MPEC 2023-H134 : 2020 DC3
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M.P.E.C. 2023-H134 Issued 2023 April 22, 14:20 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 DC3
Revision to MPEC 2020-D106
Additional Observations:
K20D03C 0C2023 03 27.39669312 20 51.775-00 48 17.19 23.94GVEH134T14
K20D03C 0C2023 03 27.39998712 20 51.351-00 48 14.92 23.72GVEH134T14
K20D03C 0C2023 03 27.40327912 20 50.928-00 48 12.61 23.88GVEH134T14
K20D03C 0C2023 04 16.27261311 48 07.629+02 13 13.57 25.11GVEH134T14
K20D03C 0C2023 04 17.24579711 46 59.446+02 19 14.63 25.22GVEH134T14
Observer details:
T14 Canada-France-Hawaii Telescope, Maunakea. Observer L. Wells. Measurer D.
J. Tholen. 3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230327 T14 0.03- 0.02- 230417 T14 0.03- 0.02- MPO740927 -0.11 days
Orbital elements:
2020 DC3 PHA, Earth MOID = 0.0422 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 35.56688 (2000.0) P Q
n 0.34584694 Peri. 20.03093 +0.80029030 -0.59933342
a 2.0100804 Node 16.83018 +0.54116364 +0.70879992
e 0.8353943 Incl. 3.62377 +0.25821960 +0.37202436
P 2.85 H 21.95 G 0.15 U 1
Residuals in seconds of arc
200222 T08 1.3- 0.6- 200224 T05 0.4- 0.8+ 200226 T08 0.1+ 0.0
200222 T08 2.3- 0.1+ 200224 F65 0.2+ 0.2+ 200226 T08 0.2- 0.3-
200222 T08 (4.6+ 1.3-) 200224 F65 0.5+ 0.3+ 200226 T08 0.1- 0.2+
200222 T08 0.2+ 0.4+ 200224 F65 0.0 0.3+ 200227 I52 0.1- 0.0
200222 T08 1.0- 0.2+ 200224 L01 0.3- 0.4- 200227 I52 0.1+ 0.0
200222 T08 0.2+ 0.3+ 200224 L01 0.4- 0.1+ 200227 I52 0.1+ 0.1-
200222 T08 0.3+ 0.2+ 200224 L01 0.3- 0.2+ 200227 I52 0.1+ 0.1+
200222 T08 0.8+ 0.3- 200224 L01 0.0 0.0 200228 Z99 0.5- 0.1-
200222 T08 0.1+ 0.4+ 200224 L01 0.2- 0.0 200228 Z99 0.5- 0.1+
200223 C95 0.6+ 0.3- 200224 K96 0.3+ 0.1- 200228 Z99 0.4- 0.1-
200223 C95 0.1+ 0.2- 200224 K96 0.0 0.2+ 200228 Z99 0.4- 0.0
200223 C95 0.5- 0.0 200224 K96 0.1+ 0.1+ 200228 Z99 0.6- 0.1+
200223 W34 0.1- 0.2+ 200224 L04 0.2- 0.1+ 200228 Z99 0.7- 0.0
200223 W34 0.1+ 0.4+ 200224 L04 0.0 0.1- 200229 H45 2.4+ 0.6-
200223 W34 0.5- 0.1- 200224 L04 0.3- 0.2+ 200229 H45 2.4+ 0.2-
200223 W34 1.0- 0.2- 200224 Z84 0.1- 0.0 200229 H45 (5.1+ 0.1+)
200223 033 0.2- 0.3- 200224 Z84 0.0 0.1+ 200229 H45 3.9+ 0.4+
200223 033 0.2- 0.3- 200224 B49 0.0 0.3- 200229 H45 2.6+ 0.5+
200223 033 0.1+ 0.4- 200224 Z84 0.0 0.1- 200229 H45 3.2+ 0.8+
200223 I93 0.1- 0.0 200224 B49 0.2+ 0.5- 200301 Z99 0.6- 0.0
200223 I93 0.0 0.1- 200224 B49 0.2- 0.6- 200301 Z99 0.4- 0.1-
