MPEC 1999-R26 : 1999 RR28
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M.P.E.C. 1999-R26 Issued 1999 Sept. 10, 16:27 UT The Minor Planet Electronic Circulars contain information on unusual minor planets and routine data on comets. They are published on behalf of Commission 20 of the International Astronomical Union by the Minor Planet Center, Smithsonian Astrophysical Observatory, Cambridge, MA 02138, U.S.A. BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714 1999 RR28 Observations: J99R28R* C1999 09 07.34969 22 38 24.31 -02 48 02.6 19.6 704 J99R28R C1999 09 07.36152 22 38 22.76 -02 48 15.4 19.8 704 J99R28R C1999 09 07.37335 22 38 21.11 -02 48 27.4 19.6 704 J99R28R C1999 09 08.83678 22 35 08.03 -03 16 19.9 557 J99R28R C1999 09 08.83841 22 35 07.78 -03 16 21.1 557 J99R28R C1999 09 08.84005 22 35 07.50 -03 16 23.3 557 J99R28R C1999 09 08.84168 22 35 07.27 -03 16 25.6 18.9 V 557 J99R28R C1999 09 08.86794 22 35 03.69 -03 16 55.5 18.0 R 046 J99R28R C1999 09 08.87047 22 35 03.28 -03 16 59.0 046 J99R28R C1999 09 08.87334 22 35 02.94 -03 17 03.3 18.3 R 046 J99R28R C1999 09 08.87501 22 35 02.78 -03 17 03.9 046 J99R28R C1999 09 08.96821 22 34 49.72 -03 18 52.4 595 J99R28R C1999 09 08.98869 22 34 46.85 -03 19 15.7 18.7 V 595 J99R28R C1999 09 09.19506 22 34 19.51 -03 23 16.1 18.6 704 J99R28R C1999 09 09.20897 22 34 17.47 -03 23 33.5 19.3 704 J99R28R C1999 09 09.22325 22 34 15.53 -03 23 49.9 18.8 704 J99R28R C1999 09 09.23725 22 34 13.56 -03 24 06.6 18.9 704 J99R28R C1999 09 09.25113 22 34 11.52 -03 24 23.4 19.2 704 J99R28R C1999 09 09.50275 22 33 37.59 -03 29 21.4 19.1 V 402 J99R28R C1999 09 09.50509 22 33 37.01 -03 29 07.8 18.8 R 428 J99R28R C1999 09 09.50528 22 33 37.20 -03 29 24.7 402 J99R28R C1999 09 09.50780 22 33 36.79 -03 29 26.9 402 J99R28R C1999 09 09.50906 22 33 36.70 -03 29 29.1 402 J99R28R C1999 09 09.51106 22 33 36.22 -03 29 16.2 19.0 R 428 J99R28R C1999 09 09.83179 22 32 52.22 -03 35 57.8 557 J99R28R C1999 09 09.88873 22 32 44.17 -03 37 05.2 19.0 V 557 J99R28R C1999 09 09.90721 22 32 41.59 -03 37 27.1 046 J99R28R C1999 09 09.90873 22 32 41.33 -03 37 29.0 046 J99R28R C1999 09 09.91030 22 32 41.10 -03 37 31.1 046 J99R28R C1999 09 09.91168 22 32 40.88 -03 37 32.4 17.9 R 046 J99R28R C1999 09 09.93295 22 32 37.90 -03 37 58.2 595 J99R28R C1999 09 09.93720 22 32 37.29 -03 38 02.4 595 J99R28R C1999 09 09.94146 22 32 36.71 -03 38 09.4 18.8 V 595 J99R28R C1999 09 10.57759 22 31 08.14 -03 50 42.5 18.7 R 426 J99R28R C1999 09 10.58649 22 31 06.91 -03 50 52.5 18.7 R 426 J99R28R C1999 09 10.59115 22 31 06.15 -03 50 59.1 18.4 R 426 Observer details: 046 Klet. Observers M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector + CCD. 402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector + CCD. 426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD. 428 Reedy Creek. Observer J. Broughton. 0.25-m f/6.3 Schmidt-Cassegrain + CCD. 557 Ondrejov. Observers P. Pravec, P. Kusnirak. 0.65-m f/3.6 reflector + CCD. 595 Farra d'Isonzo. Observers G. Lombardi, M. Spolaor, A. Toso, C. Tonini, E. Pettarin. 0.40-m f/4.5 reflector + CCD 704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly, M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15 reflector + CCD. Orbital elements: 1999 RR28 PHA 0.018 Epoch 1999 Aug. 30.0 TT = JDT 2451420.5 Williams M 317.56120 (2000.0) P Q n 0.37479420 Peri. 284.23043 -0.22342918 -0.97471574 a 1.9052010 Node 178.66948 +0.93594658 -0.21538158 e 0.6630335 Incl. 7.26483 +0.27218265 -0.05949788 P 2.63 H 18.7 G 0.15 From 36 observations 1999 Sept. 7-10. Ephemeris: 1999 RR28 a,e,i = 1.91, 0.66, 7 q = 0.6420 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 1999 09 09 22 34.76 -03 19.3 0.585 1.588 171.4 5.4 19.0 1999 09 14 22 22.86 -05 03.9 0.547 1.540 164.2 10.3 19.0 1999 09 19 22 09.93 -07 00.8 0.515 1.490 156.0 15.9 19.0 1999 09 24 21 56.33 -09 07.1 0.489 1.440 147.4 22.1 19.0 1999 09 29 21 42.44 -11 18.9 0.469 1.389 138.6 28.5 19.0 1999 10 04 21 28.69 -13 32.5 0.453 1.337 129.8 35.1 19.1 1999 10 09 21 15.46 -15 44.3 0.440 1.284 121.2 41.7 19.1 1999 10 14 21 03.03 -17 52.3 0.430 1.230 112.8 48.4 19.1 1999 10 19 20 51.52 -19 55.5 0.421 1.175 104.6 55.1 19.2 1999 10 24 20 40.81 -21 54.9 0.412 1.120 96.7 61.9 19.2 1999 10 29 20 30.62 -23 52.0 0.403 1.065 89.0 68.8 19.3 1999 11 03 20 20.44 -25 49.7 0.392 1.010 81.3 76.1 19.3 1999 11 08 20 09.54 -27 50.7 0.380 0.956 73.5 84.0 19.4 1999 11 13 19 56.82 -29 58.0 0.366 0.902 65.5 92.8 19.6 1999 11 18 19 40.71 -32 12.4 0.351 0.850 56.9 102.8 19.8 Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-R26


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