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 2010 Jan. 4.0 TT = JDT 2455200.5 T 2009 Oct. 12.4630 TT MPC q 1.363448 (2000.0) P Q n 0.1794152 Peri. 235.9600 +0.3840884 +0.9210828 a 3.113364 Node 56.7529 -0.8199312 +0.3720872 e 0.562066 Incl. 4.3817 -0.4244868 +0.1147063 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! 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 21.3 2010 07 18 04 14.96 +20 48.0 3.418 2.865 49.6 15.7 20.5 21.3 2010 07 23 04 21.06 +21 05.8 3.392 2.895 52.9 16.3 20.6 21.3 2010 07 28 04 26.89 +21 22.2 3.363 2.924 56.3 16.8 20.6 21.4 2010 08 02 04 32.43 +21 37.1 3.331 2.953 59.8 17.3 20.7 21.4 2010 08 07 04 37.66 +21 50.8 3.296 2.981 63.3 17.7 20.7 21.4 2010 08 12 04 42.56 +22 03.3 3.258 3.010 66.9 18.0 20.7 21.4 2010 08 17 04 47.11 +22 14.6 3.218 3.038 70.7 18.3 20.8 21.4 2010 08 22 04 51.27 +22 24.9 3.177 3.066 74.5 18.5 20.8 21.4 2010 08 27 04 55.03 +22 34.2 3.133 3.093 78.5 18.7 20.8 21.4 2010 09 01 04 58.37 +22 42.7 3.088 3.121 82.5 18.7 20.9 21.4 2010 09 06 05 01.24 +22 50.4 3.041 3.148 86.7 18.6 20.9 21.4 2010 09 11 05 03.63 +22 57.3 2.994 3.175 91.0 18.5 20.9 21.3 2010 09 16 05 05.50 +23 03.5 2.946 3.202 95.4 18.2 20.9 21.3 2010 09 21 05 06.83 +23 09.1 2.899 3.228 100.0 17.8 20.9 21.3 2010 09 26 05 07.60 +23 14.1 2.852 3.254 104.7 17.3 21.0 21.3 2010 10 01 05 07.79 +23 18.4 2.807 3.280 109.5 16.7 21.0 21.2 2010 10 06 05 07.38 +23 22.1 2.763 3.306 114.5 16.0 21.0 21.2 2010 10 11 05 06.35 +23 25.2 2.722 3.332 119.7 15.1 21.0 21.1 2010 10 16 05 04.71 +23 27.4 2.684 3.357 125.0 14.1 21.0 21.1 2010 10 21 05 02.47 +23 28.9 2.649 3.382 130.5 12.9 21.0 2010 10 26 04 59.65 +23 29.5 2.620 3.407 136.1 11.7 21.0 2010 10 31 04 56.29 +23 29.0 2.595 3.431 141.9 10.3 20.9 2010 11 05 04 52.44 +23 27.5 2.576 3.456 147.8 8.8 20.8 2010 11 10 04 48.16 +23 24.8 2.564 3.480 153.8 7.2 20.8 2010 11 15 04 43.54 +23 20.9 2.558 3.503 159.8 5.6 20.7 2010 11 20 04 38.68 +23 15.9 2.560 3.527 166.0 3.9 20.6 2010 11 25 04 33.68 +23 09.7 2.570 3.550 172.1 2.2 20.6 2010 11 30 04 28.65 +23 02.7 2.588 3.574 178.0 0.6 20.4 2010 12 05 04 23.69 +22 54.9 2.613 3.596 175.2 1.3 20.5 2010 12 10 04 18.91 +22 46.7 2.647 3.619 169.1 3.0 20.7 2010 12 15 04 14.40 +22 38.3 2.689 3.642 163.0 4.5 20.9 2010 12 20 04 10.26 +22 30.0 2.738 3.664 156.9 6.0 21.0 2010 12 25 04 06.53 +22 22.2 2.795 3.686 151.0 7.4 21.1 2010 12 30 04 03.28 +22 15.0 2.858 3.707 145.1 8.7 21.2 2011 01 04 04 00.54 +22 08.7 2.927 3.729 139.4 9.9 21.3 2011 01 09 03 58.33 +22 03.6 3.002 3.750 133.8 10.9 21.4 2011 01 14 03 56.66 +21 59.6 3.082 3.771 128.3 11.8 21.5 2011 01 19 03 55.53 +21 57.1 3.166 3.792 122.9 12.6 21.6 2011 01 24 03 54.93 +21 55.8 3.254 3.813 117.7 13.2 21.7 2011 01 29 03 54.85 +21 56.0 3.345 3.833 112.6 13.7 21.8 2011 02 03 03 55.25 +21 57.5 3.438 3.853 107.6 14.1 21.9 2011 02 08 03 56.13 +22 00.2 3.534 3.873 102.8 14.4 22.0 2011 02 13 03 57.44 +22 04.2 3.630 3.893 98.0 14.5 22.1 2011 02 18 03 59.17 +22 09.3 3.727 3.912 93.4 14.6 22.1 2011 02 23 04 01.29 +22 15.3 3.825 3.931 88.9 14.6 22.2 2011 02 28 04 03.76 +22 22.3 3.922 3.951 84.4 14.4 22.3This 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.
