MPEC 1999-M28 : 1999 LD31
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 1999-M27
Read MPEC 1999-M29
M.P.E.C. 1999-M28 Issued 1999 June 25, 17:05 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 LD31
Observations:
J99L31D* C1999 06 08.36449 16 23 45.07 +01 23 07.6 18.6 704
J99L31D C1999 06 08.37391 16 23 43.16 +01 23 14.1 18.8 704
J99L31D C1999 06 08.38322 16 23 41.31 +01 23 21.3 19.1 704
J99L31D C1999 06 08.39252 16 23 39.44 +01 23 28.2 19.4 704
J99L31D C1999 06 09.16480 16 21 05.66 +01 32 37.2 18.2 704
J99L31D C1999 06 09.17478 16 21 03.61 +01 32 44.0 18.2 704
J99L31D C1999 06 09.18446 16 21 01.68 +01 32 50.8 18.3 704
J99L31D C1999 06 09.19413 16 20 59.75 +01 32 57.2 18.4 704
J99L31D C1999 06 09.20383 16 20 57.78 +01 33 04.9 18.7 704
J99L31D C1999 06 09.23046 16 20 52.47 +01 33 23.7 693
J99L31D C1999 06 09.23159 16 20 52.25 +01 33 24.6 693
J99L31D C1999 06 09.23237 16 20 52.09 +01 33 24.7 17.7 R 693
J99L31D C1999 06 09.94476 16 18 29.95 +01 41 42.7 18.1 R 118
J99L31D C1999 06 09.95545 16 18 27.79 +01 41 50.3 118
J99L31D C1999 06 09.95810 16 18 27.25 +01 41 52.2 118
J99L31D C1999 06 09.96650 16 18 25.56 +01 41 58.0 17.5 R 046
J99L31D C1999 06 09.96789 16 18 25.29 +01 41 59.3 046
J99L31D C1999 06 09.96912 16 18 25.06 +01 42 00.2 046
J99L31D C1999 06 09.97046 16 18 24.79 +01 42 01.4 046
J99L31D C1999 06 10.14064 16 17 50.90 +01 44 03.4 19.2 V 860
J99L31D C1999 06 10.15260 16 17 48.36 +01 44 12.5 18.9 V 860
J99L31D C1999 06 10.15742 16 17 47.34 +01 44 15.7 18.8 V 860
J99L31D C1999 06 10.23439 16 17 32.30 +01 45 04.6 18.6 704
J99L31D C1999 06 10.23479 16 17 32.23 +01 45 04.6 18.4 704
J99L31D C1999 06 10.23487 16 17 32.20 +01 45 04.6 18.3 704
J99L31D C1999 06 10.24891 16 17 29.36 +01 45 15.1 18.8 704
J99L31D C1999 06 10.24931 16 17 29.29 +01 45 14.7 19.4 704
J99L31D C1999 06 10.24938 16 17 29.31 +01 45 15.0 19.0 704
J99L31D C1999 06 10.26338 16 17 26.48 +01 45 24.7 18.8 704
J99L31D C1999 06 10.26378 16 17 26.40 +01 45 25.1 18.9 704
J99L31D C1999 06 10.26385 16 17 26.35 +01 45 24.5 19.0 704
J99L31D C1999 06 10.27789 16 17 23.55 +01 45 34.3 18.9 704
J99L31D C1999 06 10.27829 16 17 23.48 +01 45 34.6 18.6 704
J99L31D C1999 06 10.27836 16 17 23.47 +01 45 35.0 18.7 704
J99L31D C1999 06 10.29239 16 17 20.66 +01 45 45.0 18.6 704
J99L31D C1999 06 10.29279 16 17 20.55 +01 45 44.8 18.4 704
J99L31D C1999 06 10.29286 16 17 20.55 +01 45 45.3 18.7 704
J99L31D C1999 06 10.51394 16 16 36.69 +01 48 22.6 18.1 R 426
J99L31D C1999 06 10.51757 16 16 35.95 +01 48 25.1 18.1 R 426
J99L31D C1999 06 10.52129 16 16 35.22 +01 48 27.5 18.4 R 426
J99L31D C1999 06 10.58808 16 16 21.79 +01 49 13.4 18.6 R 428
J99L31D C1999 06 10.59130 16 16 21.16 +01 49 14.9 18.6 R 428
J99L31D C1999 06 10.59441 16 16 20.59 +01 49 15.8 18.6 R 428
J99L31D C1999 06 10.88615 16 15 22.56 +01 52 31.8 557
J99L31D C1999 06 10.88778 16 15 22.26 +01 52 33.2 557
