MPC
CBAT
ICQ
C/2007 Y2 (McNaught) Epoch 2008 Apr. 4.0 TT = JDT 2454560.5 T 2008 Apr. 8.4041 TT MPC q 4.208900 (2000.0) P Q z +0.000856 Peri. 257.6872 +0.0029355 +0.5649982 +/-0.000038 Node 303.4615 +0.6206575 -0.6479661 e 0.996397 Incl. 98.5029 -0.7840763 -0.5108004 From 63 observations 2007 Dec. 31-2008 Mar. 16, mean residual 0".6.Elements are also available for the current standard epoch:
C/2007 Y2 (McNaught) Epoch 2008 May 14.0 TT = JDT 2454600.5 T 2008 Apr. 8.4077 TT MPC q 4.208901 (2000.0) P Q z +0.000877 Peri. 257.6879 +0.0029415 +0.5650044 +/-0.000038 Node 303.4619 +0.6206501 -0.6479696 e 0.996311 Incl. 98.5030 -0.7840821 -0.5107890An 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.
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 2008 04 14 04 47.59 -45 37.1 4.435 4.209 70.6 13.0 18.5 2008 04 19 04 48.59 -45 20.5 4.454 4.210 69.5 12.9 18.5 2008 04 24 04 49.93 -45 07.4 4.471 4.211 68.7 12.9 18.5 2008 04 29 04 51.58 -44 58.2 4.485 4.212 68.0 12.8 18.5 2008 05 04 04 53.52 -44 52.9 4.497 4.214 67.5 12.8 18.5 2008 05 09 04 55.71 -44 51.7 4.505 4.217 67.2 12.7 18.5 2008 05 14 04 58.12 -44 54.7 4.510 4.219 67.0 12.7 18.5 2008 05 19 05 00.72 -45 02.1 4.512 4.223 67.1 12.8 18.5 2008 05 24 05 03.50 -45 14.0 4.511 4.226 67.4 12.8 18.5 2008 05 29 05 06.42 -45 30.4 4.508 4.230 67.8 12.8 18.5 2008 06 03 05 09.48 -45 51.5 4.501 4.234 68.4 12.9 18.5 2008 06 08 05 12.64 -46 17.4 4.493 4.239 69.2 12.9 18.5 2008 06 13 05 15.89 -46 48.1 4.482 4.244 70.1 13.0 18.5 2008 06 18 05 19.19 -47 23.8 4.469 4.250 71.1 13.1 18.5 2008 06 23 05 22.54 -48 04.4 4.455 4.256 72.2 13.1 18.5 2008 06 28 05 25.91 -48 50.0 4.439 4.262 73.5 13.2 18.5 2008 07 03 05 29.27 -49 40.7 4.422 4.269 74.8 13.3 18.5 2008 07 08 05 32.61 -50 36.5 4.404 4.276 76.2 13.3 18.5 2008 07 13 05 35.88 -51 37.3 4.386 4.284 77.6 13.4 18.5 2008 07 18 05 39.07 -52 43.2 4.367 4.292 79.1 13.4 18.5 2008 07 23 05 42.14 -53 53.9 4.349 4.300 80.5 13.5 18.5 2008 07 28 05 45.05 -55 09.5 4.331 4.309 82.0 13.5 18.5 2008 08 02 05 47.76 -56 29.8 4.315 4.318 83.4 13.5 18.5 2008 08 07 05 50.21 -57 54.6 4.300 4.328 84.8 13.5 18.5 2008 08 12 05 52.34 -59 23.7 4.287 4.337 86.1 13.5 18.5 2008 08 17 05 54.06 -60 56.7 4.276 4.348 87.3 13.5 18.5 2008 08 22 05 55.30 -62 33.2 4.267 4.358 88.4 13.4 18.5 2008 08 27 05 55.92 -64 12.9 4.262 4.369 89.4 13.4 18.6 2008 09 01 05 55.76 -65 55.3 4.260 4.380 90.2 13.3 18.6 2008 09 06 05 54.63 -67 39.6 4.261 4.392 90.8 13.3 18.6 2008 09 11 05 52.25 -69 25.3 4.266 4.404 91.2 13.2 18.6 2008 09 16 05 48.28 -71 11.3 4.275 4.417 91.5 13.2 18.6 2008 09 21 05 42.24 -72 56.6 4.288 4.429 91.5 13.1 18.6 2008 09 26 05 33.46 -74 40.0 