MPEC 1998-U22: 1998 UD1
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.
Read MPEC 1998-U21
Read MPEC 1998-U23
M.P.E.C. 1998-U22 Issued 1998 Oct. 24, 15:43 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 UD1
Observations:
J98U01D C1998 09 24.26307 23 58 46.65 +36 01 38.8 19.0 704
J98U01D C1998 09 24.28556 23 58 45.04 +36 01 55.1 18.8 704
J98U01D C1998 09 24.30776 23 58 43.03 +36 02 11.3 19.6 704
J98U01D C1998 09 24.32997 23 58 41.69 +36 02 25.0 19.2 704
J98U01D C1998 09 24.35211 23 58 40.04 +36 02 39.3 19.5 704
J98U01D C1998 09 26.27919 23 56 24.72 +36 24 51.2 18.1 R 699
J98U01D C1998 09 26.29656 23 56 23.39 +36 25 02.8 699
J98U01D C1998 09 26.31393 23 56 22.08 +36 25 13.9 699
J98U01D* C1998 10 19.15147 23 32 52.31 +38 19 39.3 703
J98U01D C1998 10 19.15944 23 32 51.95 +38 19 39.5 703
J98U01D C1998 10 19.16760 23 32 51.59 +38 19 39.2 17.9 R 703
J98U01D C1998 10 20.29571 23 32 05.70 +38 19 00.4 658
J98U01D C1998 10 20.30810 23 32 05.19 +38 18 59.9 658
J98U01D C1998 10 20.31383 23 32 04.94 +38 18 59.5 658
J98U01D C1998 10 23.20524 23 30 24.50 +38 15 25.7 658
J98U01D C1998 10 23.21896 23 30 24.02 +38 15 24.3 658
J98U01D C1998 10 23.22785 23 30 23.74 +38 15 23.4 658
J98U01D C1998 10 24.08876 23 29 58.68 +38 13 46.3 658
J98U01D C1998 10 24.10141 23 29 58.27 +38 13 45.1 658
J98U01D C1998 10 24.11230 23 29 57.92 +38 13 44.0 658
J98U01D C1998 10 24.17488 23 29 55.84 +38 13 39.4 734
J98U01D C1998 10 24.20022 23 29 55.08 +38 13 36.4 734
J98U01D C1998 10 24.21179 23 29 54.65 +38 13 34.7 734
Observer details:
658 Dominion Astrophysical Observatory. Observer D. D. Balam. 1.82-m
reflector + CCD.
699 Lowell Observatory-LONEOS. Observer S. M. Hermann. Measurer B. W. Koehn.
0.59-m LONEOS Schmidt + CCD.
703 Catalina Sky Survey. Observers T. B. Spahr, R. Ditteon. Measurer
T. B. Spahr. 0.41-m f/3 Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m f/2.15
reflector + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
Orbital elements:
1998 UD1
Epoch 1998 Sept. 24.0 TT = JDT 2451080.5 Williams
M 354.12637 (2000.0) P Q
n 0.17684508 Peri. 67.38396 +0.86717954 -0.43959710
a 3.1434560 Node 317.66930 +0.22191227 +0.76175458
e 0.4230389 Incl. 20.33323 +0.44581900 +0.47590372
P 5.57 H 16.5 G 0.15
From 23 observations 1998 Sept. 24-Oct. 24.
Ephemeris:
1998 UD1 a,e,i = 3.14, 0.42, 20 q = 1.8137
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 10 24 23 30.01 +38 14.0 0.945 1.814 138.5 21.3 18.7
1998 11 03 23 27.75 +37 42.4 0.983 1.815 133.5 23.4 18.9
1998 11 13 23 30.54 +36 56.2 1.033 1.819 128.1 25.4 19.0
1998 11 23 23 38.12 +36 07.2 1.095 1.827 122.6 27.1 19.2
1998 12 03 23 49.90 +35 23.6 1.166 1.839 117.2 28.5 19.4
1998 12 13 00 05.12 +34 49.6 1.247 1.854 111.9 29.5 19.6
1998 12 23 00 23.11 +34 26.2 1.336 1.873 106.7 30.2 19.8
1999 01 02 00 43.29 +34 13.4 1.433 1.895 101.7 30.5 20.0
1999 01 12 01 05.11 +34 09.3 1.538 1.920 96.7 30.6 20.2
1999 01 22 01 28.18 +34 11.5 1.649 1.948 91.9 30.3 20.3
1999 02 01 01 52.15 +34 17.8 1.767 1.978 87.1 29.8 20.5
1999 02 11 02 16.71 +34 25.5 1.889 2.011 82.3 29.1 20.7
1999 02 21 02 41.67 +34 32.5 2.017 2.045 77.5 28.2 20.8
1999 03 03 03 06.81 +34 36.9 2.148 2.082 72.7 27.0 21.0
1999 03 13 03 31.94 +34 36.7 2.282 2.120 68.0 25.8 21.1
1999 03 23 03 56.95 +34 30.9 2.417 2.159 63.2 24.3 21.2
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-U22
Read MPEC 1998-U21
Read MPEC 1998-U23
Our Web policy. Index to the CBAT/MPC/ICQ pages.
