MPEC 2020-H112 : 2020 HW3
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M.P.E.C. 2020-H112 Issued 2020 April 23, 00:05 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Division F of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2020 HW3
Observations:
K20H03W* C2020 04 20.50271216 08 00.79 -34 27 31.8 17.84oVEH112T08
K20H03W C2020 04 20.50596716 08 01.49 -34 26 28.9 17.80oVEH112T08
K20H03W C2020 04 20.51155016 08 02.75 -34 24 40.0 17.91oVEH112T08
K20H03W C2020 04 20.51247316 08 02.90 -34 24 22.0 17.70oVEH112T08
K20H03W C2020 04 20.51720216 08 03.94 -34 22 50.1 17.79oVEH112T08
K20H03W C2020 04 20.52248516 08 05.04 -34 21 06.8 17.77oVEH112T08
K20H03W C2020 04 20.52718016 08 06.07 -34 19 35.4 17.90oVEH112T08
K20H03W C2020 04 22.51950616 19 42.85 -17 34 06.8 17.02cVEH112T05
K20H03W C2020 04 22.52339616 19 44.35 -17 31 10.2 17.07cVEH112T05
K20H03W C2020 04 22.52859516 19 46.32 -17 27 13.6 17.14cVEH112T05
K20H03W C2020 04 22.53860316 19 50.18 -17 19 35.9 17.10cVEH112T05
K20H03W C2020 04 22.71097 16 21 12.25 -15 03 19.8 17.0 RrEH112P93
K20H03W C2020 04 22.71278 16 21 12.97 -15 01 51.0 17.3 RrEH112P93
K20H03W C2020 04 22.71368 16 21 13.36 -15 01 06.4 17.3 RrEH112P93
K20H03W KC2020 04 22.91713816 22 59.88 -12 05 30.4 16.4 GVEH112G34
K20H03W KC2020 04 22.91785516 23 00.25 -12 04 51.5 16.8 GVEH112G34
K20H03W KC2020 04 22.91857316 23 00.57 -12 04 12.4 16.4 GVEH112G34
K20H03W KC2020 04 22.91929116 23 00.91 -12 03 34.4 16.9 GVEH112G34
K20H03W KC2020 04 22.92000816 23 01.26 -12 02 55.8 16.7 GVEH112G34
K20H03W KC2020 04 22.92072716 23 01.60 -12 02 16.4 16.5 GVEH112G34
K20H03W KC2020 04 22.92144416 23 01.97 -12 01 37.5 17.0 GVEH112G34
K20H03W KC2020 04 22.93010216 23 06.27 -11 53 43.9 14.9 RVEH112K61
K20H03W KC2020 04 22.93030616 23 06.36 -11 53 32.6 15.0 RVEH112K61
K20H03W KC2020 04 22.93158116 23 07.00 -11 52 23.3 15.4 RVEH112K61
K20H03W KC2020 04 22.93217516 23 07.27 -11 51 51.0 15.3 RVEH112K61
K20H03W KC2020 04 22.93277016 23 07.59 -11 51 18.8 15.7 RVEH112K61
K20H03W KC2020 04 22.96783 16 23 23.20 -11 19 07.8 17.2 VVEH112L04
K20H03W KC2020 04 22.96995 16 23 26.28 -11 17 00.7 16.5 GVEH112K63
K20H03W KC2020 04 22.97011 16 23 24.27 -11 17 01.2 17.0 VVEH112L04
K20H03W KC2020 04 22.97240 16 23 25.32 -11 14 54.9 17.1 VVEH112L04
K20H03W KC2020 04 22.97272 16 23 27.51 -11 14 26.9 16.5 GVEH112K63
K20H03W C2020 04 22.97323 16 23 26.86 -11 14 10.2 VEH112246
K20H03W C2020 04 22.97332 16 23 26.89 -11 14 05.0 VEH112246
K20H03W C2020 04 22.97341 16 23 26.94 -11 13 59.8 VEH112246
K20H03W C2020 04 22.97351 16 23 26.98 -11 13 55.2 VEH112246
K20H03W C2020 04 22.97360 16 23 27.03 -11 13 49.9 VEH112246
K20H03W C2020 04 22.97369 16 23 27.10 -11 13 44.9 VEH112246
K20H03W KC2020 04 22.97417 16 23 28.22 -11 13 07.7 16.3 GVEH112K63
K20H03W KC2020 04 22.97491 16 23 26.52 -11 12 34.8 17.7 VVEH112L04
K20H03W KC2020 04 22.97551 16 23 28.90 -11 11 52.2 16.3 GVEH112K63
K20H03W KC2020 04 22.97834 16 23 30.15 -11 09 14.1 16.0 GVEH112K63
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m f/2.7 reflector + 2048x2048 CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain + CCD.
K61 Rokycany Observatory. Observer M. Adamovsky. 0.51-m f/6.8 reflector + CCD.
K63 G. Pascoli Observatory, Castelvecchio Pascoli. Observer R. Bacci. 0.4-m
f/3.2 Newtonian reflector + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
P93 Space Tracking and Communications Center, JAXA. Observers S. Urakawa, M.
Hagino. 0.5-m f/2.0 reflector + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus.
0.5-m reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus.
0.5-m reflector + CCD.
Orbital elements:
2020 HW3 PHA, Earth MOID = 0.0331 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 340.77510 (2000.0) P Q
n 0.80193373 Peri. 115.15139 +0.70688120 +0.58496007
a 1.1473882 Node 213.90831 -0.52252441 +0.81078227
e 0.5436581 Incl. 45.46649 +0.47674648 +0.02130323
P 1.23 H 22.0 G 0.15 U 8
Residuals in seconds of arc
200420 T08 0.1- 0.0 200422 G34 0.2- 0.1+ 200422 L04 0.2+ 0.2+
200420 T08 0.1- 0.2- 200422 G34 0.2+ 0.2+ 200422 L04 0.2- 0.8-
200420 T08 0.6+ 0.3+ 200422 G34 0.2- 0.4+ 200422 K63 (0.5- 1.6+)
200420 T08 0.0 0.4+ 200422 G34 0.3- 0.5- 200422 246 0.0 0.3-
200420 T08 0.2+ 0.2+ 200422 G34 0.2- 0.8- 200422 246 0.2- 0.1-
200420 T08 0.3- 0.4+ 200422 G34 0.3- 0.4- 200422 246 0.1- 0.1+
200420 T08 0.1- 0.1- 200422 G34 0.1+ 0.4- 200422 246 0.2- 0.9-
200422 T05 0.2+ 0.3- 200422 K61 0.0 0.5+ 200422 246 0.1- 0.6-
200422 T05 0.4+ 0.4- 200422 K61 0.1- 0.7+ 200422 246 0.3+ 0.6-
200422 T05 0.1+ 0.4- 200422 K61 0.3+ 0.5+ 200422 K63 0.1- 0.2+
200422 T05 0.5+ 0.2+ 200422 K61 0.1+ 0.4+ 200422 L04 0.2+ 0.3-
200422 P93 0.0 1.3+ 200422 K61 0.7+ 0.2+ 200422 K63 0.5+ 1.2+
200422 P93 0.5- 0.6+ 200422 L04 0.2+ 0.1+ 200422 K63 (0.8- 1.7+)
200422 P93 0.2- 0.6+ 200422 K63 (0.7+ 1.5+)
Ephemeris:
2020 HW3 a,e,i = 1.15, 0.54, 45 q = 0.5236
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 03 24 15 22 48.7 -55 00 38 0.5188 1.2981 114.1 44.5 22.8
...
2020 04 08 15 41 16.2 -53 14 06 0.2742 1.1783 124.5 44.5 21.3
...
2020 04 16 15 54 09.5 -47 18 07 0.1461 1.1082 132.9 41.5 19.7
...
2020 04 22 16 16 03.7 -23 22 56 0.05711 1.0529 145.7 32.5 17.3
2020 04 23 16 23 36.2 -10 47 13 0.04563 1.0435 145.6 33.0 16.8
2020 04 24 16 34 05.1 +08 30 17 0.03772 1.0340 137.7 40.9 16.6
...
2020 04 30 00 40 16.2 +81 00 29 0.09117 0.9758 67.3 107.8 20.8
...
2020 05 08 03 02 11.2 +69 40 43 0.2147 0.8953 52.6 116.4 23.0
...
2020 05 23 03 20 48.8 +61 56 33 0.4533 0.7401 41.9 113.9 24.0
M. P. C. Staff (C) Copyright 2020 MPC M.P.E.C. 2020-H112
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