4.305 4.442 91.3 13.0 18.6 2008 10 01 05 21.06 -76 19.7 4.326 4.456 90.9 13.0 18.7 2008 10 06 05 03.82 -77 53.3 4.352 4.469 90.2 12.9 18.7 2008 10 11 04 40.31 -79 17.6 4.382 4.483 89.4 12.9 18.7 2008 10 16 04 09.07 -80 28.4 4.415 4.498 88.3 12.8 18.8 2008 10 21 03 29.41 -81 20.4 4.452 4.512 87.1 12.7 18.8 2008 10 26 02 42.91 -81 48.3 4.493 4.527 85.6 12.6 18.8 2008 10 31 01 54.17 -81 48.9 4.538 4.543 84.0 12.6 18.9 2008 11 05 01 09.02 -81 23.4 4.585 4.558 82.3 12.4 18.9 2008 11 10 00 31.39 -80 36.7 4.634 4.574 80.4 12.3 18.9 2008 11 15 00 02.13 -79 35.1 4.686 4.590 78.4 12.2 19.0 2008 11 20 23 40.25 -78 23.8 4.740 4.607 76.3 12.0 19.0 2008 11 25 23 24.25 -77 06.7 4.795 4.623 74.1 11.9 19.1 2008 11 30 23 12.73 -75 46.7 4.851 4.640 71.9 11.7 19.1 2008 12 05 23 04.58 -74 25.5 4.907 4.658 69.7 11.4 19.1 2008 12 10 22 58.96 -73 04.5 4.964 4.675 67.4 11.2 19.2 2008 12 15 22 55.26 -71 44.6 5.020 4.693 65.2 11.0 19.2 2008 12 20 22 53.04 -70 26.3 5.076 4.711 63.0 10.7 19.3 2008 12 25 22 51.96 -69 10.1 5.130 4.730 60.9 10.5 19.3 2008 12 30 22 51.80 -67 56.2 5.182 4.748 58.8 10.2 19.3 2009 01 04 22 52.34 -66 44.9 5.233 4.767 56.9 9.9 19.4 2009 01 09 22 53.45 -65 36.4 5.281 4.786 55.0 9.7 19.4 2009 01 14 22 55.01 -64 30.8 5.327 4.806 53.4 9.5 19.5 2009 01 19 22 56.93 -63 28.2 5.370 4.825 51.9 9.2 19.5 2009 01 24 22 59.14 -62 28.6 5.409 4.845 50.7 9.0 19.5 2009 01 29 23 01.57 -61 32.0 5.445 4.865 49.6 8.9 19.6 2009 02 03 23 04.18 -60 38.6 5.478 4.886 48.9 8.7 19.6 2009 02 08 23 06.92 -59 48.4 5.506 4.906 48.4 8.6 19.6 2009 02 13 23 09.75 -59 01.4 5.530 4.927 48.2 8.6 19.6 2009 02 18 23 12.64 -58 17.5 5.550 4.948 48.3 8.6 19.7 2009 02 23 23 15.56 -57 36.9 5.566 4.969 48.7 8.6 19.7 2009 02 28 23 18.49 -56 59.6 5.578 4.991 49.4 8.7 19.7 2009 03 05 23 21.40 -56 25.6 5.585 5.012 50.4 8.8 19.7 2009 03 10 23 24.26 -55 54.9 5.588 5.034 51.7 8.9 19.8 2009 03 15 23 27.06 -55 27.6 5.587 5.056 53.3 9.1 19.8 2009 03 20 23 29.78 -55 03.6 5.582 5.078 55.1 9.3 19.8 2009 03 25 23 32.39 -54 43.1 5.572 5.101 57.2 9.5 19.8 2009 03 30 23 34.87 -54 26.0 5.559 5.123 59.4 9.7 19.8 2009 04 04 23 37.20 -54 12.4 5.541 5.146 61.9 9.9 19.8 2009 04 09 23 39.36 -54 02.3 5.521 5.169 64.5 10.1 19.8 2009 04 14 23 41.32 -53 55.8 5.497 5.192 67.2 10.3 19.9 2009 04 19 23 43.06 -53 52.7 5.470 5.215 70.1 10.4 19.9 2009 04 24 23 44.56 -53 53.2 5.440 5.238 73.2 10.6 19.9 2009 04 29 23 45.78 -53 57.2 5.408 5.262 76.3 10.7 19.9 2009 05 04 23 46.69 -54 04.7 5.375 5.286 79.6 10.8 19.9 2009 05 09 23 47.26 -54 15.6 5.339 5.310 82.9 10.9 19.9 2009 05 14 23 47.46 -54 29.7 5.303 5.334 86.3 10.9 19.9 2009 05 19 23 47.25 -54 47.1 5.266 5.358 89.8 10.9 19.9
