P/1998 U3 (Jäger)
Orbital Elements
The following orbital elements are taken from MPC 34421:P/1998 U3 (Jäger) Epoch 1999 Mar. 3.0 TT = JDT 2451240.5 T 1999 Mar. 10.0703 TT Nakano q 2.133893 (2000.0) P Q n 0.0659744 Peri. 180.8950 -0.5647894 -0.7786669 a 6.065769 Node 303.5427 +0.7591611 -0.3604043 e 0.648207 Incl. 19.1413 +0.3235542 -0.5136016 P 14.9 From 721 observations 1998 Oct. 24-1999 Apr. 30, mean residual 0".6.Elements are also available for the current standard epoch:
P/1998 U3 (Jäger) Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2014 Mar. 18.9549 TT Nakano q 2.154983 (2000.0) P Q n 0.0654183 Peri. 180.9868 -0.5653904 -0.7784828 a 6.100094 Node 303.4974 +0.7589823 -0.3616490 e 0.646730 Incl. 19.0787 +0.3229234 -0.5130054 P 15.1An 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 21 56.44 -05 09.2 8.702 9.061 107.7 6.1 20.8 2009 06 13 21 56.03 -05 05.1 8.614 9.051 112.5 6.0 20.7 2009 06 18 21 55.46 -05 01.9 8.530 9.041 117.3 5.7 20.7 2009 06 23 21 54.71 -04 59.6 8.449 9.031 122.2 5.5 20.7 2009 06 28 21 53.80 -04 58.4 8.371 9.021 127.1 5.2 20.7 2009 07 03 21 52.73 -04 58.2 8.298 9.010 132.0 4.8 20.6 2009 07 08 21 51.51 -04 59.0 8.230 9.000 137.0 4.4 20.6 2009 07 13 21 50.15 -05 00.7 8.167 8.990 142.0 4.0 20.6 2009 07 18 21 48.66 -05 03.3 8.110 8.979 147.0 3.5 20.6 2009 07 23 21 47.05 -05 06.9 8.060 8.969 151.9 3.1 20.6 2009 07 28 21 45.35 -05 11.3 8.016 8.958 156.8 2.6 20.5 2009 08 02 21 43.56 -05 16.4 7.979 8.948 161.6 2.0 20.5 2009 08 07 21 41.72 -05 22.3 7.949 8.937 166.1 1.6 20.5 2009 08 12 21 39.83 -05 28.8 7.927 8.926 169.9 1.1 20.5 2009 08 17 21 37.91 -05 35.8 7.912 8.915 171.9 0.9 20.5 2009 08 22 21 36.00 -05 43.3 7.905 8.905 170.7 1.0 20.5 2009 08 27 21 34.12 -05 51.0 7.905 8.894 167.3 1.4 20.5 2009 09 01 21 32.27 -05 59.0 7.914 8.883 162.8 1.9 20.5 2009 09 06 21 30.50 -06 07.1 7.929 8.872 158.0 2.4 20.5 2009 09 11 21 28.81 -06 15.1 7.951 8.861 153.1 2.9 20.5 2009 09 16 21 27.22 -06 23.1 7.981 8.850 148.0 3.5 20.5 2009 09 21 21 25.76 -06 30.8 8.017 8.838 142.9 3.9 20.5 2009 09 26 21 24.43 -06 38.2 8.059 8.827 137.8 4.4 20.5 2009 10 01 21 23.26 -06 45.1 8.106 8.816 132.7 4.8 20.5 2009 10 06 21 22.26 -06 51.6 8.159 8.805 127.6 5.2 20.5 2009 10 11 21 21.43 -06 57.4 8.216 8.793 122.5 5.5 20.5 2009 10 16 21 20.78 -07 02.6 8.278 8.782 117.4 5.8 20.5 2009 10 21 21 20.31 -07 07.1 8.342 8.770 112.4 6.0 20.5 2009 10 26 21 20.04 -07 10.8 8.410 8.759 107.4 6.2 20.5 2009 10 31 21 19.96 -07 13.6 8.480 8.747 102.4 6.4 20.6 2009 11 05 21 20.07 -07 15.6 8.551 8.735 97.5 6.5 20.6 2009 11 10 21 20.36 -07 16.7 8.623 8.724 92.6 6.5 20.6 2009 11 15 21 20.85 -07 16.9 8.695 8.712 87.7 6.5 20.6 2009 11 20 21 21.51 -07 16.1 