J99L31D C1999 06 10.88942 16 15 21.92 +01 52 34.2 557
J99L31D C1999 06 10.89104 16 15 21.60 +01 52 35.0 557
J99L31D C1999 06 10.91692 16 15 16.48 +01 52 52.6 17.2 R 046
J99L31D C1999 06 10.91724 16 15 16.39 +01 52 52.2 118
J99L31D C1999 06 10.92086 16 15 15.60 +01 52 56.3 046
J99L31D C1999 06 10.92123 16 15 15.58 +01 52 55.0 118
J99L31D C1999 06 10.92267 16 15 15.34 +01 52 56.0 118
J99L31D C1999 06 11.23561 16 14 13.16 +01 56 30.4 18.5 704
J99L31D C1999 06 11.24859 16 14 10.54 +01 56 39.3 18.9 704
J99L31D C1999 06 11.26147 16 14 07.92 +01 56 47.7 19.0 704
J99L31D C1999 06 11.27438 16 14 05.39 +01 56 56.6 19.4 704
J99L31D C1999 06 11.28725 16 14 02.78 +01 57 05.2 18.9 704
J99L31D C1999 06 11.34144 16 13 51.97 +01 57 41.9 684
J99L31D C1999 06 11.34595 16 13 51.05 +01 57 44.7 684
J99L31D C1999 06 11.35110 16 13 50.05 +01 57 48.5 17.9 R 684
J99L31D C1999 06 11.66198 16 12 48.33 +02 01 18.2 18.1 V 360
J99L31D C1999 06 11.66441 16 12 47.85 +02 01 19.4 360
J99L31D C1999 06 11.66684 16 12 47.37 +02 01 21.1 360
J99L31D C1999 06 12.23279 16 10 55.37 +02 07 38.9 18.4 704
J99L31D C1999 06 12.24510 16 10 52.97 +02 07 47.0 18.8 704
J99L31D C1999 06 12.25736 16 10 50.50 +02 07 55.6 18.4 704
J99L31D C1999 06 12.26967 16 10 48.03 +02 08 03.9 18.5 704
J99L31D C1999 06 13.02152 16 08 19.42 +02 16 16.9 17.6 R 046
J99L31D C1999 06 13.02301 16 08 19.13 +02 16 18.6 046
J99L31D C1999 06 13.02412 16 08 18.90 +02 16 18.8 046
J99L31D C1999 06 13.02597 16 08 18.52 +02 16 19.7 046
J99L31D C1999 06 13.11236 16 08 01.58 +02 17 21.1 19.5 V 859
J99L31D C1999 06 13.11656 16 08 00.74 +02 17 25.2 19.8 V 859
J99L31D C1999 06 13.12132 16 07 59.85 +02 17 29.3 19.6 V 859
J99L31D C1999 06 13.16661 16 07 50.95 +02 17 51.7 17.9 R 784
J99L31D C1999 06 13.16892 16 07 50.50 +02 17 53.4 17.9 R 784
J99L31D C1999 06 13.19722 16 07 44.90 +02 18 11.7 17.9 R 784
J99L31D C1999 06 13.90352 16 05 26.03 +02 25 44.8 18.3 120
J99L31D IC1999 06 13.90547 16 05 25.57 +02 25 45.9 120
J99L31D C1999 06 13.91748 16 05 23.24 +02 25 53.4 120
J99L31D C1999 06 13.91975 16 05 22.75 +02 25 55.4 120
J99L31D C1999 06 14.22982 16 04 22.05 +02 29 12.4 18.5 704
J99L31D C1999 06 14.24219 16 04 19.58 +02 29 20.4 18.4 704
J99L31D C1999 06 14.25456 16 04 17.11 +02 29 27.5 19.0 704
J99L31D C1999 06 14.26700 16 04 14.66 +02 29 36.1 18.4 704
J99L31D C1999 06 14.27939 16 04 12.27 +02 29 44.2 18.3 704
J99L31D C1999 06 14.55611 16 03 18.14 +02 32 43.7 18.2 R 426
J99L31D C1999 06 14.56088 16 03 17.21 +02 32 46.4 18.3 R 426
J99L31D C1999 06 14.56442 16 03 16.50 +02 32 48.8 18.2 R 426
J99L31D C1999 06 14.61517 16 03 06.36 +02 33 16.4 19.2 V 402
J99L31D C1999 06 14.61586 16 03 06.36 +02 33 16.4 19.2 V 402
J99L31D C1999 06 14.61642 16 03 06.12 +02 33 16.5 402
J99L31D C1999 06 14.61711 16 03 06.12 +02 33 16.5 402
J99L31D C1999 06 14.61896 16 03 05.60 +02 33 17.4 402
