MPEC 1998-Y14 : 1998 YN1
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M.P.E.C. 1998-Y14 Issued 1998 Dec. 18, 17:48 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 YN1
Observations:
J98Y01N* C1998 12 16.21469 06 04 05.46 +30 07 18.6 18.2 704
J98Y01N C1998 12 16.26500 06 03 58.71 +30 07 48.1 19.7 704
J98Y01N C1998 12 16.36401 06 03 45.06 +30 08 43.2 19.0 704
J98Y01N C1998 12 16.41190 06 03 38.71 +30 09 11.3 18.4 704
J98Y01N C1998 12 17.08535 06 02 09.30 +30 15 23.6 557
J98Y01N C1998 12 17.08745 06 02 09.04 +30 15 24.2 557
J98Y01N C1998 12 17.15587 06 01 59.62 +30 16 01.8 046
J98Y01N C1998 12 17.16155 06 01 58.83 +30 16 04.3 046
J98Y01N C1998 12 17.16370 06 01 58.56 +30 16 05.6 17.8 V 046
J98Y01N C1998 12 17.16522 06 01 58.32 +30 16 07.0 046
J98Y01N C1998 12 17.16800 06 01 57.99 +30 16 08.3 046
J98Y01N C1998 12 17.17859 06 01 57.89 +30 16 18.6 18.2 704
J98Y01N C1998 12 17.20189 06 01 54.74 +30 16 32.3 18.8 704
J98Y01N C1998 12 17.22514 06 01 51.45 +30 16 44.6 19.2 704
J98Y01N C1998 12 17.24825 06 01 48.14 +30 16 58.0 18.4 704
J98Y01N C1998 12 17.29373 06 01 41.81 +30 17 22.4 18.5 704
J98Y01N C1998 12 17.31685 06 01 38.59 +30 17 36.3 18.3 704
J98Y01N C1998 12 17.34010 06 01 35.20 +30 17 50.2 19.3 704
J98Y01N C1998 12 17.36323 06 01 32.07 +30 18 04.2 18.8 704
J98Y01N C1998 12 17.38626 06 01 28.54 +30 18 18.3 19.0 704
J98Y01N C1998 12 17.40820 06 01 25.74 +30 18 26.2 17.9 704
J98Y01N C1998 12 17.43085 06 01 22.48 +30 18 38.8 19.8 704
J98Y01N C1998 12 17.45359 06 01 19.47 +30 18 51.2 18.4 704
J98Y01N C1998 12 17.47635 06 01 16.33 +30 19 03.8 18.7 704
J98Y01N C1998 12 17.49037 06 01 15.80 +30 19 11.3 18.6 V 402
J98Y01N C1998 12 17.49177 06 01 15.61 +30 19 12.5 402
J98Y01N C1998 12 17.49316 06 01 15.44 +30 19 12.7 402
J98Y01N C1998 12 17.49455 06 01 15.23 +30 19 13.8 402
J98Y01N C1998 12 17.87214 06 00 23.49 +30 22 41.8 18.1 V 046
J98Y01N C1998 12 17.87301 06 00 23.35 +30 22 41.7 046
J98Y01N C1998 12 17.87444 06 00 23.15 +30 22 42.9 046
J98Y01N C1998 12 17.87567 06 00 23.02 +30 22 43.3 046
J98Y01N C1998 12 17.96125 06 00 10.89 +30 23 31.1 118
J98Y01N C1998 12 17.96530 06 00 10.33 +30 23 33.3 18.2 R 118
J98Y01N C1998 12 17.96784 06 00 09.98 +30 23 34.6 118
J98Y01N C1998 12 17.98036 06 00 08.15 +30 23 41.4 17.9 V 557
J98Y01N IC1998 12 17.98257 06 00 07.86 +30 23 42.7 557
J98Y01N C1998 12 18.13943 05 59 47.00 +30 25 10.2 734
J98Y01N C1998 12 18.14689 05 59 45.93 +30 25 14.6 734
J98Y01N C1998 12 18.15028 05 59 45.38 +30 25 15.7 734
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy. 0.57-m f/5.2
reflector + CCD.
118 Modra. Observers L. Kornos, P. Koleny. 0.6-m f/5.5 reflector + CCD.
402 Dynic Astronomical Observatory. Observer A. Sugie. 0.60-m f/3.7 reflector
+ CCD.
557 Ondrejov. Observers P. Pravec, U. Babiakova. 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, R. Sayer. 1.0-m f/2.15
reflector + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.30-m Schmidt-Cassegrain + CCD.
Orbital elements:
1998 YN1
Epoch 1998 Dec. 13.0 TT = JDT 2451160.5 Williams
M 286.01344 (2000.0) P Q
n 0.52180706 Peri. 147.93470 -0.86376382 +0.49454749
a 1.5280213 Node 62.00185 -0.48234131 -0.75599254
e 0.4454863 Incl. 6.28209 -0.14580441 -0.42883338
P 1.89 H 17.5 G 0.15
From 40 observations 1998 Dec. 16-18.
Ephemeris:
1998 YN1 a,e,i = 1.53, 0.45, 6 q = 0.8473
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1998 12 13 06 10.74 +29 36.9 0.663 1.637 166.9 7.8 18.2
1998 12 18 06 00.09 +30 23.9 0.628 1.608 171.9 4.9 17.9
1998 12 23 05 47.93 +31 08.0 0.599 1.578 171.5 5.3 17.8
1998 12 28 05 34.67 +31 46.6 0.576 1.548 165.8 9.0 17.9
1999 01 02 05 20.86 +32 17.7 0.559 1.517 158.5 13.7 17.9
1999 01 07 05 07.14 +32 40.2 0.547 1.485 151.0 18.7 18.0
1999 01 12 04 54.12 +32 54.4 0.540 1.453 143.4 23.8 18.1
1999 01 17 04 42.41 +33 01.6 0.538 1.421 136.0 28.7 18.2
1999 01 22 04 32.44 +33 03.7 0.538 1.388 129.0 33.4 18.3
1999 01 27 04 24.46 +33 03.4 0.541 1.354 122.4 37.9 18.3
1999 02 01 04 18.57 +33 02.5 0.545 1.320 116.3 42.0 18.4
1999 02 06 04 14.74 +33 02.8 0.549 1.286 110.5 45.9 18.5
1999 02 11 04 12.86 +33 05.3 0.553 1.251 105.2 49.6 18.5
1999 02 16 04 12.83 +33 10.5 0.556 1.217 100.2 53.0 18.6
1999 02 21 04 14.51 +33 18.8 0.557 1.182 95.7 56.4 18.6
1999 02 26 04 17.71 +33 30.1 0.556 1.148 91.4 59.6 18.7
1999 03 03 04 22.27 +33 43.9 0.553 1.114 87.5 62.8 18.7
1999 03 08 04 28.02 +33 59.4 0.546 1.080 83.8 66.0 18.7
1999 03 13 04 34.82 +34 16.1 0.537 1.048 80.4 69.3 18.7
1999 03 18 04 42.53 +34 33.1 0.525 1.016 77.1 72.7 18.7
1999 03 23 04 50.98 +34 49.6 0.509 0.986 74.0 76.3 18.7
1999 03 28 04 59.97 +35 04.7 0.489 0.958 71.0 80.1 18.7
1999 04 02 05 09.26 +35 17.2 0.467 0.932 68.1 84.2 18.6
1999 04 07 05 18.59 +35 25.9 0.441 0.909 65.3 88.6 18.6
1999 04 12 05 27.68 +35 29.7 0.413 0.889 62.3 93.4 18.6
1999 06 11 02 42.35 -12 41.0 0.083 0.966 51.7 124.4 17.2
1999 06 16 01 46.03 -25 00.1 0.089 0.995 73.7 101.4 15.9
1999 06 21 00 52.67 -33 48.2 0.101 1.025 92.1 82.2 15.5
1999 06 26 00 05.35 -39 19.3 0.118 1.057 106.8 67.1 15.3
1999 07 01 23 24.61 -42 33.6 0.138 1.090 118.7 55.0 15.4
1999 07 06 22 49.74 -44 20.0 0.160 1.123 128.5 45.1 15.5
1999 07 11 22 19.83 -45 08.2 0.184 1.157 136.8 37.0 15.6
1999 07 16 21 54.27 -45 15.6 0.210 1.192 143.6 30.4 15.8
1999 07 21 21 32.75 -44 53.6 0.238 1.226 149.0 25.2 16.0
1999 07 26 21 14.99 -44 11.1 0.269 1.261 152.8 21.6 16.2
1999 07 31 21 00.63 -43 14.9 0.303 1.295 154.8 19.5 16.5
1999 08 05 20 49.31 -42 10.1 0.339 1.330 154.9 18.9 16.7
1999 08 10 20 40.68 -41 00.2 0.379 1.364 153.5 19.4 17.0
1999 08 20 20 30.31 -38 34.8 0.468 1.430 148.0 22.1 17.7
1999 08 30 20 27.18 -36 12.1 0.568 1.494 140.9 25.2 18.3
1999 09 09 20 29.28 -33 56.7 0.680 1.557 133.6 28.0 18.9
1999 09 19 20 35.23 -31 48.6 0.803 1.616 126.4 30.0 19.4
1999 09 29 20 43.98 -29 46.7 0.935 1.673 119.4 31.4 19.8
1999 10 09 20 54.75 -27 49.3 1.075 1.727 112.7 32.3 20.2
1999 10 19 21 07.03 -25 54.5 1.221 1.778 106.2 32.6 20.6
1999 10 29 21 20.40 -24 00.8 1.372 1.826 99.8 32.4 20.9
Gareth V. Williams (C) Copyright 1998 MPC M.P.E.C. 1998-Y14
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