MPEC 2023-M175 : 2020 KW7
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M.P.E.C. 2023-M175 Issued 2023 June 30, 14:09 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 KW7
Revision to MPEC 2020-M14
Additional Observations:
K20K07W C2015 02 23.36898611 55 01.388+20 22 02.50 22.80GVEM175F51
K20K07W C2015 02 23.38156611 55 00.357+20 22 12.14 22.56GVEM175F51
K20K07W C2015 02 23.39413511 54 59.323+20 22 21.64 23.11GVEM175F51
K20K07W C2015 02 23.40672311 54 58.290+20 22 31.30 23.37GVEM175F51
K20K07W C2020 05 21.58304120 18 40.685-13 23 22.02 23.26GVEM175F51
K20K07W C2020 05 21.58905620 18 41.178-13 23 22.34 22.99GVEM175F51
K20K07W C2020 05 21.59523620 18 41.736-13 23 21.84 22.62GVEM175F51
K20K07W C2020 05 21.60145520 18 42.275-13 23 21.59 22.37GVEM175F51
K20K07W C2020 05 26.51114120 26 14.120-13 19 57.46 22.42GVEM175F52
K20K07W C2020 05 26.52420720 26 15.302-13 19 57.20 22.38GVEM175F52
K20K07W C2021 02 08.45703611 12 46.827+23 45 20.20 22.44GVEM175F51
K20K07W C2021 02 08.47061011 12 45.451+23 45 33.97 21.94GVEM175F51
K20K07W C2021 02 08.48418011 12 44.045+23 45 47.64 21.81GVEM175F51
K20K07W |C2023 06 28.15338 18 43 31.58 -16 41 43.9 19.1 VuEM175807
K20K07W |C2023 06 28.15502 18 43 31.41 -16 41 46.8 19.3 VuEM175807
K20K07W |C2023 06 28.15665 18 43 31.10 -16 41 48.0 19.3 VuEM175807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, P.
Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M.
Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien +
CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, P. Minguez, A. Schultz, I. Smith. Measurers S. Chastel, J.
Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
150223 F51 6.0- 2.8- 230628 807 12.8- 2.4- MPO740933 -0.00 days
Orbital elements:
2020 KW7 Earth MOID = 0.0571 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 286.72553 (2000.0) P Q
n 0.32203163 Peri. 279.12785 +0.86930336 -0.44517066
a 2.1079988 Node 107.55546 +0.49345688 +0.80668491
e 0.6367266 Incl. 13.01949 -0.02849511 +0.38869337
P 3.06 H 20.01 G 0.15 U 0
Residuals in seconds of arc
150223 F51 0.1- 0.1+ 200629 F51 0.1- 0.1+ 200723 T05 0.0 0.3-
150223 F51 0.0 0.1+ 200629 F51 0.1- 0.1+ 200725 T08 0.2- 0.3+
150223 F51 0.1+ 0.0 200629 F51 0.0 0.0 200725 T08 0.2- 0.0
150223 F51 0.3+ 0.0 200706 204 0.3+ 0.4- 200725 T08 0.3+ 0.5-
200521 F51 0.3+ 0.6+ 200706 204 0.1+ 0.2+ 200725 T08 0.1- 0.1-
200521 F51 0.1- 0.1- 200711 T05 0.2+ 0.1+ 200729 T08 0.1- 0.2-
200521 F51 0.1+ 0.0 200711 T05 0.0 0.1- 200729 T08 0.2- 0.1-
200521 F51 0.0 0.1- 200711 T05 0.2+ 0.2- 200729 T08 0.3+ 0.6-
200526 F52 0.3- 0.3+ 200711 T05 0.4+ 0.4+ 200729 T08 0.0 0.4-
200526 F52 0.2- 0.4+ 200712 I52 0.2- 0.2- 200731 T05 0.4+ 0.1+
200530 F51 0.0 0.0 200712 I52 0.3+ 0.1+ 200731 T05 0.6+ 0.1+
200530 F51 0.2+ 0.0 200712 I52 0.2- 0.1- 200731 T05 0.0 0.2-
200530 F51 0.1- 0.2+ 200712 I52 0.0 0.2+ 200731 T05 1.1+ 0.1-
200615 F52 0.2- 0.0 200713 T08 0.2- 0.6- 200802 C51 0.4- 0.2+
200615 F52 0.0 0.1+ 200713 T08 0.4- 0.1- 200802 C51 0.0 0.5-
200615 F52 0.0 0.0 200713 T08 (3.0+ 2.0+) 200802 C51 0.2+ 0.1-
200616 H21 0.2+ 0.2- 200713 T08 0.4- 0.3+ 200802 C51 0.3+ 0.4+
200616 H21 0.6+ 0.0 200717 T08 0.0 0.4+ 201018 V06 0.0 0.0
200616 H21 0.3+ 0.3+ 200717 T08 0.0 0.2- 201018 V06 0.0 0.1+
200616 H21 0.2+ 0.3+ 200717 T08 0.5- 0.3+ 201018 V06 0.6- 0.4+
200616 F52 0.0 0.0 200717 T08 0.3+ 0.1- 210110 V06 0.1- 0.3-
200616 F52 0.0 0.1+ 200719 T05 0.5- 0.3+ 210110 V06 0.2+ 0.3+
200616 F52 0.0 0.2+ 200719 T05 0.1+ 0.1+ 210110 V06 0.0 0.3+
200616 F52 0.1- 0.1- 200719 T05 0.0 0.0 210110 V06 0.1- 0.8-
200617 H21 0.0 0.4- 200719 T05 0.3- 0.1+ 210208 F51 0.2- 0.3+
200617 H21 0.1- 0.5- 200721 T08 0.0 0.3- 210208 F51 0.0 0.2+
200617 H21 0.1- 0.6- 200721 T08 0.1+ 0.1- 210208 F51 0.1- 0.1+
200620 F51 0.1+ 0.1+ 200721 T08 0.1- 0.3- 230628 807 0.4+ 0.3+
200620 F51 0.2+ 0.1- 200721 T08 0.2- 0.2- 230628 807 0.7+ 1.2-
200620 F51 0.0 0.1+ 200723 T05 0.0 0.4- 230628 807 1.0- 1.1-
200620 F51 0.1+ 0.1+ 200723 T05 0.3- 0.0
200629 F51 0.0 0.0 200723 T05 0.1+ 0.5-
Ephemeris:
2020 KW7 a,e,i = 2.11, 0.64, 13 q = 0.7658
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 05 31 19 09 43.3 -13 21 01 0.9370 1.8386 140.9 20.3 22.2
...
2023 06 15 19 01 38.3 -14 27 28 0.7271 1.7084 156.9 13.5 21.3
...
2023 06 23 18 52 02.3 -15 38 45 0.6312 1.6365 166.3 8.4 20.7
...
2023 06 29 18 41 56.2 -16 53 33 0.5676 1.5814 173.0 4.5 20.2
2023 06 30 18 39 59.6 -17 07 58 0.5577 1.5721 173.7 4.1 20.1
2023 07 01 18 37 58.4 -17 22 58 0.5480 1.5629 174.2 3.8 20.0
...
2023 07 07 18 24 12.6 -19 05 18 0.4946 1.5066 170.4 6.4 19.9
...
2023 07 15 18 01 25.9 -21 54 11 0.4357 1.4305 158.3 15.2 19.8
...
2023 07 30 17 07 15.4 -28 27 05 0.3614 1.2849 131.8 36.1 19.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-M175
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