J99L31D C1999 06 14.61965 16 03 05.60 +02 33 17.4 402
J99L31D C1999 06 14.62028 16 03 05.38 +02 33 18.3 402
J99L31D C1999 06 14.62097 16 03 05.38 +02 33 18.3 402
J99L31D C1999 06 14.90100 16 02 10.70 +02 36 12.5 18.3 120
J99L31D C1999 06 14.90287 16 02 10.35 +02 36 13.9 120
J99L31D C1999 06 14.90491 16 02 09.96 +02 36 15.2 120
J99L31D 3C1999 06 15.01046 16 01 49.40 +02 37 22.7 19.4 R 950
J99L31D 3C1999 06 15.01384 16 01 48.75 +02 37 24.8 19.4 R 950
J99L31D 3C1999 06 15.01722 16 01 48.08 +02 37 26.9 19.3 R 950
J99L31D C1999 06 15.22921 16 01 06.83 +02 39 36.2 18.0 704
J99L31D C1999 06 15.22928 16 01 06.80 +02 39 36.4 18.1 704
J99L31D C1999 06 15.24136 16 01 04.42 +02 39 44.1 17.9 704
J99L31D C1999 06 15.24143 16 01 04.43 +02 39 44.1 18.2 704
J99L31D C1999 06 15.25353 16 01 02.05 +02 39 51.3 18.0 704
J99L31D C1999 06 15.25361 16 01 02.04 +02 39 51.6 18.3 704
J99L31D C1999 06 15.26567 16 00 59.69 +02 39 58.7 18.4 704
J99L31D C1999 06 15.26574 16 00 59.64 +02 39 58.8 18.2 704
J99L31D C1999 06 15.27785 16 00 57.31 +02 40 06.2 18.1 704
J99L31D C1999 06 15.27793 16 00 57.27 +02 40 06.4 18.0 704
J99L31D pC1999 06 15.87484 15 59 01.34 +02 46 10.8 18.3 120
J99L31D C1999 06 15.87679 15 59 01.07 +02 46 11.6 120
J99L31D C1999 06 15.87880 15 59 00.63 +02 46 11.7 120
J99L31D C1999 06 15.88880 15 58 58.74 +02 46 17.6 611
J99L31D C1999 06 15.89274 15 58 57.92 +02 46 20.3 611
J99L31D C1999 06 15.89929 15 58 56.63 +02 46 24.1 611
J99L31D 3C1999 06 15.95594 15 58 45.80 +02 47 00.6 950
J99L31D 3C1999 06 15.95873 15 58 45.26 +02 47 02.4 950
J99L31D 3C1999 06 15.96154 15 58 44.70 +02 47 04.0 950
J99L31D 1C1999 06 16.25179 15 57 48.49 +02 49 57.8 658
J99L31D 1C1999 06 16.25394 15 57 48.10 +02 49 57.2 658
J99L31D 1C1999 06 16.25569 15 57 47.71 +02 49 58.8 658
J99L31D C1999 06 16.42752 15 57 14.75 +02 51 46.6 18.2 R 426
J99L31D C1999 06 16.43110 15 57 13.99 +02 51 49.1 18.2 R 426
J99L31D C1999 06 16.43534 15 57 13.18 +02 51 52.0 18.6 R 426
J99L31D C1999 06 16.87407 15 55 48.38 +02 56 08.4 18.2 120
J99L31D C1999 06 16.87859 15 55 47.71 +02 56 09.0 120
J99L31D C1999 06 16.88088 15 55 47.19 +02 56 09.2 118
J99L31D C1999 06 16.88457 15 55 46.45 +02 56 11.6 118
J99L31D C1999 06 16.89004 15 55 45.66 +02 56 16.5 620
J99L31D C1999 06 16.90219 15 55 43.14 +02 56 22.8 17.2 R 620
J99L31D C1999 06 16.90590 15 55 42.35 +02 56 23.9 118
J99L31D C1999 06 16.90891 15 55 41.74 +02 56 26.3 17.5 R 620
J99L31D C1999 06 17.43993 15 54 00.05 +03 01 41.2 18.4 R 422
J99L31D C1999 06 17.44156 15 53 59.74 +03 01 42.2 18.2 R 422
J99L31D C1999 06 17.44231 15 53 59.60 +03 01 42.7 17.6 R 422
J99L31D C1999 06 17.44369 15 53 59.31 +03 01 43.6 17.8 R 422
J99L31D C1999 06 17.50993 15 53 46.65 +03 02 21.5 17.6 R 426
J99L31D C1999 06 17.51480 15 53 45.73 +03 02 24.3 17.8 R 426
J99L31D C1999 06 17.93530 15 52 25.29 +03 06 19.9 587
J99L31D C1999 06 17.93877 15 52 24.57 +03 06 21.8 587
J99L31D C1999 06 18.56448 15 50 25.86 +03 12 20.0 17.8 R 426
J99L31D C1999 06 18.57072 15 50 24.68 +03 12 23.4 17.8 R 426
J99L31D C1999 06 18.94677 15 49 13.56 +03 15 46.5 046
J99L31D C1999 06 18.94912 15 49 13.12 +03 15 46.6 17.7 R 046
J99L31D C1999 06 18.95034 15 49 12.85 +03 15 47.7 046
J99L31D C1999 06 18.95242 15 49 12.49 +03 15 48.1 046
J99L31D C1999 06 18.95356 15 49 12.35 +03 15 49.8 046
J99L31D C1999 06 18.95534 15 49 11.98 +03 15 51.3 046
J99L31D 1C1999 06 19.25028 15 48 16.50 +03 18 31.3 658
J99L31D 1C1999 06 19.25306 15 48 16.05 +03 18 34.6 658
J99L31D 1C1999 06 19.25516 15 48 15.60 +03 18 35.3 658
J99L31D C1999 06 19.59197 15 47 12.25 +03 21 43.1 18.1 R 422
J99L31D C1999 06 19.59478 15 47 11.70 +03 21 44.7 18.6 R 422
J99L31D C1999 06 19.59575 15 47 11.48 +03 21 45.3 18.1 R 422
J99L31D C1999 06 19.91204 15 46 12.51 +03 24 29.1 18.4 V 620
J99L31D C1999 06 19.92361 15 46 10.26 +03 24 36.1 620
J99L31D C1999 06 19.92964 15 46 09.08 +03 24 39.0 620
J99L31D C1999 06 20.06095 15 45 44.68 +03 25 53.1 18.2 V 859
J99L31D C1999 06 20.07024 15 45 42.88 +03 25 57.9 17.7 V 859
J99L31D C1999 06 20.08576 15 45 40.04 +03 26 06.8 18.9 V 859
J99L31D C1999 06 20.23043 15 45 13.06 +03 27 19.6 711
J99L31D C1999 06 20.23659 15 45 11.82 +03 27 22.7 711
J99L31D C1999 06 20.24265 15 45 10.88 +03 27 24.8 711
J99L31D C1999 06 20.46529 15 44 29.58 +03 29 27.5 17.9 R 428
J99L31D C1999 06 20.86568 15 43 15.34 +03 32 50.5 16.8 R 046
J99L31D C1999 06 20.86786 15 43 14.96 +03 32 51.9 046
J99L31D C1999 06 20.86911 15 43 14.69 +03 32 52.6 046
J99L31D C1999 06 20.86992 15 43 14.65 +03 32 52.3 118
J99L31D C1999 06 20.87694 15 43 13.27 +03 32 55.3 118
J99L31D C1999 06 20.88122 15 43 12.53 +03 32 57.6 118
J99L31D C1999 06 22.48324 15 38 19.54 +03 46 21.8 17.6 V 402
J99L31D C1999 06 22.48450 15 38 19.40 +03 46 23.0 402
J99L31D C1999 06 22.48576 15 38 19.13 +03 46 22.5 402
J99L31D C1999 06 22.48703 15 38 18.91 +03 46 23.4 402
J99L31D C1999 06 22.88127 15 37 07.63 +03 49 33.6 17.7 R 046
J99L31D C1999 06 22.88251 15 37 07.40 +03 49 33.3 046
J99L31D C1999 06 22.88422 15 37 07.01 +03 49 34.5 046
J99L31D C1999 06 22.88992 15 37 05.99 +03 49 37.2 046
J99L31D C1999 06 22.91677 15 37 01.19 +03 49 50.1 595
J99L31D C1999 06 22.92372 15 36 59.96 +03 49 52.9 18.6 V 595
J99L31D C1999 06 22.93066 15 36 58.59 +03 49 56.5 595
J99L31D SC1999 06 22.93201 15 36 58.45 +03 49 56.2 557
J99L31D C1999 06 22.93760 15 36 57.32 +03 50 00.6 595
J99L31D C1999 06 22.94326 15 36 56.36 +03 50 02.7 557
J99L31D C1999 06 22.94708 15 36 55.70 +03 50 05.7 18.5 V 557
J99L31D C1999 06 23.86949 15 34 10.77 +03 57 17.7 118
J99L31D C1999 06 23.87219 15 34 10.27 +03 57 18.2 18.1 R 118
J99L31D C1999 06 23.87613 15 34 09.52 +03 57 20.6 118
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
118 Modra. Observers A. Galad, L. Kornos, P. Koleny, J. Toth. 0.6-m f/5.5
reflector + CCD.
120 Visnjan. Observers K. Korlevic, V. Jelic. Measurer K. Korlevic. 0.41-m
f/4.3 reflector + CCD.
360 Kuma Kogen. Observer A. Nakamura. 0.60-m f/6.0 Ritchey-Chretien + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 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, L. Sarounova, P. Kusnirak. 0.65-m f/3.6
reflector + CCD.
587 Sormano. Observers F. Manca, V. Giuliani. 0.5-m reflector + CCD.
595 Farra d'Isonzo. Observers G. Lombardi, A. Toso, E. Pettarin, W. Boschin,
M. Spolaor. Measurers G. Lombardi, A. Toso, E. Pettarin. 0.40-m f/4.5
reflector + CCD
611 Starkenburg. Observers M. Busch, E. Schwab, R. Stoss. Measurer S. Kluegl.
0.45-m f/4.4 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + CCD.
658 Dominion Astrophysical Observatory. Observers D. D. Balam, J. Taylor.
Measurer D. D. Balam. 1.82-m reflector + CCD.
684 Prescott. Observer P. G. Comba. 0.46-m f/4.5 reflector + CCD.
693 Catalina Station, Tucson. Observer C. W. Hergenrother. 1.5-m 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.
711 McDonald Observatory. Observer P. J. Shelus. 0.76-m reflector + CCD.
784 Stull Observatory, Alfred University. Observer D. R. DeGraff. 0.82-m f/4
reflector + CCD.
859 Serra da Piedade. Observer C. Jacques. 0.3-m f/3.3 Schmidt-Cassegrain
+ CCD.
860 Valinhos. Observer P. R. Holvorcem. 0.20-m f/3.3 reflector + CCD.
950 La Palma. Observers S. Collander-Brown, S. Lowry. Measurer
A. Fitzsimmons. 1.0-m reflector + CCD.
Orbital elements:
1999 LD31
Epoch 1999 June 11.0 TT = JDT 2451340.5 Williams
M 358.46218 (2000.0) P Q
n 0.00958888 Peri. 102.62610 -0.91760075 -0.25797392
a 21.9427311 Node 296.89210 -0.33371812 +0.91329821
e 0.8920575 Incl. 160.17856 +0.21596547 +0.31517588
P 103 H 13.9 G 0.15
From 192 observations 1999 June 8-23.
Ephemeris:
1999 LD31 a,e,i = 21.94, 0.89, 160 q = 2.3686
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 06 21 15 42.85 +03 34.0 2.000 2.835 137.7 14.0 18.5
1999 06 26 15 27.97 +04 13.0 2.041 2.808 130.3 16.0 18.6
1999 07 01 15 14.20 +04 44.3 2.094 2.781 123.0 17.9 18.7
1999 07 06 15 01.67 +05 08.2 2.157 2.755 115.8 19.4 18.8
1999 07 11 14 50.44 +05 25.4 2.227 2.730 108.7 20.7 18.8
1999 07 16 14 40.50 +05 36.7 2.304 2.705 102.0 21.6 18.9
1999 07 21 14 31.80 +05 42.9 2.386 2.681 95.5 22.2 19.0
1999 07 26 14 24.28 +05 44.8 2.470 2.657 89.2 22.5 19.1
1999 07 31 14 17.82 +05 43.3 2.555 2.634 83.1 22.5 19.1
1999 08 05 14 12.34 +05 39.0 2.640 2.612 77.3 22.3 19.2
1999 08 10 14 07.73 +05 32.4 2.724 2.591 71.7 21.8 19.2
1999 08 15 14 03.91 +05 24.1 2.805 2.571 66.3 21.1 19.2
1999 08 20 14 00.79 +05 14.5 2.884 2.551 61.0 20.3 19.2
1999 08 25 13 58.28 +05 03.9 2.958 2.532 55.8 19.3 19.2
1999 08 30 13 56.30 +04 52.8 3.027 2.514 50.9 18.1 19.2
1999 09 04 13 54.80 +04 41.3 3.090 2.497 46.0 16.9 19.2
1999 09 09 13 53.71 +04 29.7 3.148 2.481 41.3 15.5 19.2
1999 09 14 13 52.99 +04 18.2 3.199 2.466 36.6 14.1 19.2
1999 09 19 13 52.57 +04 07.0 3.243 2.452 32.2 12.6 19.2
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-M28
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