.08 R)
• M34: 5,224,406 km (0.113 R)
• M35: 5,316,708 km (0.075 R)
• M36: 5,565,490 km (0.11 R)
• M37: 5,701,923 km (0.106 R)
• M38: 5,871,268 km (0.078 R)
• M39: 5,988,852 km (0.074 R)
• M40: 6,096,263 km (0.095 R)
• M41: 6,204,422 km (0.077 R)
• M42: 6,335,021 km (0.114 R)
• M43: 6,477,588 km (0.087 R)
• M44: 6,676,703 km (0.1 R)
• M45: 7,126,693 km (0.064 R)
• M46: 7,459,099 km (0.08 R)
• M47: 7,702,944 km (0.092 R)
• M48: 7,855,235 km (0.073 R)
• M49: 8,044,177 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.3

Radius: 12

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 0.92 AU - 1.53 AU

Year: 870 Days

Day: 14.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 12,854,238 km

• M1: 149,448 km (0.093 R)
• M2: 304,132 km (0.116 R)
• M3: 393,891 km (0.113 R)
• M4: 492,775 km (0.08 R)
• M5: 591,061 km (0.064 R)
• M6: 734,077 km (0.068 R)
• M7: 912,697 km (0.036 R)
• M8: 991,235 km (0.1 R)
• M9: 1,106,276 km (0.089 R)
• M10: 1,216,081 km (0.089 R)
• M11: 1,361,490 km (0.052 R)
• M12: 1,447,359 km (0.092 R)
• M13: 1,562,849 km (0.084 R)
• M14: 1,664,426 km (0.08 R)
• M15: 1,780,065 km (0.113 R)
• M16: 1,874,611 km (0.067 R)
• M17: 1,976,936 km (0.086 R)
• M18: 2,149,871 km (0.113 R)
• M19: 2,282,864 km (0.087 R)
• M20: 2,379,504 km (0.061 R)
• M21: 2,464,475 km (0.105 R)
• M22: 2,570,540 km (0.088 R)
• M23: 2,678,101 km (0.087 R)
• M24: 2,821,715 km (0.12 R)
• M25: 2,911,923 km (0.087 R)
• M26: 3,003,177 km (0.059 R)
• M27: 3,224,582 km (0.092 R)
• M28: 3,318,978 km (0.098 R)
• M29: 3,443,893 km (0.084 R)
• M30: 3,570,602 km (0.03 R)
• M31: 3,751,915 km (0.083 R)
• M32: 4,037,497 km (0.113 R)
• M33: 4,123,815 km (0.04 R)
• M34: 4,306,324 km (0.074 R)
• M35: 4,402,665 km (0.044 R)
• M36: 4,515,911 km (0.119 R)
• M37: 4,679,571 km (0.061 R)
• M38: 4,811,816 km (0.098 R)
• M39: 5,004,049 km (0.115 R)
• M40: 5,156,489 km (0.076 R)
• M41: 5,250,287 km (0.104 R)
• M42: 5,379,240 km (0.107 R)
• M43: 5,526,594 km (0.091 R)
• M44: 5,640,289 km (0.083 R)
• M45: 5,843,293 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 57.9

Radius: 12

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 1.4 AU - 1.54 AU

Year: 1151 Days

Day: 13.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 12,854,238 km

• M1: 150,047 km (0.094 R)
• M2: 225,594 km (0.04 R)
• M3: 301,889 km (0.027 R)
• M4: 378,183 km (0.113 R)
• M5: 600,635 km (0.078 R)
• M6: 678,277 km (0.092 R)
• M7: 770,878 km (0.114 R)
• M8: 930,648 km (0.071 R)
• M9: 1,183,319 km (0.056 R)
• M10: 1,361,341 km (0.076 R)
• M11: 1,769,743 km (0.029 R)
• M12: 1,917,845 km (0.092 R)
• M13: 2,254,141 km (0.091 R)
• M14: 2,511,748 km (0.09 R)
• M15: 2,609,436 km (0.087 R)
• M16: 2,880,208 km (0.052 R)
• M17: 2,982,682 km (0.113 R)
• M18: 3,086,354 km (0.036 R)
• M19: 3,203,638 km (0.107 R)
• M20: 3,590,648 km (0.06 R)
• M21: 4,284,932 km (0.106 R)
• M22: 4,768,432 km (0.115 R)
• M23: 4,890,205 km (0.116 R)