200223 I93 0.1+ 0.1+ 200225 Z80 0.4+ 0.2+ 200301 Z99 0.3- 0.3+
200224 204 0.4- 0.2+ 200225 Z80 0.3+ 0.1+ 200301 Z99 0.2- 0.4+
200224 204 0.2- 0.4+ 200225 Z80 0.7+ 0.1- 200301 Z99 0.4- 0.1+
200224 204 0.3+ 0.1- 200225 Z80 0.5+ 0.1+ 200301 Z99 0.4- 0.1+
200224 L01 0.3- 0.1- 200225 J95 0.1+ 0.1+ 200302 703 0.2- 0.3+
200224 L01 0.0 0.1+ 200225 J95 0.1+ 0.0 200302 703 0.1+ 0.2+
200224 L01 0.3- 0.1- 200225 J95 0.2- 0.1+ 200302 703 1.1- 0.0
200224 L01 0.0 0.0 200225 J95 0.0 0.2- 200304 V06 0.1+ 0.5+
200224 L01 0.1+ 0.1- 200225 X31 0.4+ 0.5+ 200304 V06 0.0 0.3+
200224 L01 0.2+ 0.1- 200225 X31 0.3+ 0.5- 200304 V06 0.1+ 0.4-
200224 L01 0.1- 0.0 200225 711 0.3- 0.1- 200304 V06 0.4- 0.1-
200224 033 0.6- 0.2- 200225 711 0.2+ 0.4- 200305 I52 0.3- 0.1-
200224 033 0.1+ 0.3- 200225 711 1.4+ 0.1- 200305 I52 0.3+ 0.2+
200224 033 0.0 0.3- 200225 673 0.1+ 0.1+ 200305 I52 (0.8- 0.9-)
200224 932 0.0 1.3- 200225 673 0.7- 0.2+ 200315 807 (0.3- 0.7-)
200224 932 0.4+ 0.2+ 200225 033 0.3- 0.1- 200315 807 0.2+ 0.5-
200224 932 0.3+ 0.4+ 200225 033 0.2- 0.1- 200315 807 0.0 0.4-
200224 932 0.7+ 0.5+ 200225 033 0.1- 0.4- 200322 F51 0.2- 0.0
200224 T05 0.8+ 0.0 200226 033 0.2- 0.4- 200322 F51 0.1- 0.2-
200224 T05 1.1- 0.1- 200226 033 0.2- 0.4- 200322 F51 0.1+ 0.0
200224 T05 0.8- 0.5+ 200226 033 0.1- 0.3- 230327 T14 0.1+ 0.1+
200224 T05 0.5- 0.4+ 200226 703 0.5- 0.4- 230327 T14 0.0 0.0
200224 T05 0.4+ 0.5- 200226 703 0.1+ 0.2+ 230327 T14 0.0 0.0
200224 T05 0.1+ 0.4+ 200226 703 0.7- 0.2+ 230416 T14 0.0 0.0
200224 T05 0.1- 0.1- 200226 703 0.2+ 0.3+ 230417 T14 0.1- 0.0
200224 T05 0.5+ 0.3+ 200226 T08 0.4+ 0.2-
Ephemeris:
2020 DC3 a,e,i = 2.01, 0.84, 4 q = 0.3309
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 23 12 30 17.7 -01 41 55 1.0862 2.0798 174.0 2.9 24.0
...
2023 04 07 12 01 10.6 +01 02 19 1.2444 2.2214 163.2 7.5 24.7
...
2023 04 15 11 49 40.7 +02 04 59 1.3566 2.2928 152.3 11.7 25.1
...
2023 04 21 11 43 00.5 +02 40 00 1.4515 2.3446 144.7 14.3 25.4
2023 04 22 11 42 03.3 +02 44 53 1.4682 2.3531 143.5 14.7 25.5
2023 04 23 11 41 08.7 +02 49 29 1.4850 2.3616 142.3 15.1 25.5
...
2023 04 29 11 36 35.2 +03 11 44 1.5900 2.4115 135.2 17.1 25.8
...
2023 05 07 11 32 41.9 +03 28 18 1.7395 2.4759 126.5 19.1 26.1
...
2023 05 22 11 30 58.7 +03 26 36 2.0406 2.5905 111.6 21.3 26.6
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H134
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