88P/Howell
Orbital Elements
The following orbital elements are taken from MPC 66205:
88P/Howell
Epoch 2009 Oct. 16.0 TT = JDT 2455120.5
T 2009 Oct. 12.4693 TT MPC
q 1.363486 (2000.0) P Q
n 0.1794476 Peri. 235.9623 +0.3841862 +0.9210419
a 3.112989 Node 56.7567 -0.8198930 +0.3721759
e 0.562001 Incl. 4.3817 -0.4244720 +0.1147476
P 5.49
From 1058 observations 1993-2009, mean residual 0".7. Nongravitational
parameters A1 = +0.31, A2 = -0.0589.
Elements are also available for the current standard epoch:
88P/Howell Epoch 2009 June 18.0 TT = JDT 2455000.5 T 2009 Oct. 12.4687 TT MPC q 1.363507 (2000.0) P Q n 0.1794648 Peri. 235.9606 +0.3841698 +0.9210486 a 3.112790 Node 56.7574 -0.8198996 +0.3721618 e 0.561966 Incl. 4.3817 -0.4244740 +0.1147390 P 5.49An 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 12 21.67 +00 07.5 1.319 1.893 107.7 30.7 15.8 18.8 2009 06 13 12 23.91 -00 24.9 1.338 1.860 103.6 32.0 15.7 18.8 2009 06 18 12 26.98 -01 02.3 1.357 1.829 99.8 33.2 15.6 18.9 2009 06 23 12 30.86 -01 44.5 1.376 1.797 96.2 34.2 15.5 18.9 2009 06 28 12 35.52 -02 31.2 1.395 1.766 92.8 35.1 15.4 18.9 2009 07 03 12 40.93 -03 22.3 1.413 1.736 89.6 35.9 15.3 18.9 2009 07 08 12 47.07 -04 17.2 1.430 1.706 86.6 36.5 15.3 18.9 2009 07 13 12 53.89 -05 15.9 1.447 1.676 83.8 37.1 15.2 18.9 2009 07 18 13 01.39 -06 18.0 1.462 1.647 81.2 37.6 15.1 18.9 2009 07 23 13 09.55 -07 23.3 1.476 1.620 78.7 38.0 15.0 18.9 2009 07 28 13 18.38 -08 31.4 1.490 1.593 76.4 38.3 14.9 18.9 2009 08 02 13 27.84 -09 42.0 1.502 1.567 74.2 38.6 14.8 18.9 2009 08 07 13 37.95 -10 54.7 1.513 1.542 72.2 38.8 14.7 18.9 2009 08 12 13 48.69 -12 09.1 1.523 1.518 70.3 38.9 14.6 18.9 2009 08 17 14 00.08 -13 24.7 1.533 1.496 68.5 39.0 14.5 18.9 2009 08 22 14 12.12 -14 41.1 1.541 1.475 66.9 39.1 14.5 18.8 2009 08 27 14 24.83 -15 57.6 1.550 1.455 65.4 39.1 14.4 18.8 2009 09 01 14 38.20 -17 13.6 1.558 1.437 64.0 39.1 14.3 18.8 2009 09 06 14 52.23 -18 28.3 1.565 1.421 62.7 39.1 14.3 18.8 2009 09 11 15 06.94 -19 41.1 1.573 1.407 61.5 39.0 14.2 18.8 2009 09 16 15 22.32 -20 51.0 1.582 1.394 60.5 38.9 14.2 18.8 2009 09 21 15 38.37 -21 57.2 1.590 1.384 59.5 38.7 14.1 18.8 2009 09 26 15 55.06 -22 58.7 1.600 1.376 58.6 38.5 14.1 18.8 2009 10 01 16 12.37 -23 54.6 1.610 1.369 57.8 38.2 14.1 18.7 2009 10 06 16 30.25 -24 44.0 1.622 1.365 57.0 37.9 14.1 18.7 2009 10 11 16 48.64 -25 25.9 1.636 1.364 56.3 37.5 14.1 18.8 2009 10 16 17 07.48 -25 59.7 1.651 1.364 55.6 37.1 14.1 18.8 2009 10 21 17 26.68 -26 24.5 1.668 1.367 55.0 36.6 14.1 18.8 2009 10 26 17 46.15 -26 39.9 1.687 1.372 54.4 36.1 14.2 18.8 2009 10 31 18 05.78 -26 45.4 1.708 1.379 53.8 35.5 14.3 18.8 2009 11 05 18 25.46 -26 41.1 1.732 1.388 53.2 34.9 14.3 18.8 2009 11 10 18 45.07 -26 26.9 1.759 1.399 52.6 34.2 14.4 18.9 2009 11 15 19 04.53 -26 03.1 1.788 1.412 51.9 33.5 14.5 18.9 2009 11 20 19 23.74 -25 30.1 1.820 1.427 51.3 32.7 14.6 18.9 2009 11 25 