🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 668.1

Radius: 12.5

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 10 Hours

Environment

Temp: -145 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 28,662,682 km

• M1: 169,494 km (0.089 R)
• M2: 278,102 km (0.117 R)
• M3: 377,136 km (0.08 R)
• M4: 466,596 km (0.087 R)
• M5: 586,573 km (0.067 R)
• M6: 670,198 km (0.106 R)
• M7: 782,397 km (0.117 R)
• M8: 880,234 km (0.103 R)
• M9: 1,081,593 km (0.095 R)
• M10: 1,188,405 km (0.098 R)
• M11: 1,269,936 km (0.073 R)
• M12: 1,383,182 km (0.078 R)
• M13: 1,465,012 km (0.107 R)
• M14: 1,693,298 km (0.067 R)
• M15: 1,809,685 km (0.102 R)
• M16: 1,904,680 km (0.094 R)
• M17: 2,080,158 km (0.079 R)
• M18: 2,225,568 km (0.064 R)
• M19: 2,384,889 km (0.114 R)
• M20: 2,510,851 km (0.107 R)
• M21: 2,769,655 km (0.102 R)
• M22: 2,874,523 km (0.075 R)
• M23: 2,986,422 km (0.108 R)
• M24: 3,139,760 km (0.115 R)
• M25: 3,272,603 km (0.106 R)
• M26: 3,543,974 km (0.11 R)
• M27: 3,652,133 km (0.073 R)
• M28: 3,749,222 km (0.067 R)
• M29: 3,859,625 km (0.107 R)
• M30: 3,995,909 km (0.094 R)
• M31: 4,184,402 km (0.07 R)
• M32: 4,292,561 km (0.115 R)
• M33: 4,388,902 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.5

Radius: 12.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.83 AU - 0.91 AU

Year: 560 Days

Day: 12.9 Hours

Environment

Temp: -167 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 28,662,682 km

• M1: 159,322 km (0.05 R)
• M2: 267,780 km (0.063 R)
• M3: 355,594 km (0.109 R)
• M4: 449,691 km (0.058 R)
• M5: 551,717 km (0.116 R)
• M6: 633,846 km (0.104 R)
• M7: 748,438 km (0.101 R)
• M8: 866,770 km (0.032 R)
• M9: 987,645 km (0.108 R)
• M10: 1,133,204 km (0.044 R)
• M11: 1,232,986 km (0.112 R)
• M12: 1,321,099 km (0.091 R)
• M13: 1,406,370 km (0.066 R)
• M14: 1,514,529 km (0.088 R)
• M15: 1,604,138 km (0.113 R)
• M16: 1,828,086 km (0.115 R)
• M17: 1,987,109 km (0.094 R)
• M18: 2,162,587 km (0.106 R)
• M19: 2,331,333 km (0.119 R)
• M20: 2,460,735 km (0.08 R)
• M21: 2,592,681 km (0.066 R)
• M22: 2,675,558 km (0.076 R)
• M23: 2,817,975 km (0.066 R)
• M24: 3,016,342 km (0.083 R)
• M25: 3,117,171 km (0.079 R)
• M26: 3,253,604 km (0.066 R)
• M27: 3,357,126 km (0.099 R)
• M28: 3,468,875 km (0.119 R)
• M29: 3,703,445 km (0.119 R)
• M30: 3,811,754 km (0.047 R)
• M31: 3,928,590 km (0.096 R)
• M32: 4,225,691 km (0.09 R)
• M33: 4,377,084 km (0.057 R)
• M34: 4,553,460 km (0.086 R)
• M35: 4,685,405 km (0.088 R)
• M36: 4,953,036 km (0.098 R)
• M37: 5,032,772 km (0.071 R)
• M38: 5,185,361 km (0.118 R)
• M39: 5,266,294 km (0.043 R)
• M40: 5,445,961 km (0.096 R)
• M41: 5,610,967 km (0.034 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 8.5

Gravity: 10.47 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.9 AU - 1.02 AU

