MPEC 1998-O13 : 1998 OK1
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-O12
Read MPEC 1998-O14
M.P.E.C. 1998-O13 Issued 1998 July 23, 14:27 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
1998 OK1
Observations:
J98O01K* C1998 07 21.21455 19 18 53.40 -28 31 00.3 17.9 704
J98O01K C1998 07 21.22827 19 18 50.64 -28 31 39.4 18.1 704
J98O01K C1998 07 21.24208 19 18 47.70 -28 32 18.7 19.0 704
J98O01K C1998 07 21.25603 19 18 44.77 -28 32 56.8 18.4 704
J98O01K C1998 07 22.41523 19 14 53.54 -29 27 27.1 17.8 R 422
J98O01K C1998 07 22.41601 19 14 53.37 -29 27 29.4 17.7 R 422
J98O01K C1998 07 22.42066 19 14 52.37 -29 27 43.2 17.6 R 422
J98O01K C1998 07 22.42167 19 14 52.14 -29 27 45.9 17.6 R 422
J98O01K C1998 07 22.50042 19 14 35.55 -29 32 02.5 18.2 V 402
J98O01K C1998 07 22.50146 19 14 35.42 -29 32 05.2 402
J98O01K C1998 07 22.50250 19 14 35.15 -29 32 07.7 402
J98O01K C1998 07 22.50354 19 14 34.91 -29 32 10.2 402
J98O01K C1998 07 22.50458 19 14 34.63 -29 32 13.6 402
J98O01K C1998 07 22.55102 19 14 24.65 -29 34 02.1 17.3 R 426
J98O01K C1998 07 22.55895 19 14 22.92 -29 34 25.1 17.5 R 426
J98O01K C1998 07 22.56351 19 14 21.92 -29 34 38.3 17.7 R 426
J98O01K C1998 07 22.56718 19 14 21.12 -29 34 49.0 17.5 R 426
J98O01K IC1998 07 23.51111 19 11 03.31 -30 20 31.5 18.5 R 422
J98O01K IC1998 07 23.51338 19 11 02.71 -30 20 38.3 18.5 R 422
J98O01K C1998 07 23.51455 19 11 02.56 -30 20 41.6 18.7 R 422
Observer details:
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.
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.
Orbital elements:
1998 OK1
Epoch 1998 July 6.0 TT = JDT 2451000.5 Williams
M 287.23948 (2000.0) P Q
n 0.63216390 Peri. 298.66741 +0.63830453 -0.73601747
a 1.3445685 Node 109.85162 +0.76305533 +0.56632513
e 0.4228143 Incl. 13.87096 +0.10155734 +0.37088292
P 1.56 H 19.5 G 0.15
From 20 observations 1998 July 21-23.
Ephemeris:
1998 OK1 a,e,i = 1.34, 0.42, 14 q = 0.7761
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 07 16 19 34.22 -24 39.8 0.335 1.351 176.4 2.7 18.1
1998 07 21 19 19.58 -28 20.5 0.309 1.320 167.8 9.3 18.2
1998 07 26 19 01.81 -32 23.9 0.288 1.287 158.2 17.1 18.2
1998 07 31 18 40.93 -36 39.4 0.272 1.254 148.1 25.3 18.3
1998 08 05 18 17.13 -40 53.7 0.262 1.221 137.8 33.9 18.4
1998 08 10 17 50.81 -44 53.6 0.255 1.187 127.7 42.5 18.6
1998 08 15 17 22.46 -48 28.8 0.253 1.153 117.9 51.0 18.7
1998 08 20 16 52.68 -51 33.7 0.252 1.118 108.6 59.1 18.9
1998 08 25 16 21.91 -54 07.0 0.254 1.084 99.9 66.8 19.0
