MPEC 2017-S67 : 2017 RR16
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M.P.E.C. 2017-S67 Issued 2017 Sept. 20, 02:07 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 RR16 Observations: K17R16R C2017 08 22.53665 01 30 32.145+00 12 10.19 21.6 wLES067F51 K17R16R C2017 08 22.56459 01 30 29.026+00 12 54.01 22.3 wLES067F51 K17R16R C2017 08 22.57858 01 30 27.463+00 13 15.91 22.1 wLES067F51 K17R16R C2017 08 31.55521 01 12 46.474+03 52 02.36 21.9 wLES067F51 K17R16R C2017 08 31.56795 01 12 44.669+03 52 19.61 21.1 wLES067F51 K17R16R* C2017 09 15.45414 00 37 38.320+08 23 57.74 21.8 wLES067F51 K17R16R C2017 09 15.46624 00 37 36.487+08 24 08.03 21.9 wLES067F51 K17R16R C2017 09 15.47841 00 37 34.629+08 24 18.04 21.7 wLES067F51 K17R16R C2017 09 15.49060 00 37 32.795+08 24 28.54 21.6 wLES067F51 K17R16R KC2017 09 16.28222000 35 39.32 +08 35 09.7 21.8 VuES067H21 K17R16R KC2017 09 16.29563100 35 37.30 +08 35 20.6 22.7 VuES067H21 K17R16R KC2017 09 16.31026000 35 35.11 +08 35 32.1 21.6 VuES067H21 K17R16R _C2017 09 16.44068000 35 16.862+08 37 22.79 21.3 GUES067568 K17R16R _C2017 09 16.44169800 35 16.710+08 37 23.58 21.4 GUES067568 K17R16R _C2017 09 16.44264600 35 16.570+08 37 24.34 21.3 GUES067568 K17R16R _C2017 09 16.45999100 35 13.958+08 37 38.20 21.3 GUES067568 K17R16R _C2017 09 16.46093800 35 13.815+08 37 38.98 21.3 GUES067568 K17R16R _C2017 09 16.46188500 35 13.672+08 37 39.72 21.4 GUES067568 K17R16R KC2017 09 18.48857 00 30 25.59 +09 03 18.5 21.3 RoES067291 K17R16R KC2017 09 18.49273 00 30 24.97 +09 03 21.4 21.4 RoES067291 K17R16R KC2017 09 18.49689 00 30 24.39 +09 03 24.2 21.3 RoES067291 K17R16R C2017 09 19.28471 00 28 35.61 +09 12 46.4 21.6 VqES067I52 K17R16R C2017 09 19.28855 00 28 35.02 +09 12 48.9 21.5 VqES067I52 K17R16R C2017 09 19.29240 00 28 34.47 +09 12 51.3 qES067I52 K17R16R C2017 09 19.29625 00 28 33.88 +09 12 54.6 qES067I52 Observer details: 291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD. 568 Mauna Kea. Observers R. J. Wainscoat, C. Crowder. Measurers M. Micheli, R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD. F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, 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. H21 Astronomical Research Observatory, Westfield. Observer R. Holmes. Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0 astrograph + CCD. I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny. Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD. Orbital elements: 2017 RR16 Earth MOID = 0.2063 AU Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC M 27.44140 (2000.0) P Q n 0.34356705 Peri. 285.51510 +0.16301076 +0.98623910 a 2.0189631 Node 353.67068 -0.78196194 +0.11210812 e 0.4723049 Incl. 14.48067 -0.60163362 +0.12150802 P 2.87 H 21.7 G 0.15 U 4 Residuals in seconds of arc 170822 F51 0.1- 0.1+ 170916 H21 0.2+ 0.2- 170918 291 0.1- 0.2+ 170822 F51 0.0 0.0 170916 H21 0.1- 0.1- 170918 291 0.4- 0.1+ 170822 F51 0.1+ 0.1- 170916 H21 0.2- 0.3- 170918 291 0.1- 0.1- 170831 F51 0.2+ 0.1- 170916 568 0.0 0.0 170919 I52 0.3+ 0.1+ 170831 F51 0.3- 0.1+ 170916 568 0.1+ 0.1- 170919 I52 0.2- 0.1- 170915 F51 0.1+ 0.1- 170916 568 0.1+ 0.1- 170919 I52 0.0 0.4- 170915 F51 0.1+ 0.0 170916 568 0.1+ 0.1- 170919 I52 0.5- 0.2+ 170915 F51 0.1- 0.1- 170916 568 0.1+ 0.0 170915 F51 0.1+ 0.3+ 170916 568 0.1+ 0.1- Ephemeris: 2017 RR16 a,e,i = 2.02, 0.47, 14 q = 1.0654 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2017 08 21 01 33 06.4 -00 28 29 0.4012 1.2889 126.0 39.4 21.8 ... 2017 09 05 01 02 43.1 +05 26 21 0.4231 1.3790 145.8 24.2 21.7 ... 2017 09 13 00 43 33.3 +07 48 08 0.4480 1.4292 156.9 16.0 21.6 ... 2017 09 19 00 29 15.0 +09 09 33 0.4744 1.4676 164.7 10.4 21.6 2017 09 20 00 26 56.4 +09 21 04 0.4795 1.4740 165.8 9.6 21.6 2017 09 21 00 24 39.7 +09 32 02 0.4848 1.4804 166.9 8.8 21.6 ... 2017 09 27 00 11 49.1 +10 26 45 0.5209 1.5191 171.1 5.9 21.7 ... 2017 10 05 23 57 34.0 +11 15 05 0.5805 1.5710 166.9 8.3 22.1 ... 2017 10 20 23 41 09.3 +11 59 47 0.7250 1.6680 151.2 16.7 23.0 A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-S67


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