Asteroid Belt

Center: 1.88 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 10.6

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.06 AU - 2.52 AU

Year: 2238 Days

Day: 11.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (57)

Outer Limit: 12,854,238 km

• M1: 133,142 km (0.059 R)
• M2: 207,791 km (0.046 R)
• M3: 378,333 km (0.113 R)
• M4: 688,300 km (0.088 R)
• M5: 791,074 km (0.105 R)
• M6: 899,532 km (0.1 R)
• M7: 1,021,753 km (0.105 R)
• M8: 1,229,246 km (0.115 R)
• M9: 1,566,589 km (0.111 R)
• M10: 1,756,429 km (0.071 R)
• M11: 2,280,919 km (0.043 R)
• M12: 2,555,132 km (0.06 R)
• M13: 2,637,111 km (0.096 R)
• M14: 2,815,881 km (0.063 R)
• M15: 3,085,306 km (0.094 R)
• M16: 3,160,405 km (0.097 R)
• M17: 3,248,667 km (0.104 R)
• M18: 4,597,891 km (0.055 R)
• M19: 4,727,143 km (0.064 R)
• M20: 5,330,771 km (0.117 R)
• M21: 5,451,496 km (0.036 R)
• M22: 5,588,378 km (0.083 R)
• M23: 5,834,467 km (0.096 R)
• M24: 6,037,172 km (0.072 R)
• M25: 6,369,429 km (0.077 R)
• M26: 6,513,641 km (0.044 R)
• M27: 6,626,587 km (0.119 R)
• M28: 6,740,132 km (0.074 R)
• M29: 6,854,425 km (0.101 R)
• M30: 7,134,622 km (0.077 R)
• M31: 7,536,741 km (0.081 R)
• M32: 7,740,493 km (0.12 R)
• M33: 7,825,913 km (0.115 R)
• M34: 8,188,389 km (0.102 R)
• M35: 8,310,311 km (0.118 R)
• M36: 8,715,572 km (0.061 R)
• M37: 8,840,187 km (0.088 R)
• M38: 9,308,279 km (0.084 R)
• M39: 9,526,991 km (0.096 R)
• M40: 9,969,651 km (0.117 R)
• M41: 10,081,401 km (0.071 R)
• M42: 10,212,299 km (0.068 R)
• M43: 10,343,646 km (0.107 R)
• M44: 10,627,283 km (0.084 R)
• M45: 10,951,761 km (0.054 R)
• M46: 11,163,442 km (0.096 R)
• M47: 11,415,365 km (0.039 R)
• M48: 11,512,903 km (0.049 R)
• M49: 11,964,539 km (0.11 R)
• M50: 12,202,549 km (0.072 R)
• M51: 12,322,077 km (0.105 R)
• M52: 12,522,239 km (0.078 R)
• M53: 12,642,815 km (0.055 R)
• M54: 12,723,449 km (0.103 R)
• M55: 12,986,741 km (0.108 R)
• M56: 13,395,143 km (0.111 R)
• M57: 13,974,236 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.8

Radius: 13.7

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 1.91 AU - 3.11 AU

Year: 2568 Days

Day: 15 Hours

Environment

Temp: -201 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (63)