1998 08 30 15 50.22 -56 09.7 0.256 1.049 91.7 74.2 19.2
1998 09 04 15 17.33 -57 41.6 0.258 1.015 84.1 81.2 19.4
1998 09 09 14 42.88 -58 39.0 0.260 0.982 76.9 88.1 19.6
1998 09 14 14 06.99 -58 54.7 0.262 0.949 70.0 94.9 19.9
1998 09 19 13 30.55 -58 19.6 0.265 0.918 63.5 101.5 20.1
1998 09 24 12 55.31 -56 44.8 0.267 0.888 57.4 107.9 20.4
1998 09 29 12 23.42 -54 05.4 0.271 0.861 51.8 113.9 20.7
1998 10 04 11 56.83 -50 23.4 0.276 0.837 47.0 119.0 21.1
1998 10 09 11 36.64 -45 49.8 0.284 0.816 43.4 122.8 21.4
1998 10 14 11 23.01 -40 42.7 0.296 0.799 41.2 124.7 21.6
1998 10 19 11 15.36 -35 23.1 0.311 0.787 40.6 124.5 21.6
1998 10 24 11 12.81 -30 10.1 0.330 0.779 41.5 122.2 21.6
1998 10 29 11 14.40 -25 18.2 0.353 0.776 43.4 118.3 21.4
1998 11 03 11 19.30 -20 56.4 0.378 0.779 46.0 113.5 21.2
1998 11 08 11 26.75 -17 08.4 0.406 0.786 48.9 108.2 21.1
1998 11 13 11 36.08 -13 53.9 0.434 0.799 51.9 102.8 21.0
1998 11 18 11 46.71 -11 10.0 0.462 0.815 54.8 97.6 20.9
1998 11 23 11 58.18 -08 52.1 0.489 0.836 57.8 92.6 20.8
1998 11 28 12 10.11 -06 55.5 0.514 0.860 60.6 88.0 20.8
1998 12 03 12 22.22 -05 15.9 0.537 0.887 63.5 83.7 20.8
1998 12 08 12 34.30 -03 49.1 0.558 0.917 66.3 79.8 20.8
1998 12 13 12 46.17 -02 31.6 0.576 0.948 69.2 76.2 20.8
1998 12 18 12 57.66 -01 20.0 0.591 0.980 72.1 72.8 20.9
1998 12 23 13 08.64 -00 11.5 0.603 1.014 75.2 69.7 20.9
1998 12 28 13 19.02 +00 56.1 0.612 1.048 78.3 66.8 20.9
1999 01 02 13 28.70 +02 04.7 0.618 1.082 81.6 64.0 20.9
1999 01 07 13 37.62 +03 16.2 0.622 1.117 85.0 61.3 20.9
1999 01 12 13 45.68 +04 31.9 0.624 1.151 88.6 58.6 20.9
1999 01 17 13 52.76 +05 53.3 0.623 1.186 92.3 56.0 20.9
1999 01 22 13 58.77 +07 21.2 0.621 1.220 96.3 53.3 20.8
1999 01 27 14 03.59 +08 56.4 0.617 1.253 100.5 50.6 20.8
1999 02 01 14 07.14 +10 39.1 0.612 1.286 104.8 47.8 20.8
1999 02 11 14 09.90 +14 26.6 0.602 1.350 114.1 41.9 20.7
1999 02 21 14 06.09 +18 36.3 0.596 1.411 124.0 35.5 20.6
1999 03 03 13 55.25 +22 47.3 0.598 1.469 133.6 29.3 20.5
1999 03 13 13 37.99 +26 28.1 0.613 1.523 141.6 23.9 20.5
1999 03 23 13 16.48 +29 05.2 0.646 1.574 145.8 20.8 20.6
1999 04 02 12 54.41 +30 18.4 0.698 1.621 144.9 20.8 20.8
1999 04 12 12 35.25 +30 11.2 0.768 1.665 139.9 22.8 21.1
1999 04 22 12 21.13 +29 01.2 0.853 1.705 132.9 25.6 21.5
1999 05 02 12 12.60 +27 09.9 0.952 1.741 125.4 28.2 21.8
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-O13
Read MPEC 1998-O12
Read MPEC 1998-O14
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)