MPEC 2022-S119 : 2021 DK18
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M.P.E.C. 2022-S119 Issued 2022 September 21, 13:43 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
2021 DK18
Observations:
K21D18K*5C2021 02 17.25324 08 33 41.803+23 36 13.90 24.6 rVES119568
K21D18K 5C2021 02 17.42570 08 33 41.264+23 36 15.15 24.6 rVES119568
K21D18K 5C2021 03 09.06636 08 32 47.221+23 37 58.38 24.8 GVES119304
K21D18K 5C2021 03 09.11920 08 32 47.096+23 37 58.77 24.6 GVES119304
K21D18K 5C2021 03 17.12379 08 32 29.682+23 38 17.80 24.8 rVES119304
K21D18K 5C2021 03 18.08040 08 32 27.824+23 38 19.02 24.7 rVES119304
K21D18K 5C2021 12 02.30868 08 40 17.453+23 01 37.40 24.8 rVES119304
K21D18K 5C2021 12 06.29584 08 40 10.633+23 02 08.57 24.9 rVES119304
K21D18K 5C2021 12 07.30601 08 40 08.763+23 02 17.17 24.7 rVES119304
K21D18K 5C2022 03 07.03706 08 35 43.775+23 15 52.22 25.2 GVES119304
K21D18K 5C2022 03 07.04747 08 35 43.731+23 15 52.23 25.1 GVES119304
K21D18K 5C2022 03 07.12631 08 35 43.531+23 15 52.81 25.2 GVES119304
K21D18K 5C2022 03 07.13663 08 35 43.516+23 15 52.87 25.1 GVES119304
K21D18K 5C2022 04 09.02361 08 34 48.790+23 16 05.74 24.8 rVES119304
Observer details:
304 Las Campanas Observatory. Observers S. S. Sheppard, C. Trujillo, W.
Oldroyd, C. Chandler. Measurer S. S. Sheppard. 6.5-m Magellan-Baade
telescope + CCD.
568 Mauna Kea. Observers D. J. Tholen, S. S. Sheppard, C. Trujillo. Measurer
S. S. Sheppard. 8.2-m Subaru reflector + CCD.
Orbital elements:
2021 DK18
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Alexandersen
M 358.98285 (2000.0) P Q
n 0.00004938 Peri. 235.07968 -0.93667980 +0.30964444
a 735.8137962 Node 322.19322 -0.16385068 -0.80030730
e 0.9397494 Incl. 15.47487 -0.30948976 -0.51344770
P 19960 H 6.76 G 0.15 U 9
Residuals in seconds of arc
210217 568 0.0 0.0 210318 304 0.1+ 0.1- 220307 304 0.1- 0.2-
210217 568 0.0 0.0 211202 304 0.2+ 0.1+ 220307 304 0.1- 0.1+
210309 304 0.1- 0.1- 211206 304 0.0 0.1- 220307 304 0.1+ 0.1+
210309 304 0.1- 0.1+ 211207 304 0.1- 0.2+ 220409 304 0.0 0.0
210317 304 0.0 0.0 220307 304 0.1+ 0.1-
Ephemeris:
2021 DK18 a,e,i = 735.81, 0.94, 15 q = 44.3332
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 08 22 08 40 38.4 +22 45 38 67.2227 66.2884 22.4 0.3 25.1
...
2022 09 06 08 41 33.3 +22 42 16 67.0715 66.2636 36.5 0.5 25.1
...
2022 09 14 08 41 59.6 +22 40 44 66.9692 66.2504 44.1 0.6 25.1
...
2022 09 20 08 42 17.6 +22 39 43 66.8838 66.2405 49.8 0.7 25.1
2022 09 21 08 42 20.4 +22 39 34 66.8689 66.2388 50.8 0.7 25.1
2022 09 22 08 42 23.2 +22 39 25 66.8538 66.2372 51.8 0.7 25.1
...
2022 09 28 08 42 39.0 +22 38 34 66.7595 66.2273 57.6 0.7 25.1
...
2022 10 06 08 42 57.0 +22 37 40 66.6252 66.2140 65.3 0.8 25.1
...
2022 10 21 08 43 21.0 +22 36 40 66.3543 66.1893 80.0 0.8 25.1
M. P. C. Staff (C) Copyright 2022 MPC M.P.E.C. 2022-S119
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