Year: 649 Days

Day: 13 Hours

Environment

Temp: -168 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 28,662,682 km

• M1: 106,364 km (0.067 R)
• M2: 173,683 km (0.098 R)
• M3: 297,999 km (0.114 R)
• M4: 393,891 km (0.069 R)
• M5: 467,344 km (0.109 R)
• M6: 523,892 km (0.087 R)
• M7: 587,620 km (0.057 R)
• M8: 649,554 km (0.08 R)
• M9: 754,572 km (0.091 R)
• M10: 1,051,673 km (0.066 R)
• M11: 1,170,903 km (0.111 R)
• M12: 1,269,488 km (0.096 R)
• M13: 1,339,051 km (0.111 R)
• M14: 1,468,901 km (0.098 R)
• M15: 1,637,049 km (0.113 R)
• M16: 1,713,045 km (0.119 R)
• M17: 1,783,207 km (0.119 R)
• M18: 1,861,596 km (0.067 R)
• M19: 1,919,341 km (0.088 R)
• M20: 2,111,125 km (0.101 R)
• M21: 2,224,670 km (0.073 R)
• M22: 2,371,575 km (0.081 R)
• M23: 2,481,829 km (0.088 R)
• M24: 2,674,810 km (0.114 R)
• M25: 2,781,473 km (0.093 R)
• M26: 3,024,420 km (0.076 R)
• M27: 3,118,517 km (0.045 R)
• M28: 3,406,493 km (0.054 R)
• M29: 3,495,354 km (0.074 R)
• M30: 3,567,161 km (0.101 R)
• M31: 3,630,292 km (0.094 R)
• M32: 3,739,498 km (0.119 R)
• M33: 3,942,502 km (0.035 R)
• M34: 4,320,985 km (0.114 R)
• M35: 4,495,117 km (0.116 R)
• M36: 4,563,483 km (0.084 R)
• M37: 4,622,425 km (0.066 R)
• M38: 5,153,497 km (0.032 R)
• M39: 5,483,510 km (0.12 R)
• M40: 5,577,607 km (0.059 R)
• M41: 5,651,060 km (0.065 R)
• M42: 5,863,040 km (0.075 R)
• M43: 5,948,460 km (0.084 R)
• M44: 6,185,872 km (0.105 R)
• M45: 6,360,303 km (0.112 R)
• M46: 6,437,196 km (0.073 R)
• M47: 6,525,459 km (0.101 R)
• M48: 6,636,311 km (0.037 R)
• M49: 6,703,181 km (0.092 R)
• M50: 7,108,891 km (0.083 R)
• M51: 7,406,890 km (0.088 R)
• M52: 7,732,415 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.9

Radius: 8.4

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.17 AU - 2.47 AU

Year: 2439 Days

Day: 10.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 28,662,682 km

• M1: 109,356 km (0.094 R)
• M2: 163,062 km (0.112 R)
• M3: 246,836 km (0.092 R)
• M4: 368,908 km (0.1 R)
• M5: 488,138 km (0.083 R)
• M6: 663,766 km (0.025 R)
• M7: 722,109 km (0.11 R)
• M8: 805,435 km (0.101 R)
• M9: 868,266 km (0.114 R)
• M10: 949,198 km (0.113 R)
• M11: 1,154,148 km (0.1 R)
• M12: 1,207,554 km (0.084 R)
• M13: 1,289,534 km (0.075 R)
• M14: 1,392,307 km (0.069 R)
• M15: 1,468,752 km (0.104 R)
• M16: 1,556,566 km (0.098 R)
• M17: 1,636,152 km (0.102 R)
• M18: 2,332,530 km (0.102 R)
• M19: 2,435,603 km (0.074 R)
• M20: 2,851,036 km (0.098 R)
• M21: 2,998,540 km (0.107 R)
• M22: 3,110,888 km (0.101 R)
• M23: 3,212,016 km (0.092 R)
• M24: 3,417,414 km (0.106 R)
• M25: 3,482,489 km (0.071 R)
• M26: 3,627,150 km (0.087 R)
• M27: 3,680,257 km (0.042 R)
• M28: 3,733,514 km (0.115 R)
• M29: 3,963,296 km (0.108 R)
• M30: 4,018,049 km (0.085 R)
• M31: 4,309,615 km (0.082 R)
• M32: 4,394,138 km (0.113 R)
• M33: 4,636,786 km (0.085 R)
• M34: 4,738,064 km (0.076 R)
• M35: 4,839,940 km (0.117 R)
• M36: 5,165,166 km (0.088 R)
• M37: 5,360,541 km (0.031 R)
• M38: 5,482,164 km (0.03 R)
• M39: 5,619,943 km (0.099 R)
• M40: 6,246,309 km (0.056 R)
• M41: 6,374,365 km (0.085 R)
• M42: 6,763,320 km (0.083 R)
• M43: 7,683,945 km (0.077 R)
• M44: 7,941,852 km (0.043 R)
• M45: 8,045,822 km (0.114 R)
• M46: 8,607,861 km (0.038 R)
• M47: 8,714,674 km (0.111 R)
• M48: 8,857,840 km (0.091 R)
• M49: 8,983,651 km (0.06 R)
• M50: 9,037,806 km (0.103 R)
• M51: 9,110,211 km (0.118 R)
• M52: 9,200,867 km (0.116 R)
• M53: 9,881,239 km (0.09 R)
• M54: 9,974,588 km (0.09 R)
• M55: 10,049,237 km (0.086 R)
• M56: 10,218,283 km (0.092 R)
• M57: 10,369,227 km (0.102 R)
• M58: 10,768,952 km (0.096 R)
• M59: 10,845,696 km (0.108 R)
• M60: 10,922,589 km (0.049 R)
• M61: 11,193,212 km (0.062 R)
• M62: 11,800,280 km (0.104 R)
• M63: 11,958,704 km (0.073 R)
• M64: 12,038,141 km (0.071 R)
• M65: 12,237,555 km (0.026 R)
• M66: 12,337,636 km (0.116 R)
• M67: 12,883,069 km (0.084 R)
• M68: 13,354,004 km (0.079 R)
• M69: 13,913,948 km (0.116 R)
• M70: 14,039,461 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.8

