26P/Grigg-Skjellerup

Orbital Elements

The following orbital elements are taken from MPC 54168:
26P/Grigg-Skjellerup
Epoch 2008 Apr. 4.0 TT = JDT 2454560.5
T 2008 Mar. 23.6923 TT                                  Muraoka
q   1.116716             (2000.0)            P               Q
n   0.1856897      Peri.    1.7152      -0.8358246      +0.5113060
a   3.042828       Node   211.7062      -0.5081148      -0.8583596
e   0.633001       Incl.   22.3566      -0.2078861      +0.0422493
P   5.31
From 173 observations 1961-1992, mean residual 0".9.  Nongravitational
     parameters A1 = +0.00, A2 = -0.0011.
Elements are also available for the current standard epoch:
26P/Grigg-Skjellerup
Epoch 2007 Apr. 10.0 TT = JDT 2454200.5
T 2008 Mar. 23.6648 TT                                  Muraoka
q   1.116784             (2000.0)            P               Q
n   0.1856071      Peri.    1.6937      -0.8359357      +0.5111018
a   3.043732       Node   211.7146      -0.5079058      -0.8584825
e   0.633087       Incl.   22.3578      -0.2079498      +0.0422219
P   5.31
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.

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    m2

WARNING!

This 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.

2007 05 30 05 10.38 +09 50.3 4.063 3.101 16.0 5.2 22.4 2007 06 04 05 17.20 +09 54.6 4.041 3.070 14.5 4.7 22.4 2007 06 09 05 24.15 +09 57.2 4.016 3.039 13.6 4.5 22.3 2007 06 14 05 31.23 +09 57.9 3.987 3.007 13.3 4.5 22.3 2007 06 19 05 38.43 +09 56.6 3.953 2.976 13.7 4.6 22.3 2007 06 24 05 45.74 +09 53.3 3.916 2.944 14.6 5.0 22.2 2007 06 29 05 53.16 +09 48.0 3.875 2.911 16.0 5.5 22.2 2007 07 04 06 00.67 +09 40.4 3.830 2.879 17.8 6.2 22.2 2007 07 09 06 08.29 +09 30.6 3.781 2.846 19.8 7.0 22.2 2007 07 14 06 15.99 +09 18.4 3.729 2.812 22.0 7.8 22.2 2007 07 19 06 23.79 +09 03.9 3.674 2.778 24.2 8.6 22.1 2007 07 24 06 31.66 +08 46.8 3.615 2.744 26.6 9.5 22.1 2007 07 29 06 39.61 +08 27.1 3.553 2.710 29.0 10.5 22.1 2007 08 03 06 47.64 +08 04.8 3.489 2.675 31.4 11.4 22.1 2007 08 08 06 55.73 +07 39.8 3.421 2.640 33.9 12.4 22.0 2007 08 13 07 03.90 +07 11.9 3.351 2.605 36.3 13.3 22.0 2007 08 18 07 12.12 +06 41.2 3.279 2.569 38.8 14.3 21.9 2007 08 23 07 20.41 +06 07.5 3.204 2.533 41.3 15.3 21.9 2007 08 28 07 28.75 +05 30.8 3.128 2.497 43.7 16.2 21.8 2007 09 02 07 37.15 +04 50.9 3.049 2.460 46.2 17.2 21.8 2007 09 07 07 45.61 +04 07.9 2.969 2.423 48.6 18.2 21.7 2007 09 12 07 54.13 +03 21.6 2.887 2.386 51.0 19.1 21.7 2007 09 17 08 02.70 +02 32.0 2.804 2.349 53.4 20.1 21.6 2007 09 22 08 11.33 +01 38.9 2.721 2.311 55.8 21.1 21.5 2007 09 27 08 20.01 +00 42.4 2.636 2.273 58.2 22.0 21.4 2007 10 02 08 28.76 -00 17.7 2.550 2.234 60.5 23.0 21.4 2007 10 07 08 37.58 -01 21.4 2.465 2.195 62.8 23.9 21.3 2007 10 12 08 46.48 -02 28.8 2.378 2.156 65.0 24.8 21.2 2007 10 17 08 55.45 -03 40.0 2.292 2.117 67.3 25.7 21.1 2007 10 22 09 04.51 -04 55.0 2.207 2.078 69.4 26.7 21.0 2007 10 27 09 13.68 -06 13.9 2.121 2.038 71.6 27.6 20.9 2007 11 01 09 22.97 -07 36.7 2.036 1.998 73.6 28.5 20.8 2007 11 06 09 32.40 -09 03.5 1.952 1.958 75.6 29.4 20.7 2007 11 11 09 41.98 -10 34.3 1.869 1.918 77.6 30.3 20.6 2007 11 16 09 51.75 -12 08.9 1.788 1.878 79.4 31.2 20.5 2007 11 21 10 01.74 -13 47.4 1.707 1.837 81.2 32.1 20.3 2007 11 26 10 11.99 -15 29.8 1.628 1.797 82.9 33.0 20.2 2007 12 01 10 22.55 -17 15.8 1.551 1.757 84.5 34.0 20.1 2007 12 06 10 33.47 -19 05.4 1.476 1.717 86.0 34.9 20.0 2007 12 11 10 44.82 -20 58.2 1.403 1.677 87.4 35.9 19.8 2007 12 16 10 56.67 -22 53.7 1.332 1.637 88.6 36.9 19.7 2007 12 21 11 09.14 -24 51.5 1.264 1.597 89.7 38.0 19.6 2007 12 26 11 22.33 -26 50.9 1.198 1.558 90.6 39.1 19.4 2007 12 31 11 36.38 -28 51.0 1.134 1.520 91.4 40.3 19.3 2008 01 05 11 51.45 -30 50.7 1.073 1.482 92.1 41.5 19.0 19.1 2008 01 10 12 07.72 -32 48.3 1.015 1.445 92.6 42.8 18.4 19.0 2008 01 15 12 25.37 -34 41.8 0.959 1.408 92.9 44.2 17.9 18.9 2008 01 20 12 44.63 -36 28.6 0.907 1.373 93.1 45.7 17.3 18.7 2008 01 25 13 05.72 -38 05.6 0.857 1.340 93.1 47.2 16.7 18.6 2008 01 30 13 28.81 -39 28.8 0.811 1.307 92.9 48.8 16.2 18.5 2008 02 04 13 53.97 -40 33.5 0.768 1.277 92.6 50.5 15.7 18.3 2008 02 09 14 21.17 -41 14.1 0.728 1.248 92.1 52.2 15.2 18.2 2008 02 14 14 50.16 -41 24.8 0.692 1.221 91.6 53.9 14.7 18.1 2008 02 19 15 20.49 -41 00.4 0.660 1.197 90.9 55.6 14.2 18.0 2008 02 24 15 51.49 -39 56.6 0.632 1.176 90.2 57.3 13.8 17.9 2008 02 29 16 22.37 -38 11.3 0.608 1.158 89.5 58.8 13.5 17.9 2008 03 05 16 52.33 -35 45.0 0.589 1.143 88.7 60.2 13.2 17.8 2008 03 10 17 20.69 -32 41.1 0.575 1.131 88.1 61.4 12.9 17.8 2008 03 15 17 47.02 -29 05.7 0.565 1.122 87.5 62.3 12.8 17.7 2008 03 20 18 11.10 -25 06.4 0.560 1.118 87.1 62.9 12.7 17.7 2008 03 25 18 32.89 -20 51.6 0.559 1.117 86.9 63.1 12.7 17.7 2008 03 30 18 52.46 -16 29.6 0.563 1.120 86.9 63.0 12.7 17.7 2008 04 04 19 09.94 -12 07.3 0.570 1.126 87.2 62.5 12.8 17.8 2008 04 09 19 25.46 -07 50.7 0.580 1.136 87.6 61.7 13.0 17.8 2008 04 14 19 39.19 -03 43.9 0.592 1.150 88.4 60.7 13.3 17.8 2008 04 19 19 51.27 +00 10.4 0.606 1.167 89.3 59.4 13.6 17.9 2008 04 24 20 01.82 +03 50.5 0.622 1.187 90.5 57.9 13.9 17.9 2008 04 29 20 10.92 +07 15.8 0.638 1.210 91.9 56.3 14.3 18.0 2008 05 04 20 18.62 +10 26.1 0.655 1.235 93.4 54.6 14.7 18.0 2008 05 09 20 24.97 +13 21.4 0.672 1.263 95.2 52.8 15.2 18.1 2008 05 14 20 29.98 +16 01.7 0.688 1.292 97.2 50.9 15.6 18.1 2008 05 19 20 33.69 +18 27.3 0.705 1.324 99.4 48.9 16.1 18.2 2008 05 24 20 36.13 +20 38.4 0.721 1.357 101.7 46.9 16.6 18.2 2008 05 29 20 37.30 +22 34.9 0.737 1.392 104.2 44.9 17.1 18.3 2008 06 03 20 37.22 +24 16.5 0.752 1.427 106.8 42.9 17.6 18.3 2008 06 08 20 35.93 +25 42.6 0.768 1.464 109.6 40.8 18.0 18.4 2008 06 13 20 33.52 +26 52.5 0.783 1.501 112.5 38.7 18.4 2008 06 18 20 30.10 +27 45.9 0.800 1.540 115.5 36.6 18.4 2008 06 23 20 25.81 +28 22.3 0.817 1.579 118.5 34.5 18.5 2008 06 28 20 20.82 +28 41.4 0.836 1.618 121.4 32.4 18.5 2008 07 03 20 15.31 +28 42.9 0.856 1.658 124.3 30.4 18.6

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