19 42.60 -24 48.5 1.854 1.444 50.6 31.9 14.7 19.0 2009 11 30 20 01.06 -23 59.1 1.891 1.463 49.8 31.0 14.9 19.0 2009 12 05 20 19.05 -23 02.7 1.930 1.483 49.0 30.1 15.0 19.1 2009 12 10 20 36.55 -22 00.1 1.972 1.505 48.1 29.1 15.1 19.1 2009 12 15 20 53.53 -20 52.2 2.017 1.528 47.1 28.2 15.3 19.2 2009 12 20 21 09.99 -19 39.7 2.064 1.552 46.1 27.2 15.4 19.2 2009 12 25 21 25.91 -18 23.6 2.112 1.577 44.9 26.1 15.6 19.3 2009 12 30 21 41.32 -17 04.7 2.163 1.604 43.7 25.1 15.8 19.4 2010 01 04 21 56.22 -15 43.5 2.215 1.631 42.5 24.0 15.9 19.4 2010 01 09 22 10.63 -14 20.9 2.269 1.659 41.1 22.9 16.1 19.5 2010 01 14 22 24.59 -12 57.2 2.324 1.688 39.7 21.9 16.2 19.5 2010 01 19 22 38.12 -11 33.0 2.380 1.718 38.2 20.7 16.4 19.6 2010 01 24 22 51.25 -10 08.8 2.436 1.748 36.6 19.6 16.6 19.6 2010 01 29 23 03.99 -08 44.9 2.494 1.779 35.0 18.5 16.7 19.7 2010 02 03 23 16.37 -07 21.7 2.551 1.810 33.3 17.4 16.9 19.7 2010 02 08 23 28.42 -05 59.5 2.609 1.842 31.5 16.3 17.1 19.8 2010 02 13 23 40.17 -04 38.4 2.667 1.874 29.7 15.1 17.2 19.8 2010 02 18 23 51.64 -03 18.7 2.724 1.906 27.8 14.0 17.4 19.9 2010 02 23 00 02.85 -02 00.5 2.780 1.938 25.8 12.8 17.5 19.9 2010 02 28 00 13.81 -00 44.1 2.836 1.971 23.8 11.7 17.7 20.0 2010 03 05 00 24.54 +00 30.5 2.891 2.004 21.8 10.6 17.8 20.0 2010 03 10 00 35.06 +01 43.3 2.944 2.037 19.7 9.4 18.0 20.0 2010 03 15 00 45.39 +02 54.0 2.997 2.070 17.5 8.3 18.1 20.0 2010 03 20 00 55.54 +04 02.7 3.047 2.103 15.3 7.2 18.3 20.1 2010 03 25 01 05.52 +05 09.3 3.095 2.136 13.1 6.1 18.4 20.1 2010 03 30 01 15.33 +06 13.7 3.142 2.169 10.8 5.0 18.5 20.1 2010 04 04 01 24.99 +07 16.0 3.186 2.202 8.5 3.9 18.7 20.1 2010 04 09 01 34.50 +08 16.1 3.228 2.235 6.2 2.8 18.8 20.1 2010 04 14 01 43.88 +09 13.9 3.268 2.268 3.9 1.7 18.9 20.1 2010 04 19 01 53.12 +10 09.5 3.305 2.301 1.8 0.8 19.0 20.0 2010 04 24 02 02.23 +11 02.9 3.339 2.334 1.8 0.8 19.1 20.1 2010 04 29 02 11.20 +11 54.1 3.370 2.367 4.0 1.7 19.3 20.2 2010 05 04 02 20.05 +12 43.0 3.398 2.399 6.4 2.7 19.4 20.3 2010 05 09 02 28.77 +13 29.7 3.424 2.432 9.0 3.7 19.5 20.5 2010 05 14 02 37.36 +14 14.3 3.445 2.464 11.6 4.7 19.6 20.6 2010 05 19 02 45.82 +14 56.6 3.464 2.496 14.2 5.7 19.7 20.6 2010 05 24 02 54.15 +15 36.8 3.479 2.528 16.9 6.7 19.7 20.7 2010 05 29 03 02.33 +16 14.9 3.491 2.559 19.6 7.6 19.8 20.8 2010 06 03 03 10.37 +16 50.8 3.500 2.591 22.4 8.6 19.9 20.9 2010 06 08 03 18.27 +17 24.8 3.505 2.622 25.2 9.5 20.0 20.9 2010 06 13 03 26.01 +17 56.7 3.506 2.653 28.1 10.4 20.1 21.0 2010 06 18 03 33.58 +18 26.6 3.504 2.684 31.0 11.2 20.2 21.1 2010 06 23 03 40.98 +18 54.6 3.498 2.715 34.0 12.1 20.2 21.1 2010 06 28 03 48.19 +19 20.8 3.489 2.746 37.0 12.9 20.3 21.2 2010 07 03 03 55.21 +19 45.2 3.476 2.776 40.0 13.6 20.4 21.2 2010 07 08 04 02.02 +20 07.8 3.460 2.806 43.1 14.3 20.4 21.2 2010 07 13 04 08.61 +20 28.7 3.441 2.836 46.3 15.0 20.5 21.3This 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.
