C/2008 N1 (Holmes)
Orbital Elements
The following orbital elements are taken from MPC 65935:C/2008 N1 (Holmes) Epoch 2009 Sept. 6.0 TT = JDT 2455080.5 T 2009 Sept. 25.8889 TT MPC q 2.783591 (2000.0) P Q z +0.001010 Peri. 100.8147 -0.2061137 -0.9777183 +/-0.000002 Node 357.4723 -0.7328828 +0.1811941 e 0.997189 Incl. 115.5205 +0.6483825 -0.1059977 From 491 observations 2008 July 1-2009 Apr. 24, mean residual 0".5.Elements are also available for the current standard epoch:
C/2008 N1 (Holmes) Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2009 Sept. 25.8756 TT MPC q 2.783626 (2000.0) P Q z +0.001021 Peri. 100.8103 -0.2060414 -0.9777334 +/-0.000002 Node 357.4721 -0.7328952 +0.1811424 e 0.997157 Incl. 115.5204 +0.6483915 -0.1059470An explanation of the orbital elements is available.
These orbital elements are also available in forms suitable for loading into a number of popular planetarium-type software programs.
Ephemeris
The following ephemeris is at intervals of five days. A daily ephemeris covering the same time interval is also available.Personalized ephemerides for this (and other) objects may be generated using the Minor Planet & Comet Ephemeris Service.
Recent magnitude estimates for this comet (as reported to the ICQ) may be available.
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2009 06 08 20 56.99 +51 45.8 2.829 3.002 89.8 19.8 16.0 2009 06 13 20 42.91 +53 44.9 2.769 2.983 92.1 19.9 16.0 2009 06 18 20 26.12 +55 35.1 2.716 2.966 94.0 20.0 15.9 2009 06 23 20 06.47 +57 11.9 2.671 2.948 95.5 20.1 15.8 2009 06 28 19 44.02 +58 30.4 2.635 2.932 96.7 20.1 15.8 2009 07 03 19 19.15 +59 25.6 2.607 2.917 97.4 20.2 15.7 2009 07 08 18 52.62 +59 53.7 2.588 2.902 97.5 20.3 15.7 2009 07 13 18 25.52 +59 52.5 2.578 2.888 97.2 20.4 15.7 2009 07 18 17 59.03 +59 21.9 2.577 2.875 96.4 20.6 15.6 2009 07 23 17 34.24 +58 24.4 2.586 2.862 95.2 20.7 15.6 2009 07 28 17 11.89 +57 03.8 2.602 2.851 93.5 20.8 15.6 2009 08 02 16 52.35 +55 25.3 2.627 2.840 91.5 20.9 15.6 2009 08 07 16 35.66 +53 33.9 2.658 2.830 89.1 21.0 15.6 2009 08 12 16 21.65 +51 34.1 2.696 2.822 86.5 21.0 15.7 2009 08 17 16 10.04 +49 29.8 2.739 2.814 83.7 21.0 15.7 2009 08 22 16 00.54 +47 23.9 2.787 2.807 80.7 20.8 15.7 2009 08 27 15 52.85 +45 19.0 2.838 2.801 77.6 20.6 15.7 2009 09 01 15 46.70 +43 16.9 2.891 2.795 74.5 20.4 15.8 2009 09 06 15 41.83 +41 18.7 2.946 2.791 71.3 20.0 15.8 2009 09 11 15 38.06 +39 25.3 3.002 2.788 68.1 19.6 15.8 2009 09 16 15 35.20 +37 37.3 3.058 2.785 65.0 19.1 15.9 2009 09 21 15 33.13 +35 54.9 3.113 2.784 61.9 18.5 15.9 2009 09 26 15 31.71 +34 18.5 3.166 2.784 58.9 18.0 15.9 2009 10 01 15 30.85 +32 47.9 3.217 2.784 56.0 17.4 16.0 2009 10 06 15 30.45 +31 23.2 3.265 2.786 53.3 16.7 16.0 2009 10 11 15 30.43 +30 04.3 3.309 2.788 50.8 16.1 16.1 2009 10 16 15 30.75 +28 51.1 3.350 2.791 48.5 15.5 16.1 2009 10 21 15 31.34 +27 43.4 3.386 2.796 46.5 15.0 16.1 2009 10 26 15 32.14 +26 41.1 3.417 2.801 44.8 14.5 16.1 2009 10 31 15 33.11 +25 44.1 3.443 2.807 43.5 14.1 16.2 2009 11 05 15 34.21 +24 52.2 3.463 2.814 42.5 13.8 16.2 2009 11 10 15 35.40 +24 05.3 3.478 2.822 42.0 13.6 16.2 2009 11 15 15 36.65 +23 23.4 3.488 2.831 42.0 13.5 16.2 2009 11 20 15 37.91 +22 46.3 3.491 2.841 42.4 13.6 16.2 2009 11 25 15 39.16 +22 14.1 3.488 2.851 43.3 13.7 16.3 2009 11 30 15 40.35 +21 46.6 3.479 2.863 44.7 14.0 16.3 2009 12 05 15 41.44 +21 23.7 3.464 2.875 46.4 14.4 16.3 2009 12 10 15 42.42 +21 05.6 3.443 2.888 48.6 14.8 16.3 2009 12 15 15 43.23 +20 52.1 3.417 2.902 51.2 15.3 16.3 2009 12 20 15 43.83 +20 43.3 3.384 2.917 54.0 15.8 16.3 2009 12 25 15 44.18 +20 39.2 3.347 2.933 57.2 16.4 16.3 2009 12 30 15 44.23 +20 39.9 3.304 2.949 60.6 16.9 16.3 2010 01 04 15 43.94 +20 45.2 3.257 2.966 64.3 17.4 16.3 2010 01 09 15 43.26 +20 55.2 3.206 2.984 68.2 17.8 16.3 2010 01 14 15 42.11 +21 10.0 3.152 3.003 72.3 18.2 16.3 2010 01 19 15 40.45 +21 29.5 3.094 3.022 76.6 18.5 16.3 2010 01 24 15 38.20 +21 53.5 3.034 3.042 81.1 18.6 16.2 2010 01 29 15 35.29 +22 21.8 2.973 3.063 85.8 18.7 16.2 2010 02 03 15 31.66 +22 54.3 2.911 3.084 90.6 18.6 16.2 2010 02 08 15 27.22 +23 30.5 2.850 3.106 95.6 18.4 16.2 2010 02 13 15 21.91 +24 10.0 2.790 3.128 100.7 18.1 16.2 2010 02 18 15 15.65 +24 51.9 2.733 3.151 106.0 17.5 16.2 2010 02 23 15 08.39 +25 35.2 2.679 3.175 111.3 16.9 16.2 2010 02 28 15 00.09 +26 18.8 2.631 3.199 116.6 16.1 16.2 2010 03 05 14 50.74 +27 01.3 2.588 3.224 121.9 15.1 16.1 2010 03 10 14 40.38 +27 41.0 2.553 3.249 127.0 14.1 16.2 2010 03 15 14 29.07 +28 16.3 2.527 3.275 131.8 13.1 16.2 2010 03 20 14 16.93 +28 45.2 2.511 3.301 136.1 12.1 16.2 2010 03 25 14 04.15 +29 06.2 2.504 3.328 139.7 11.2 16.2 2010 03 30 13 50.96 +29 17.9 2.510 3.355 142.2 10.5 16.3 2010 04 04 13 37.60 +29 19.6 2.527 3.383 143.4 10.1 16.3 2010 04 09 13 24.34 +29 11.0 2.555 3.411 143.2 10.1 16.4 2010 04 14 13 11.45 +28 52.2 2.595 3.439 141.7 10.4 16.4 2010 04 19 12 59.15 +28 24.0 2.647 3.468 138.9 11.0 16.5 2010 04 24 12 47.62 +27 47.5 2.710 3.497 135.3 11.7 16.6 2010 04 29 12 37.01 +27 04.0 2.782 3.526 131.1 12.4 16.7 2010 05 04 12 27.38 +26 15.0 2.863 3.556 126.5 13.2 16.8 2010 05 09 12 18.76 +25 21.8 2.952 3.586 121.6 13.9 16.9 2010 05 14 12 11.16 +24 25.6 3.049 3.617 116.7 14.5 17.0 2010 05 19 12 04.54 +23 27.5 3.151 3.648 111.7 14.9 17.1 2010 05 24 11 58.85 +22 28.2 3.259 3.679 106.7 15.3 17.2 2010 05 29 11 54.02 +21 28.7 3.370 3.710 101.7 15.5 17.3 2010 06 03 11 50.00 +20 29.2 3.484 3.742 96.8 15.6 17.4 2010 06 08 11 46.69 +19 30.3 3.601 3.774 91.9 15.6 17.5 2010 06 13 11 44.05 +18 32.2 3.718 3.806 87.2 15.5 17.7 2010 06 18 11 42.01 +17 35.0 3.837 3.838 82.5 15.2 17.8 2010 06 23 11 40.50 +16 38.8 3.955 3.871 77.9 14.9 17.9 2010 06 28 11 39.46 +15 43.9 4.072 3.904 73.3 14.4 18.0 2010 07 03 11 38.84 +14 50.0 4.188 3.937 68.8 13.9 18.1 2010 07 08 11 38.61 +13 57.3 4.302 3.970 64.4 13.4 18.2 2010 07 13 11 38.70 +13 05.7 4.414 4.003 60.0 12.7 18.2
