MPEC 2020-D46 : 2020 DX
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M.P.E.C. 2020-D46 Issued 2020 February 18, 21:20 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 DX
Observations:
K20D00X* C2020 02 16.36899405 54 09.72 -28 51 25.3 19.14oVED046T08
K20D00X C2020 02 16.37177205 54 10.91 -28 51 02.9 18.54oVED046T08
K20D00X C2020 02 16.37269205 54 11.35 -28 50 55.9 18.02oVED046T08
K20D00X C2020 02 16.37685905 54 13.09 -28 50 21.3 18.39oVED046T08
K20D00X C2020 02 16.37824005 54 13.65 -28 50 09.0 18.19oVED046T08
K20D00X C2020 02 16.39034005 54 18.82 -28 48 28.7 19.00oVED046T08
K20D00X C2020 02 16.39685705 54 21.65 -28 47 37.1 17.77oVED046T08
K20D00X KC2020 02 16.82339 05 57 34.42 -27 48 44.4 18.7 GVED046595
K20D00X pC2020 02 16.83522 05 57 39.44 -27 47 04.7 18.5 GVED046595
K20D00X KC2020 02 16.83606 05 57 40.65 -27 46 54.0 18.3 GVED046Z84
K20D00X pC2020 02 16.84113 05 57 42.04 -27 46 15.7 18.3 GVED046595
K20D00X KC2020 02 16.84693 05 57 45.32 -27 45 22.2 18.1 GVED046Z84
K20D00X KC2020 02 16.86867 05 57 54.66 -27 42 18.3 18.1 GVED046Z84
K20D00X KC2020 02 17.03792305 59 12.00 -27 18 18.1 18.6 VuED046H21
K20D00X KC2020 02 17.03932005 59 12.63 -27 18 06.1 18.7 VuED046H21
K20D00X KC2020 02 17.04103605 59 13.34 -27 17 51.3 18.6 VuED046H21
K20D00X KC2020 02 17.04287205 59 14.16 -27 17 35.9 18.3 VuED046H21
K20D00X C2020 02 17.42141406 02 03.39 -26 21 53.2 18.1 GVED046474
K20D00X C2020 02 17.42403106 02 04.55 -26 21 30.3 18.4 GVED046474
K20D00X C2020 02 17.42601706 02 05.40 -26 21 12.7 18.3 GVED046474
K20D00X C2020 02 17.42700906 02 05.84 -26 21 04.2 18.1 GVED046474
K20D00X KC2020 02 17.74243 06 04 31.29 -25 35 30.3 18.5 VqED046L34
K20D00X KC2020 02 17.75878 06 04 38.51 -25 33 05.1 18.6 VqED046L34
K20D00X KC2020 02 17.76479 06 04 40.91 -25 32 13.4 18.2 GVED046K96
K20D00X KC2020 02 17.76898 06 04 42.78 -25 31 35.8 18.2 GVED046K96
K20D00X KC2020 02 17.77325 06 04 44.62 -25 30 57.6 18.5 GVED046K96
K20D00X KC2020 02 17.77832 06 04 46.93 -25 30 10.2 18.6 VqED046L34
K20D00X KC2020 02 17.81115 06 05 01.99 -25 25 19.8 18.2 VqED046I93
K20D00X KC2020 02 17.83002 06 05 10.28 -25 22 30.8 18.5 VqED046I93
K20D00X KC2020 02 17.83505 06 05 12.51 -25 21 45.4 18.4 VqED046I93
K20D00X KC2020 02 17.87126 06 05 28.40 -25 16 19.3 18.1 VqED046958
K20D00X KC2020 02 17.87594 06 05 30.41 -25 15 36.9 18.2 VqED046958
K20D00X KC2020 02 17.88061 06 05 32.52 -25 14 54.0 18.0 VqED046958
K20D00X C2020 02 18.10134 06 07 15.07 -24 41 25.0 18.0 GVED046I52
K20D00X C2020 02 18.10148 06 07 15.14 -24 41 23.7 18.0 GVED046I52
K20D00X C2020 02 18.10306 06 07 15.82 -24 41 09.0 18.0 GVED046I52
K20D00X C2020 02 18.10320 06 07 15.89 -24 41 07.8 17.9 GVED046I52
K20D00X KC2020 02 18.77186006 12 23.34 -22 57 19.5 18.5 GVED046L34
K20D00X KC2020 02 18.78307806 12 28.32 -22 55 33.2 18.4 GVED046L34
K20D00X KC2020 02 18.78658406 12 29.88 -22 54 59.5 18.5 GVED046L34
K20D00X KC2020 02 18.80072106 12 36.12 -22 52 45.4 17.9 GVED046L34
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/5.15 reflector + CCD.
958 Observatoire de Dax. Observer P. Dupouy. 0.51-m f/6 reflector + CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.81-m f/4.0
astrograph + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K96 Savelli Observatory. Observers A. Brosio, A. De Pieri. 0.5-m f/8.0
Ritchey-Chretien + CCD.
L34 Galhassin Robotic Telescope, Isnello. Observer A. Nastasi. 0.40-m f/3.8
Ritchey-Chretien + CCD, 0.40-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.
Z84 Calar Alto-Schmidt. Observer E. Schwab. Measurers E. Schwab, D. Koschny,
M. Micheli. 0.8-m f/3 Schmidt + CCD.
Orbital elements:
2020 DX Earth MOID = 0.1181 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 45.50480 (2000.0) P Q
n 0.35221568 Peri. 314.24576 -0.40262054 -0.90089654
a 1.9857760 Node 157.86275 +0.91339205 -0.40702854
e 0.4890716 Incl. 25.48142 +0.06009718 +0.15070898
P 2.80 H 20.1 G 0.15 U 8
Residuals in seconds of arc
200216 T08 0.1+ 0.9+ 200217 H21 0.1+ 0.2+ 200217 I93 0.1- 0.6-
200216 T08 0.2+ 0.3+ 200217 H21 0.3- 0.4+ 200217 I93 0.2+ 0.4-
200216 T08 0.8+ 0.3- 200217 H21 0.0 0.1+ 200217 958 0.3- 0.7-
200216 T08 0.3+ 0.2- 200217 474 0.1- 0.2+ 200217 958 0.9- 0.6-
200216 T08 0.0 0.7+ 200217 474 0.1+ 0.0 200217 958 0.1- 0.1+
200216 T08 0.1- 0.7+ 200217 474 0.1- 0.1+ 200218 I52 0.0 0.4-
200216 T08 0.4+ 1.8- 200217 474 0.0 0.1- 200218 I52 0.1+ 0.3-
200216 595 0.2+ 0.5- 200217 L34 0.0 1.7+ 200218 I52 0.1- 0.0
200216 595 1.0- 0.8- 200217 L34 0.9+ 1.2+ 200218 I52 0.1+ 0.1-
200216 Z84 0.1- 0.3+ 200217 K96 0.1- 0.1+ 200218 L34 0.3+ 0.3-
200216 595 0.4- 1.9- 200217 K96 0.4+ 0.2+ 200218 L34 0.3+ 0.4-
200216 Z84 0.1- 0.3+ 200217 K96 0.1+ 0.2+ 200218 L34 0.4+ 0.1+
200216 Z84 0.1- 0.2+ 200217 L34 0.7- 1.6+ 200218 L34 0.0 0.1-
200217 H21 0.2- 0.1+ 200217 I93 0.3- 0.3-
Ephemeris:
2020 DX a,e,i = 1.99, 0.49, 25 q = 1.0146
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 01 19 03 26 45.4 -55 21 53 0.3602 1.0155 84.6 74.7 20.5
...
2020 02 03 04 29 21.8 -47 57 55 0.2562 1.0233 91.2 74.3 19.8
...
2020 02 11 05 16 33.1 -38 57 26 0.2029 1.0399 99.6 69.3 19.2
...
2020 02 17 05 58 53.7 -27 23 03 0.1708 1.0576 109.6 61.6 18.6
2020 02 18 06 06 27.3 -24 56 12 0.1667 1.0610 111.6 60.0 18.5
2020 02 19 06 14 07.9 -22 20 20 0.1631 1.0644 113.7 58.2 18.4
...
2020 02 25 07 01 49.7 -04 20 30 0.1529 1.0875 126.5 47.1 18.0
...
2020 03 04 08 04 44.7 +18 47 53 0.1750 1.1236 135.7 38.0 18.1
...
2020 03 19 09 38 12.3 +39 02 18 0.2903 1.2044 130.5 39.0 19.4
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-D46
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