🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.69

Radius: 1.69

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 1.24 AU - 1.46 AU

Year: 556 Days

Day: 28.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 28.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 2.38 AU - 2.46 AU

Year: 1336 Days

Day: 43.3 Hours

Environment

Temp: -65 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.84

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.85 AU - 3.47 AU

Year: 1993 Days

Day: 33.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 12.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.86 AU - 5.66 AU

Year: 3684 Days

Day: 34.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.64 AU - 5.58 AU

Year: 4098 Days

Day: 39.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.7

Radius: 12.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 6.25 AU - 7.51 AU

Year: 6402 Days

Day: 9.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 78,247,010 km

• M1: 231,278 km (0.074 R)
• M2: 323,131 km (0.071 R)
• M3: 475,721 km (0.112 R)
• M4: 665,411 km (0.088 R)
• M5: 891,155 km (0.086 R)
• M6: 1,162,525 km (0.068 R)
• M7: 1,252,284 km (0.108 R)
• M8: 1,375,852 km (0.104 R)
• M9: 1,514,678 km (0.095 R)
• M10: 1,669,512 km (0.11 R)
• M11: 1,888,524 km (0.08 R)
• M12: 2,019,571 km (0.118 R)
• M13: 2,228,559 km (0.117 R)
• M14: 2,667,779 km (0.066 R)
• M15: 2,788,804 km (0.098 R)
• M16: 3,022,176 km (0.12 R)
• M17: 3,148,586 km (0.105 R)
• M18: 4,019,695 km (0.116 R)
• M19: 4,618,834 km (0.099 R)
• M20: 4,813,910 km (0.115 R)
• M21: 4,962,012 km (0.048 R)
• M22: 5,045,039 km (0.076 R)
• M23: 5,246,098 km (0.084 R)
• M24: 5,330,621 km (0.112 R)
• M25: 5,865,134 km (0.114 R)
• M26: 6,272,788 km (0.104 R)
• M27: 6,416,851 km (0.082 R)
• M28: 6,580,062 km (0.09 R)
• M29: 6,781,571 km (0.067 R)
• M30: 7,041,123 km (0.044 R)
• M31: 7,209,570 km (0.098 R)
• M32: 7,360,514 km (0.103 R)
• M33: 8,052,853 km (0.116 R)
• M34: 8,131,093 km (0.036 R)
• M35: 8,486,238 km (0.076 R)
• M36: 9,109,762 km (0.089 R)
• M37: 9,211,788 km (0.094 R)
• M38: 9,314,113 km (0.109 R)
• M39: 9,644,126 km (0.077 R)
• M40: 9,873,459 km (0.086 R)
• M41: 10,020,215 km (0.062 R)
• M42: 11,483,731 km (0.113 R)
• M43: 11,593,985 km (0.086 R)
• M44: 11,793,399 km (0.059 R)
• M45: 11,904,699 km (0.117 R)
• M46: 12,016,299 km (0.109 R)
• M47: 12,262,986 km (0.103 R)
• M48: 12,466,140 km (0.102 R)
• M49: 13,475,327 km (0.102 R)
• M50: 13,966,308 km (0.092 R)
• M51: 14,510,844 km (0.113 R)
• M52: 14,797,623 km (0.089 R)
• M53: 15,255,692 km (0.097 R)
• M54: 15,401,250 km (0.087 R)
• M55: 15,571,642 km (0.063 R)
• M56: 15,693,864 km (0.114 R)
• M57: 15,914,521 km (0.116 R)
• M58: 16,235,109 km (0.063 R)
• M59: 16,483,142 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 758

Radius: 8.8

Gravity: 9.79 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.53 AU - 7.65 AU

Year: 6697 Days

Day: 11.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 78,247,010 km

• M1: 112,797 km (0.084 R)
• M2: 336,296 km (0.067 R)
• M3: 435,180 km (0.08 R)
• M4: 624,422 km (0.115 R)
• M5: 855,849 km (0.105 R)
• M6: 1,270,385 km (0.093 R)
• M7: 1,489,995 km (0.084 R)
• M8: 1,801,906 km (0.11 R)
• M9: 1,883,138 km (0.098 R)
• M10: 2,007,454 km (0.099 R)
• M11: 2,285,855 km (0.105 R)
• M12: 2,374,118 km (0.082 R)
• M13: 2,715,201 km (0.096 R)
• M14: 3,418,311 km (0.103 R)
• M15: 3,751,167 km (0.098 R)
• M16: 4,558,696 km (0.088 R)
• M17: 4,698,570 km (0.096 R)
• M18: 4,783,093 km (0.079 R)
• M19: 4,953,634 km (0.099 R)
• M20: 5,271,829 km (0.086 R)
• M21: 5,330,322 km (0.068 R)
• M22: 5,806,641 km (0.084 R)
• M23: 6,172,707 km (0.096 R)
• M24: 6,389,774 km (0.097 R)
• M25: 6,577,968 km (0.041 R)
• M26: 9,043,939 km (0.119 R)
• M27: 9,468,199 km (0.115 R)
• M28: 9,971,446 km (0.116 R)
• M29: 10,446,569 km (0.1 R)
• M30: 10,631,322 km (0.083 R)
• M31: 11,003,971 km (0.096 R)
• M32: 11,229,564 km (0.075 R)
• M33: 11,305,111 km (0.083 R)
• M34: 11,532,799 km (0.076 R)
• M35: 12,031,409 km (0.051 R)
• M36: 12,497,855 km (0.086 R)
• M37: 12,772,816 km (0.057 R)
• M38: 13,288,480 km (0.101 R)
• M39: 13,448,549 km (0.057 R)
• M40: 14,054,570 km (0.096 R)
• M41: 14,217,632 km (0.095 R)
• M42: 14,299,462 km (0.112 R)
• M43: 14,422,432 km (0.1 R)
• M44: 15,418,753 km (0.088 R)
• M45: 15,882,956 km (0.084 R)
• M46: 16,095,385 km (0.111 R)
• M47: 16,480,300 km (0.089 R)
• M48: 17,128,358 km (0.119 R)
• M49: 17,961,319 km (0.104 R)
• M50: 18,049,881 km (0.1 R)
• M51: 18,405,026 km (0.075 R)
• M52: 18,717,835 km (0.078 R)
• M53: 19,032,290 km (0.113 R)
• M54: 19,439,196 km (0.104 R)
• M55: 19,621,107 km (0.118 R)
• M56: 19,986,276 km (0.058 R)
• M57: 20,492,216 km (0.049 R)
• M58: 20,677,268 km (0.084 R)
• M59: 21,610,609 km (0.093 R)
• M60: 22,224,708 km (0.073 R)
• M61: 22,605,435 km (0.029 R)
• M62: 23,809,100 km (0.106 R)
• M63: 26,027,786 km (0.107 R)
• M64: 26,128,016 km (0.092 R)
• M65: 26,378,892 km (0.066 R)
• M66: 26,529,836 km (0.043 R)
• M67: 27,901,050 km (0.071 R)
• M68: 28,157,461 km (0.109 R)
• M69: 28,363,158 km (0.114 R)
• M70: 28,672,676 km (0.116 R)
• M71: 29,035,301 km (0.106 R)
• M72: 31,615,266 km (0.036 R)
• M73: 31,722,228 km (0.093 R)
• M74: 31,936,303 km (0.077 R)
• M75: 32,150,826 km (0.118 R)
• M76: 32,581,369 km (0.102 R)
• M77: 32,797,388 km (0.057 R)
• M78: 33,448,289 km (0.106 R)
• M79: 34,048,625 km (0.098 R)
• M80: 35,149,217 km (0.081 R)
• M81: 35,315,420 km (0.086 R)
• M82: 36,205,677 km (0.082 R)
• M83: 37,838,238 km (0.062 R)
• M84: 37,951,633 km (0.063 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.1

Radius: 11.8

Gravity: 2.72 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.4 AU - 8.32 AU

Year: 7818 Days

Day: 11.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (74)

Outer Limit: 78,247,010 km

• M1: 158,574 km (0.12 R)
• M2: 529,726 km (0.106 R)
• M3: 635,492 km (0.1 R)
• M4: 789,129 km (0.117 R)
• M5: 913,295 km (0.068 R)
• M6: 1,074,562 km (0.08 R)
• M7: 1,343,239 km (0.106 R)
• M8: 1,759,570 km (0.054 R)
• M9: 2,156,154 km (0.111 R)
• M10: 2,294,682 km (0.107 R)
• M11: 2,771,001 km (0.117 R)
• M12: 3,143,051 km (0.108 R)
• M13: 3,255,549 km (0.076 R)
• M14: 3,369,393 km (0.034 R)
• M15: 3,531,108 km (0.068 R)
• M16: 3,862,318 km (0.085 R)
• M17: 4,080,581 km (0.079 R)
• M18: 4,228,384 km (0.112 R)
• M19: 4,303,033 km (0.099 R)
• M20: 4,967,996 km (0.117 R)
• M21: 5,393,153 km (0.062 R)
• M22: 6,165,676 km (0.114 R)
• M23: 6,307,196 km (0.061 R)
• M24: 6,421,339 km (0.111 R)
• M25: 6,826,001 km (0.098 R)
• M26: 7,966,236 km (0.106 R)
• M27: 8,213,821 km (0.056 R)
• M28: 9,100,188 km (0.075 R)
• M29: 9,326,679 km (0.109 R)
• M30: 9,587,728 km (0.106 R)
• M31: 9,785,047 km (0.084 R)
• M32: 10,250,895 km (0.111 R)
• M33: 11,342,660 km (0.081 R)
• M34: 11,586,355 km (0.047 R)
• M35: 11,796,690 km (0.113 R)
• M36: 12,328,061 km (0.059 R)
• M37: 14,606,437 km (0.095 R)
• M38: 16,457,561 km (0.074 R)
• M39: 17,290,522 km (0.111 R)
• M40: 18,381,539 km (0.066 R)
• M41: 18,627,029 km (0.05 R)
• M42: 18,791,288 km (0.053 R)
• M43: 19,453,258 km (0.041 R)
• M44: 20,714,817 km (0.073 R)
• M45: 22,133,005 km (0.098 R)
• M46: 23,405,036 km (0.088 R)
• M47: 23,671,170 km (0.059 R)
• M48: 23,760,181 km (0.119 R)
• M49: 24,117,122 km (0.067 R)
• M50: 24,206,581 km (0.106 R)
• M51: 24,655,674 km (0.064 R)
• M52: 24,790,910 km (0.107 R)
• M53: 24,971,774 km (0.088 R)
• M54: 25,471,132 km (0.104 R)
• M55: 25,790,673 km (0.103 R)
• M56: 25,882,077 km (0.096 R)
• M57: 26,387,568 km (0.059 R)
• M58: 26,664,474 km (0.081 R)
• M59: 27,174,902 km (0.104 R)
• M60: 27,548,149 km (0.096 R)
• M61: 28,488,671 km (0.114 R)
• M62: 29,153,334 km (0.066 R)
• M63: 30,207,999 km (0.094 R)
• M64: 30,401,130 km (0.095 R)
• M65: 30,788,588 km (0.119 R)
• M66: 31,128,923 km (0.08 R)
• M67: 31,226,461 km (0.113 R)
• M68: 31,323,999 km (0.113 R)
• M69: 31,666,279 km (0.105 R)
• M70: 31,960,687 km (0.113 R)
• M71: 32,552,347 km (0.039 R)
• M72: 32,750,265 km (0.097 R)
• M73: 33,097,781 km (0.083 R)
• M74: 33,296,896 km (0.035 R)

Planet 9 - Ice Giant

Semi-Major Axis: 14.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.9

Radius: 5.9

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 12.95 AU - 15.15 AU

Year: 18683 Days

Day: 18.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 78,247,010 km

• M1: 207,492 km (0.108 R)
• M2: 376,687 km (0.09 R)
• M3: 694,583 km (0.034 R)
• M4: 994,227 km (0.108 R)
• M5: 1,124,527 km (0.051 R)
• M6: 1,450,351 km (0.107 R)
• M7: 1,649,317 km (0.11 R)
• M8: 1,700,329 km (0.107 R)
• M9: 1,856,958 km (0.108 R)
• M10: 2,072,978 km (0.076 R)
• M11: 2,325,648 km (0.1 R)
• M12: 2,707,871 km (0.09 R)
• M13: 2,768,458 km (0.045 R)
• M14: 3,596,183 km (0.098 R)
• M15: 3,865,459 km (0.071 R)
• M16: 4,387,556 km (0.107 R)
• M17: 4,530,572 km (0.098 R)
• M18: 5,768,045 km (0.053 R)
• M19: 5,807,090 km (0.066 R)
• M20: 5,924,674 km (0.063 R)
• M21: 6,003,662 km (0.043 R)
• M22: 6,403,238 km (0.079 R)
• M23: 6,524,861 km (0.064 R)
• M24: 7,186,233 km (0.12 R)
• M25: 8,394,236 km (0.05 R)
• M26: 8,527,378 km (0.107 R)
• M27: 8,571,958 km (0.106 R)
• M28: 8,616,538 km (0.098 R)
• M29: 10,606,788 km (0.12 R)
• M30: 10,798,872 km (0.086 R)
• M31: 11,776,494 km (0.066 R)
• M32: 12,884,266 km (0.113 R)
• M33: 13,192,139 km (0.099 R)
• M34: 13,710,645 km (0.067 R)
• M35: 13,867,423 km (0.1 R)
• M36: 14,130,117 km (0.044 R)
• M37: 14,394,606 km (0.098 R)
• M38: 14,447,714 km (0.095 R)
• M39: 14,607,334 km (0.09 R)
• M40: 15,522,724 km (0.071 R)
• M41: 15,905,096 km (0.088 R)
• M42: 15,959,998 km (0.113 R)
• M43: 17,408,704 km (0.096 R)
• M44: 17,578,647 km (0.05 R)
• M45: 17,806,036 km (0.096 R)
• M46: 20,073,042 km (0.077 R)
• M47: 20,132,283 km (0.045 R)
• M48: 20,191,673 km (0.073 R)
• M49: 20,251,213 km (0.07 R)
• M50: 21,330,861 km (0.092 R)
• M51: 21,999,863 km (0.086 R)
• M52: 22,183,569 km (0.059 R)
• M53: 22,306,239 km (0.061 R)
• M54: 22,861,397 km (0.078 R)
• M55: 24,490,219 km (0.065 R)
• M56: 24,807,665 km (0.108 R)
• M57: 24,871,394 km (0.104 R)
• M58: 25,126,608 km (0.101 R)
• M59: 25,639,579 km (0.113 R)
• M60: 26,026,589 km (0.109 R)
• M61: 26,220,916 km (0.111 R)
• M62: 27,396,456 km (0.067 R)
• M63: 27,594,075 km (0.072 R)
• M64: 27,792,143 km (0.101 R)
• M65: 28,189,624 km (0.034 R)
• M66: 29,124,611 km (0.116 R)
• M67: 29,866,317 km (0.052 R)
• M68: 31,024,803 km (0.065 R)
• M69: 32,406,340 km (0.089 R)
• M70: 34,943,519 km (0.081 R)
• M71: 35,731,302 km (0.103 R)
• M72: 36,670,028 km (0.119 R)
• M73: 36,887,693 km (0.057 R)
• M74: 39,088,876 km (0.117 R)
• M75: 41,483,340 km (0.116 R)
• M76: 41,634,583 km (0.098 R)
• M77: 42,469,489 km (0.101 R)
• M78: 42,698,224 km (0.068 R)
• M79: 45,240,640 km (0.089 R)
• M80: 45,318,431 km (0.107 R)
• M81: 45,942,553 km (0.066 R)
• M82: 47,120,337 km (0.069 R)
• M83: 48,228,558 km (0.061 R)
• M84: 49,425,341 km (0.084 R)
• M85: 50,067,715 km (0.119 R)
• M86: 51,604,234 km (0.12 R)
• M87: 53,814,244 km (0.065 R)
• M88: 54,475,017 km (0.106 R)
• M89: 55,471,190 km (0.073 R)
• M90: 55,637,842 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 683.6

Radius: 6.8

Gravity: 14.78 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 13.01 AU - 17.25 AU

Year: 20878 Days

Day: 22.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 78,247,010 km

• M1: 140,472 km (0.118 R)
• M2: 187,297 km (0.12 R)
• M3: 305,628 km (0.111 R)
• M4: 431,291 km (0.048 R)
• M5: 490,681 km (0.09 R)
• M6: 906,563 km (0.081 R)
• M7: 1,120,338 km (0.12 R)
• M8: 2,230,205 km (0.098 R)
• M9: 2,593,429 km (0.084 R)
• M10: 2,743,924 km (0.118 R)
• M11: 3,212,614 km (0.117 R)
• M12: 3,293,248 km (0.111 R)
• M13: 4,311,261 km (0.109 R)
• M14: 5,275,719 km (0.095 R)
• M15: 5,323,291 km (0.111 R)
• M16: 5,371,012 km (0.096 R)
• M17: 6,866,991 km (0.072 R)
• M18: 7,768,169 km (0.083 R)
• M19: 10,868,136 km (0.116 R)
• M20: 11,851,891 km (0.1 R)
• M21: 11,914,274 km (0.117 R)
• M22: 12,165,149 km (0.082 R)
• M23: 12,417,670 km (0.095 R)
• M24: 12,671,987 km (0.106 R)
• M25: 13,771,830 km (0.117 R)
• M26: 15,786,016 km (0.067 R)
• M27: 17,038,001 km (0.095 R)
• M28: 17,962,067 km (0.064 R)
• M29: 20,081,121 km (0.038 R)
• M30: 21,435,729 km (0.042 R)
• M31: 22,200,922 km (0.11 R)
• M32: 22,355,008 km (0.056 R)
• M33: 22,432,201 km (0.111 R)
• M34: 22,975,091 km (0.087 R)
• M35: 24,232,013 km (0.097 R)
• M36: 26,976,386 km (0.049 R)
• M37: 27,802,166 km (0.055 R)
• M38: 30,842,743 km (0.048 R)
• M39: 31,100,799 km (0.096 R)
• M40: 31,619,156 km (0.078 R)
• M41: 31,705,773 km (0.108 R)
• M42: 34,610,066 km (0.089 R)
• M43: 37,689,987 km (0.115 R)
• M44: 37,965,995 km (0.115 R)
• M45: 38,334,903 km (0.1 R)
• M46: 39,542,308 km (0.063 R)
• M47: 40,479,538 km (0.094 R)
• M48: 40,667,882 km (0.106 R)
• M49: 40,856,375 km (0.114 R)
• M50: 41,899,072 km (0.079 R)
• M51: 44,203,927 km (0.086 R)
• M52: 44,981,387 km (0.103 R)
• M53: 46,451,186 km (0.115 R)
• M54: 47,936,693 km (0.077 R)
• M55: 49,638,967 km (0.077 R)
• M56: 52,383,190 km (0.108 R)
• M57: 52,896,760 km (0.088 R)
• M58: 53,102,607 km (0.1 R)
• M59: 53,515,197 km (0.106 R)
• M60: 53,928,836 km (0.069 R)
• M61: 54,551,312 km (0.113 R)
• M62: 56,327,937 km (0.108 R)
• M63: 56,643,439 km (0.103 R)
• M64: 58,442,203 km (0.103 R)
• M65: 58,655,081 km (0.118 R)
• M66: 59,616,098 km (0.063 R)
• M67: 61,121,352 km (0.095 R)
• M68: 62,421,507 km (0.034 R)
• M69: 63,402,719 km (0.086 R)
• M70: 63,621,431 km (0.11 R)
• M71: 66,376,426 km (0.112 R)
• M72: 67,377,684 km (0.073 R)
• M73: 67,600,884 km (0.096 R)
• M74: 68,159,931 km (0.09 R)
• M75: 69,507,958 km (0.113 R)
• M76: 70,411,529 km (0.033 R)
• M77: 71,091,751 km (0.06 R)
• M78: 73,145,430 km (0.115 R)
• M79: 73,949,369 km (0.114 R)
• M80: 74,640,810 km (0.101 R)
• M81: 74,871,790 km (0.026 R)
• M82: 76,494,926 km (0.081 R)

Kuiper Belt

Range: 30.9 - 50.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 442 - 13,608 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit