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P/2007 S1 (Zhao)

Orbital Elements

The following orbital elements are taken from MPC 60927:

P/2007 S1 (Zhao)
T 2007 Dec. 6.7033 TT                                   MPC
q   2.494380             (2000.0)            P               Q
n   0.1331371      Peri.  245.3891      +0.8878987      -0.4554795
a   3.798423       Node   141.6164      +0.4506868      +0.8330536
e   0.343312       Incl.    5.9725      +0.0922890      +0.3139429
P   7.40
From 68 observations 2007 Sept. 8-Oct. 16.

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.

2008 04 14 03 26.01 +14 09.9 3.459 2.624 28.7 10.6 19.9 2008 04 19 03 34.95 +14 45.7 3.498 2.634 26.1 9.7 19.9 2008 04 24 03 43.95 +15 19.8 3.535 2.644 23.5 8.7 20.0 2008 04 29 03 53.00 +15 51.9 3.570 2.654 21.0 7.8 20.0 2008 05 04 04 02.09 +16 22.1 3.602 2.664 18.4 6.9 20.0 2008 05 09 04 11.21 +16 50.2 3.632 2.675 15.9 5.9 20.1 2008 05 14 04 20.36 +17 16.3 3.659 2.686 13.4 5.0 20.1 2008 05 19 04 29.52 +17 40.3 3.684 2.698 10.9 4.1 20.1 2008 05 24 04 38.68 +18 02.0 3.706 2.709 8.6 3.2 20.2 2008 05 29 04 47.84 +18 21.7 3.726 2.721 6.4 2.4 20.2 2008 06 03 04 56.99 +18 39.1 3.743 2.733 4.6 1.7 20.2 2008 06 08 05 06.11 +18 54.4 3.757 2.745 3.9 1.5 20.3 2008 06 13 05 15.19 +19 07.4 3.768 2.758 4.8 1.8 20.3 2008 06 18 05 24.23 +19 18.3 3.777 2.770 6.7 2.5 20.3 2008 06 23 05 33.21 +19 27.0 3.783 2.783 9.0 3.3 20.3 2008 06 28 05 42.12 +19 33.7 3.786 2.796 11.4 4.1 20.4 2008 07 03 05 50.96 +19 38.2 3.785 2.810 14.0 5.0 20.4 2008 07 08 05 59.71 +19 40.8 3.782 2.823 16.6 5.9 20.4 2008 07 13 06 08.36 +19 41.3 3.777 2.837 19.2 6.8 20.4 2008 07 18 06 16.90 +19 40.0 3.768 2.850 21.9 7.7 20.4 2008 07 23 06 25.32 +19 36.9 3.756 2.864 24.7 8.5 20.4 2008 07 28 06 33.61 +19 32.1 3.741 2.878 27.5 9.4 20.5 2008 08 02 06 41.76 +19 25.6 3.723 2.893 30.3 10.2 20.5 2008 08 07 06 49.75 +19 17.6 3.702 2.907 33.2 11.0 20.5 2008 08 12 06 57.57 +19 08.1 3.679 2.922 36.1 11.8 20.5 2008 08 17 07 05.22 +18 57.4 3.652 2.936 39.1 12.5 20.5 2008 08 22 07 12.67 +18 45.5 3.623 2.951 42.1 13.3 20.5 2008 08 27 07 19.93 +18 32.5 3.591 2.966 45.1 14.0 20.5 2008 09 01 07 26.96 +18 18.6 3.556 2.981 48.3 14.6 20.5 2008 09 06 07 33.77 +18 04.0 3.518 2.996 51.5 15.3 20.5 2008 09 11 07 40.33 +17 48.7 3.478 3.011 54.7 15.8 20.5 2008 09 16 07 46.63 +17 33.1 3.435 3.026 58.1 16.4 20.5 2008 09 21 07 52.65 +17 17.1 3.390 3.042 61.5 16.9 20.5 2008 09 26 07 58.39 +17 01.0 3.343 3.057 65.0 17.3 20.5 2008 10 01 08 03.81 +16 45.0 3.294 3.073 68.5 17.7 20.5 2008 10 06 08 08.91 +16 29.3 3.244 3.088 72.2 18.0 20.5 2008 10 11 08 13.65 +16 14.0 3.191 3.104 76.0 18.2 20.4 2008 10 16 08 18.03 +15 59.5 3.137 3.120 79.8 18.3 20.4 2008 10 21 08 22.01 +15 45.7 3.083 3.136 83.8 18.4 20.4 2008 10 26 08 25.59 +15 33.1 3.027 3.151 87.9 18.4 20.4 2008 10 31 08 28.72 +15 21.8 2.972 3.167 92.1 18.3 20.4 2008 11 05 08 31.39 +15 11.9 2.916 3.183 96.4 18.0 20.4 2008 11 10 08 33.58 +15 03.8 2.861 3.199 100.9 17.7 20.3 2008 11 15 08 35.27 +14 57.6 2.807 3.215 105.5 17.2 20.3 2008 11 20 08 36.44 +14 53.5 2.754 3.231 110.2 16.7 20.3 2008 11 25 08 37.07 +14 51.5 2.703 3.247 115.1 16.0 20.3 2008 11 30 08 37.15 +14 52.0 2.655 3.263 120.1 15.2 20.3 2008 12 05 08 36.67 +14 54.9 2.609 3.279 125.3 14.2 20.2 2008 12 10 08 35.64 +15 00.2 2.568 3.295 130.6 13.1 20.2 2008 12 15 08 34.08 +15 08.0 2.531 3.312 136.1 11.9 20.2 2008 12 20 08 32.01 +15 18.1 2.499 3.328 141.7 10.6 20.2 2008 12 25 08 29.47 +15 30.4 2.473 3.344 147.4 9.1 20.2 2008 12 30 08 26.50 +15 44.6 2.453 3.360 153.2 7.6 20.2 2009 01 04 08 23.17 +16 00.6 2.439 3.376 159.1 6.0 20.2 2009 01 09 08 19.57 +16 17.9 2.433 3.392 165.0 4.3 20.2 2009 01 14 08 15.78 +16 36.1 2.434 3.408 170.9 2.6 20.3 2009 01 19 08 11.89 +16 54.9 2.442 3.424 176.1 1.1 20.3 2009 01 24 08 08.01 +17 13.9 2.458 3.441 175.4 1.3 20.3 2009 01 29 08 04.22 +17 32.7 2.482 3.457 170.0 2.8 20.4 2009 02 03 08 00.63 +17 50.9 2.514 3.473 164.2 4.4 20.4 2009 02 08 07 57.32 +18 08.3 2.553 3.489 158.4 6.0 20.5 2009 02 13 07 54.37 +18 24.6 2.598 3.505 152.6 7.4 20.5 2009 02 18 07 51.81 +18 39.7 2.651 3.521 147.0 8.8 20.6 2009 02 23 07 49.72 +18 53.5 2.709 3.537 141.4 10.0 20.6 2009 02 28 07 48.10 +19 05.7 2.773 3.553 136.0 11.2 20.7 2009 03 05 07 47.00 +19 16.5 2.842 3.568 130.7 12.2 20.8 2009 03 10 07 46.41 +19 25.7 2.915 3.584 125.5 13.0 20.9 2009 03 15 07 46.32 +19 33.4 2.992 3.600 120.5 13.8 20.9 2009 03 20 07 46.73 +19 39.5 3.072 3.616 115.6 14.4 21.0 2009 03 25 07 47.62 +19 44.2 3.155 3.632 110.9 14.9 21.1 2009 03 30 07 48.97 +19 47.3 3.240 3.647 106.2 15.2 21.2 2009 04 04 07 50.75 +19 48.9 3.327 3.663 101.7 15.5 21.2 2009 04 09 07 52.95 +19 49.1 3.415 3.679 97.3 15.7 21.3 2009 04 14 07 55.51 +19 47.9 3.504 3.694 93.0 15.7 21.4 2009 04 19 07 58.43 +19 45.2 3.593 3.710 88.8 15.7 21.5 2009 04 24 08 01.67 +19 41.2 3.682 3.725 84.6 15.6 21.5 2009 04 29 08 05.21 +19 35.8 3.770 3.741 80.6 15.4 21.6 2009 05 04 08 09.01 +19 29.0 3.858 3.756 76.7 15.1 21.7 2009 05 09 08 13.06 +19 21.0 3.945 3.771 72.8 14.8 21.7 2009 05 14 08 17.33 +19 11.6 4.030 3.786 69.0 14.4 21.8 2009 05 19 08 21.79 +19 01.0 4.113 3.802 65.2 14.0 21.9

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