57P/du Toit-Neujmin-Delporte
Orbital Elements
The following orbital elements are taken from MPC 54171:
57P/du Toit-Neujmin-Delporte
Epoch 2009 Jan. 9.0 TT = JDT 2454840.5
T 2008 Dec. 25.9858 TT MPC
q 1.723838 (2000.0) P Q
n 0.1538463 Peri. 115.2989 +0.5608802 +0.8278618
a 3.449409 Node 188.8297 -0.7763308 +0.5227226
e 0.500251 Incl. 2.8481 -0.2876175 +0.2034844
P 6.41
From 175 observations 1983-2002, mean residual 0".9. Nongravitational
parameters A1 = +0.41, A2 = +0.0184.
Elements are also available for the current standard epoch:
57P/du Toit-Neujmin-Delporte Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2008 Dec. 25.9437 TT MPC q 1.723741 (2000.0) P Q n 0.1539280 Peri. 115.2831 +0.5605800 +0.8280652 a 3.448188 Node 188.8247 -0.7765220 +0.5224436 e 0.500102 Incl. 2.8485 -0.2876865 +0.2033734 P 6.40An 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 m2WARNING! 2009 06 08 02 08.85 +12 41.9 2.881 2.246 42.8 17.9 20.1 23.5 2009 06 13 02 17.53 +13 22.5 2.866 2.271 45.4 18.6 20.1 23.5 2009 06 18 02 26.00 +14 00.6 2.849 2.297 48.0 19.2 20.2 23.6 2009 06 23 02 34.24 +14 36.1 2.829 2.323 50.7 19.8 20.2 23.6 2009 06 28 02 42.23 +15 09.1 2.807 2.349 53.5 20.4 20.3 23.6 2009 07 03 02 49.96 +15 39.6 2.783 2.375 56.3 20.9 20.4 23.6 2009 07 08 02 57.42 +16 07.7 2.757 2.402 59.2 21.3 20.4 23.6 2009 07 13 03 04.59 +16 33.2 2.729 2.428 62.2 21.7 20.5 23.7 2009 07 18 03 11.44 +16 56.4 2.699 2.455 65.3 22.1 20.5 23.7 2009 07 23 03 17.96 +17 17.1 2.667 2.482 68.5 22.4 20.6 23.7 2009 07 28 03 24.12 +17 35.4 2.633 2.508 71.8 22.6 20.6 23.7 2009 08 02 03 29.89 +17 51.3 2.597 2.535 75.2 22.8 20.6 23.7 2009 08 07 03 35.24 +18 05.0 2.560 2.562 78.7 22.8 20.7 23.7 2009 08 12 03 40.16 +18 16.4 2.522 2.588 82.3 22.8 20.7 23.7 2009 08 17 03 44.61 +18 25.6 2.483 2.615 86.0 22.7 20.7 23.6 2009 08 22 03 48.56 +18 32.6 2.443 2.642 89.9 22.5 20.8 23.6 2009 08 27 03 51.97 +18 37.4 2.402 2.669 93.9 22.2 20.8 23.6 2009 09 01 03 54.81 +18 40.2 2.362 2.695 98.1 21.8 20.8 23.6 2009 09 06 03 57.06 +18 40.8 2.322 2.722 102.4 21.2 20.9 23.5 2009 09 11 03 58.69 +18 39.4 2.282 2.749 106.9 20.5 20.9 23.5 2009 09 16 03 59.68 +18 36.0 2.244 2.775 111.5 19.7 20.9 23.5 2009 09 21 03 59.99 +18 30.6 2.208 2.802 116.3 18.7 20.9 23.4 2009 09 26 03 59.63 +18 23.1 2.174 2.828 121.3 17.6 21.0 23.4 2009 10 01 03 58.59 +18 13.8 2.143 2.854 126.5 16.4 21.0 23.3 2009 10 06 03 56.90 +18 02.5 2.116 2.880 131.8 15.0 21.0 23.3 2009 10 11 03 54.57 +17 49.5 2.092 2.907 137.3 13.5 21.1 23.2 2009 10 16 03 51.64 +17 34.7 2.074 2.933 143.0 11.8 21.1 23.1 2009 10 21 03 48.19 +17 18.4 2.062 2.959 148.8 10.0 21.1 23.1 2009 10 26 03 44.28 +17 00.9 2.055 2.984 154.7 8.2 21.2 23.0 2009 10 31 03 40.02 +16 42.3 2.055 3.010 160.7 6.2 21.2 22.9 2009 11 05 03 35.51 +16 23.1 2.062 3.036 166.8 4.3 21.3 22.9 2009 11 10 03 30.88 +16 03.7 2.076 3.061 172.6 2.4 21.4 22.8 2009 11 15 03 26.23 +15 44.4 2.098 3.087 177.0 1.0 21.5 22.7 2009 11 20 03 21.69 +15 25.8 2.128 3.112 173.7 2.0 21.5 22.8 2009 11 25 03 17.37 +15 08.4 2.165 3.137 167.9 3.8 21.6 23.0 2009 11 30 03 13.36 +14 52.5 2.209 3.162 162.0 5.5 21.7 23.2 2009 12 05 03 09.76 +14 38.4 2.261 3.187 156.0 7.2 21.8 23.3 2009 12 10 03 06.61 +14 26.5 2.319 3.211 150.2 8.8 21.9 23.5 2009 12 15 03 03.96 +14 17.0 2.384 3.236 144.5 10.2 22.0 23.6 2009 12 20 03 01.86 +14 10.0 2.454 3.260 138.9 11.4 22.1 23.7 2009 12 25 03 00.31 +14 05.6 2.530 3.285 133.5 12.6 22.3 23.8 2009 12 30 02 59.32 +14 03.8 2.610 3.309 128.1 13.5 22.4 24.0 2010 01 04 02 58.87 +14 04.4 2.694 3.333 123.0 14.3 22.5 24.1 2010 01 09 02 58.95 +14 07.4 2.782 3.357 117.9 15.0 22.6 24.2 2010 01 14 02 59.55 +14 12.6 2.873 3.380 113.0 15.5 22.7 24.3 2010 01 19 03 00.63 +14 20.0 2.966 3.404 108.2 15.9 22.8 24.4 2010 01 24 03 02.17 +14 29.1 3.061 3.427 103.5 16.2 23.0 24.5 2010 01 29 03 04.14 +14 40.0 3.157 3.450 98.9 16.4 23.1 24.6 2010 02 03 03 06.50 +14 52.3 3.255 3.473 94.5 16.4 23.2 24.6 2010 02 08 03 09.24 +15 05.9 3.353 3.496 90.1 16.4 23.3 24.7 2010 02 13 03 12.32 +15 20.6 3.450 3.519 85.8 16.2 23.4 24.8 2010 02 18 03 15.72 +15 36.2 3.548 3.542 81.6 16.0 23.5 24.9 2010 02 23 03 19.41 +15 52.6 3.644 3.564 77.5 15.7 23.6 24.9 2010 02 28 03 23.36 +16 09.5 3.740 3.586 73.5 15.4 23.7 25.0 2010 03 05 03 27.56 +16 26.7 3.834 3.608 69.5 14.9 23.8 25.0 2010 03 10 03 31.98 +16 44.3 3.926 3.630 65.6 14.4 23.9 25.1 2010 03 15 03 36.60 +17 02.0 4.016 3.652 61.8 13.9 24.0 25.1 2010 03 20 03 41.41 +17 19.6 4.103 3.674 58.0 13.3 24.0 25.2 2010 03 25 03 46.38 +17 37.1 4.188 3.695 54.3 12.7 24.1 25.2 2010 03 30 03 51.50 +17 54.4 4.270 3.717 50.6 12.0 24.2 25.2 2010 04 04 03 56.76 +18 11.3 4.349 3.738 46.9 11.3 24.3 25.3 2010 04 09 04 02.13 +18 27.8 4.424 3.759 43.3 10.5 24.4 25.3 2010 04 14 04 07.60 +18 43.8 4.496 3.779 39.7 9.8 24.4 25.3 2010 04 19 04 13.17 +18 59.2 4.564 3.800 36.2 9.0 24.5 25.3 2010 04 24 04 18.82 +19 13.9 4.628 3.821 32.7 8.2 24.6 25.3 2010 04 29 04 24.53 +19 27.9 4.688 3.841 29.2 7.3 24.6 25.3 2010 05 04 04 30.29 +19 41.2 4.744 3.861 25.7 6.5 24.7 25.3 2010 05 09 04 36.10 +19 53.6 4.796 3.881 22.3 5.7 24.7 25.3 2010 05 14 04 41.94 +20 05.2 4.844 3.901 18.9 4.8 24.8 25.3 2010 05 19 04 47.80 +20 15.8 4.886 3.921 15.4 3.9 24.8 25.3 2010 05 24 04 53.67 +20 25.6 4.925 3.940 12.1 3.1 24.9 25.3 2010 05 29 04 59.54 +20 34.4 4.958 3.959 8.7 2.2 24.9 25.2 2010 06 03 05 05.40 +20 42.3 4.987 3.979 5.5 1.4 25.0 25.2 2010 06 08 05 11.24 +20 49.2 5.011 3.998 2.7 0.7 25.0 25.1 2010 06 13 05 17.05 +20 55.2 5.030 4.016 2.8 0.7 25.1 25.2 2010 06 18 05 22.82 +21 00.2 5.045 4.035 5.6 1.4 25.1 25.2 2010 06 23 05 28.53 +21 04.2 5.055 4.054 8.9 2.2 25.1 25.3 2010 06 28 05 34.18 +21 07.3 5.059 4.072 12.3 3.0 25.2 25.4 2010 07 03 05 39.76 +21 09.5 5.060 4.090 15.7 3.9 25.2 25.4 2010 07 08 05 45.25 +21 10.8 5.055 4.108 19.2 4.7 25.2 25.5 2010 07 13 05 50.65 +21 11.2 5.046 4.126 22.7 5.4 25.2 25.5This comet gets close to the sun during the period covered in the ephemeris below. Observers are warned to be wary of observing comets near the sun. NEVER point any kind of optical instrument at the sun--instant blindness will be the probable result.
