152P/Helin-Lawrence
Orbital Elements
The following orbital elements are taken from MPC 65938:152P/Helin-Lawrence Epoch 2012 July 12.0 TT = JDT 2456120.5 T 2012 July 9.2109 TT MPC q 3.116453 (2000.0) P Q n 0.1032718 Peri. 163.8006 -0.2426992 +0.9548631 a 4.499333 Node 91.9098 -0.9079862 -0.1614316 e 0.307352 Incl. 9.8672 -0.3415525 -0.2493519 P 9.54 From 247 observations 1993-2004, mean residual 0".9.Elements are also available for the current standard epoch:
152P/Helin-Lawrence Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 T 2012 July 9.4754 TT MPC q 3.112708 (2000.0) P Q n 0.1033059 Peri. 163.9090 -0.2401624 +0.9555000 a 4.498343 Node 91.9528 -0.9084589 -0.1590442 e 0.308032 Incl. 9.8689 -0.3420884 -0.2484445 P 9.54An 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 10 26 09 11.92 +21 26.7 5.244 5.141 78.7 10.9 22.2 22.3 2009 10 31 09 14.22 +21 24.9 5.155 5.132 83.1 11.1 22.2 22.3 2009 11 05 09 16.26 +21 24.5 5.066 5.122 87.6 11.2 22.1 22.3 2009 11 10 09 18.03 +21 25.6 4.976 5.112 92.2 11.2 22.1 22.2 2009 11 15 09 19.50 +21 28.3 4.887 5.102 96.9 11.1 22.0 22.2 2009 11 20 09 20.66 +21 32.6 4.799 5.092 101.7 11.0 22.0 22.1 2009 11 25 09 21.49 +21 38.6 4.712 5.082 106.6 10.7 21.9 22.1 2009 11 30 09 21.99 +21 46.3 4.626 5.072 111.5 10.4 21.9 22.0 2009 12 05 09 22.14 +21 55.7 4.544 5.062 116.6 10.0 21.8 22.0 2009 12 10 09 21.93 +22 06.7 4.464 5.052 121.7 9.5 21.8 21.9 2009 12 15 09 21.37 +22 19.4 4.389 5.042 126.9 9.0 21.7 21.8 2009 12 20 09 20.44 +22 33.6 4.317 5.031 132.2 8.3 21.7 21.8 2009 12 25 09 19.15 +22 49.1 4.251 5.021 137.6 7.6 21.7 21.7 2009 12 30 09 17.53 +23 05.8 4.190 5.011 143.0 6.8 21.6 21.6 2010 01 04 09 15.58 +23 23.4 4.136 5.000 148.4 5.9 21.5 2010 01 09 09 13.33 +23 41.8 4.088 4.990 153.9 5.0 21.5 2010 01 14 09 10.81 +24 00.5 4.047 4.979 159.3 4.0 21.4 2010 01 19 09 08.06 +24 19.2 4.013 4.969 164.5 3.0 21.3 2010 01 24 09 05.14 +24 37.7 3.988 4.958 169.1 2.1 21.2 2010 01 29 09 02.09 +24 55.6 3.970 4.947 172.1 1.6 21.2 2010 02 03 08 58.97 +25 12.6 3.960 4.936 171.3 1.7 21.2 2010 02 08 08 55.83 +25 28.5 3.958 4.926 167.5 2.5 21.2 2010 02 13 08 52.75 +25 42.9 3.963 4.915 162.6 3.4 21.3 2010 02 18 08 49.77 +25 55.8 3.977 4.904 157.4 4.4 21.3 2010 02 23 08 46.97 +26 06.8 3.997 4.893 152.0 5.5 21.4 2010 02 28 08 44.38 +26 16.1 4.025 4.882 146.5 6.4 21.4 21.5 2010 03 05 08 42.05 +26 23.4 4.059 4.871 141.1 7.3 21.4 21.5 2010 03 10 08 40.03 +26 28.8 4.098 4.859 135.8 8.2 21.4 21.6 2010 03 15 08 38.34 +26 32.3 4.143 4.848 130.5 9.0 21.4 21.6 2010 03 20 08 37.00 +26 34.0 4.193 4.837 125.3 9.7 21.5 21.7 2010 03 25 08 36.05 +26 34.0 4.246 4.826 120.2 10.3 21.5 21.7 2010 03 30 08 35.47 +26 32.2 4.303 4.814 115.2 10.8 21.5 21.8 2010 04 04 08 35.28 +26 28.8 4.363 4.803 110.3 11.3 21.5 21.8 2010 04 09 08 35.48 +26 24.0 4.426 4.792 105.5 11.6 21.5 21.8 2010 04 14 08 36.05 +26 17.7 