🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.1

Radius: 1.76

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 0.58 AU - 0.74 AU

Year: 192 Days

Day: 42.3 Hours

Environment

Temp: 138 °C

Axial Tilt: 20.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 94,857,909 km

• M1: 109,655 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.42 AU - 1.66 AU

Year: 684 Days

Day: 43.5 Hours

Environment

Temp: -40 °C

Axial Tilt: 49.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.8 AU - 2.9 AU

Year: 1723 Days

Day: 26.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 20.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,857,909 km

• M1: 46,974 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3 AU - 3.02 AU

Year: 1870 Days

Day: 27.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 14.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 94,857,909 km

• M1: 1,996,234 km (0.027 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 8.6

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.26 AU - 6.86 AU

Year: 6018 Days

Day: 8.9 Hours

Environment

Temp: -155 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 94,857,909 km

• M1: 117,734 km (0.091 R)
• M2: 221,255 km (0.039 R)
• M3: 350,358 km (0.113 R)
• M4: 700,716 km (0.11 R)
• M5: 1,154,297 km (0.1 R)
• M6: 1,657,844 km (0.113 R)
• M7: 2,053,829 km (0.092 R)
• M8: 2,743,176 km (0.08 R)
• M9: 2,861,807 km (0.088 R)
• M10: 3,139,461 km (0.114 R)
• M11: 3,425,941 km (0.084 R)
• M12: 4,120,374 km (0.086 R)
• M13: 4,335,197 km (0.107 R)
• M14: 4,553,610 km (0.091 R)
• M15: 4,775,762 km (0.113 R)
• M16: 5,634,903 km (0.071 R)
• M17: 5,807,988 km (0.12 R)
• M18: 5,895,353 km (0.118 R)
• M19: 6,473,100 km (0.119 R)
• M20: 6,953,010 km (0.112 R)
• M21: 7,326,406 km (0.056 R)
• M22: 7,730,320 km (0.118 R)
• M23: 8,809,071 km (0.116 R)
• M24: 9,545,691 km (0.079 R)
• M25: 10,514,038 km (0.11 R)
• M26: 10,727,514 km (0.099 R)
• M27: 11,050,346 km (0.086 R)
• M28: 11,213,108 km (0.086 R)
• M29: 11,568,254 km (0.113 R)
• M30: 11,650,682 km (0.059 R)
• M31: 12,317,589 km (0.058 R)
• M32: 12,825,923 km (0.089 R)
• M33: 12,996,913 km (0.108 R)
• M34: 13,254,820 km (0.062 R)
• M35: 13,659,333 km (0.059 R)
• M36: 14,068,034 km (0.1 R)
• M37: 14,867,336 km (0.086 R)
• M38: 15,047,003 km (0.115 R)
• M39: 15,986,627 km (0.088 R)
• M40: 16,078,480 km (0.08 R)
• M41: 16,324,568 km (0.117 R)
• M42: 16,758,103 km (0.113 R)
• M43: 16,945,100 km (0.116 R)
• M44: 17,636,542 km (0.113 R)
• M45: 18,017,568 km (0.081 R)
• M46: 18,145,324 km (0.032 R)
• M47: 19,079,563 km (0.059 R)
• M48: 21,061,735 km (0.075 R)
• M49: 21,466,098 km (0.1 R)
• M50: 21,838,896 km (0.085 R)
• M51: 21,906,963 km (0.07 R)
• M52: 22,970,155 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.3

Radius: 15

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 6.7 AU - 7.32 AU

Year: 6647 Days

Day: 13.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 94,857,909 km

• M1: 218,413 km (0.057 R)
• M2: 420,669 km (0.11 R)
• M3: 519,553 km (0.082 R)
• M4: 791,223 km (0.08 R)
• M5: 969,095 km (0.053 R)
• M6: 1,063,491 km (0.117 R)
• M7: 1,403,228 km (0.076 R)
• M8: 1,937,143 km (0.055 R)
• M9: 2,039,019 km (0.047 R)
• M10: 2,443,532 km (0.103 R)
• M11: 2,758,286 km (0.098 R)
• M12: 3,279,634 km (0.104 R)
• M13: 3,452,120 km (0.089 R)
• M14: 4,172,434 km (0.105 R)
• M15: 5,310,126 km (0.084 R)
• M16: 5,484,557 km (0.08 R)
• M17: 5,631,313 km (0.117 R)
• M18: 5,958,782 km (0.099 R)
• M19: 6,477,289 km (0.095 R)
• M20: 7,042,320 km (0.094 R)
• M21: 8,019,343 km (0.063 R)
• M22: 8,152,934 km (0.077 R)
• M23: 8,320,783 km (0.088 R)
• M24: 8,489,978 km (0.076 R)
• M25: 8,728,587 km (0.047 R)
• M26: 9,108,266 km (0.082 R)
• M27: 9,317,554 km (0.119 R)
• M28: 9,458,026 km (0.09 R)
• M29: 10,171,010 km (0.113 R)
• M30: 10,975,397 km (0.105 R)
• M31: 11,347,896 km (0.074 R)
• M32: 12,297,244 km (0.102 R)
• M33: 12,451,480 km (0.081 R)
• M34: 12,684,104 km (0.036 R)
• M35: 13,035,809 km (0.078 R)
• M36: 13,153,692 km (0.051 R)
• M37: 13,469,942 km (0.047 R)
• M38: 14,029,588 km (0.086 R)
• M39: 15,047,601 km (0.052 R)
• M40: 15,503,276 km (0.077 R)
• M41: 16,131,737 km (0.075 R)
• M42: 16,258,446 km (0.102 R)
• M43: 16,640,669 km (0.074 R)
• M44: 17,068,668 km (0.078 R)
• M45: 17,413,791 km (0.11 R)
• M46: 18,242,712 km (0.108 R)
• M47: 19,129,229 km (0.119 R)
• M48: 19,712,960 km (0.115 R)
• M49: 19,893,824 km (0.063 R)
• M50: 20,120,614 km (0.089 R)
• M51: 20,439,557 km (0.102 R)
• M52: 21,685,408 km (0.052 R)
• M53: 22,718,681 km (0.04 R)
• M54: 23,384,690 km (0.082 R)
• M55: 24,638,470 km (0.082 R)
• M56: 24,979,703 km (0.106 R)
• M57: 25,716,472 km (0.032 R)
• M58: 26,211,492 km (0.12 R)
• M59: 27,867,540 km (0.117 R)
• M60: 28,172,271 km (0.108 R)
• M61: 28,376,023 km (0.086 R)
• M62: 30,127,964 km (0.068 R)
• M63: 30,440,773 km (0.103 R)
• M64: 30,859,498 km (0.037 R)
• M65: 31,017,024 km (0.118 R)
• M66: 31,122,191 km (0.064 R)
• M67: 31,491,100 km (0.082 R)
• M68: 32,820,875 km (0.089 R)
• M69: 32,981,693 km (0.11 R)
• M70: 33,681,512 km (0.035 R)
• M71: 33,789,671 km (0.098 R)
• M72: 33,897,830 km (0.044 R)
• M73: 34,277,510 km (0.101 R)
• M74: 34,386,267 km (0.091 R)
• M75: 34,931,701 km (0.073 R)
• M76: 35,095,960 km (0.078 R)
• M77: 35,865,641 km (0.108 R)
• M78: 36,863,309 km (0.092 R)
• M79: 37,533,507 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.9

Radius: 12.4

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 5.84 AU - 8.44 AU

Year: 6833 Days

Day: 7.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 94,857,909 km

• M1: 206,445 km (0.106 R)
• M2: 414,386 km (0.113 R)
• M3: 680,820 km (0.108 R)
• M4: 1,156,541 km (0.075 R)
• M5: 1,281,306 km (0.061 R)
• M6: 1,429,856 km (0.071 R)
• M7: 1,545,196 km (0.094 R)
• M8: 2,125,487 km (0.088 R)
• M9: 2,258,329 km (0.087 R)
• M10: 2,416,903 km (0.098 R)
• M11: 2,866,445 km (0.074 R)
• M12: 3,063,615 km (0.104 R)
• M13: 3,602,616 km (0.114 R)
• M14: 3,735,459 km (0.106 R)
• M15: 3,951,329 km (0.086 R)
• M16: 4,143,711 km (0.086 R)
• M17: 4,826,775 km (0.117 R)
• M18: 5,003,151 km (0.108 R)
• M19: 5,331,967 km (0.03 R)
• M20: 5,544,995 km (0.052 R)
• M21: 6,457,093 km (0.082 R)
• M22: 6,749,706 km (0.111 R)
• M23: 6,914,264 km (0.105 R)
• M24: 7,348,098 km (0.116 R)
• M25: 7,790,908 km (0.079 R)
• M26: 8,207,388 km (0.099 R)
• M27: 9,721,917 km (0.048 R)
• M28: 9,907,867 km (0.09 R)
• M29: 10,095,164 km (0.098 R)
• M30: 10,245,809 km (0.087 R)
• M31: 10,625,638 km (0.038 R)
• M32: 10,855,719 km (0.099 R)
• M33: 11,126,342 km (0.119 R)
• M34: 11,320,968 km (0.036 R)
• M35: 11,477,448 km (0.081 R)
• M36: 11,556,136 km (0.118 R)
• M37: 11,674,169 km (0.102 R)
• M38: 12,391,640 km (0.064 R)
• M39: 12,552,907 km (0.102 R)
• M40: 12,715,071 km (0.032 R)
• M41: 13,000,354 km (0.094 R)
• M42: 15,271,699 km (0.107 R)
• M43: 15,488,167 km (0.055 R)
• M44: 16,763,788 km (0.09 R)
• M45: 16,942,408 km (0.103 R)
• M46: 17,482,007 km (0.097 R)
• M47: 17,799,454 km (0.102 R)
• M48: 18,072,919 km (0.076 R)
• M49: 20,501,790 km (0.107 R)
• M50: 20,644,955 km (0.089 R)
• M51: 21,269,526 km (0.097 R)
• M52: 21,366,166 km (0.056 R)
• M53: 23,829,295 km (0.034 R)
• M54: 24,534,948 km (0.068 R)
• M55: 25,298,646 km (0.096 R)
• M56: 25,452,432 km (0.083 R)
• M57: 26,018,510 km (0.108 R)
• M58: 26,797,317 km (0.09 R)
• M59: 27,373,269 km (0.116 R)
• M60: 27,478,436 km (0.107 R)
• M61: 27,636,411 km (0.035 R)
• M62: 27,741,878 km (0.095 R)
• M63: 28,218,347 km (0.103 R)
• M64: 28,377,669 km (0.079 R)
• M65: 28,537,439 km (0.092 R)
• M66: 29,448,042 km (0.081 R)
• M67: 29,771,771 km (0.102 R)
• M68: 30,096,698 km (0.073 R)
• M69: 30,422,672 km (0.101 R)
• M70: 31,188,014 km (0.048 R)
• M71: 31,462,975 km (0.087 R)
• M72: 32,181,344 km (0.119 R)
• M73: 32,403,497 km (0.102 R)
• M74: 32,681,899 km (0.11 R)
• M75: 33,409,543 km (0.118 R)
• M76: 33,747,185 km (0.114 R)
• M77: 34,369,064 km (0.069 R)
• M78: 35,280,414 km (0.111 R)
• M79: 35,509,448 km (0.106 R)
• M80: 35,681,635 km (0.062 R)
• M81: 35,969,162 km (0.098 R)
• M82: 36,546,461 km (0.057 R)
• M83: 38,179,321 km (0.105 R)
• M84: 39,360,097 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 799

Radius: 12.7

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 6.65 AU - 10.55 AU

Year: 9033 Days

Day: 11.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 94,857,909 km

• M1: 174,581 km (0.079 R)
• M2: 332,706 km (0.116 R)
• M3: 439,668 km (0.076 R)
• M4: 547,977 km (0.11 R)
• M5: 747,541 km (0.12 R)
• M6: 865,872 km (0.115 R)
• M7: 991,235 km (0.089 R)
• M8: 1,384,678 km (0.068 R)
• M9: 1,621,641 km (0.099 R)
• M10: 1,872,217 km (0.112 R)
• M11: 2,488,710 km (0.096 R)
• M12: 2,752,451 km (0.04 R)
• M13: 3,137,217 km (0.09 R)
• M14: 3,568,508 km (0.107 R)
• M15: 3,897,025 km (0.094 R)
• M16: 4,049,614 km (0.091 R)
• M17: 4,583,529 km (0.092 R)
• M18: 4,842,483 km (0.064 R)
• M19: 5,006,891 km (0.108 R)
• M20: 5,139,734 km (0.047 R)
• M21: 5,579,552 km (0.085 R)
• M22: 5,961,326 km (0.07 R)
• M23: 6,280,119 km (0.087 R)
• M24: 6,568,244 km (0.073 R)
• M25: 6,934,460 km (0.119 R)
• M26: 8,190,184 km (0.059 R)
• M27: 8,783,938 km (0.109 R)
• M28: 9,187,703 km (0.107 R)
• M29: 9,269,084 km (0.11 R)
• M30: 9,350,914 km (0.106 R)
• M31: 9,432,894 km (0.106 R)
• M32: 10,690,862 km (0.12 R)
• M33: 11,558,679 km (0.106 R)
• M34: 11,646,793 km (0.108 R)
• M35: 13,131,402 km (0.114 R)
• M36: 13,223,405 km (0.114 R)
• M37: 13,315,407 km (0.113 R)
• M38: 13,732,636 km (0.076 R)
• M39: 14,484,963 km (0.109 R)
• M40: 14,579,958 km (0.088 R)
• M41: 14,818,267 km (0.115 R)
• M42: 15,202,435 km (0.076 R)
• M43: 15,589,893 km (0.092 R)
• M44: 15,980,493 km (0.111 R)
• M45: 16,127,847 km (0.103 R)
• M46: 16,821,383 km (0.077 R)
• M47: 19,481,981 km (0.076 R)
• M48: 19,797,333 km (0.117 R)
• M49: 20,273,503 km (0.096 R)
• M50: 20,379,868 km (0.106 R)
• M51: 20,486,381 km (0.082 R)
• M52: 20,593,044 km (0.118 R)
• M53: 20,860,675 km (0.081 R)
• M54: 21,615,995 km (0.066 R)
• M55: 21,779,056 km (0.115 R)
• M56: 22,106,377 km (0.108 R)
• M57: 23,264,862 km (0.052 R)
• M58: 24,953,822 km (0.073 R)
• M59: 25,181,959 km (0.072 R)
• M60: 25,525,585 km (0.12 R)
• M61: 25,640,477 km (0.116 R)
• M62: 26,217,326 km (0.119 R)
• M63: 26,565,590 km (0.068 R)
• M64: 26,973,842 km (0.057 R)
• M65: 27,796,481 km (0.088 R)
• M66: 29,285,878 km (0.066 R)
• M67: 29,949,494 km (0.081 R)
• M68: 31,291,536 km (0.116 R)
• M69: 32,093,830 km (0.096 R)
• M70: 34,540,952 km (0.045 R)
• M71: 35,177,939 km (0.068 R)
• M72: 35,498,079 km (0.066 R)
• M73: 37,765,085 km (0.082 R)
• M74: 38,289,725 km (0.036 R)
• M75: 38,618,990 km (0.09 R)
• M76: 39,081,397 km (0.039 R)
• M77: 39,280,212 km (0.111 R)
• M78: 40,279,077 km (0.051 R)
• M79: 40,748,066 km (0.026 R)
• M80: 40,882,405 km (0.089 R)
• M81: 43,325,488 km (0.046 R)
• M82: 43,737,181 km (0.077 R)
• M83: 44,910,926 km (0.106 R)
• M84: 45,466,832 km (0.047 R)
• M85: 46,094,994 km (0.027 R)
• M86: 47,007,391 km (0.11 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.2

Radius: 6.9

Gravity: 15.11 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 14.71 AU - 21.13 AU

Year: 27169 Days

Day: 24.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 94,857,909 km

• M1: 109,805 km (0.105 R)
• M2: 353,799 km (0.104 R)
• M3: 733,179 km (0.11 R)
• M4: 2,190,113 km (0.077 R)
• M5: 2,475,994 km (0.114 R)
• M6: 2,904,742 km (0.119 R)
• M7: 3,638,071 km (0.09 R)
• M8: 3,976,311 km (0.083 R)
• M9: 4,324,575 km (0.095 R)
• M10: 4,734,623 km (0.062 R)
• M11: 5,925,272 km (0.075 R)
• M12: 6,265,308 km (0.104 R)
• M13: 6,728,613 km (0.119 R)
• M14: 7,811,103 km (0.061 R)
• M15: 8,309,414 km (0.09 R)
• M16: 8,818,046 km (0.025 R)
• M17: 11,228,667 km (0.049 R)
• M18: 13,014,416 km (0.12 R)
• M19: 13,529,931 km (0.085 R)
• M20: 13,604,131 km (0.116 R)
• M21: 14,127,425 km (0.088 R)
• M22: 14,657,300 km (0.083 R)
• M23: 15,270,801 km (0.052 R)
• M24: 17,160,970 km (0.064 R)
• M25: 19,962,489 km (0.033 R)
• M26: 21,588,618 km (0.116 R)
• M27: 21,762,301 km (0.077 R)
• M28: 21,936,284 km (0.112 R)
• M29: 22,461,522 km (0.094 R)
• M30: 22,637,449 km (0.097 R)
• M31: 24,602,866 km (0.087 R)
• M32: 25,881,928 km (0.097 R)
• M33: 26,901,886 km (0.099 R)
• M34: 27,088,883 km (0.058 R)
• M35: 29,653,440 km (0.074 R)
• M36: 29,749,930 km (0.117 R)
• M37: 29,943,211 km (0.11 R)
• M38: 30,136,940 km (0.055 R)
• M39: 31,307,693 km (0.091 R)
• M40: 32,294,590 km (0.112 R)
• M41: 32,493,106 km (0.107 R)
• M42: 33,492,270 km (0.119 R)
• M43: 35,213,992 km (0.083 R)
• M44: 35,418,343 km (0.12 R)
• M45: 37,484,290 km (0.111 R)
• M46: 37,902,117 km (0.106 R)
• M47: 38,531,774 km (0.106 R)
• M48: 40,548,503 km (0.085 R)
• M49: 42,273,217 km (0.086 R)
• M50: 43,144,624 km (0.061 R)
• M51: 44,573,134 km (0.108 R)
• M52: 44,904,942 km (0.103 R)
• M53: 46,352,451 km (0.084 R)
• M54: 47,025,642 km (0.105 R)
• M55: 47,138,139 km (0.119 R)
• M56: 48,041,561 km (0.086 R)
• M57: 49,178,804 km (0.108 R)
• M58: 49,521,832 km (0.115 R)
• M59: 50,785,934 km (0.108 R)
• M60: 52,643,491 km (0.107 R)
• M61: 54,523,188 km (0.077 R)
• M62: 54,641,520 km (0.061 R)
• M63: 54,996,665 km (0.038 R)
• M64: 55,352,559 km (0.108 R)
• M65: 56,185,968 km (0.066 R)
• M66: 58,348,106 km (0.111 R)
• M67: 59,804,741 km (0.079 R)
• M68: 62,505,880 km (0.105 R)
• M69: 65,246,663 km (0.118 R)
• M70: 65,623,350 km (0.107 R)
• M71: 66,000,935 km (0.111 R)
• M72: 67,011,169 km (0.113 R)
• M73: 67,137,729 km (0.038 R)
• M74: 67,772,024 km (0.118 R)
• M75: 68,918,991 km (0.073 R)
• M76: 69,815,381 km (0.115 R)
• M77: 70,973,568 km (0.118 R)
• M78: 71,361,027 km (0.117 R)
• M79: 73,048,191 km (0.066 R)
• M80: 73,569,989 km (0.104 R)
• M81: 74,486,126 km (0.1 R)
• M82: 76,065,281 km (0.098 R)
• M83: 78,188,075 km (0.059 R)
• M84: 79,122,912 km (0.119 R)
• M85: 81,138,594 km (0.094 R)
• M86: 81,543,705 km (0.09 R)
• M87: 84,125,166 km (0.096 R)
• M88: 84,535,363 km (0.034 R)
• M89: 86,595,475 km (0.086 R)
• M90: 87,147,791 km (0.066 R)
• M91: 87,562,626 km (0.086 R)
• M92: 88,811,319 km (0.106 R)
• M93: 90,345,445 km (0.043 R)
• M94: 93,439,877 km (0.115 R)
• M95: 94,857,915 km (0.077 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 411 - 18,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit