Comet 320P/McNaught makes its closest approach (71.4 LD, 0.1835 AU) travelling at 16.28 km/second, to the Earth-Moon system on the 5th September 2015 @ 12:05 UT ±00:01.
Ephemeris
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 09 01 16 03 41.3 -12 50 58 0.2843 1.0169 83.4 80.4 15.8 2015 09 02 16 11 54.1 -12 45 32 0.2809 1.0209 84.4 79.7 15.8 2015 09 03 16 20 18.5 -12 39 01 0.2777 1.0252 85.5 78.8 15.8 2015 09 04 16 28 54.2 -12 31 22 0.2749 1.0295 86.6 78.0 15.8 2015 09 05 16 37 40.3 -12 22 32 0.2723 1.0341 87.7 77.0 15.8 2015 09 06 16 46 36.2 -12 12 30 0.2701 1.0388 88.9 76.0 15.8 2015 09 07 16 55 40.9 -12 01 15 0.2682 1.0437 90.1 75.0 15.8 2015 09 08 17 04 53.3 -11 48 47 0.2666 1.0487 91.4 73.9 15.8 2015 09 09 17 14 12.4 -11 35 06 0.2654 1.0539 92.7 72.7 15.8 2015 09 10 17 23 36.8 -11 20 14 0.2646 1.0592 94.0 71.5 15.9 2015 09 11 17 33 05.2 -11 04 12 0.2642 1.0647 95.4 70.3 15.9 2015 09 12 17 42 36.1 -10 47 04 0.2641 1.0703 96.7 69.1 15.9 2015 09 13 17 52 08.0 -10 28 54 0.2644 1.0760 98.1 67.8 15.9 2015 09 14 18 01 39.3 -10 09 46 0.2651 1.0819 99.5 66.5 16.0 2015 09 15 18 11 08.6 -09 49 46 0.2662 1.0880 100.9 65.2 16.0 2015 09 16 18 20 34.4 -09 29 01 0.2677 1.0941 102.2 63.9 16.0 2015 09 17 18 29 55.3 -09 07 36 0.2696 1.1004 103.6 62.6 16.1 2015 09 18 18 39 09.9 -08 45 39 0.2720 1.1068 104.9 61.3 16.1 2015 09 19 18 48 16.9 -08 23 16 0.2747 1.1133 106.3 60.0 16.2 2015 09 20 18 57 15.2 -08 00 35 0.2778 1.1199 107.5 58.8 16.2 2015 09 21 19 06 03.8 -07 37 42 0.2812 1.1267 108.8 57.5 16.3 2015 09 22 19 14 41.8 -07 14 43 0.2851 1.1335 110.0 56.3 16.3 2015 09 23 19 23 08.5 -06 51 46 0.2894 1.1405 111.2 55.2 16.4 2015 09 24 19 31 23.3 -06 28 55 0.2940 1.1475 112.3 54.0 16.4 2015 09 25 19 39 25.6 -06 06 17 0.2989 1.1547 113.4 52.9 16.5 2015 09 26 19 47 15.2 -05 43 54 0.3042 1.1619 114.4 51.8 16.6 2015 09 27 19 54 51.8 -05 21 53 0.3099 1.1693 115.4 50.8 16.6 2015 09 28 20 02 15.3 -05 00 15 0.3159 1.1767 116.3 49.8 16.7 2015 09 29 20 09 25.7 -04 39 04 0.3222 1.1842 117.2 48.8 16.8 2015 09 30 20 16 23.0 -04 18 22 0.3288 1.1918 118.0 47.9 16.8
Comet 320P/McNaught is at Perihelion (0.977 AU) in the constellation Virgo on the 7th August 2015.
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 08 05 13 31 43.3 -11 25 41 0.4325 0.9824 73.4 81.7 16.6 2015 08 06 13 35 29.7 -11 32 26 0.4263 0.9809 73.3 82.1 16.6 2015 08 07 13 39 22.1 -11 39 06 0.4201 0.9797 73.3 82.5 16.5 2015 08 08 13 43 20.7 -11 45 41 0.4138 0.9787 73.3 82.9 16.5 2015 08 09 13 47 25.9 -11 52 09 0.4076 0.9779 73.3 83.2 16.5 2015 08 10 13 51 37.9 -11 58 30 0.4014 0.9773 73.3 83.5 16.4 2015 08 11 13 55 57.0 -12 04 42 0.3952 0.9770 73.4 83.8 16.4 2015 08 12 14 00 23.5 -12 10 45 0.3890 0.9768 73.5 84.1 16.3 2015 08 13 14 04 57.8 -12 16 37 0.3828 0.9768 73.6 84.3 16.3 2015 08 14 14 09 40.1 -12 22 17 0.3767 0.9771 73.7 84.5 16.3 2015 08 15 14 14 30.7 -12 27 43 0.3707 0.9776 73.9 84.7 16.2 2015 08 16 14 19 30.2 -12 32 54 0.3647 0.9783 74.2 84.8 16.2 2015 08 17 14 24 38.7 -12 37 49 0.3587 0.9792 74.4 84.9 16.2 2015 08 18 14 29 56.7 -12 42 25 0.3528 0.9803 74.7 85.0 16.2 2015 08 19 14 35 24.5 -12 46 40 0.3470 0.9816 75.0 85.0 16.1 2015 08 20 14 41 02.5 -12 50 32 0.3413 0.9831 75.4 85.0 16.1 2015 08 21 14 46 51.0 -12 54 00 0.3357 0.9848 75.8 84.9 16.1 2015 08 22 14 52 50.5 -12 57 00 0.3303 0.9868 76.3 84.8 16.0 2015 08 23 14 59 01.1 -12 59 31 0.3249 0.9889 76.8 84.6 16.0 2015 08 24 15 05 23.3 -13 01 28 0.3197 0.9913 77.3 84.4 16.0 2015 08 25 15 11 57.4 -13 02 49 0.3146 0.9938 77.9 84.1 16.0 2015 08 26 15 18 43.5 -13 03 32 0.3097 0.9965 78.5 83.7 15.9 2015 08 27 15 25 41.9 -13 03 32 0.3049 0.9995 79.2 83.3 15.9 2015 08 28 15 32 52.8 -13 02 46 0.3004 1.0026 80.0 82.9 15.9 2015 08 29 15 40 16.2 -13 01 11 0.2960 1.0059 80.8 82.4 15.9 2015 08 30 15 47 52.1 -12 58 44 0.2919 1.0094 81.6 81.8 15.9 2015 08 31 15 55 40.5 -12 55 21 0.2879 1.0131 82.5 81.1 15.9
Comet P/2004 R1 (McNaught) is at Opposition (0.940 AU) in the constellation Corvus on the 4th April 2015
Date TT R. A. (2000) Decl. Delta r Elong. Phase Mag 2015 04 01 12 47 03.9 -15 41 58 0.9533 1.9423 168.4 5.9 21.3 2015 04 02 12 45 43.6 -15 38 28 0.9430 1.9333 169.0 5.7 21.2 2015 04 03 12 44 21.6 -15 34 42 0.9330 1.9244 169.4 5.5 21.2 2015 04 04 12 42 57.9 -15 30 38 0.9232 1.9154 169.7 5.3 21.1 2015 04 05 12 41 32.7 -15 26 17 0.9137 1.9064 169.9 5.3 21.1 2015 04 06 12 40 05.9 -15 21 39 0.9044 1.8974 169.8 5.3 21.1 2015 04 07 12 38 37.8 -15 16 44 0.8954 1.8884 169.6 5.5 21.0 2015 04 08 12 37 08.3 -15 11 32 0.8866 1.8794 169.3 5.7 21.0 2015 04 09 12 35 37.6 -15 06 03 0.8780 1.8703 168.7 6.0 20.9 2015 04 10 12 34 05.8 -15 00 18 0.8697 1.8613 168.1 6.4 20.9 2015 04 11 12 32 33.0 -14 54 16 0.8616 1.8522 167.3 6.8 20.9 2015 04 12 12 30 59.3 -14 47 58 0.8538 1.8432 166.5 7.3 20.8 2015 04 13 12 29 24.8 -14 41 24 0.8462 1.8341 165.5 7.9 20.8 2015 04 14 12 27 49.7 -14 34 35 0.8389 1.8250 164.5 8.4 20.7 2015 04 15 12 26 14.0 -14 27 31 0.8317 1.8159 163.5 9.0 20.7 2015 04 16 12 24 38.0 -14 20 12 0.8249 1.8068 162.4 9.7 20.7 2015 04 17 12 23 01.8 -14 12 39 0.8182 1.7977 161.2 10.4 20.6 2015 04 18 12 21 25.4 -14 04 53 0.8118 1.7886 160.0 11.0 20.6 2015 04 19 12 19 49.1 -13 56 55 0.8056 1.7795 158.8 11.8 20.5 2015 04 20 12 18 13.0 -13 48 44 0.7997 1.7703 157.6 12.5 20.5 2015 04 21 12 16 37.2 -13 40 22 0.7940 1.7612 156.4 13.2 20.5 2015 04 22 12 15 01.9 -13 31 50 0.7884 1.7521 155.1 14.0 20.4 2015 04 23 12 13 27.2 -13 23 08 0.7831 1.7429 153.9 14.7 20.4 2015 04 24 12 11 53.3 -13 14 18 0.7780 1.7337 152.6 15.5 20.3 2015 04 25 12 10 20.4 -13 05 19 0.7732 1.7246 151.3 16.2 20.3 2015 04 26 12 08 48.4 -12 56 14 0.7685 1.7154 150.1 17.0 20.3 2015 04 27 12 07 17.7 -12 47 03 0.7640 1.7063 148.8 17.8 20.2 2015 04 28 12 05 48.2 -12 37 46 0.7597 1.6971 147.5 18.6 20.2 2015 04 29 12 04 20.2 -12 28 25 0.7555 1.6879 146.2 19.4 20.2 2015 04 30 12 02 53.7 -12 19 01 0.7516 1.6787 144.9 20.2 20.1
Date TT R. A. (2000) Decl. Delta r Elong. Phase mag2010 02 18 20 46.78 -18 15.2 1.859 0.989 19.9 19.9 19.82010 02 23 21 09.81 -16 20.9 1.866 0.986 19.1 19.2 19.82010 02 28 21 32.17 -14 18.6 1.877 0.988 18.4 18.5 19.8