🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.74 AU - 0.86 AU

Year: 274 Days

Day: 45.5 Hours

Environment

Temp: 136 °C

Axial Tilt: 24.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,092,947 km

• M1: 358,586 km (0.039 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.83 AU - 1.01 AU

Year: 338 Days

Day: 45.8 Hours

Environment

Temp: 16 °C

Axial Tilt: 23.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.19 AU - 1.65 AU

Year: 648 Days

Day: 40.2 Hours

Environment

Temp: -38 °C

Axial Tilt: 26.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.3

Radius: 13.6

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.43 AU - 5.41 AU

Year: 3558 Days

Day: 10.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 85,092,947 km

• M1: 171,888 km (0.113 R)
• M2: 362,476 km (0.098 R)
• M3: 453,730 km (0.119 R)
• M4: 607,218 km (0.071 R)
• M5: 884,273 km (0.108 R)
• M6: 1,304,194 km (0.032 R)
• M7: 1,429,408 km (0.1 R)
• M8: 1,784,104 km (0.084 R)
• M9: 1,900,791 km (0.112 R)
• M10: 2,020,170 km (0.113 R)
• M11: 2,204,175 km (0.072 R)
• M12: 2,471,357 km (0.095 R)
• M13: 2,803,464 km (0.106 R)
• M14: 3,093,684 km (0.107 R)
• M15: 3,809,061 km (0.091 R)
• M16: 4,022,836 km (0.113 R)
• M17: 4,162,411 km (0.072 R)
• M18: 4,366,911 km (0.103 R)
• M19: 4,510,376 km (0.118 R)
• M20: 4,655,635 km (0.053 R)
• M21: 4,753,173 km (0.073 R)
• M22: 4,884,520 km (0.063 R)
• M23: 5,285,742 km (0.036 R)
• M24: 5,490,391 km (0.105 R)
• M25: 5,680,231 km (0.107 R)
• M26: 6,048,990 km (0.051 R)
• M27: 6,281,166 km (0.092 R)
• M28: 6,479,981 km (0.102 R)
• M29: 7,032,895 km (0.062 R)
• M30: 7,333,886 km (0.091 R)
• M31: 7,428,881 km (0.113 R)
• M32: 7,929,435 km (0.08 R)
• M33: 8,046,570 km (0.106 R)
• M34: 8,302,233 km (0.051 R)
• M35: 8,580,635 km (0.108 R)
• M36: 8,700,911 km (0.11 R)
• M37: 8,841,982 km (0.11 R)
• M38: 9,105,873 km (0.055 R)
• M39: 9,766,647 km (0.089 R)
• M40: 10,400,343 km (0.12 R)
• M41: 10,528,549 km (0.109 R)
• M42: 10,765,212 km (0.077 R)
• M43: 10,873,372 km (0.051 R)
• M44: 11,134,570 km (0.063 R)
• M45: 11,375,721 km (0.097 R)
• M46: 11,574,238 km (0.053 R)
• M47: 11,662,949 km (0.117 R)
• M48: 11,773,951 km (0.116 R)
• M49: 11,930,131 km (0.105 R)
• M50: 12,357,532 km (0.107 R)
• M51: 12,470,927 km (0.066 R)
• M52: 13,227,444 km (0.107 R)
• M53: 13,576,306 km (0.104 R)
• M54: 13,881,037 km (0.08 R)
• M55: 13,975,283 km (0.112 R)
• M56: 14,188,161 km (0.068 R)
• M57: 14,497,380 km (0.09 R)
• M58: 15,098,614 km (0.065 R)
• M59: 16,102,116 km (0.063 R)
• M60: 16,724,593 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498

Radius: 12.3

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7.69 AU - 8.77 AU

Year: 9040 Days

Day: 14.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 85,092,947 km

• M1: 154,235 km (0.103 R)
• M2: 266,434 km (0.108 R)
• M3: 757,713 km (0.064 R)
• M4: 1,027,438 km (0.083 R)
• M5: 1,403,378 km (0.115 R)
• M6: 1,499,270 km (0.097 R)
• M7: 1,863,541 km (0.091 R)
• M8: 2,012,839 km (0.11 R)
• M9: 2,233,347 km (0.093 R)
• M10: 2,555,431 km (0.111 R)
• M11: 2,917,158 km (0.074 R)
• M12: 3,451,372 km (0.054 R)
• M13: 3,556,540 km (0.088 R)
• M14: 3,797,392 km (0.108 R)
• M15: 4,784,589 km (0.111 R)
• M16: 4,931,943 km (0.079 R)
• M17: 5,021,103 km (0.042 R)
• M18: 5,170,850 km (0.102 R)
• M19: 5,352,462 km (0.087 R)
• M20: 5,474,833 km (0.048 R)
• M21: 5,691,301 km (0.06 R)
• M22: 5,910,462 km (0.111 R)
• M23: 6,037,022 km (0.027 R)
• M24: 6,650,373 km (0.099 R)
• M25: 6,848,291 km (0.091 R)
• M26: 7,385,497 km (0.115 R)
• M27: 7,832,197 km (0.113 R)
• M28: 8,252,267 km (0.083 R)
• M29: 8,787,678 km (0.082 R)
• M30: 9,187,553 km (0.059 R)
• M31: 9,408,210 km (0.114 R)
• M32: 10,346,488 km (0.084 R)
• M33: 11,353,730 km (0.066 R)
• M34: 11,709,773 km (0.041 R)
• M35: 11,949,130 km (0.105 R)
• M36: 12,881,723 km (0.087 R)
• M37: 13,294,613 km (0.089 R)
• M38: 13,711,692 km (0.087 R)
• M39: 14,133,259 km (0.114 R)
• M40: 14,816,472 km (0.097 R)
• M41: 15,773,599 km (0.11 R)
• M42: 15,993,957 km (0.08 R)
• M43: 17,291,868 km (0.115 R)
• M44: 17,610,213 km (0.055 R)
• M45: 17,838,798 km (0.088 R)
• M46: 17,976,428 km (0.047 R)
• M47: 18,345,187 km (0.107 R)
• M48: 18,576,914 km (0.078 R)
• M49: 18,716,489 km (0.048 R)
• M50: 18,949,712 km (0.11 R)
• M51: 19,183,982 km (0.076 R)
• M52: 19,419,300 km (0.091 R)
• M53: 19,702,788 km (0.096 R)
• M54: 19,987,772 km (0.114 R)
• M55: 20,947,442 km (0.108 R)
• M56: 22,316,113 km (0.096 R)
• M57: 22,762,064 km (0.117 R)
• M58: 23,111,076 km (0.099 R)
• M59: 23,311,238 km (0.071 R)
• M60: 23,512,148 km (0.082 R)
• M61: 23,713,506 km (0.102 R)
• M62: 24,168,583 km (0.102 R)
• M63: 25,087,713 km (0.036 R)
• M64: 25,758,509 km (0.081 R)
• M65: 27,700,140 km (0.098 R)
• M66: 30,015,167 km (0.085 R)
• M67: 30,397,988 km (0.094 R)
• M68: 31,555,876 km (0.064 R)
• M69: 31,722,378 km (0.094 R)
• M70: 32,391,679 km (0.113 R)
• M71: 33,009,369 km (0.114 R)
• M72: 33,178,414 km (0.094 R)
• M73: 33,404,457 km (0.071 R)
• M74: 33,630,798 km (0.109 R)
• M75: 34,656,292 km (0.064 R)
• M76: 35,115,258 km (0.067 R)
• M77: 35,807,597 km (0.097 R)
• M78: 36,504,424 km (0.117 R)
• M79: 37,323,023 km (0.079 R)
• M80: 37,734,567 km (0.115 R)
• M81: 38,029,424 km (0.057 R)
• M82: 38,147,607 km (0.091 R)
• M83: 38,325,179 km (0.066 R)
• M84: 39,515,530 km (0.1 R)
• M85: 39,815,024 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.2

Radius: 12.1

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 8.46 AU - 13.74 AU

Year: 14160 Days

Day: 14.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 85,092,947 km

• M1: 190,438 km (0.09 R)
• M2: 301,440 km (0.12 R)
• M3: 403,765 km (0.072 R)
• M4: 558,898 km (0.117 R)
• M5: 757,863 km (0.099 R)
• M6: 981,661 km (0.076 R)
• M7: 1,077,553 km (0.113 R)
• M8: 1,227,600 km (0.1 R)
• M9: 1,959,134 km (0.101 R)
• M10: 2,176,649 km (0.091 R)
• M11: 2,435,154 km (0.09 R)
• M12: 3,124,950 km (0.065 R)
• M13: 3,343,512 km (0.039 R)
• M14: 4,029,119 km (0.096 R)
• M15: 4,147,601 km (0.11 R)
• M16: 6,061,556 km (0.09 R)
• M17: 7,179,800 km (0.081 R)
• M18: 7,469,422 km (0.093 R)
• M19: 7,861,368 km (0.09 R)
• M20: 8,563,730 km (0.078 R)
• M21: 8,665,606 km (0.114 R)
• M22: 9,285,989 km (0.083 R)
• M23: 9,496,024 km (0.114 R)
• M24: 9,601,640 km (0.094 R)
• M25: 10,081,700 km (0.107 R)
• M26: 10,733,946 km (0.11 R)
• M27: 10,954,454 km (0.1 R)
• M28: 11,065,306 km (0.102 R)
• M29: 11,232,257 km (0.118 R)
• M30: 11,399,956 km (0.092 R)
• M31: 11,681,350 km (0.098 R)
• M32: 13,064,232 km (0.1 R)
• M33: 14,803,457 km (0.12 R)
• M34: 14,925,978 km (0.061 R)
• M35: 15,731,263 km (0.092 R)
• M36: 15,981,989 km (0.082 R)
• M37: 16,107,801 km (0.113 R)
• M38: 17,773,125 km (0.096 R)
• M39: 18,758,675 km (0.077 R)
• M40: 19,425,732 km (0.11 R)
• M41: 19,897,115 km (0.091 R)
• M42: 20,168,336 km (0.111 R)
• M43: 20,714,219 km (0.053 R)
• M44: 21,126,810 km (0.109 R)
• M45: 21,265,038 km (0.112 R)
• M46: 21,750,932 km (0.118 R)
• M47: 22,310,727 km (0.116 R)
• M48: 22,875,310 km (0.103 R)
• M49: 23,159,396 km (0.087 R)
• M50: 24,235,005 km (0.094 R)
• M51: 24,742,590 km (0.119 R)
• M52: 26,509,191 km (0.081 R)
• M53: 27,182,232 km (0.113 R)
• M54: 28,468,624 km (0.054 R)
• M55: 28,544,919 km (0.09 R)
• M56: 28,774,253 km (0.084 R)
• M57: 30,162,820 km (0.105 R)
• M58: 30,474,433 km (0.08 R)
• M59: 31,494,241 km (0.064 R)
• M60: 33,728,785 km (0.086 R)
• M61: 37,676,822 km (0.103 R)
• M62: 38,686,458 km (0.105 R)
• M63: 39,961,032 km (0.099 R)
• M64: 41,422,154 km (0.118 R)
• M65: 44,573,583 km (0.058 R)
• M66: 46,267,779 km (0.078 R)
• M67: 46,357,538 km (0.046 R)
• M68: 46,537,205 km (0.116 R)
• M69: 47,167,909 km (0.104 R)
• M70: 47,529,637 km (0.097 R)
• M71: 49,260,185 km (0.065 R)
• M72: 51,661,530 km (0.109 R)
• M73: 54,289,965 km (0.09 R)
• M74: 54,953,731 km (0.076 R)
• M75: 55,048,875 km (0.086 R)
• M76: 55,239,163 km (0.085 R)
• M77: 55,620,339 km (0.104 R)
• M78: 58,604,517 km (0.115 R)
• M79: 60,557,218 km (0.091 R)
• M80: 61,640,307 km (0.063 R)
• M81: 62,531,162 km (0.062 R)
• M82: 64,025,495 km (0.117 R)
• M83: 66,744,736 km (0.067 R)
• M84: 66,947,740 km (0.111 R)
• M85: 67,557,650 km (0.097 R)
• M86: 67,965,454 km (0.109 R)
• M87: 68,067,480 km (0.041 R)
• M88: 68,169,655 km (0.104 R)

Asteroid Belt

Center: 13.43 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 15.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 125

Radius: 7.5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 15.28 AU - 16.22 AU

Year: 23933 Days

Day: 17.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 85,092,947 km

• M1: 128,056 km (0.091 R)
• M2: 220,358 km (0.083 R)
• M3: 511,176 km (0.114 R)
• M4: 806,781 km (0.104 R)
• M5: 935,286 km (0.071 R)
• M6: 1,382,434 km (0.076 R)
• M7: 1,514,828 km (0.066 R)
• M8: 1,840,503 km (0.087 R)
• M9: 1,913,058 km (0.116 R)
• M10: 2,086,292 km (0.1 R)
• M11: 2,421,690 km (0.082 R)
• M12: 2,746,318 km (0.118 R)
• M13: 2,970,415 km (0.086 R)
• M14: 3,258,990 km (0.086 R)
• M15: 3,406,643 km (0.062 R)
• M16: 3,831,949 km (0.104 R)
• M17: 3,987,980 km (0.083 R)
• M18: 4,765,590 km (0.044 R)
• M19: 5,413,797 km (0.085 R)
• M20: 5,909,116 km (0.103 R)
• M21: 6,053,328 km (0.109 R)
• M22: 6,198,588 km (0.055 R)
• M23: 6,716,496 km (0.075 R)
• M24: 7,714,762 km (0.048 R)
• M25: 8,031,162 km (0.078 R)
• M26: 8,311,508 km (0.111 R)
• M27: 8,717,666 km (0.095 R)
• M28: 9,507,094 km (0.075 R)
• M29: 11,918,163 km (0.105 R)
• M30: 12,100,523 km (0.071 R)
• M31: 12,468,085 km (0.083 R)
• M32: 12,653,287 km (0.11 R)
• M33: 13,026,235 km (0.038 R)
• M34: 13,167,156 km (0.106 R)
• M35: 13,261,253 km (0.049 R)
• M36: 13,592,612 km (0.103 R)
• M37: 14,360,348 km (0.091 R)
• M38: 14,798,221 km (0.026 R)
• M39: 15,240,582 km (0.115 R)
• M40: 15,537,983 km (0.091 R)
• M41: 15,637,465 km (0.11 R)
• M42: 15,737,247 km (0.082 R)
• M43: 16,899,473 km (0.098 R)
• M44: 17,413,491 km (0.117 R)
• M45: 18,667,720 km (0.113 R)
• M46: 19,039,022 km (0.064 R)
• M47: 19,092,279 km (0.12 R)
• M48: 19,896,816 km (0.098 R)
• M49: 20,276,196 km (0.064 R)
• M50: 20,712,573 km (0.071 R)
• M51: 21,928,505 km (0.106 R)
• M52: 22,432,500 km (0.042 R)
• M53: 23,110,627 km (0.101 R)
• M54: 23,281,169 km (0.098 R)
• M55: 24,602,716 km (0.08 R)
• M56: 24,776,848 km (0.057 R)
• M57: 25,653,940 km (0.07 R)
• M58: 28,223,733 km (0.098 R)
• M59: 29,016,751 km (0.048 R)
• M60: 30,002,751 km (0.088 R)
• M61: 31,187,715 km (0.097 R)
• M62: 31,439,189 km (0.107 R)
• M63: 32,388,089 km (0.112 R)
• M64: 33,025,824 km (0.103 R)
• M65: 33,346,263 km (0.079 R)
• M66: 33,732,225 km (0.105 R)
• M67: 34,119,684 km (0.069 R)
• M68: 34,378,787 km (0.111 R)
• M69: 35,094,613 km (0.087 R)
• M70: 36,540,925 km (0.072 R)
• M71: 36,673,469 km (0.06 R)
• M72: 37,404,853 km (0.084 R)
• M73: 37,605,165 km (0.109 R)
• M74: 39,491,743 km (0.081 R)
• M75: 40,789,355 km (0.095 R)
• M76: 41,270,911 km (0.084 R)
• M77: 42,657,384 km (0.084 R)
• M78: 42,796,809 km (0.12 R)
• M79: 43,918,045 km (0.056 R)
• M80: 44,623,848 km (0.116 R)
• M81: 44,694,608 km (0.072 R)
• M82: 46,118,032 km (0.106 R)
• M83: 46,907,160 km (0.096 R)
• M84: 47,195,286 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 452

