(162117) 1998 SD15
Orbital Elements
The following orbital elements are taken from MPO122953(162117) 1998 SD15 Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC M 141.38235 (2000.0) P Q n 1.09434904 Peri. 35.81717 -0.77268382 +0.63401973 a 0.9326073 Node 183.97929 -0.63467040 -0.77063721 e 0.3448890 Incl. 26.79560 +0.01237779 +0.06432168 P 0.90 H 19.1 G 0.15 U 3 From 278 observations at 4 oppositions, 1998-2007, mean residual 0".55.An 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.
Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2009 10 26 07 34.64 -22 30.9 0.667 1.210 91.3 55.2 20.6 2009 10 31 07 46.38 -26 16.2 0.647 1.197 91.3 56.0 20.6 2009 11 05 07 58.39 -30 06.6 0.628 1.183 91.0 56.9 20.5 2009 11 10 08 10.83 -34 00.6 0.611 1.167 90.4 58.1 20.5 2009 11 15 08 23.88 -37 56.6 0.595 1.149 89.4 59.4 20.4 2009 11 20 08 37.83 -41 52.7 0.581 1.130 88.2 60.9 20.4 2009 11 25 08 53.07 -45 47.0 0.567 1.109 86.7 62.7 20.3 2009 11 30 09 10.15 -49 37.4 0.554 1.087 84.8 64.6 20.3 2009 12 05 09 29.88 -53 21.9 0.542 1.063 82.8 66.9 20.3 2009 12 10 09 53.35 -56 57.4 0.530 1.038 80.4 69.4 20.2 2009 12 15 10 22.07 -60 19.0 0.518 1.011 77.8 72.1 20.2 2009 12 20 10 58.02 -63 18.3 0.507 0.983 75.0 75.2 20.2 2009 12 25 11 43.35 -65 41.4 0.495 0.953 71.8 78.6 20.2 2009 12 30 12 39.08 -67 07.7 0.485 0.923 68.4 82.3 20.2 2010 01 04 13 42.79 -67 12.1 0.476 0.891 64.8 86.3 20.3 2010 01 09 14 47.68 -65 35.6 0.469 0.859 60.9 90.6 20.3 2010 01 14 15 46.32 -62 15.8 0.465 0.827 56.8 95.0 20.4 2010 01 19 16 35.27 -57 26.7 0.467 0.794 52.8 99.3 20.5 2010 01 24 17 15.07 -51 30.5 0.474 0.762 48.9 103.1 20.7 2010 01 29 17 47.86 -44 52.7 0.490 0.730 45.5 105.9 20.8 2010 02 03 18 15.82 -37 59.1 0.515 0.701 42.8 107.3 20.9 2010 02 08 18 40.69 -31 13.3 0.551 0.674 40.9 106.8 20.9 2010 02 13 19 03.68 -24 54.2 0.598 0.651 39.7 104.5 20.9 2010 02 18 19 25.66 -19 13.2 0.654 0.632 39.0 100.5 20.8 2010 02 23 19 47.16 -14 15.3 0.718 0.619 38.5 95.2 20.7 2010 02 28 20 08.51 -10 00.1 0.789 0.612 38.1 89.1 20.7 2010 03 05 20 29.83 -06 23.8 0.864 0.612 37.7 82.6 20.6 2010 03 10 20 51.13 -03 21.1 0.940 0.618 37.2 76.1 20.6 2010 03 15 21 12.31 -00 46.5 1.016 0.631 36.6 69.8 20.6 2010 03 20 21 33.26 +01 25.1 1.090 0.650 35.9 64.1 20.6 2010 03 25 21 53.86 +03 18.1 1.161 0.673 35.3 58.9 20.7 2010 03 30 22 14.03 +04 56.1 1.228 0.700 34.7 54.4 20.8 2010 04 04 22 33.71 +06 21.8 1.290 0.729 34.3 50.5 20.8 2010 04 09 22 52.89 +07 37.6 1.347 0.760 33.9 47.3 20.9 2010 04 14 23 11.57 +08 45.0 1.398 0.792 33.7 44.6 21.0 2010 11 20 11 20.35 -25 36.1 0.907 0.947 59.8 64.4 21.0 2010 11 25 11 47.15 -27 00.7 0.898 0.916 57.9 65.9 21.0 2010 11 30 12 15.51 -28 07.5 0.892 0.885 55.9 67.5 21.0
