MPEC 2023-C113 : 2021 DM19
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M.P.E.C. 2023-C113 Issued 2023 February 13, 16:43 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
2021 DM19
Observations:
K21D19M*5C2021 02 16.23391 08 06 15.334+17 45 31.50 24.8 rVEC113568
K21D19M 5C2021 02 16.39836 08 06 14.749+17 45 34.22 24.8 rVEC113568
K21D19M 5C2021 03 17.10914 08 04 56.259+17 52 31.75 25.0 rVEC113304
K21D19M 5C2021 03 18.06539 08 04 54.491+17 52 43.39 25.0 rVEC113304
K21D19M 5C2022 03 07.05892 08 09 05.197+18 05 10.87 24.8 GVEC113304
K21D19M 5C2022 03 07.06934 08 09 05.157+18 05 11.11 24.8 GVEC113304
K21D19M 5C2022 03 07.14765 08 09 04.964+18 05 12.32 24.8 GVEC113304
K21D19M 5C2022 03 07.15812 08 09 04.920+18 05 12.35 24.8 GVEC113304
K21D19M 5C2022 04 28.98163 08 08 24.840+18 12 51.58 25.0 rVEC113304
K21D19M 5C2022 04 29.98116 08 08 26.065+18 12 54.09 24.7 rVEC113304
Observer details:
304 Las Campanas Observatory. Observers C. Trujillo, S. S. Sheppard, W.
Oldroyd, C. Chandler. Measurers S. S. Sheppard, C. Trujillo. 6.5-m
Magellan-Baade telescope + CCD.
568 Maunakea. Observers D. J. Tholen, S. S. Sheppard, C. Trujillo. Measurer
S. S. Sheppard. 8.2-m Subaru reflector + CCD.
Orbital elements:
2021 DM19
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Alexandersen
M 27.62523 (2000.0) P Q
n 0.00130204 Peri. 270.94014 +0.71470954 -0.58537031
a 83.0589379 Node 124.99918 +0.66336935 +0.74078013
e 0.5532143 Incl. 27.85927 -0.22165601 +0.32952452
P 757 H 7.61 G 0.15 U 7
Residuals in seconds of arc
210216 568 0.2+ 0.2+ 220307 304 0.0 0.1- 220428 304 0.1+ 0.1+
210216 568 0.1+ 0.2+ 220307 304 0.2- 0.0 220429 304 0.2+ 0.0
210317 304 0.1- 0.2- 220307 304 0.0 0.1+
210318 304 0.1- 0.3- 220307 304 0.2- 0.0
Ephemeris:
2021 DM19 a,e,i = 83.06, 0.55, 28 q = 37.1095
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 01 14 08 15 53.9 +18 05 27 54.3233 55.2949 171.0 0.2 25.0
...
2023 01 29 08 14 55.1 +18 09 41 54.3356 55.3136 173.2 0.1 25.0
...
2023 02 06 08 14 24.4 +18 11 57 54.3705 55.3236 165.0 0.3 25.1
...
2023 02 12 08 14 02.2 +18 13 38 54.4091 55.3311 158.9 0.4 25.1
2023 02 13 08 13 58.6 +18 13 54 54.4166 55.3324 157.9 0.4 25.1
2023 02 14 08 13 55.0 +18 14 10 54.4243 55.3336 156.9 0.4 25.1
...
2023 02 20 08 13 34.3 +18 15 47 54.4766 55.3411 150.7 0.5 25.1
...
2023 02 28 08 13 08.9 +18 17 51 54.5613 55.3511 142.6 0.6 25.1
...
2023 03 15 08 12 30.2 +18 21 17 54.7601 55.3699 127.4 0.8 25.2
M. P. C. Staff (C) Copyright 2023 MPC M.P.E.C. 2023-C113
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