MPEC 1999-C27 : 1999 BJ8
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M.P.E.C. 1999-C27 Issued 1999 Feb. 12, 14:47 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 ISSN 1523-6714
1999 BJ8
Observations:
J99B08J* C1999 01 20.35912 08 53 27.52 +46 34 56.1 703
J99B08J C1999 01 20.36515 08 53 27.13 +46 35 03.8 16.3 R 703
J99B08J C1999 01 20.37506 08 53 26.44 +46 35 16.3 703
J99B08J C1999 01 23.34042 08 50 29.19 +47 41 40.0 703
J99B08J C1999 01 23.34880 08 50 28.49 +47 41 51.7 703
J99B08J C1999 02 11.25341 07 38 46.27 +58 40 19.7 17.3 704
J99B08J C1999 02 11.26575 07 38 37.66 +58 41 00.2 704
J99B08J C1999 02 11.27817 07 38 28.97 +58 41 41.2 704
J99B08J C1999 02 11.29064 07 38 20.17 +58 42 21.3 704
J99B08J C1999 02 11.30306 07 38 11.53 +58 43 01.4 704
J99B08J C1999 02 11.96178 07 30 40.96 +59 20 12.7 557
J99B08J C1999 02 11.96271 07 30 40.25 +59 20 15.7 557
J99B08J C1999 02 11.96365 07 30 39.51 +59 20 18.8 557
J99B08J C1999 02 11.96458 07 30 38.78 +59 20 22.0 15.5 V 557
J99B08J C1999 02 12.02382 07 30 06.98 +59 24 10.1 14.5 R 758
J99B08J C1999 02 12.02661 07 30 04.78 +59 24 20.7 14.5 R 758
J99B08J C1999 02 12.02844 07 30 03.33 +59 24 27.6 14.4 R 758
J99B08J C1999 02 12.03500 07 29 58.19 +59 24 52.5 14.5 R 758
J99B08J C1999 02 12.03708 07 29 56.52 +59 25 00.4 14.5 R 758
J99B08J C1999 02 12.03917 07 29 54.86 +59 25 08.3 14.6 R 758
J99B08J C1999 02 12.04443 07 29 50.70 +59 25 28.0 14.5 R 758
J99B08J C1999 02 12.04653 07 29 49.03 +59 25 36.0 14.6 R 758
J99B08J C1999 02 12.04861 07 29 47.37 +59 25 43.9 14.5 R 758
J99B08J C1999 02 12.05069 07 29 45.72 +59 25 51.3 14.2 R 758
J99B08J C1999 02 12.12487 07 28 49.29 +59 29 58.2 14.8 V 713
J99B08J C1999 02 12.13339 07 28 42.46 +59 30 29.6 14.8 V 713
J99B08J C1999 02 12.14877 07 28 29.97 +59 31 26.6 14.8 V 713
J99B08J C1999 02 12.16150 07 28 15.47 +59 32 32.9 14.5 R 758
J99B08J C1999 02 12.16360 07 28 13.75 +59 32 40.3 14.6 R 758
J99B08J C1999 02 12.16568 07 28 12.02 +59 32 47.6 14.6 R 758
J99B08J C1999 02 12.16713 07 28 15.06 +59 32 33.4 14.8 V 713
J99B08J C1999 02 12.16777 07 28 10.32 +59 32 54.7 14.7 R 758
J99B08J C1999 02 12.19009 07 27 56.21 +59 33 56.3 14.5 V 713
J99B08J C1999 02 12.20814 07 27 41.36 +59 35 00.5 14.5 V 713
J99B08J C1999 02 12.27473 07 26 44.72 +59 38 46.5 14.1 V 734
J99B08J C1999 02 12.27861 07 26 41.50 +59 38 59.4 14.3 V 734
J99B08J C1999 02 12.28523 07 26 36.08 +59 39 21.3 14.4 V 734
J99B08J C1999 02 12.48495 07 24 07.00 +59 51 27.9 14.6 V 355
J99B08J C1999 02 12.48802 07 24 04.33 +59 51 39.2 355
J99B08J C1999 02 12.49149 07 24 01.35 +59 51 52.1 355
Observer details:
355 Hadano. Observer A. Asami. 0.28-m f/5.0 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
703 Catalina Sky Survey. Observer 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.
713 Thornton. Observer R. A. Koff. 0.20-m f/10 Schmidt-Cassegrain + CCD.
734 Farpoint Observatory. Observers G. Hug, G. Bell. 0.30-m
Schmidt-Cassegrain + CCD.
758 BCC Observatory, Cocoa. Observer I. P. Griffin. 0.30-m f/5 Maksutov
+ CCD.
Orbital elements:
1999 BJ8 PHA 0.034
Epoch 1999 Jan. 22.0 TT = JDT 2451200.5 Williams
M 334.87799 (2000.0) P Q
n 0.37752534 Peri. 221.34195 -0.92858422 +0.36722911
a 1.8960014 Node 340.00742 -0.28576734 -0.79968685
e 0.5492512 Incl. 9.02140 -0.23678760 -0.47501971
P 2.61 H 18.2 G 0.15
From 40 observations 1999 Jan. 20-Feb. 12.
Ephemeris:
1999 BJ8 a,e,i = 1.90, 0.55, 9 q = 0.8546
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 02 11 07 41.44 +58 25.6 0.100 1.055 130.9 45.0 15.0
1999 02 12 07 30.29 +59 22.2 0.093 1.048 128.6 47.5 14.9
1999 02 13 07 16.80 +60 21.8 0.086 1.040 126.0 50.1 14.8
1999 02 14 07 00.24 +61 23.1 0.080 1.033 123.2 53.1 14.7
1999 02 15 06 39.63 +62 24.0 0.074 1.026 119.9 56.5 14.6
1999 02 16 06 13.74 +63 19.5 0.067 1.019 116.2 60.4 14.5
1999 02 17 05 41.12 +64 01.0 0.061 1.013 111.9 64.9 14.5
1999 02 18 05 00.59 +64 12.7 0.056 1.006 106.8 70.2 14.4
1999 02 19 04 12.27 +63 30.6 0.051 0.999 100.8 76.4 14.4
1999 02 20 03 18.83 +61 23.4 0.046 0.993 93.6 83.8 14.4
1999 02 21 02 25.44 +57 21.6 0.042 0.986 85.0 92.6 14.6
1999 02 22 01 37.24 +51 10.7 0.039 0.980 74.9 102.9 14.9
1999 02 23 00 56.88 +43 01.9 0.037 0.973 63.6 114.5 15.4
1999 02 24 00 24.45 +33 34.5 0.036 0.967 51.5 126.8 16.3
1999 02 25 23 58.75 +23 46.7 0.037 0.961 39.5 139.1 17.7
1999 02 26 23 38.36 +14 33.2 0.039 0.955 28.3 150.6 19.6
1999 03 13 22 05.61 -29 37.3 0.135 0.884 33.2 142.0 20.7
1999 03 23 21 59.25 -32 43.9 0.213 0.859 45.1 124.8 19.7
1999 04 02 22 04.20 -32 39.4 0.293 0.856 53.1 111.0 19.4
1999 04 12 22 14.95 -31 17.9 0.371 0.874 59.5 99.1 19.3
1999 04 22 22 28.08 -29 25.4 0.440 0.913 65.2 88.8 19.4
1999 05 02 22 41.28 -27 25.7 0.499 0.967 70.9 79.9 19.4
1999 05 12 22 53.10 -25 33.2 0.544 1.033 76.8 72.3 19.5
1999 05 22 23 02.33 -23 58.1 0.576 1.107 83.5 65.3 19.5
1999 06 01 23 08.06 -22 46.0 0.596 1.185 91.0 58.8 19.6
1999 06 11 23 09.49 -22 00.9 0.606 1.266 99.6 52.2 19.5
1999 06 21 23 05.70 -21 44.2 0.609 1.348 109.6 45.2 19.5
1999 07 01 22 56.05 -21 53.1 0.611 1.430 120.9 37.6 19.4
1999 07 11 22 40.45 -22 20.1 0.618 1.511 133.7 29.1 19.3
1999 07 21 22 19.80 -22 51.9 0.636 1.590 147.5 20.1 19.2
1999 07 31 21 56.57 -23 12.7 0.674 1.667 161.3 11.3 19.1
1999 08 10 21 33.97 -23 12.7 0.733 1.742 171.6 4.9 19.1
1999 08 20 21 14.89 -22 50.9 0.816 1.815 166.0 7.7 19.6
1999 08 30 21 00.96 -22 12.6 0.922 1.885 154.6 13.3 20.2
1999 09 09 20 52.41 -21 24.6 1.049 1.953 143.5 17.8 20.7
1999 09 19 20 48.74 -20 31.3 1.192 2.018 133.3 21.2 21.1
1999 09 29 20 49.13 -19 35.1 1.348 2.081 123.9 23.5 21.6
1999 10 09 20 52.73 -18 36.7 1.516 2.141 115.2 25.0 21.9
1999 10 19 20 58.85 -17 35.9 1.691 2.199 106.9 25.7 22.2
1999 10 29 21 06.92 -16 32.4 1.872 2.254 99.1 25.8 22.5
1999 11 08 21 16.47 -15 25.8 2.055 2.307 91.6 25.4 22.7
1999 11 18 21 27.16 -14 15.8 2.239 2.358 84.4 24.7 23.0
1999 11 28 21 38.71 -13 02.1 2.421 2.406 77.4 23.6 23.1
1999 12 08 21 50.89 -11 44.8 2.599 2.452 70.5 22.2 23.3
1999 12 18 22 03.56 -10 23.9 2.771 2.496 63.7 20.7 23.4
1999 12 28 22 16.57 -08 59.7 2.935 2.537 57.0 19.0 23.5
2000 01 07 22 29.82 -07 32.5 3.090 2.577 50.4 17.1 23.6
2000 01 17 22 43.23 -06 02.6 3.233 2.614 43.9 15.1 23.7
2000 01 27 22 56.73 -04 30.5 3.363 2.649 37.4 13.0 23.7
2000 02 06 23 10.27 -02 56.6 3.479 2.682 31.0 10.9 23.7
2000 02 16 23 23.82 -01 21.4 3.579 2.713 24.6 8.7 23.7
2000 02 26 23 37.31 +00 14.7 3.663 2.741 18.4 6.5 23.7
2000 03 07 23 50.75 +01 51.0 3.730 2.768 12.2 4.3 23.7
2000 03 17 00 04.09 +03 27.2 3.780 2.793 6.2 2.2 23.6
2000 03 27 00 17.31 +05 02.8 3.811 2.815 3.0 1.1 23.5
2000 04 06 00 30.39 +06 37.4 3.825 2.836 7.6 2.7 23.7
2000 04 16 00 43.30 +08 10.5 3.821 2.855 13.6 4.7 23.8
2000 04 26 00 55.99 +09 41.7 3.799 2.872 19.7 6.8 23.9
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-C27
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