Radius: 14.9

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.05 AU - 2.69 AU

Year: 2518 Days

Day: 14.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (66)

Outer Limit: 28,662,682 km

• M1: 207,193 km (0.087 R)
• M2: 397,482 km (0.04 R)
• M3: 529,427 km (0.115 R)
• M4: 877,840 km (0.097 R)
• M5: 1,004,251 km (0.065 R)
• M6: 1,211,892 km (0.109 R)
• M7: 1,310,328 km (0.09 R)
• M8: 1,732,792 km (0.093 R)
• M9: 1,845,290 km (0.099 R)
• M10: 1,947,315 km (0.105 R)
• M11: 2,170,964 km (0.026 R)
• M12: 2,306,650 km (0.076 R)
• M13: 2,459,389 km (0.107 R)
• M14: 2,716,697 km (0.08 R)
• M15: 2,893,223 km (0.112 R)
• M16: 3,227,125 km (0.083 R)
• M17: 3,383,006 km (0.076 R)
• M18: 3,573,594 km (0.066 R)
• M19: 3,784,078 km (0.058 R)
• M20: 3,932,330 km (0.067 R)
• M21: 4,032,261 km (0.115 R)
• M22: 4,320,087 km (0.105 R)
• M23: 4,773,518 km (0.082 R)
• M24: 4,898,133 km (0.102 R)
• M25: 5,023,945 km (0.115 R)
• M26: 5,352,612 km (0.095 R)
• M27: 5,482,313 km (0.073 R)
• M28: 5,877,850 km (0.083 R)
• M29: 6,088,783 km (0.078 R)
• M30: 6,341,454 km (0.066 R)
• M31: 6,459,187 km (0.112 R)
• M32: 6,796,830 km (0.119 R)
• M33: 6,897,210 km (0.117 R)
• M34: 7,886,501 km (0.049 R)
• M35: 7,992,266 km (0.098 R)
• M36: 8,592,602 km (0.059 R)
• M37: 8,745,043 km (0.104 R)
• M38: 10,202,874 km (0.072 R)
• M39: 10,364,290 km (0.068 R)
• M40: 10,760,126 km (0.106 R)
• M41: 10,854,074 km (0.088 R)
• M42: 11,066,203 km (0.077 R)
• M43: 11,422,994 km (0.076 R)
• M44: 11,735,205 km (0.119 R)
• M45: 11,880,315 km (0.071 R)
• M46: 12,540,490 km (0.113 R)
• M47: 12,912,540 km (0.113 R)
• M48: 13,037,305 km (0.099 R)
• M49: 13,187,651 km (0.12 R)
• M50: 13,313,463 km (0.107 R)
• M51: 13,565,984 km (0.042 R)
• M52: 13,769,287 km (0.067 R)
• M53: 13,973,488 km (0.057 R)
• M54: 14,101,694 km (0.079 R)
• M55: 14,307,690 km (0.057 R)
• M56: 14,618,405 km (0.084 R)
• M57: 14,800,615 km (0.117 R)
• M58: 15,431,469 km (0.104 R)
• M59: 15,537,534 km (0.069 R)
• M60: 15,830,297 km (0.099 R)
• M61: 16,124,855 km (0.091 R)
• M62: 16,286,271 km (0.077 R)
• M63: 17,129,106 km (0.039 R)
• M64: 17,293,813 km (0.096 R)
• M65: 17,404,067 km (0.057 R)
• M66: 18,630,919 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.1