8.767 8.700 82.9 6.5 20.6 2009 11 25 21 22.35 -07 14.4 8.838 8.688 78.1 6.4 20.6 2009 11 30 21 23.36 -07 11.8 8.908 8.676 73.3 6.3 20.6 2009 12 05 21 24.52 -07 08.2 8.975 8.664 68.6 6.1 20.6 2009 12 10 21 25.84 -07 03.7 9.040 8.652 63.9 5.9 20.7 2009 12 15 21 27.30 -06 58.2 9.102 8.640 59.2 5.6 20.7 2009 12 20 21 28.89 -06 51.9 9.160 8.627 54.6 5.3 20.7 2009 12 25 21 30.61 -06 44.6 9.214 8.615 50.0 5.0 20.7 2009 12 30 21 32.43 -06 36.5 9.264 8.603 45.5 4.7 20.7 2010 01 04 21 34.36 -06 27.6 9.308 8.590 41.0 4.3 20.7 2010 01 09 21 36.38 -06 17.9 9.348 8.578 36.5 3.9 20.7 2010 01 14 21 38.47 -06 07.4 9.383 8.565 32.1 3.5 20.7 2010 01 19 21 40.64 -05 56.1 9.411 8.553 27.7 3.1 20.7 2010 01 24 21 42.87 -05 44.2 9.434 8.540 23.5 2.6 20.7 2010 01 29 21 45.14 -05 31.7 9.451 8.528 19.3 2.2 20.7 2010 02 03 21 47.45 -05 18.5 9.461 8.515 15.3 1.8 20.7 2010 02 08 21 49.79 -05 04.8 9.466 8.502 11.7 1.3 20.7 2010 02 13 21 52.15 -04 50.5 9.463 8.489 8.8 1.0 20.7 2010 02 18 21 54.51 -04 35.8 9.455 8.476 7.6 0.9 20.7 2010 02 23 21 56.87 -04 20.7 9.439 8.463 8.8 1.0 20.7 2010 02 28 21 59.21 -04 05.2 9.418 8.450 11.6 1.4 20.6 2010 03 05 22 01.53 -03 49.5 9.390 8.437 15.2 1.8 20.6 2010 03 10 22 03.82 -03 33.4 9.356 8.424 19.1 2.2 20.6 2010 03 15 22 06.06 -03 17.2 9.316 8.411 23.1 2.7 20.6 2010 03 20 22 08.25 -03 00.8 9.270 8.397 27.3 3.1 20.6 2010 03 25 22 10.38 -02 44.4 9.218 8.384 31.5 3.6 20.6 2010 03 30 22 12.44 -02 28.0 9.161 8.370 35.7 4.0 20.5 2010 04 04 22 14.41 -02 11.6 9.099 8.357 40.0 4.4 20.5 2010 04 09 22 16.30 -01 55.3 9.031 8.343 44.3 4.8 20.5 2010 04 14 22 18.08 -01 39.1 8.959 8.330 48.6 5.2 20.5 2010 04 19 22 19.76 -01 23.2 8.883 8.316 52.9 5.5 20.4 2010 04 24 22 21.32 -01 07.7 8.803 8.302 57.3 5.8 20.4 2010 04 29 22 22.75 -00 52.4 8.719 8.289 61.6 6.1 20.4 2010 05 04 22 24.05 -00 37.7 8.633 8.275 66.0 6.4 20.4 2010 05 09 22 25.21 -00 23.4 8.543 8.261 70.5 6.6 20.3 2010 05 14 22 26.21 -00 09.7 8.452 8.247 74.9 6.8 20.3 2010 05 19 22 27.06 +00 03.4 8.358 8.233 79.4 6.9 20.3 2010 05 24 22 27.74 +00 15.8 8.264 8.219 83.9 7.0 20.2 2010 05 29 22 28.25 +00 27.3 8.169 8.204 88.5 7.1 20.2 2010 06 03 22 28.58 +00 38.1 8.073 8.190 93.1 7.1 20.2 2010 06 08 22 28.73 +00 47.9 7.978 8.176 97.7 7.1 20.1 2010 06 13 22 28.69 +00 56.7 7.884 8.162 102.3 7.0 20.1 2010 06 18 22 28.46 +01 04.5 7.791 8.147 107.0 6.8 20.1 2010 06 23 22 28.05 +01 11.2 7.701 8.133 111.8 6.7 20.0 2010 06 28 22 27.44 +01 16.7 7.613 8.118 116.5 6.4 20.0 2010 07 03 22 26.65 +01 21.0 7.528 8.103 121.4 6.2 20.0 2010 07 08 22 25.67 +01 24.1 7.447 8.089 126.2 5.8 19.9 2010 07 13 22 24.52 +01 26.0 7.370 8.074 131.1 5.4 19.9This 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.
