MPEC 1997-C06: 1997 BQ
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M.P.E.C. 1997-C06 Issued 1997 Feb. 10, 21:40 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/cfa/ps/mpc.html
1997 BQ
Revision to MPEC 1997-B15
Observations:
J97B00Q C1997 01 28.51111 12 03 32.39 +66 39 11.1 17.2 V 402
J97B00Q C1997 01 28.94771 12 08 23.91 +66 56 32.2 587
J97B00Q C1997 01 28.94942 12 08 24.96 +66 56 36.5 587
J97B00Q C1997 01 28.95150 12 08 26.48 +66 56 40.9 587
J97B00Q C1997 01 29.59571 12 15 55.67 +67 21 16.3 16.8 V 900
J97B00Q C1997 01 29.62249 12 16 14.38 +67 22 18.9 16.8 V 900
J97B00Q C1997 01 29.63259 12 16 21.18 +67 22 44.6 355
J97B00Q C1997 01 29.64002 12 16 26.31 +67 23 02.1 355
J97B00Q C1997 01 29.64551 12 16 30.05 +67 23 15.2 355
J97B00Q C1997 01 30.32066 12 24 44.84 +67 47 35.4 670
J97B00Q C1997 01 30.32691 12 24 49.42 +67 47 51.3 670
J97B00Q C1997 01 30.33472 12 24 55.24 +67 48 07.5 670
J97B00Q C1997 01 30.34427 12 25 02.47 +67 48 29.5 17.7 V 670
J97B00Q C1997 01 30.64741 12 28 51.13 +67 59 01.5 355
J97B00Q C1997 01 30.66076 12 29 01.08 +67 59 30.6 355
J97B00Q C1997 01 30.66396 12 29 03.43 +67 59 37.7 355
J97B00Q FC1997 01 31.29427 12 37 18.13 +68 20 20.2 670
J97B00Q FC1997 01 31.31545 12 37 34.58 +68 21 04.2 18.2 V 670
J97B00Q C1997 02 01.77236 12 57 50.99 +69 03 16.7 16.4 R 540
J97B00Q C1997 02 01.77598 12 57 54.27 +69 03 22.2 540
J97B00Q C1997 02 01.78160 12 57 59.08 +69 03 32.1 540
J97B00Q C1997 02 01.78519 12 58 02.71 +69 03 38.0 540
J97B00Q C1997 02 02.75995 13 12 37.05 +69 27 07.6 16.3 R 540
J97B00Q C1997 02 02.76163 13 12 38.58 +69 27 10.6 540
J97B00Q C1997 02 02.76403 13 12 40.84 +69 27 14.0 540
J97B00Q C1997 02 03.18023 13 19 03.72 +69 36 35.1 557
J97B00Q C1997 02 03.18301 13 19 06.27 +69 36 38.4 557
J97B00Q C1997 02 03.19266 13 19 15.03 +69 36 49.6 557
J97B00Q C1997 02 03.19844 13 19 20.33 +69 36 56.1 16.8 V 557
J97B00Q C1997 02 05.59375 13 58 56.75 +70 08 21.9 16.1 V 402
J97B00Q C1997 02 05.59583 13 58 58.81 +70 08 22.9 402
J97B00Q C1997 02 05.59757 13 59 00.63 +70 08 24.3 402
J97B00Q C1997 02 05.59931 13 59 02.40 +70 08 24.9 402
J97B00Q C1997 02 06.54943 14 15 25.66 +70 11 43.9 16.9 V 657
J97B00Q C1997 02 06.55094 14 15 27.32 +70 11 44.8 16.9 V 657
J97B00Q C1997 02 06.55241 14 15 28.60 +70 11 43.5 17.0 V 657
J97B00Q C1997 02 06.55389 14 15 30.11 +70 11 44.3 17.0 V 657
J97B00Q C1997 02 06.55535 14 15 31.54 +70 11 43.7 17.0 V 657
J97B00Q C1997 02 06.75973 14 19 09.15 +70 10 50.4 557
J97B00Q C1997 02 06.77058 14 19 20.87 +70 10 50.5 557
J97B00Q C1997 02 06.77659 14 19 27.39 +70 10 50.6 17.2 V 557
J97B00Q C1997 02 06.77887 14 19 29.99 +70 10 50.1 16.7 R 540
J97B00Q C1997 02 06.78081 14 19 32.00 +70 10 50.1 540
J97B00Q C1997 02 06.78289 14 19 34.33 +70 10 50.4 540
J97B00Q C1997 02 08.57645 14 51 18.15 +69 58 12.0 17.1 V 566
J97B00Q C1997 02 08.58490 14 51 26.76 +69 58 06.0 17.1 V 566
J97B00Q C1997 02 08.59338 14 51 35.42 +69 57 59.8 17.1 V 566
Observer details:
355 Hadano. Observer A. Asami. 0.2-m f/4.0 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
540 Linz. Observers E. Meyer, E. Obermair, H. Raab. 0.3-m f/5.2
Schmidt-Cassegrain + CCD.
557 Ondrejov. Observers P. Pravec, L. Sarounova. 0.65-m f/3.6 reflector + CCD.
566 Haleakala-NEAT/GEODSS. Observers E. F. Helin, S. Pravdo, K. J. Lawrence,
D. L. Rabinowitz for the NEAT team. 1.0-m f/2.2 GEODSS telescope + CCD.
587 Sormano. Observers P. Sicoli, F. Manca. 0.5-m reflector + CCD.
657 Climenhaga Observatory, Victoria. Observer D. D. Balam. 0.5-m telescope
+ CCD.
670 Camarillo. Observer J. E. Rogers. 0.25-m Schmidt-Cassegrain + CCD.
900 Moriyama. Observer Y. Ikari. 0.25-m f/6.3 reflector + CCD.
Orbital elements:
1997 BQ
Epoch 1997 Jan. 12.0 TT = JDT 2450460.5 Williams
M 328.36710 (2000.0) P Q
n 0.42747641 Peri. 147.22914 -0.94556831 +0.29042134
a 1.7452646 Node 50.36652 -0.32420896 -0.80176844
e 0.4782826 Incl. 10.99014 -0.02809118 -0.52232444
P 2.31 H 18.0 G 0.15
From 89 observations 1997 Jan. 16-Feb. 8.
Ephemeris:
1997 BQ a,e,i = 1.75, 0.48, 11 q = 0.9105
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 02 01 12 46.80 +68 42.0 0.239 1.116 117.6 51.5 17.0
1997 02 06 14 05.8 +70 10.4 0.221 1.085 110.9 58.1 17.0
1997 02 11 15 33.30 +69 03.7 0.207 1.055 103.6 65.4 17.0
1997 02 16 16 48.75 +65 08.1 0.196 1.027 96.0 73.1 17.1
1997 02 21 17 44.13 +58 58.5 0.187 1.001 88.3 80.9 17.2
1997 02 26 18 23.35 +51 18.9 0.183 0.978 80.9 88.5 17.4
1997 03 03 18 52.16 +42 46.5 0.182 0.958 74.1 95.4 17.6
1997 03 08 19 14.63 +33 54.2 0.185 0.941 68.4 101.0 17.9
1997 03 13 19 33.29 +25 11.8 0.193 0.927 64.4 104.8 18.1
1997 03 18 19 49.69 +17 03.4 0.204 0.917 62.0 106.6 18.3
1997 03 23 20 04.79 +09 45.1 0.219 0.912 61.3 106.5 18.5
1997 03 28 20 19.17 +03 24.2 0.238 0.911 61.9 104.8 18.5
1997 04 02 20 33.09 -01 59.6 0.258 0.914 63.4 102.0 18.6
1997 04 07 20 46.66 -06 31.4 0.280 0.921 65.5 98.5 18.6
1997 04 12 20 59.85 -10 18.4 0.302 0.932 67.9 94.6 18.6
1997 04 17 21 12.62 -13 28.3 0.324 0.947 70.6 90.6 18.6
1997 04 22 21 24.92 -16 08.2 0.346 0.965 73.4 86.5 18.7
1997 04 27 21 36.65 -18 24.5 0.366 0.987 76.4 82.4 18.7
1997 05 02 21 47.70 -20 23.0 0.386 1.011 79.5 78.5 18.7
1997 05 07 21 57.95 -22 08.7 0.403 1.038 82.7 74.6 18.7
1997 05 12 22 07.26 -23 45.7 0.419 1.067 86.1 70.9 18.7
1997 05 17 22 15.53 -25 17.4 0.433 1.097 89.6 67.2 18.8
1997 05 22 22 22.68 -26 46.6 0.445 1.129 93.3 63.5 18.8
1997 05 27 22 28.60 -28 15.5 0.456 1.162 97.2 59.9 18.8
1997 06 01 22 33.16 -29 46.1 0.466 1.196 101.3 56.3 18.8
1997 06 06 22 36.20 -31 19.4 0.474 1.230 105.7 52.6 18.8
1997 06 11 22 37.57 -32 56.0 0.482 1.265 110.2 48.8 18.8
1997 06 16 22 37.17 -34 35.4 0.489 1.301 115.0 45.0 18.7
1997 06 21 22 34.88 -36 16.3 0.497 1.336 120.0 41.2 18.7
1997 06 26 22 30.61 -37 56.9 0.506 1.372 125.1 37.3 18.7
1997 07 01 22 24.33 -39 34.5 0.517 1.407 130.3 33.5 18.7
1997 07 06 22 16.07 -41 05.6 0.529 1.442 135.4 29.7 18.7
1997 07 11 22 06.04 -42 25.9 0.545 1.477 140.2 26.1 18.7
1997 07 16 21 54.61 -43 32.0 0.564 1.512 144.7 22.9 18.7
1997 07 21 21 42.28 -44 20.8 0.586 1.546 148.3 20.2 18.8
1997 07 26 21 29.62 -44 51.1 0.613 1.580 150.9 18.2 18.9
1997 07 31 21 17.21 -45 02.6 0.644 1.614 152.2 17.1 19.0
1997 08 05 21 05.62 -44 56.5 0.680 1.647 152.0 16.8 19.1
1997 08 10 20 55.28 -44 34.8 0.721 1.679 150.6 17.3 19.3
1997 08 15 20 46.50 -44 00.6 0.765 1.711 148.1 18.2 19.5
1997 08 20 20 39.38 -43 16.9 0.814 1.743 144.9 19.5 19.7
1997 08 25 20 33.93 -42 26.2 0.868 1.773 141.4 20.8 20.0
1997 08 30 20 30.07 -41 30.9 0.925 1.804 137.6 22.2 20.2
1997 09 04 20 27.70 -40 32.5 0.985 1.834 133.7 23.4 20.4
1997 09 09 20 26.69 -39 32.5 1.049 1.863 129.8 24.5 20.6
1997 09 14 20 26.87 -38 31.8 1.116 1.891 126.0 25.5 20.8
1997 09 19 20 28.10 -37 31.1 1.186 1.919 122.1 26.3 21.0
1997 09 24 20 30.23 -36 30.8 1.258 1.947 118.4 27.0 21.2
1997 09 29 20 33.15 -35 31.0 1.333 1.973 114.7 27.5 21.3
1997 10 04 20 36.75 -34 31.8 1.409 2.000 111.0 27.8 21.5
1997 10 09 20 40.96 -33 33.3 1.488 2.025 107.4 28.1 21.6
1997 10 14 20 45.67 -32 35.4 1.567 2.050 103.9 28.2 21.8
1997 10 19 20 50.81 -31 38.1 1.648 2.075 100.4 28.2 21.9
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-C06
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