Outer Limit: 12,854,238 km

• M1: 258,505 km (0.066 R)
• M2: 362,027 km (0.116 R)
• M3: 489,035 km (0.086 R)
• M4: 577,897 km (0.088 R)
• M5: 696,827 km (0.026 R)
• M6: 850,464 km (0.07 R)
• M7: 1,016,817 km (0.111 R)
• M8: 1,343,239 km (0.102 R)
• M9: 1,659,190 km (0.086 R)
• M10: 1,941,182 km (0.101 R)
• M11: 2,094,071 km (0.095 R)
• M12: 2,214,497 km (0.102 R)
• M13: 2,362,300 km (0.102 R)
• M14: 2,772,647 km (0.085 R)
• M15: 2,892,176 km (0.119 R)
• M16: 3,000,036 km (0.074 R)
• M17: 3,219,645 km (0.077 R)
• M18: 3,430,578 km (0.092 R)
• M19: 3,660,660 km (0.059 R)
• M20: 3,866,207 km (0.081 R)
• M21: 4,273,562 km (0.098 R)
• M22: 4,631,700 km (0.085 R)
• M23: 4,774,416 km (0.093 R)
• M24: 4,918,778 km (0.066 R)
• M25: 5,162,473 km (0.053 R)
• M26: 5,277,663 km (0.092 R)
• M27: 5,410,207 km (0.12 R)
• M28: 5,661,980 km (0.068 R)
• M29: 5,780,911 km (0.086 R)
• M30: 5,934,847 km (0.092 R)
• M31: 6,055,572 km (0.066 R)
• M32: 6,247,057 km (0.107 R)
• M33: 6,546,852 km (0.101 R)
• M34: 6,833,481 km (0.077 R)
• M35: 7,124,150 km (0.12 R)
• M36: 7,308,006 km (0.114 R)
• M37: 7,419,007 km (0.115 R)
• M38: 7,605,257 km (0.064 R)
• M39: 8,077,986 km (0.104 R)
• M40: 8,173,728 km (0.069 R)
• M41: 8,366,261 km (0.107 R)
• M42: 8,834,502 km (0.083 R)
• M43: 9,411,800 km (0.106 R)
• M44: 9,694,840 km (0.098 R)
• M45: 10,394,060 km (0.044 R)
• M46: 10,561,011 km (0.105 R)
• M47: 11,408,932 km (0.115 R)
• M48: 11,602,811 km (0.086 R)
• M49: 11,754,353 km (0.102 R)
• M50: 11,884,803 km (0.105 R)
• M51: 12,234,862 km (0.089 R)
• M52: 12,433,229 km (0.06 R)
• M53: 12,766,383 km (0.113 R)
• M54: 12,945,302 km (0.059 R)
• M55: 13,260,355 km (0.098 R)
• M56: 13,532,474 km (0.111 R)
• M57: 14,569,187 km (0.061 R)
• M58: 14,709,360 km (0.061 R)
• M59: 15,038,176 km (0.071 R)
• M60: 15,179,846 km (0.1 R)
• M61: 15,990,965 km (0.103 R)
• M62: 16,183,946 km (0.076 R)
• M63: 16,280,736 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 13.9

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.74 AU - 3.5 AU

Year: 3558 Days

Day: 7.2 Hours

Environment

Temp: -210 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (62)