Radius: 5.1

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 16.46 AU - 19.44 AU

Year: 29118 Days

Day: 17.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 85,092,947 km

• M1: 71,059 km (0.044 R)
• M2: 175,179 km (0.114 R)
• M3: 235,467 km (0.04 R)
• M4: 322,234 km (0.108 R)
• M5: 1,100,891 km (0.071 R)
• M6: 1,190,201 km (0.103 R)
• M7: 1,706,164 km (0.063 R)
• M8: 2,436,201 km (0.113 R)
• M9: 3,776,299 km (0.069 R)
• M10: 3,911,835 km (0.117 R)
• M11: 4,661,470 km (0.061 R)
• M12: 5,762,360 km (0.103 R)
• M13: 6,288,197 km (0.097 R)
• M14: 6,341,603 km (0.04 R)
• M15: 6,395,309 km (0.095 R)
• M16: 6,774,540 km (0.05 R)
• M17: 7,329,099 km (0.075 R)
• M18: 7,840,424 km (0.09 R)
• M19: 8,363,269 km (0.076 R)
• M20: 8,897,483 km (0.09 R)
• M21: 9,077,898 km (0.108 R)
• M22: 9,750,041 km (0.082 R)
• M23: 9,811,975 km (0.099 R)
• M24: 10,438,042 km (0.073 R)
• M25: 11,206,376 km (0.076 R)
• M26: 12,125,506 km (0.094 R)
• M27: 13,068,720 km (0.091 R)
• M28: 14,739,579 km (0.113 R)
• M29: 14,881,847 km (0.116 R)
• M30: 15,167,728 km (0.083 R)
• M31: 15,599,916 km (0.029 R)
• M32: 16,402,808 km (0.119 R)
• M33: 16,624,063 km (0.085 R)
• M34: 16,920,716 km (0.105 R)
• M35: 17,293,963 km (0.092 R)
• M36: 20,138,865 km (0.101 R)
• M37: 23,955,556 km (0.119 R)
• M38: 25,049,864 km (0.092 R)
• M39: 25,304,629 km (0.105 R)
• M40: 25,389,751 km (0.056 R)
• M41: 27,025,304 km (0.081 R)
• M42: 32,131,678 km (0.109 R)
• M43: 32,316,132 km (0.083 R)
• M44: 32,593,486 km (0.087 R)
• M45: 33,617,334 km (0.091 R)
• M46: 33,804,631 km (0.113 R)
• M47: 34,180,271 km (0.1 R)
• M48: 34,368,465 km (0.089 R)
• M49: 34,840,895 km (0.056 R)
• M50: 35,125,281 km (0.07 R)
• M51: 35,220,275 km (0.047 R)
• M52: 36,270,602 km (0.111 R)
• M53: 36,655,069 km (0.11 R)
• M54: 38,109,010 km (0.116 R)
• M55: 40,275,188 km (0.067 R)
• M56: 41,674,376 km (0.086 R)
• M57: 43,905,030 km (0.039 R)
• M58: 45,034,793 km (0.099 R)
• M59: 49,648,691 km (0.115 R)
• M60: 49,755,354 km (0.114 R)
• M61: 50,932,839 km (0.114 R)
• M62: 51,040,400 km (0.075 R)
• M63: 51,795,121 km (0.031 R)
• M64: 52,011,440 km (0.064 R)
• M65: 52,119,599 km (0.047 R)
• M66: 53,424,691 km (0.119 R)
• M67: 54,850,508 km (0.062 R)
• M68: 55,071,015 km (0.116 R)
• M69: 57,180,046 km (0.085 R)
• M70: 58,188,336 km (0.076 R)
• M71: 58,750,973 km (0.082 R)
• M72: 59,202,460 km (0.079 R)
• M73: 59,541,748 km (0.088 R)
• M74: 60,222,418 km (0.093 R)
• M75: 62,624,810 km (0.116 R)
• M76: 62,855,191 km (0.05 R)
• M77: 63,663,917 km (0.092 R)
• M78: 64,243,758 km (0.071 R)
• M79: 67,758,860 km (0.094 R)
• M80: 68,350,818 km (0.098 R)
• M81: 68,825,492 km (0.074 R)
• M82: 69,897,810 km (0.057 R)
• M83: 71,095,640 km (0.069 R)
• M84: 73,026,201 km (0.111 R)
• M85: 75,096,336 km (0.068 R)
• M86: 75,708,790 km (0.05 R)
• M87: 75,954,280 km (0.081 R)
• M88: 77,927,476 km (0.047 R)
• M89: 78,175,359 km (0.04 R)
• M90: 78,547,559 km (0.065 R)
• M91: 80,292,618 km (0.079 R)
• M92: 82,681,098 km (0.061 R)
• M93: 85,092,914 km (0.071 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 507 - 13,212 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit