MPEC 1998-K06 : 1998 HU108
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M.P.E.C. 1998-K06 Issued 1998 May 19, 21:35 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
1998 HU108
Observations:
J98HA8U* C1998 04 23.25465 13 54 08.64 +03 56 43.4 18.2 704
J98HA8U C1998 04 23.27348 13 54 07.59 +03 56 36.2 704
J98HA8U C1998 04 23.29247 13 54 06.51 +03 56 30.9 704
J98HA8U C1998 04 23.31121 13 54 05.50 +03 56 23.9 704
J98HA8U C1998 04 23.33001 13 54 04.36 +03 56 18.2 704
J98HA8U C1998 04 24.27788 13 53 15.96 +03 50 48.2 704
J98HA8U C1998 04 24.29685 13 53 14.88 +03 50 41.4 18.8 704
J98HA8U C1998 04 24.31634 13 53 13.72 +03 50 34.3 704
J98HA8U C1998 04 24.33513 13 53 12.65 +03 50 27.3 704
J98HA8U C1998 04 24.35433 13 53 11.56 +03 50 20.8 704
J98HA8U C1998 05 16.27900 13 36 29.75 -00 27 15.2 17.6 704
J98HA8U C1998 05 16.29871 13 36 29.02 -00 27 35.9 17.7 704
J98HA8U C1998 05 16.31822 13 36 28.44 -00 27 54.6 18.1 704
J98HA8U C1998 05 16.33777 13 36 27.77 -00 28 16.6 18.3 704
J98HA8U C1998 05 16.35738 13 36 27.02 -00 28 36.8 18.3 704
J98HA8U C1998 05 17.25427 13 36 02.10 -00 44 28.7 17.7 704
J98HA8U C1998 05 17.27422 13 36 01.36 -00 44 51.3 18.3 704
J98HA8U C1998 05 18.97944 13 35 18.38 -01 16 07.4 17.5 V 557
J98HA8U C1998 05 18.98142 13 35 18.33 -01 16 09.4 557
J98HA8U C1998 05 18.98340 13 35 18.28 -01 16 11.4 557
J98HA8U C1998 05 19.19313 13 35 14.15 -01 20 03.5 696
J98HA8U C1998 05 19.19532 13 35 14.09 -01 20 06.0 696
J98HA8U C1998 05 19.19641 13 35 14.06 -01 20 07.3 17.6 R 696
J98HA8U C1998 05 19.22917 13 35 13.28 -01 20 44.5 670
J98HA8U C1998 05 19.25226 13 35 12.58 -01 21 09.8 17.1 V 670
J98HA8U C1998 05 19.26632 13 35 12.19 -01 21 27.5 670
J98HA8U C1998 05 19.27621 13 35 11.90 -01 21 37.5 670
J98HA8U C1998 05 19.48720 13 35 07.71 -01 25 18.0 16.9 R 426
J98HA8U C1998 05 19.49141 13 35 07.59 -01 25 22.7 16.7 R 426
J98HA8U C1998 05 19.49609 13 35 07.46 -01 25 28.1 16.9 R 426
J98HA8U C1998 05 19.50066 13 35 07.33 -01 25 33.3 16.9 R 426
J98HA8U C1998 05 19.52895 13 35 06.57 -01 26 25.0 17.7 V 402
J98HA8U C1998 05 19.53174 13 35 06.50 -01 26 27.8 402
J98HA8U C1998 05 19.53451 13 35 06.41 -01 26 31.1 402
J98HA8U C1998 05 19.57847 13 35 05.20 -01 27 20.9 17.3 V 900
J98HA8U C1998 05 19.63153 13 35 03.75 -01 28 20.4 900
J98HA8U C1998 05 19.84738 13 34 59.88 -01 32 31.4 17.6 V 046
J98HA8U C1998 05 19.84858 13 34 59.92 -01 32 32.6 046
J98HA8U C1998 05 19.86380 13 34 59.46 -01 32 50.3 557
J98HA8U C1998 05 19.86543 13 34 59.41 -01 32 52.3 557
J98HA8U C1998 05 19.86729 13 34 59.37 -01 32 54.5 557
J98HA8U C1998 05 19.86981 13 34 59.29 -01 32 57.3 557
J98HA8U C1998 05 19.87181 13 34 59.25 -01 32 59.3 17.7 V 557
J98HA8U C1998 05 19.87244 13 34 59.26 -01 33 00.0 046
J98HA8U C1998 05 19.87353 13 34 59.20 -01 33 01.1 046
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 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.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector
+ CCD.
670 Camarillo. Observer J. E. Rogers. 0.25-m Schmidt-Cassegrain + CCD.
696 Whipple Observatory, Mt. Hopkins. Observer C. W. Hergenrother. 1.2-m
reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh. 1.0-m f/2.15 reflector + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
Orbital elements:
1998 HU108
Epoch 1998 May 7.0 TT = JDT 2450940.5 Williams
M 347.94906 (2000.0) P Q
n 0.21597248 Peri. 195.09195 -0.19993618 +0.96904777
a 2.7512946 Node 63.55426 -0.88137496 -0.11330886
e 0.5057160 Incl. 9.30803 -0.42802302 -0.21933428
P 4.56 H 17.0 G 0.15
From 45 observations 1998 Apr. 23-May 19.
Ephemeris:
1998 HU108 a,e,i = 2.75, 0.51, 9 q = 1.3599
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 05 17 13 36.16 -00 39.8 0.488 1.441 145.6 23.4 17.3
1998 05 27 13 33.71 -03 59.7 0.487 1.410 137.3 29.1 17.5
1998 06 06 13 36.38 -07 56.1 0.495 1.386 130.1 34.1 17.6
1998 06 16 13 44.59 -12 15.0 0.513 1.370 124.0 38.0 17.8
1998 06 26 13 58.25 -16 42.3 0.538 1.361 119.0 40.8 17.9
1998 07 06 14 17.12 -21 05.0 0.571 1.361 115.1 42.6 18.1
1998 07 16 14 40.71 -25 10.1 0.611 1.368 111.9 43.6 18.3
1998 07 26 15 08.42 -28 46.2 0.660 1.383 109.4 43.8 18.5
1998 08 05 15 39.57 -31 44.4 0.719 1.406 107.2 43.6 18.7
1998 08 15 16 13.17 -33 58.5 0.786 1.435 105.2 42.9 18.9
1998 08 25 16 48.19 -35 25.9 0.864 1.471 103.1 42.0 19.2
1998 09 04 17 23.59 -36 08.1 0.952 1.512 100.9 40.9 19.4
1998 09 14 17 58.38 -36 09.2 1.050 1.557 98.4 39.7 19.6
1998 09 24 18 31.88 -35 35.1 1.159 1.607 95.7 38.4 19.9
1998 10 04 19 03.70 -34 32.4 1.278 1.659 92.7 37.0 20.1
1998 10 14 19 33.62 -33 07.5 1.405 1.714 89.4 35.6 20.4
1998 10 24 20 01.67 -31 25.6 1.541 1.771 85.8 34.1 20.6
1998 11 03 20 27.96 -29 31.5 1.684 1.830 81.9 32.5 20.8
1998 11 13 20 52.64 -27 28.7 1.833 1.890 77.7 30.8 21.0
1998 11 23 21 15.89 -25 19.9 1.987 1.950 73.4 29.0 21.2
1998 12 03 21 37.92 -23 07.4 2.144 2.010 68.8 27.2 21.4
1998 12 13 21 58.85 -20 52.8 2.303 2.071 64.1 25.3 21.6
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-K06
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