MPEC 1998-Q30 : 1998 QK28
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M.P.E.C. 1998-Q30 Issued 1998 Aug. 28, 15:16 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 QK28
Observations:
J98Q28K* C1998 08 25.27554 22 54 55.83 +24 28 19.7 18.6 704
J98Q28K C1998 08 25.29664 22 55 06.10 +24 29 31.4 18.6 704
J98Q28K C1998 08 25.31782 22 55 16.64 +24 30 35.3 704
J98Q28K C1998 08 25.33889 22 55 27.13 +24 31 42.0 17.4 704
J98Q28K C1998 08 25.36004 22 55 37.67 +24 32 49.7 704
J98Q28K C1998 08 25.99361 23 01 25.97 +25 06 39.2 106
J98Q28K C1998 08 25.99704 23 01 27.83 +25 06 50.3 106
J98Q28K C1998 08 26.00419 23 01 31.72 +25 07 13.6 106
J98Q28K C1998 08 26.01524 23 01 37.69 +25 07 49.5 106
J98Q28K C1998 08 26.01814 23 01 39.29 +25 07 58.9 106
J98Q28K C1998 08 26.02294 23 01 41.89 +25 08 14.6 106
J98Q28K C1998 08 26.39131 23 05 14.48 +25 28 44.3 711
J98Q28K C1998 08 26.39581 23 05 17.00 +25 28 58.7 711
J98Q28K C1998 08 26.40031 23 05 19.49 +25 29 13.1 711
J98Q28K C1998 08 26.83488 23 09 50.24 +25 52 53.8 16.5 V 596
J98Q28K C1998 08 26.83994 23 09 53.35 +25 53 12.4 596
J98Q28K C1998 08 26.84635 23 09 57.22 +25 53 33.9 596
J98Q28K C1998 08 26.87213 23 10 12.85 +25 54 58.3 15.6 R 587
J98Q28K C1998 08 26.87363 23 10 13.76 +25 55 03.8 587
J98Q28K C1998 08 26.87588 23 10 15.10 +25 55 12.1 587
J98Q28K C1998 08 26.98518 23 11 22.03 +26 01 34.8 16.0 V 620
J98Q28K C1998 08 26.98842 23 11 23.92 +26 01 45.5 16.0 V 620
J98Q28K C1998 08 26.99085 23 11 25.40 +26 01 54.4 620
J98Q28K C1998 08 26.99293 23 11 26.66 +26 02 01.4 620
J98Q28K C1998 08 27.01999 23 11 42.10 +26 03 23.9 106
J98Q28K C1998 08 27.02336 23 11 44.17 +26 03 35.0 106
J98Q28K C1998 08 27.02534 23 11 45.35 +26 03 41.5 106
J98Q28K C1998 08 27.10265 23 12 40.46 +26 08 13.6 15.2 R 758
J98Q28K C1998 08 27.10571 23 12 41.98 +26 08 23.1 15.2 R 758
J98Q28K C1998 08 27.10911 23 12 44.27 +26 08 35.8 15.0 R 758
J98Q28K C1998 08 27.20247 23 13 43.48 +26 13 40.1 15.7 V 713
J98Q28K C1998 08 27.21694 23 13 52.53 +26 14 30.1 15.6 V 713
J98Q28K C1998 08 27.23377 23 14 03.16 +26 15 29.8 15.6 V 713
J98Q28K C1998 08 27.24527 23 14 10.31 +26 16 09.2 15.5 V 713
J98Q28K C1998 08 27.25741 23 14 17.92 +26 16 51.8 15.7 V 713
J98Q28K C1998 08 27.28024 23 14 32.19 +26 18 10.4 15.5 V 713
J98Q28K C1998 08 27.28872 23 14 37.64 +26 18 48.0 17.5 704
J98Q28K C1998 08 27.30631 23 14 48.66 +26 19 48.8 17.8 704
J98Q28K C1998 08 27.32395 23 14 59.73 +26 20 49.3 704
J98Q28K C1998 08 27.34156 23 15 10.69 +26 21 49.6 704
J98Q28K C1998 08 27.35923 23 15 21.66 +26 22 49.2 17.8 704
J98Q28K C1998 08 27.41260 23 15 57.09 +26 25 28.6 658
J98Q28K C1998 08 27.41426 23 15 58.19 +26 25 34.0 658
J98Q28K C1998 08 27.41894 23 16 01.14 +26 25 49.8 658
J98Q28K C1998 08 27.42082 23 16 02.38 +26 25 56.2 658
J98Q28K C1998 08 27.80090 23 20 25.91 +26 47 14.0 16.1 V 557
J98Q28K C1998 08 27.80160 23 20 26.36 +26 47 16.6 557
J98Q28K C1998 08 27.94734 23 22 06.19 +26 56 03.5 15.8 R 468
J98Q28K C1998 08 27.95916 23 22 14.11 +26 56 44.2 15.6 R 468
J98Q28K C1998 08 28.00494 23 22 45.04 +26 59 11.0 557
J98Q28K C1998 08 28.00565 23 22 45.52 +26 59 13.5 557
J98Q28K C1998 08 28.00635 23 22 45.99 +26 59 15.8 557
J98Q28K C1998 08 28.00706 23 22 46.48 +26 59 18.3 16.0 V 557
J98Q28K C1998 08 28.19444 23 25 05.21 +27 10 06.2 16.1 V 713
J98Q28K C1998 08 28.20895 23 25 15.49 +27 10 58.4 16.0 V 713
J98Q28K C1998 08 28.22917 23 25 29.70 +27 12 10.6 16.1 V 713
J98Q28K C1998 08 28.24270 23 25 39.23 +27 12 58.7 16.0 V 713
Observer details:
106 Crni Vrh. Observers H. Mikuz, J. Skvarc. 0.36-m f/6.7 Schmidt-Cassegrain
+ CCD.
468 Campo Catino. Observers F. Mallia, G. Masi. 0.80-m f/4.0 reflector + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
587 Sormano. Observers F. Manca, P. Sicoli. 0.5-m reflector + CCD.
596 Colleverde di Guidonia. Observer V. S. Casulli. 0.40-m f/2.95 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. Observer G. C. L. Aikman. 1.82-m
reflector + 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.
711 McDonald Observatory. Observer P. J. Shelus. 0.76-m reflector + CCD.
713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
Orbital elements:
1998 QK28 PHA 0.016
Epoch 1998 Aug. 15.0 TT = JDT 2451040.5 Williams
M 346.22097 (2000.0) P Q
n 0.28073284 Peri. 204.53796 +0.94340850 -0.33140002
a 2.3099748 Node 174.76882 +0.32231833 +0.90744822
e 0.5748302 Incl. 7.83373 +0.07804676 +0.25828620
P 3.51 H 19.5 G 0.15
From 57 observations 1998 Aug. 25-28.
Ephemeris:
1998 QK28 a,e,i = 2.31, 0.57, 8 q = 0.9821
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 08 25 22 52.52 +24 14.0 0.113 1.104 143.7 32.8 16.4
1998 08 30 23 49.24 +28 54.0 0.089 1.077 137.7 39.1 16.0
1998 09 04 01 25.53 +32 22.2 0.072 1.053 125.9 50.9 15.8
1998 09 09 03 29.94 +29 37.0 0.069 1.031 108.4 68.0 16.2
1998 09 14 05 08.33 +21 32.3 0.080 1.013 93.0 82.4 16.9
1998 09 19 06 07.58 +14 08.0 0.101 0.999 84.1 90.2 17.7
1998 09 24 06 43.39 +08 55.4 0.125 0.989 80.0 92.8 18.3
1998 09 29 07 06.95 +05 20.5 0.151 0.984 78.7 92.6 18.6
1998 10 04 07 23.82 +02 47.1 0.178 0.982 79.0 90.7 18.9
1998 10 09 07 36.74 +00 52.6 0.204 0.985 80.3 87.9 19.1
1998 10 14 07 47.06 -00 36.9 0.230 0.993 82.1 84.6 19.3
1998 10 19 07 55.44 -01 49.0 0.254 1.004 84.5 80.9 19.4
1998 10 24 08 02.24 -02 48.4 0.277 1.020 87.2 77.0 19.4
1998 10 29 08 07.61 -03 37.6 0.298 1.039 90.3 73.0 19.5
1998 11 03 08 11.66 -04 17.8 0.317 1.061 93.8 68.9 19.6
1998 11 08 08 14.38 -04 49.9 0.335 1.087 97.5 64.7 19.6
1998 11 13 08 15.72 -05 13.8 0.351 1.115 101.7 60.4 19.6
1998 11 18 08 15.63 -05 28.7 0.365 1.145 106.2 56.0 19.6
1998 11 23 08 14.06 -05 33.7 0.379 1.178 111.0 51.5 19.7
1998 11 28 08 11.03 -05 27.8 0.392 1.212 116.2 46.9 19.7
1998 12 03 08 06.64 -05 10.1 0.405 1.248 121.8 42.2 19.7
1998 12 08 08 00.99 -04 40.0 0.419 1.284 127.6 37.4 19.7
1998 12 13 07 54.26 -03 57.4 0.434 1.322 133.6 32.6 19.7
1998 12 18 07 46.71 -03 02.6 0.451 1.360 139.7 27.9 19.7
1998 12 23 07 38.67 -01 56.7 0.472 1.399 145.8 23.3 19.7
1998 12 28 07 30.51 -00 41.8 0.496 1.438 151.4 19.1 19.7
1999 01 02 07 22.62 +00 39.5 0.524 1.478 156.2 15.6 19.8
1999 01 12 07 08.76 +03 30.4 0.594 1.557 160.9 11.9 20.1
1999 01 22 06 58.80 +06 16.6 0.685 1.636 157.1 13.6 20.5
1999 02 01 06 53.45 +08 45.3 0.794 1.715 148.9 17.3 21.1
1999 02 11 06 52.47 +10 51.0 0.922 1.793 139.8 20.8 21.6
1999 02 21 06 55.26 +12 33.1 1.066 1.870 131.0 23.5 22.1
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Q30
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- B01 (the abbreviated form)