MPEC 2017-K84 : 2017 KV31
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M.P.E.C. 2017-K84 Issued 2017 May 29, 14:39 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 2017 KV31 Observations: K17K31V* C2017 05 27.41153 16 50 35.745-20 49 18.63 21.5 wLEK084F51 K17K31V C2017 05 27.42259 16 50 36.533-20 49 00.78 21.7 wLEK084F51 K17K31V C2017 05 27.43368 16 50 37.320-20 48 43.86 21.5 wLEK084F51 K17K31V IC2017 05 28.09427716 51 33.19 -20 30 26.5 UEK084K92 K17K31V KC2017 05 28.10328416 51 33.87 -20 30 11.4 21.3 GUEK084K92 K17K31V KC2017 05 28.11049316 51 34.45 -20 29 59.0 21.3 GUEK084K92 K17K31V |C2017 05 28.15033 16 51 40.74 -20 28 59.1 21.8 VuEK084807 K17K31V |C2017 05 28.15597 16 51 41.09 -20 28 49.6 21.7 VuEK084807 K17K31V |C2017 05 28.16175 16 51 41.54 -20 28 40.6 21.7 VuEK084807 K17K31V KC2017 05 28.32014916 51 53.40 -20 24 19.2 21.6 GUEK084W86 K17K31V FC2017 05 28.32910916 51 54.11 -20 24 04.8 21.6 GUEK084W86 K17K31V KC2017 05 28.33627916 51 54.66 -20 23 52.4 21.5 GUEK084W86 K17K31V C2017 05 28.34510216 51 56.60 -20 24 16.4 21.5 GUEK084H01 K17K31V C2017 05 28.35465316 51 57.30 -20 24 00.9 21.2 GUEK084H01 K17K31V C2017 05 28.35800816 51 57.57 -20 23 55.0 20.8 GUEK084H01 K17K31V C2017 05 28.37802916 51 59.07 -20 23 21.9 21.0 GUEK084H01 K17K31V _C2017 05 28.43542416 52 05.218-20 21 41.78 20.7 GUEK084568 K17K31V _C2017 05 28.43642916 52 05.293-20 21 40.12 20.8 GUEK084568 K17K31V _C2017 05 28.43741716 52 05.365-20 21 38.48 21.0 GUEK084568 K17K31V C2017 05 29.33001 16 53 24.97 -19 56 46.8 21.5 RoEK084926 K17K31V C2017 05 29.33521 16 53 25.35 -19 56 37.9 21.2 RoEK084926 K17K31V C2017 05 29.34170 16 53 25.90 -19 56 26.3 21.1 RoEK084926 K17K31V KC2017 05 29.51830616 53 42.45 -19 50 39.3 21.2 RUEK084474 K17K31V KC2017 05 29.53237816 53 43.45 -19 50 15.6 21.5 RUEK084474 K17K31V KC2017 05 29.53589716 53 43.62 -19 50 08.9 21.4 RUEK084474 Observer details: 474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD. 568 Mauna Kea. Observers R. J. Wainscoat, C. Wipper. Measurers M. Micheli, R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD. 807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.61-m f/6.5 astrograph + CCD. 926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD. F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Goggia, T. Lowe, A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD. H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan. Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD. K92 Sutherland-LCOGT B. Observers T. Lister, S. Greenstreet, E. Gomez, J. MacFarlane. Measurer T. Lister. 1.0-m f/8 Ritchey-Chretien + CCD. W86 Cerro Tololo-LCOGT B. Observers T. Lister, S. Greenstreet, E. Gomez, J. MacFarlane. Measurer T. Lister. 1.0-m f/8 Ritchey-Chretien + CCD. Orbital elements: 2017 KV31 Earth MOID = 0.1552 AU Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC M 16.81393 (2000.0) P Q n 0.31824559 Peri. 45.50972 +0.33964290 +0.93548787 a 2.1246845 Node 244.57492 -0.89067657 +0.28659187 e 0.4583678 Incl. 6.19712 -0.30222167 +0.20670641 P 3.10 H 23.6 G 0.15 U 7 Residuals in seconds of arc 170527 F51 0.0 0.1- 170528 W86 0.3+ 0.1+ 170528 568 0.1+ 0.1- 170527 F51 0.1- 0.4+ 170528 W86 0.5+ 0.6- 170529 926 0.1+ 0.3- 170527 F51 0.3- 0.1- 170528 W86 0.4+ 0.3- 170529 926 0.1- 0.3- 170528 K92 0.0 0.2- 170528 H01 0.3+ 0.1+ 170529 926 0.7+ 0.2+ 170528 K92 0.4- 0.3- 170528 H01 0.0 0.3- 170529 474 1.0+ 0.4+ 170528 K92 0.3- 0.0 170528 H01 0.3+ 0.1+ 170529 474 0.5- 0.0 170528 807 0.9+ 0.2- 170528 H01 0.1+ 0.2- 170529 474 2.1- 0.7+ 170528 807 0.1- 0.2+ 170528 568 0.1+ 0.1- 170528 807 0.2+ 0.1- 170528 568 0.1+ 0.1- Ephemeris: 2017 KV31 a,e,i = 2.12, 0.46, 6 q = 1.1508 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2017 04 29 16 14 42.9 -27 37 17 0.4222 1.3921 151.3 20.3 23.5 ... 2017 05 14 16 32 53.6 -25 18 18 0.3152 1.3146 162.5 13.4 22.5 ... 2017 05 22 16 43 05.7 -22 57 30 0.2694 1.2774 168.5 9.1 21.9 ... 2017 05 28 16 51 26.4 -20 33 12 0.2402 1.2519 172.4 6.1 21.5 2017 05 29 16 52 55.2 -20 05 38 0.2358 1.2478 172.9 5.8 21.4 2017 05 30 16 54 25.9 -19 37 02 0.2314 1.2439 173.3 5.4 21.3 ... 2017 06 05 17 04 15.5 -16 23 31 0.2081 1.2215 173.2 5.6 21.1 ... 2017 06 13 17 19 48.7 -11 08 42 0.1837 1.1958 167.9 10.3 21.0 ... 2017 06 28 17 57 44.7 +00 33 40 0.1587 1.1624 155.1 21.6 21.0 A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-K84


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