Outer Limit: 12,854,238 km

• M1: 178,021 km (0.112 R)
• M2: 299,944 km (0.074 R)
• M3: 413,339 km (0.047 R)
• M4: 589,416 km (0.049 R)
• M5: 814,261 km (0.08 R)
• M6: 1,235,230 km (0.108 R)
• M7: 1,495,231 km (0.048 R)
• M8: 1,670,410 km (0.114 R)
• M9: 1,773,632 km (0.089 R)
• M10: 2,055,325 km (0.112 R)
• M11: 2,380,850 km (0.071 R)
• M12: 2,617,364 km (0.108 R)
• M13: 2,955,306 km (0.1 R)
• M14: 3,913,331 km (0.103 R)
• M15: 4,444,702 km (0.038 R)
• M16: 5,361,588 km (0.104 R)
• M17: 5,536,318 km (0.071 R)
• M18: 5,653,902 km (0.049 R)
• M19: 5,971,648 km (0.056 R)
• M20: 6,152,960 km (0.04 R)
• M21: 6,377,058 km (0.116 R)
• M22: 6,645,437 km (0.05 R)
• M23: 7,086,900 km (0.056 R)
• M24: 7,408,087 km (0.027 R)
• M25: 7,581,470 km (0.104 R)
• M26: 7,690,378 km (0.119 R)
• M27: 8,153,982 km (0.076 R)
• M28: 8,672,189 km (0.062 R)
• M29: 8,854,997 km (0.113 R)
• M30: 9,528,337 km (0.061 R)
• M31: 9,788,039 km (0.119 R)
• M32: 10,581,357 km (0.087 R)
• M33: 10,875,017 km (0.111 R)
• M34: 11,121,854 km (0.091 R)
• M35: 11,671,327 km (0.109 R)
• M36: 11,898,715 km (0.074 R)
• M37: 12,076,438 km (0.037 R)
• M38: 12,229,626 km (0.075 R)
• M39: 12,952,932 km (0.053 R)
• M40: 13,796,664 km (0.12 R)
• M41: 13,903,327 km (0.047 R)
• M42: 14,117,551 km (0.057 R)
• M43: 14,468,059 km (0.077 R)
• M44: 14,658,048 km (0.101 R)
• M45: 15,040,420 km (0.053 R)
• M46: 15,787,213 km (0.091 R)
• M47: 15,898,813 km (0.113 R)
• M48: 16,066,811 km (0.088 R)
• M49: 16,207,284 km (0.107 R)
• M50: 16,461,151 km (0.101 R)
• M51: 16,631,094 km (0.04 R)
• M52: 17,029,922 km (0.09 R)
• M53: 17,173,088 km (0.087 R)
• M54: 17,316,702 km (0.045 R)
• M55: 17,460,764 km (0.044 R)
• M56: 18,011,733 km (0.083 R)
• M57: 18,216,084 km (0.109 R)
• M58: 18,922,934 km (0.115 R)
• M59: 19,728,818 km (0.12 R)
• M60: 19,819,025 km (0.11 R)
• M61: 20,060,326 km (0.118 R)
• M62: 20,302,525 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.8

