spat | 1 S | 2 S | 3 S | 4 S | 5 S | 6 S | 7 S | 8 S | 9 S | 10 S | 11 S | 12 S | 13 S | 14 S | 15 S | 16 S | 17 S | 18 S | 19 S | 20 S | 21 S | 22 S | 23 S | 24 S | 25 S | 26 S | 27 S | 28 S | 29 S | 30 S | 31 S | 32 S | 33 S | 34 S | 35 S | 36 S | 37 S | 38 S | 39 S | 40 S | 41 S | 42 S | 43 S | 44 S | 45 S | 46 S | 47 S | 48 S | 49 S | 50 S | 51 S | 52 S | 53 S | 54 S | 55 S | 56 S | 57 S | 58 S | 59 S | 60 S | 61 S | 62 S | 63 S | 64 S | 65 S | 66 S | 67 S | 68 S | 69 S | 70 S | 71 S | 72 S | 73 S | 74 S | 75 S | 76 S | 77 S | 78 S | 79 S | 80 S | 81 S | 82 S | 83 S | 84 S | 85 S | 86 S | 87 S | 88 S | 89 S | 90 S | 91 S | 92 S | 93 S | 94 S | 95 S | 96 S | 97 S | 98 S | 99 S | 100 S |
parsec | 3.2407792894444 × 10-5 pc | 6.4815585788887 × 10-5 pc | 9.7223378683331 × 10-5 pc | 0.0001296 pc | 0.0001620 pc | 0.0001944 pc | 0.0002269 pc | 0.0002593 pc | 0.0002917 pc | 0.0003241 pc | 0.0003565 pc | 0.0003889 pc | 0.0004213 pc | 0.0004537 pc | 0.0004861 pc | 0.0005185 pc | 0.0005509 pc | 0.0005833 pc | 0.0006157 pc | 0.0006482 pc | 0.0006806 pc | 0.0007130 pc | 0.0007454 pc | 0.0007778 pc | 0.0008102 pc | 0.0008426 pc | 0.0008750 pc | 0.0009074 pc | 0.0009398 pc | 0.0009722 pc | 0.0010046 pc | 0.0010370 pc | 0.0010695 pc | 0.0011019 pc | 0.0011343 pc | 0.0011667 pc | 0.0011991 pc | 0.0012315 pc | 0.0012639 pc | 0.0012963 pc | 0.0013287 pc | 0.0013611 pc | 0.0013935 pc | 0.0014259 pc | 0.0014584 pc | 0.0014908 pc | 0.0015232 pc | 0.0015556 pc | 0.0015880 pc | 0.0016204 pc | 0.0016528 pc | 0.0016852 pc | 0.0017176 pc | 0.0017500 pc | 0.0017824 pc | 0.0018148 pc | 0.0018472 pc | 0.0018797 pc | 0.0019121 pc | 0.0019445 pc | 0.0019769 pc | 0.0020093 pc | 0.0020417 pc | 0.0020741 pc | 0.0021065 pc | 0.0021389 pc | 0.0021713 pc | 0.0022037 pc | 0.0022361 pc | 0.0022685 pc | 0.0023010 pc | 0.0023334 pc | 0.0023658 pc | 0.0023982 pc | 0.0024306 pc | 0.0024630 pc | 0.0024954 pc | 0.0025278 pc | 0.0025602 pc | 0.0025926 pc | 0.0026250 pc | 0.0026574 pc | 0.0026898 pc | 0.0027223 pc | 0.0027547 pc | 0.0027871 pc | 0.0028195 pc | 0.0028519 pc | 0.0028843 pc | 0.0029167 pc | 0.0029491 pc | 0.0029815 pc | 0.0030139 pc | 0.0030463 pc | 0.0030787 pc | 0.0031111 pc | 0.0031436 pc | 0.0031760 pc | 0.0032084 pc | 0.0032408 pc |
The spat (symbol S) is also an obsolete unit of distance used in astronomy. It is equal to 1000000000 kilometres (1 Tm or 1012 m). It is about 6.6846 astronomical units (AU), 1.057×10−4 light-years or3.240×10−5 parsecs.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
spat | S | ≡ 1×1012 m | ≡ 1×1012 m | Science - Astronomy (Length) |
spats | parsecs | spats | parsecs |
---|---|---|---|
1 | ≈ 3.2407792894444E-5 | 4 | ≈ 0.00012963117157777 |
1.5 | ≈ 4.8611689341665E-5 | 4.5 | ≈ 0.000145835068025 |
2 | ≈ 6.4815585788887E-5 | 5 | ≈ 0.00016203896447222 |
2.5 | ≈ 8.1019482236109E-5 | 5.5 | ≈ 0.00017824286091944 |
3 | ≈ 9.7223378683331E-5 | 6 | ≈ 0.00019444675736666 |
The parsec (symbol: pc) is a unit of length used to measure large distances to astronomical objects outside the Solar System.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
parsec | pc | Distant point with a parallax shift of one arc second from a base of one astronomical unit. | ≈ 30 856 775 814 913 700 m | Science - Astronomy (Length) |
parsecs | spats | parsecs | spats |
---|---|---|---|
1 | ≈ 30856.775814914 | 4 | ≈ 123427.10325965 |
1.5 | ≈ 46285.163722371 | 4.5 | ≈ 138855.49116711 |
2 | ≈ 61713.551629827 | 5 | ≈ 154283.87907457 |
2.5 | ≈ 77141.939537284 | 5.5 | ≈ 169712.26698203 |
3 | ≈ 92570.327444741 | 6 | ≈ 185140.65488948 |
spats | parsecs |
---|---|
1 | ≈ 3.2407792894444 × 10-5 |
30,856.7758149 | ≈ 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |