MPEC 2016-E137: COMET C/2016 A1 (PANSTARRS)
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M.P.E.C. 2016-E137 Issued 2016 Mar. 12, 21:38 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Division F of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. Prepared using the Tamkin Foundation Computer Network MPC@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 COMET C/2016 A1 (PANSTARRS) Observations: CK16A010 1C2016 02 01.56501 09 47 37.73 -36 35 19.0 vEE137Q62 CK16A010 1C2016 02 01.56893 09 47 37.52 -36 35 17.6 17.6 TvEE137Q62 CK16A010 C2016 02 20.37279 09 32 09.43 -34 52 50.0 17.9 NqEE137467 CK16A010 C2016 02 20.37530 09 32 09.32 -34 52 49.1 18.1 NqEE137467 CK16A010 C2016 02 20.38447 09 32 08.88 -34 52 45.7 18.5 NqEE137467 CK16A010 C2016 02 20.38638 09 32 08.80 -34 52 44.4 18.4 NqEE137467 CK16A010 C2016 02 20.38828 09 32 08.66 -34 52 43.8 18.3 NqEE137467 CK16A010 3C2016 02 27.03161 09 26 46.42 -34 03 17.6 qEE137W88 CK16A010 3C2016 02 27.04896 09 26 45.57 -34 03 09.1 qEE137W88 CK16A010 3C2016 02 27.06290 09 26 44.93 -34 03 02.6 qEE137W88 CK16A010 3C2016 02 27.07678 09 26 44.26 -34 02 56.3 18.4 NqEE137W88 CK16A010 C2016 02 29.39400 09 24 54.71 -33 44 12.7 17.5 TLEE137T05 CK16A010 C2016 02 29.41104 09 24 54.05 -33 44 04.1 17.8 TLEE137T05 CK16A010 C2016 02 29.42837 09 24 53.10 -33 43 55.2 17.9 TLEE137T05 CK16A010 C2016 02 29.44588 09 24 52.20 -33 43 47.1 17.8 TLEE137T05 CK16A010 C2016 03 06.38273 09 20 20.69 -32 52 32.5 18.0 TLEE137T05 CK16A010 C2016 03 06.39938 09 20 19.82 -32 52 21.8 18.1 TLEE137T05 CK16A010 C2016 03 06.41605 09 20 19.16 -32 52 12.9 18.1 TLEE137T05 CK16A010 C2016 03 06.43272 09 20 18.34 -32 52 04.5 17.9 TLEE137T05 Observer details: 467 Auckland Observatory. Observers G. W. Christie, T. Natusch. Measurer G. W. Christie. 0.40-m f/10 Schmidt-Cassegrain + CCD. Q62 iTelescope Observatory, Siding Spring. Observer H. Sato. 0.51-m f/6.8 astrograph + CCD + f/4.5 focal reducer. T05 ATLAS-HKO, Haleakala. Observers L. Denneau, A. Heinze, H. Weiland, B. Stalder, J. Tonry, A. Sherstyuk. Measurers L. Denneau, A. Heinze, J. Tonry. 0.5-m f/2.0 Schmidt + CCD. W88 Slooh.com Chile Observatory, La Dehesa. Observer B. Lutkenhoner. 0.35-m f/11 Schmidt-Cassegrain + CCD. Orbital elements: C/2016 A1 (PANSTARRS) Epoch 2017 Nov. 23.0 TT = JDT 2458080.5 T 2017 Nov. 23.48163 TT MPCW q 5.3281647 (2000.0) P Q z -0.0002711 Peri. 10.32177 -0.53518099 +0.51118068 +/-0.0000969 Node 128.17836 +0.70118963 -0.17514374 e 1.0014443 Incl. 121.18301 +0.47107792 +0.84143864 From 77 observations 2016 Jan. 1-Mar. 6, mean residual 0".4. C/2016 A1 (PANSTARRS) Epoch 2016 Jan. 13.0 TT = JDT 2457400.5 T 2017 Nov. 23.27671 TT MPCW q 5.3303219 (2000.0) P Q z -0.0000396 Peri. 10.26835 -0.53556605 +0.51071940 +/-0.0000969 Node 128.17230 +0.70140820 -0.17451943 e 1.0002112 Incl. 121.18469 +0.47031431 +0.84184836 From 77 observations 2016 Jan. 1-Mar. 6, mean residual 0".4. Ephemeris: C/2016 A1 (PANSTARRS) Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2 2016 02 11 09 39 54.4 -35 51 04 6.4458 7.1179 129.8 6.1 18.6 ... 2016 02 26 09 27 35.8 -34 11 24 6.3260 7.0496 134.0 5.8 18.5 ... 2016 03 05 09 21 22.6 -33 04 50 6.2883 7.0135 134.0 5.8 18.5 ... 2016 03 11 09 17 00.4 -32 09 43 6.2722 6.9866 132.9 6.0 18.4 2016 03 12 09 16 18.5 -32 00 09 6.2705 6.9821 132.6 6.0 18.4 2016 03 13 09 15 37.1 -31 50 29 6.2692 6.9776 132.4 6.0 18.4 ... 2016 03 19 09 11 41.3 -30 50 36 6.2669 6.9508 130.2 6.3 18.4 ... 2016 03 27 09 07 02.7 -29 26 46 6.2792 6.9153 126.2 6.7 18.4 ... 2016 04 11 09 00 22.6 -26 43 15 6.3451 6.8492 116.4 7.5 18.4 Gareth V. Williams (C) Copyright 2016 MPC M.P.E.C. 2016-E137


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