Radius: 13.6

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.13 AU - 4.53 AU

Year: 5818 Days

Day: 12.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 12,854,238 km

• M1: 169,943 km (0.109 R)
• M2: 258,954 km (0.107 R)
• M3: 390,750 km (0.077 R)
• M4: 556,953 km (0.071 R)
• M5: 946,955 km (0.099 R)
• M6: 1,199,476 km (0.055 R)
• M7: 1,348,026 km (0.056 R)
• M8: 1,474,586 km (0.055 R)
• M9: 1,561,353 km (0.11 R)
• M10: 1,801,308 km (0.104 R)
• M11: 1,910,365 km (0.073 R)
• M12: 2,005,509 km (0.101 R)
• M13: 2,135,210 km (0.11 R)
• M14: 2,385,936 km (0.115 R)
• M15: 2,717,745 km (0.099 R)
• M16: 2,898,459 km (0.085 R)
• M17: 3,027,412 km (0.076 R)
• M18: 3,215,008 km (0.109 R)
• M19: 3,740,994 km (0.064 R)
• M20: 4,003,987 km (0.035 R)
• M21: 4,273,114 km (0.028 R)
• M22: 4,612,701 km (0.117 R)
• M23: 4,851,309 km (0.108 R)
• M24: 5,385,972 km (0.088 R)
• M25: 5,499,816 km (0.101 R)
• M26: 5,892,959 km (0.094 R)
• M27: 6,295,228 km (0.096 R)
• M28: 6,584,550 km (0.039 R)
• M29: 6,829,143 km (0.116 R)
• M30: 7,453,564 km (0.098 R)
• M31: 7,580,722 km (0.093 R)
• M32: 8,490,876 km (0.107 R)
• M33: 8,757,310 km (0.12 R)
• M34: 9,135,044 km (0.11 R)
• M35: 9,298,555 km (0.106 R)
• M36: 9,934,346 km (0.12 R)
• M37: 10,102,494 km (0.097 R)
• M38: 10,441,782 km (0.116 R)
• M39: 10,698,641 km (0.083 R)
• M40: 10,784,810 km (0.084 R)
• M41: 11,073,534 km (0.056 R)
• M42: 11,160,600 km (0.12 R)
• M43: 11,865,804 km (0.087 R)
• M44: 12,044,424 km (0.085 R)
• M45: 12,344,068 km (0.117 R)
• M46: 12,434,425 km (0.074 R)
• M47: 13,073,208 km (0.1 R)
• M48: 13,381,230 km (0.103 R)
• M49: 13,536,064 km (0.107 R)
• M50: 13,753,879 km (0.096 R)
• M51: 14,224,663 km (0.084 R)
• M52: 14,351,073 km (0.101 R)
• M53: 14,477,932 km (0.068 R)
• M54: 14,573,376 km (0.096 R)
• M55: 14,924,781 km (0.105 R)
• M56: 15,930,228 km (0.034 R)
• M57: 16,061,575 km (0.097 R)
• M58: 16,160,310 km (0.084 R)
• M59: 16,490,921 km (0.068 R)
• M60: 17,259,854 km (0.114 R)
• M61: 17,360,982 km (0.06 R)
• M62: 17,563,987 km (0.104 R)
• M63: 17,835,806 km (0.063 R)
• M64: 18,694,049 km (0.059 R)
• M65: 19,075,972 km (0.108 R)
• M66: 19,180,691 km (0.081 R)
• M67: 19,741,833 km (0.112 R)
• M68: 20,059,878 km (0.093 R)
• M69: 20,379,718 km (0.08 R)
• M70: 20,629,546 km (0.115 R)
• M71: 21,204,601 km (0.085 R)
• M72: 21,349,112 km (0.103 R)
• M73: 21,457,720 km (0.1 R)
• M74: 21,712,037 km (0.084 R)
• M75: 22,223,512 km (0.109 R)
• M76: 22,407,068 km (0.112 R)
• M77: 22,664,975 km (0.106 R)
• M78: 24,725,835 km (0.101 R)
• M79: 24,954,271 km (0.115 R)
• M80: 25,836,450 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 11.7

Radius: 3.9

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 5.31 AU - 7.63 AU

Year: 10626 Days

Day: 16.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 12,854,238 km

• M1: 71,957 km (0.093 R)
• M2: 143,315 km (0.106 R)
• M3: 327,470 km (0.044 R)
• M4: 471,832 km (0.119 R)
• M5: 662,569 km (0.116 R)
• M6: 822,339 km (0.093 R)
• M7: 914,641 km (0.038 R)
• M8: 1,075,758 km (0.094 R)
• M9: 1,369,868 km (0.049 R)
• M10: 1,415,196 km (0.081 R)
• M11: 1,554,172 km (0.094 R)
• M12: 1,736,382 km (0.108 R)
• M13: 2,465,074 km (0.116 R)
• M14: 2,677,353 km (0.074 R)
• M15: 3,722,444 km (0.103 R)
• M16: 3,849,901 km (0.098 R)
• M17: 4,095,990 km (0.098 R)
• M18: 4,347,015 km (0.113 R)
• M19: 4,878,087 km (0.107 R)
• M20: 5,059,699 km (0.117 R)
• M21: 5,704,915 km (0.112 R)
• M22: 6,759,281 km (0.102 R)
• M23: 6,945,979 km (0.043 R)
• M24: 7,102,907 km (0.058 R)
• M25: 7,372,183 km (0.118 R)
• M26: 8,449,437 km (0.095 R)
• M27: 8,633,592 km (0.103 R)
• M28: 9,040,199 km (0.067 R)
• M29: 9,749,293 km (0.094 R)
• M30: 10,119,249 km (0.112 R)
• M31: 10,208,110 km (0.107 R)
• M32: 10,710,011 km (0.049 R)
• M33: 10,945,777 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 430 - 10,972 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit