MPEC 1998-J04: 1998 HJ41
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M.P.E.C. 1998-J04 Issued 1998 May 2, 15:32 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 HJ41
Observations:
J98H41J* C1998 04 28.34487 16 07 11.81 +09 20 06.6 18.6 704
J98H41J C1998 04 28.36386 16 07 10.37 +09 21 46.3 18.5 704
J98H41J C1998 04 28.38271 16 07 09.14 +09 23 24.9 18.3 704
J98H41J C1998 04 28.40147 16 07 07.87 +09 25 04.2 18.7 704
J98H41J C1998 04 28.42027 16 07 06.58 +09 26 41.7 19.1 704
J98H41J C1998 04 30.83160 16 04 31.02 +12 55 43.4 046
J98H41J C1998 04 30.83289 16 04 30.98 +12 55 51.3 18.1 V 046
J98H41J C1998 04 30.83465 16 04 30.89 +12 55 59.2 046
J98H41J C1998 04 30.87029 16 04 28.26 +12 59 05.7 557
J98H41J C1998 04 30.87157 16 04 28.19 +12 59 11.3 557
J98H41J C1998 04 30.87286 16 04 28.06 +12 59 18.2 18.2 V 557
J98H41J C1998 05 01.09112 16 04 11.87 +13 18 07.8 18.3 V 046
J98H41J C1998 05 01.09242 16 04 11.79 +13 18 14.7 046
J98H41J C1998 05 01.86344 16 03 18.38 +14 24 26.4 557
J98H41J C1998 05 01.86515 16 03 18.26 +14 24 34.4 557
J98H41J C1998 05 01.86685 16 03 18.09 +14 24 43.2 557
J98H41J C1998 05 01.86839 16 03 18.05 +14 24 51.6 18.4 V 557
J98H41J C1998 05 01.91045 16 03 14.80 +14 28 29.1 046
J98H41J C1998 05 01.91157 16 03 14.73 +14 28 34.6 17.5 V 046
J98H41J C1998 05 01.91273 16 03 14.67 +14 28 39.8 046
J98H41J C1998 05 01.91383 16 03 14.57 +14 28 45.8 046
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
557 Ondrejov. Observer P. Pravec. 0.65-m f/3.6 reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko. Measurers J. Stuart, H. Viggh, J. Sharma. 1.0-m f/2.15
reflector + CCD.
Orbital elements:
1998 HJ41
Epoch 1998 Apr. 17.0 TT = JDT 2450920.5 Williams
M 263.32824 (2000.0) P Q
n 0.61352255 Peri. 118.34112 +0.76411746 +0.55103753
a 1.3716681 Node 212.03435 -0.52068077 +0.83377406
e 0.1254027 Incl. 39.21921 +0.38080973 +0.03432874
P 1.61 H 18.0 G 0.15
From 21 observations 1998 Apr. 28-May 1.
Ephemeris:
1998 HJ41 a,e,i = 1.37, 0.13, 39 q = 1.1997
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 04 27 16 08.51 +07 23.2 0.444 1.395 145.2 24.3 18.1
1998 04 29 16 06.52 +10 17.2 0.442 1.391 144.7 24.7 18.1
1998 05 01 16 04.31 +13 10.4 0.440 1.387 143.8 25.4 18.1
1998 05 03 16 01.90 +16 01.4 0.441 1.384 142.5 26.3 18.1
1998 05 05 15 59.31 +18 48.6 0.442 1.380 140.8 27.5 18.2
1998 05 07 15 56.54 +21 30.7 0.446 1.376 138.9 28.8 18.2
1998 05 09 15 53.63 +24 06.5 0.450 1.373 136.8 30.2 18.3
1998 05 11 15 50.59 +26 35.2 0.456 1.369 134.6 31.7 18.3
1998 05 13 15 47.44 +28 56.0 0.463 1.365 132.3 33.2 18.4
1998 05 15 15 44.21 +31 08.4 0.471 1.362 129.9 34.7 18.5
1998 05 17 15 40.91 +33 12.1 0.480 1.358 127.5 36.2 18.5
1998 05 19 15 37.59 +35 07.0 0.490 1.354 125.2 37.6 18.6
1998 05 21 15 34.25 +36 53.2 0.500 1.351 122.9 39.0 18.7
1998 05 23 15 30.93 +38 30.7 0.511 1.347 120.6 40.3 18.8
1998 05 25 15 27.66 +39 59.8 0.523 1.343 118.5 41.5 18.9
1998 05 27 15 24.46 +41 21.0 0.535 1.339 116.3 42.7 18.9
1998 05 29 15 21.35 +42 34.6 0.547 1.336 114.3 43.7 19.0
1998 05 31 15 18.37 +43 41.0 0.560 1.332 112.4 44.7 19.1
1998 06 02 15 15.53 +44 40.8 0.573 1.328 110.5 45.6 19.1
1998 06 04 15 12.84 +45 34.5 0.586 1.325 108.7 46.5 19.2
1998 06 06 15 10.33 +46 22.4 0.599 1.321 107.0 47.3 19.3
1998 06 08 15 07.99 +47 05.0 0.613 1.317 105.4 48.0 19.3
1998 06 10 15 05.85 +47 42.8 0.626 1.314 103.8 48.6 19.4
1998 06 12 15 03.91 +48 16.2 0.639 1.310 102.3 49.2 19.5
1998 06 14 15 02.18 +48 45.4 0.652 1.307 100.9 49.8 19.5
1998 06 16 15 00.65 +49 10.9 0.664 1.303 99.6 50.2 19.6
1998 06 18 14 59.34 +49 32.9 0.677 1.299 98.3 50.7 19.6
1998 06 20 14 58.24 +49 51.7 0.689 1.296 97.1 51.1 19.6
1998 06 22 14 57.35 +50 07.6 0.701 1.292 95.9 51.5 19.7
1998 06 24 14 56.69 +50 20.8 0.713 1.289 94.8 51.8 19.7
1998 06 26 14 56.24 +50 31.5 0.724 1.286 93.7 52.1 19.8
1998 06 28 14 56.01 +50 40.0 0.735 1.282 92.7 52.4 19.8
1998 06 30 14 55.99 +50 46.5 0.746 1.279 91.7 52.6 19.8
1998 07 02 14 56.18 +50 51.0 0.756 1.275 90.8 52.8 19.9
1998 07 04 14 56.57 +50 53.9 0.766 1.272 90.0 53.0 19.9
1998 07 06 14 57.16 +50 55.1 0.775 1.269 89.1 53.2 19.9
1998 07 08 14 57.94 +50 54.9 0.784 1.266 88.4 53.4 19.9
1998 07 10 14 58.91 +50 53.4 0.792 1.263 87.6 53.6 20.0
1998 07 12 15 00.07 +50 50.5 0.800 1.260 86.9 53.7 20.0
1998 07 14 15 01.40 +50 46.4 0.808 1.257 86.3 53.8 20.0
1998 07 16 15 02.91 +50 41.2 0.814 1.254 85.7 53.9 20.0
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-J04
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