MPEC 1998-K31 : 1998 KJ9
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 1998-K30
Read MPEC 1998-K32
M.P.E.C. 1998-K31 Issued 1998 May 29, 16:46 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 KJ9
Observations:
J98K09J* C1998 05 27.27405 16 55 01.18 +22 16 07.1 17.6 704
J98K09J C1998 05 27.29402 16 54 57.54 +22 18 27.0 18.5 704
J98K09J C1998 05 27.31365 16 54 53.96 +22 20 46.0 17.9 704
J98K09J C1998 05 27.33333 16 54 50.40 +22 23 02.5 18.2 704
J98K09J C1998 05 27.35298 16 54 46.77 +22 25 21.2 17.9 704
J98K09J C1998 05 28.05832 16 52 44.24 +23 51 14.9 17.2 V 046
J98K09J C1998 05 28.05906 16 52 44.09 +23 51 20.6 046
J98K09J C1998 05 28.05990 16 52 43.93 +23 51 26.7 046
J98K09J C1998 05 28.06885 16 52 42.15 +23 52 35.1 046
J98K09J C1998 05 28.06953 16 52 42.02 +23 52 40.2 046
J98K09J C1998 05 28.07021 16 52 41.88 +23 52 45.3 046
J98K09J C1998 05 28.07139 16 52 41.67 +23 52 54.5 16.8 V 046
J98K09J C1998 05 28.07253 16 52 41.37 +23 53 03.6 046
J98K09J C1998 05 28.29981 16 52 00.85 +24 22 34.5 17.5 704
J98K09J C1998 05 28.31972 16 51 56.55 +24 25 11.3 19.0 704
J98K09J C1998 05 28.33964 16 51 52.30 +24 27 47.4 18.3 704
J98K09J C1998 05 28.35961 16 51 48.13 +24 30 23.4 17.9 704
J98K09J C1998 05 28.37951 16 51 43.78 +24 33 02.3 18.9 704
J98K09J C1998 05 28.49988 16 51 23.81 +24 49 52.3 17.3 R 422
J98K09J C1998 05 28.50123 16 51 23.50 +24 50 02.8 17.4 R 422
J98K09J C1998 05 28.50260 16 51 23.22 +24 50 14.3 17.8 R 422
J98K09J C1998 05 28.51294 16 51 21.02 +24 51 38.2 17.3 R 422
J98K09J IC1998 05 28.51417 16 51 20.68 +24 51 47.6 17.7 R 422
J98K09J C1998 05 28.86925 16 50 08.51 +25 39 05.8 557
J98K09J C1998 05 28.87019 16 50 08.30 +25 39 13.8 557
J98K09J C1998 05 28.87112 16 50 08.11 +25 39 21.3 17.4 V 557
J98K09J C1998 05 28.87396 16 50 08.30 +25 39 53.4 17.0 R 620
J98K09J C1998 05 28.87882 16 50 07.18 +25 40 34.2 17.1 R 620
J98K09J C1998 05 28.88287 16 50 06.25 +25 41 08.2 620
J98K09J C1998 05 28.88808 16 50 05.06 +25 41 51.8 620
J98K09J C1998 05 28.89294 16 50 03.94 +25 42 32.6 620
J98K09J C1998 05 28.92822 16 49 55.25 +25 47 24.3 046
J98K09J C1998 05 28.92899 16 49 55.07 +25 47 31.0 17.3 V 046
J98K09J C1998 05 28.92979 16 49 54.87 +25 47 37.8 046
J98K09J C1998 05 28.93043 16 49 54.79 +25 47 43.1 046
J98K09J C1998 05 29.31358 16 48 29.92 +26 43 04.0 711
J98K09J IC1998 05 29.31721 16 48 28.93 +26 43 38.5 711
J98K09J C1998 05 29.32038 16 48 28.22 +26 44 03.9 711
J98K09J C1998 05 29.51572 16 47 45.48 +27 13 59.0 16.6 R 422
J98K09J C1998 05 29.51694 16 47 45.11 +27 14 10.4 16.8 R 422
J98K09J C1998 05 29.51818 16 47 44.86 +27 14 21.6 16.8 R 422
J98K09J C1998 05 29.52308 16 47 43.58 +27 15 06.3 16.6 R 422
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.25-m f/4.1 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
620 Observatorio Astronomico de Mallorca. Observers A. Lopez, R. Pacheco.
0.30-m f/3.3 Schmidt-Cassegrain + 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.
711 McDonald Observatory. Observer J. G. Ries. Measurers J. G. Ries,
P. J. Shelus. 0.76-m reflector + CCD.
Orbital elements:
1998 KJ9 PHA 0.009
Epoch 1998 May 27.0 TT = JDT 2450960.5 Williams
M 323.62305 (2000.0) P Q
n 0.56839543 Peri. 259.71055 +0.98217240 +0.02076717
a 1.4433412 Node 98.91700 +0.04951666 +0.93019751
e 0.6381325 Incl. 10.90128 -0.18134353 +0.36647143
P 1.73 H 19.5 G 0.15
From 42 observations 1998 May 27-29.
Ephemeris:
1998 KJ9 a,e,i = 1.44, 0.64, 11 q = 0.5223
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 05 27 16 55.73 +21 44.8 0.171 1.142 135.9 38.1 17.5
1998 05 28 16 52.94 +23 44.2 0.161 1.132 134.1 40.0 17.4
1998 05 29 16 49.65 +25 57.8 0.151 1.121 132.0 42.2 17.3
1998 05 30 16 45.75 +28 28.1 0.142 1.109 129.6 44.7 17.2
1998 05 31 16 41.06 +31 17.8 0.133 1.098 126.8 47.7 17.1
1998 06 01 16 35.32 +34 30.0 0.124 1.087 123.5 51.1 17.0
1998 06 02 16 28.17 +38 07.9 0.115 1.076 119.7 55.0 17.0
1998 06 03 16 19.03 +42 14.7 0.108 1.065 115.2 59.5 16.9
1998 06 04 16 07.01 +46 52.3 0.101 1.053 110.1 64.7 16.9
1998 06 05 15 50.59 +52 00.2 0.095 1.042 104.3 70.6 17.0
1998 06 06 15 27.12 +57 32.2 0.090 1.031 97.7 77.3 17.0
1998 06 07 14 51.80 +63 11.5 0.086 1.019 90.5 84.7 17.2
1998 06 08 13 56.37 +68 21.2 0.084 1.008 82.7 92.6 17.4
1998 06 09 12 31.9 +71 52.1 0.083 0.996 74.5 100.9 17.8
1998 06 10 10 47.8 +72 21.8 0.084 0.985 66.3 109.2 18.2
1998 06 11 09 18.14 +69 45.2 0.086 0.973 58.4 117.3 18.8
1998 06 12 08 18.05 +65 24.0 0.090 0.961 50.9 124.9 19.4
1998 06 13 07 39.84 +60 31.5 0.095 0.950 44.1 131.9 20.2
1998 06 14 07 14.68 +55 45.1 0.101 0.938 37.9 138.3 21.0
1998 06 15 06 57.21 +51 20.4 0.108 0.926 32.4 144.0 21.9
1998 06 16 06 44.50 +47 22.3 0.116 0.914 27.6 149.0 22.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-K31
Read MPEC 1998-K30
Read MPEC 1998-K32
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)