4.490 4.780 100.8 11.9 21.6 21.9 2010 04 19 08 36.99 +26 10.1 4.555 4.769 96.2 12.1 21.6 21.9 2010 04 24 08 38.29 +26 01.3 4.620 4.757 91.7 12.2 21.6 21.9 2010 04 29 08 39.92 +25 51.2 4.686 4.745 87.2 12.2 21.6 22.0 2010 05 04 08 41.88 +25 40.1 4.752 4.734 82.9 12.2 21.6 22.0 2010 05 09 08 44.15 +25 27.9 4.816 4.722 78.6 12.1 21.7 22.0 2010 05 14 08 46.70 +25 14.6 4.879 4.710 74.5 11.9 21.7 22.0 2010 05 19 08 49.53 +25 00.4 4.941 4.698 70.4 11.7 21.7 22.0 2010 05 24 08 52.61 +24 45.3 5.001 4.687 66.3 11.4 21.7 22.1 2010 05 29 08 55.92 +24 29.3 5.058 4.675 62.4 11.1 21.7 22.1 2010 06 03 08 59.44 +24 12.4 5.113 4.663 58.5 10.7 21.7 22.1 2010 06 08 09 03.16 +23 54.7 5.164 4.651 54.6 10.2 21.7 22.1 2010 06 13 09 07.07 +23 36.2 5.213 4.639 50.8 9.8 21.7 22.1 2010 06 18 09 11.15 +23 17.0 5.258 4.627 47.1 9.3 21.8 22.0 2010 06 23 09 15.38 +22 57.0 5.300 4.615 43.4 8.7 21.8 22.0 2010 06 28 09 19.75 +22 36.3 5.338 4.602 39.7 8.1 21.8 22.0 2010 07 03 09 24.24 +22 15.0 5.372 4.590 36.1 7.5 21.8 22.0 2010 07 08 09 28.85 +21 53.0 5.402 4.578 32.6 6.9 21.8 22.0 2010 07 13 09 33.55 +21 30.4 5.427 4.566 29.1 6.2 21.8 22.0 2010 07 18 09 38.35 +21 07.3 5.449 4.553 25.6 5.5 21.8 21.9 2010 07 23 09 43.22 +20 43.6 5.465 4.541 22.2 4.8 21.8 21.9 2010 07 28 09 48.16 +20 19.5 5.478 4.529 18.9 4.2 21.8 21.8 2010 08 02 09 53.16 +19 55.0 5.485 4.516 15.6 3.5 21.7 21.8 2010 08 07 09 58.21 +19 30.0 5.488 4.504 12.5 2.8 21.7 21.8 2010 08 12 10 03.30 +19 04.7 5.487 4.491 9.8 2.2 21.7 2010 08 17 10 08.42 +18 39.2 5.480 4.479 7.6 1.7 21.7 2010 08 22 10 13.56 +18 13.4 5.469 4.466 6.8 1.5 21.6 2010 08 27 10 18.72 +17 47.5 5.453 4.454 7.6 1.7 21.6 2010 09 01 10 23.88 +17 21.5 5.433 4.441 9.7 2.2 21.6 21.7 2010 09 06 10 29.03 +16 55.5 5.407 4.428 12.5 2.8 21.6 21.7 2010 09 11 10 34.18 +16 29.6 5.377 4.416 15.6 3.5 21.6 21.7 2010 09 16 10 39.31 +16 03.7 5.343 4.403 18.9 4.2 21.6 21.7 2010 09 21 10 44.41 +15 38.1 5.303 4.390 22.2 5.0 21.5 21.8 2010 09 26 10 49.48 +15 12.8 5.260 4.378 25.7 5.7 21.5 21.8 2010 10 01 10 54.50 +14 47.9 5.212 4.365 29.2 6.4 21.5 21.8 2010 10 06 10 59.46 +14 23.5 5.160 4.352 32.7 7.1 21.4 21.8 2010 10 11 11 04.37 +13 59.7 5.103 4.339 36.3 7.8 21.4 21.8 2010 10 16 11 09.20 +13 36.6 5.043 4.326 40.0 8.5 21.4 21.8 2010 10 21 11 13.94 +13 14.3 4.979 4.313 43.6 9.2 21.3 21.8 2010 10 26 11 18.59 +12 52.9 4.911 4.300 47.4 9.8 21.3 21.8 2010 10 31 11 23.14 +12 32.5 4.840 4.288 51.2 10.4 21.2 21.7 2010 11 05 11 27.56 +12 13.3 4.766 4.275 55.0 11.0 21.2 21.7 2010 11 10 11 31.85 +11 55.4 4.688 4.262 58.9 11.5 21.2 21.7 2010 11 15 11 35.99 +11 38.9 4.608 4.249 62.8 12.0 21.1 21.7 2010 11 20 11 39.97 +11 24.0 4.526 4.236 66.8 12.4 21.0 21.7 2010 11 25 11 43.77 +11 10.7 4.442 4.223 70.9 12.8 21.0 21.6 2010 11 30 11 47.38 +10 59.2 4.356 4.210 75.0 13.1 20.9 21.6This 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.