Radius: 9.9

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.21 AU - 3.39 AU

Year: 4138 Days

Day: 7.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 28,662,682 km

• M1: 123,867 km (0.102 R)
• M2: 189,092 km (0.042 R)
• M3: 267,481 km (0.066 R)
• M4: 371,900 km (0.11 R)
• M5: 503,098 km (0.086 R)
• M6: 693,685 km (0.102 R)
• M7: 770,279 km (0.083 R)
• M8: 920,625 km (0.079 R)
• M9: 1,068,278 km (0.035 R)
• M10: 1,184,516 km (0.062 R)
• M11: 1,486,704 km (0.061 R)
• M12: 1,662,032 km (0.107 R)
• M13: 1,953,449 km (0.12 R)
• M14: 2,228,111 km (0.092 R)
• M15: 2,446,673 km (0.045 R)
• M16: 2,567,249 km (0.059 R)
• M17: 2,672,267 km (0.098 R)
• M18: 3,143,799 km (0.07 R)
• M19: 3,351,291 km (0.1 R)
• M20: 3,447,034 km (0.082 R)
• M21: 3,621,764 km (0.098 R)
• M22: 3,799,487 km (0.027 R)
• M23: 4,475,669 km (0.116 R)
• M24: 4,709,341 km (0.113 R)
• M25: 4,903,519 km (0.098 R)
• M26: 5,122,530 km (0.043 R)
• M27: 5,344,683 km (0.091 R)
• M28: 5,412,002 km (0.111 R)
• M29: 5,502,060 km (0.085 R)
• M30: 5,683,971 km (0.041 R)
• M31: 5,798,563 km (0.075 R)
• M32: 5,983,616 km (0.083 R)
• M33: 6,430,913 km (0.071 R)
• M34: 7,109,938 km (0.074 R)
• M35: 7,483,035 km (0.088 R)
• M36: 7,709,975 km (0.101 R)
• M37: 8,248,527 km (0.052 R)
• M38: 8,852,155 km (0.055 R)
• M39: 8,931,890 km (0.097 R)
• M40: 9,012,075 km (0.097 R)
• M41: 9,361,685 km (0.084 R)
• M42: 9,715,634 km (0.052 R)
• M43: 9,825,588 km (0.104 R)
• M44: 9,991,043 km (0.103 R)
• M45: 10,129,721 km (0.027 R)
• M46: 10,634,165 km (0.059 R)
• M47: 11,522,178 km (0.115 R)
• M48: 11,784,423 km (0.071 R)
• M49: 11,960,350 km (0.111 R)
• M50: 12,583,126 km (0.056 R)
• M51: 12,793,012 km (0.098 R)
• M52: 13,125,268 km (0.072 R)
• M53: 13,368,664 km (0.091 R)
• M54: 14,076,711 km (0.111 R)
• M55: 14,357,207 km (0.095 R)
• M56: 15,050,443 km (0.077 R)
• M57: 15,337,073 km (0.117 R)
• M58: 15,883,704 km (0.104 R)
• M59: 15,948,479 km (0.088 R)
• M60: 17,029,025 km (0.057 R)
• M61: 17,728,993 km (0.098 R)
• M62: 17,863,482 km (0.117 R)
• M63: 18,336,510 km (0.061 R)
• M64: 18,506,453 km (0.034 R)
• M65: 19,191,462 km (0.078 R)
• M66: 19,433,212 km (0.114 R)
• M67: 20,833,897 km (0.115 R)
• M68: 21,046,775 km (0.064 R)
• M69: 21,117,834 km (0.063 R)
• M70: 21,224,796 km (0.094 R)
• M71: 22,049,829 km (0.084 R)
• M72: 22,739,325 km (0.059 R)
• M73: 22,812,329 km (0.069 R)
• M74: 23,178,544 km (0.077 R)
• M75: 23,436,002 km (0.11 R)
• M76: 24,065,211 km (0.047 R)
• M77: 24,176,811 km (0.104 R)
• M78: 24,775,053 km (0.098 R)
• M79: 24,962,948 km (0.101 R)
• M80: 25,340,234 km (0.068 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 602

Radius: 11.2

Gravity: 4.8 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 3.64 AU - 3.78 AU

Year: 4933 Days

Day: 10.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 28,662,682 km

• M1: 149,299 km (0.116 R)
• M2: 265,835 km (0.099 R)
• M3: 579,692 km (0.098 R)
• M4: 690,394 km (0.119 R)
• M5: 784,641 km (0.111 R)
• M6: 987,645 km (0.118 R)
• M7: 1,095,954 km (0.084 R)
• M8: 1,310,178 km (0.075 R)
• M9: 1,779,766 km (0.09 R)
• M10: 1,930,710 km (0.09 R)
• M11: 2,033,633 km (0.055 R)
• M12: 2,103,346 km (0.095 R)
• M13: 2,191,758 km (0.084 R)
• M14: 2,520,275 km (0.111 R)
• M15: 3,203,788 km (0.118 R)
• M16: 3,306,113 km (0.098 R)
• M17: 3,598,278 km (0.11 R)
• M18: 4,030,316 km (0.092 R)
• M19: 4,118,729 km (0.116 R)
• M20: 4,388,005 km (0.1 R)
• M21: 4,616,889 km (0.097 R)
• M22: 4,709,491 km (0.096 R)
• M23: 5,302,646 km (0.12 R)
• M24: 5,399,735 km (0.094 R)
• M25: 5,546,491 km (0.115 R)
• M26: 5,719,426 km (0.105 R)
• M27: 5,969,703 km (0.106 R)
• M28: 6,637,059 km (0.083 R)
• M29: 6,926,531 km (0.081 R)
• M30: 7,490,964 km (0.106 R)
• M31: 7,654,923 km (0.114 R)
• M32: 8,322,728 km (0.107 R)
• M33: 8,407,550 km (0.12 R)
• M34: 8,864,721 km (0.119 R)
• M35: 8,980,211 km (0.095 R)
• M36: 9,862,988 km (0.036 R)
• M37: 9,952,746 km (0.106 R)
• M38: 10,254,036 km (0.115 R)
• M39: 10,436,396 km (0.081 R)
• M40: 10,804,108 km (0.09 R)
• M41: 10,958,493 km (0.101 R)
• M42: 11,113,775 km (0.052 R)
• M43: 11,520,831 km (0.085 R)
• M44: 11,869,095 km (0.038 R)
• M45: 12,092,445 km (0.101 R)
• M46: 12,317,290 km (0.097 R)
• M47: 12,673,333 km (0.094 R)
• M48: 12,771,021 km (0.107 R)
• M49: 13,296,408 km (0.102 R)
• M50: 14,097,804 km (0.053 R)
• M51: 14,504,262 km (0.105 R)
• M52: 14,914,758 km (0.098 R)
• M53: 15,121,353 km (0.057 R)
• M54: 15,502,678 km (0.051 R)
• M55: 16,098,227 km (0.097 R)
• M56: 16,274,902 km (0.077 R)
• M57: 16,416,571 km (0.068 R)
• M58: 18,370,170 km (0.119 R)
• M59: 18,963,026 km (0.103 R)
• M60: 19,261,773 km (0.044 R)
• M61: 19,449,369 km (0.097 R)
• M62: 19,675,112 km (0.11 R)
• M63: 20,129,441 km (0.099 R)
• M64: 20,243,584 km (0.059 R)
• M65: 20,319,729 km (0.069 R)
• M66: 20,472,469 km (0.061 R)
• M67: 20,855,888 km (0.092 R)
• M68: 22,729,003 km (0.11 R)
• M69: 22,967,013 km (0.091 R)
• M70: 23,365,392 km (0.061 R)
• M71: 23,525,312 km (0.074 R)
• M72: 23,846,499 km (0.084 R)
• M73: 24,493,061 km (0.071 R)
• M74: 25,022,488 km (0.112 R)
• M75: 25,309,267 km (0.092 R)
• M76: 26,300,652 km (0.108 R)
• M77: 27,094,418 km (0.105 R)
• M78: 27,515,387 km (0.057 R)
• M79: 27,642,096 km (0.035 R)
• M80: 27,980,935 km (0.062 R)
• M81: 28,449,027 km (0.118 R)
• M82: 28,619,868 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 350 - 11,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit