[Iaude] MPEC U212: 2015 KW120 [a=1.60,e=0.49,i=3.4,H=26.00]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Mon Oct 23 10:22:54 EDT 2023
M.P.E.C. 2023-U212 Issued 2023 October 23, 14:21 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2015 KW120
Revision to MPEC 2015-K123
Additional Observations:
K15KC0W C2023 10 18.32679 02 18 37.20 -29 32 23.7 20.7 GVEU212I52
K15KC0W C2023 10 18.33746 02 18 34.15 -29 29 26.4 21.1 GVEU212I52
K15KC0W C2023 10 18.35877 02 18 28.12 -29 23 32.5 20.9 GVEU212I52
K15KC0W 0C2023 10 19.48986202 14 39.008-24 37 23.18 21.51GVEU212T12
K15KC0W 0C2023 10 19.49103002 14 38.740-24 37 06.87 21.22GVEU212T12
K15KC0W KC2023 10 22.41241102 08 02.994-15 31 13.73 21.13GVEU212V06
K15KC0W KC2023 10 22.41587502 08 02.544-15 30 42.12 21.72GVEU212V06
K15KC0W KC2023 10 22.41933802 08 02.058-15 30 10.73 21.05GVEU212V06
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. Observer G. J. Leonard.
Measurers E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs,
A. D. Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G.
J. Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
f/2.0 prime focus + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
V06 Catalina Sky Survey-Kuiper. Observer J. B. Fazekas. Measurers E. C.
Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector +
1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
231018 I52 72+ 15+ 231022 V06 55+ 20+ MPO409534 +4.88 days
Orbital elements:
2015 KW120 Earth MOID = 0.0005 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 7.97818 (2000.0) P Q
n 0.48555824 Peri. 245.22257 +0.68724116 +0.72437483
a 1.6031537 Node 68.30462 -0.64346516 +0.64190965
e 0.4899658 Incl. 3.36853 -0.33712339 +0.25146194
P 2.03 H 26.00 G 0.15 U 0
Residuals in seconds of arc
150524 703 0.1- 0.7+ 150526 E10 0.2- 0.1- 150528 654 0.1- 0.0
150524 703 0.6+ 0.6- 150526 E10 0.2- 0.3- 150528 654 0.3+ 0.1+
150524 703 0.7+ 0.9- 150526 E10 0.2- 0.1- 150528 654 0.0 0.0
150524 703 1.1- 0.3+ 150526 E10 0.3- 0.1- 150528 926 0.1+ 0.2-
150524 G96 0.4- 0.1+ 150526 587 0.2+ 0.2+ 150528 926 0.3- 0.1+
150524 G96 0.1+ 0.2+ 150526 587 0.9+ 0.7- 150528 926 0.0 0.1-
150524 G96 0.1+ 0.2+ 150526 G40 0.1+ 0.2+ 150528 A48 0.2+ 0.7+
150524 G96 0.0 0.2+ 150526 G40 0.1+ 0.0 150528 A48 0.5- 0.0
150524 H01 0.1- 0.1+ 150527 W88 0.2+ 0.0 150528 A48 0.5- 0.2+
150524 H01 0.1- 0.1+ 150527 I52 0.0 0.0 150528 A48 0.1+ 0.2-
150524 H01 0.1- 0.1+ 150527 I52 0.2+ 0.1+ 150529 587 1.4- 0.3+
150524 H01 0.0 0.1+ 150527 I52 0.2- 0.1+ 150529 587 1.7- 0.1-
150524 300 0.1+ 1.3- 150527 I52 0.0 0.1+ 150529 587 1.4- 0.3-
150524 300 1.1+ 0.6- 150527 W88 0.2+ 0.0 150529 587 (2.8- 0.7-)
150524 300 0.9+ 0.1- 150527 W88 0.5+ 0.2- 150529 587 2.2- 0.2+
150524 300 0.3+ 0.5- 150527 H21 0.2- 0.1- 150529 926 (5.2- 1.2-)
150524 204 0.0 0.4+ 150527 H21 0.2- 0.0 150529 926 0.3- 0.5-
150524 204 0.0 0.3+ 150527 H21 0.1- 0.1+ 150529 926 2.1+ 0.4-
150524 204 0.1- 0.1+ 150527 H21 0.2- 0.0 150529 926 0.2+ 0.1+
150525 I52 0.3- 0.1- 150527 H21 0.3- 0.1+ 150529 926 (4.4- 1.0-)
150525 I52 0.3- 0.3- 150527 H21 0.3- 0.0 150529 926 0.1- 0.5-
150525 I52 0.3+ 0.5+ 150527 H21 0.2- 0.0 150529 926 (5.0- 1.2-)
150525 I52 0.3- 0.2+ 150527 926 0.1+ 0.3- 150529 926 1.0- 0.5-
150525 926 0.2+ 0.0 150527 926 0.0 0.1+ 150529 926 (4.3- 1.0-)
150525 926 0.1+ 0.2+ 150527 926 0.1- 0.1- 150529 926 1.2- 0.5-
150525 926 0.4+ 0.2- 150527 587 0.6+ 0.1- 150529 926 (4.2- 0.9-)
150525 673 0.2+ 0.6+ 150527 587 0.0 0.0 150529 926 1.0+ 0.1-
150525 673 0.1- 0.1- 150527 G40 0.2+ 0.1+ 150529 H21 0.8+ 0.4+
150525 673 0.3- 0.4- 150527 G40 0.1- 0.0 150529 H21 0.9+ 0.1-
150525 G40 0.0 0.2+ 150528 926 0.1+ 0.0 150529 H21 (1.4+ 0.3-)
150525 G40 0.0 0.1- 150528 926 0.3- 0.1- 150529 H21 (1.6+ 0.1-)
150525 G40 0.3- 0.0 150528 926 0.1- 0.1- 150529 926 1.1- 0.3-
150526 V30 (5.1+ 0.9+) 150528 654 0.1- 0.0 150529 926 2.1- 0.8-
150526 V30 (5.1+ 0.8+) 150528 H21 0.2- 0.3+ 150529 926 2.2- 0.6-
150526 V30 (4.7+ 0.2-) 150528 H21 0.1- 0.3+ 231018 I52 0.1- 0.1+
150526 V30 0.4- 0.4- 150528 H21 0.0 0.3+ 231018 I52 0.1- 0.1+
150526 E10 0.1- 0.1- 150528 H21 0.4- 0.4+ 231018 I52 0.3+ 0.0
150526 E10 0.1- 0.1- 150528 H21 0.1- 0.4+ 231019 T12 0.1- 0.2-
150526 E10 0.1- 0.1- 150528 H21 0.2- 0.3+ 231019 T12 0.1- 0.1-
150526 E10 0.2- 0.1- 150528 H21 0.3- 0.5+ 231022 V06 0.1+ 0.0
150526 E10 0.2- 0.0 150528 654 0.2+ 0.0 231022 V06 0.2+ 0.2+
150526 E10 0.1+ 0.1- 150528 926 0.3- 0.2+ 231022 V06 0.3- 0.1+
150526 E10 0.3- 0.1- 150528 926 0.5- 0.1-
150526 E10 0.2- 0.0 150528 926 0.2+ 0.3-
Ephemeris:
2015 KW120 a,e,i = 1.60, 0.49, 3 q = 0.8177
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 09 23 13 33 33.1 -30 20 59 0.1533 0.8881 38.1 135.7 28.0
...
2023 10 08 12 22 16.5 -69 06 49 0.05581 0.9760 63.7 113.3 24.1
...
2023 10 16 02 31 14.4 -42 25 17 0.05499 1.0309 126.6 51.0 21.7
...
2023 10 22 02 08 50.3 -16 33 54 0.08832 1.0742 152.0 25.8 22.1
2023 10 23 02 07 08.7 -14 05 35 0.09501 1.0816 154.3 23.5 22.2
2023 10 24 02 05 42.0 -11 56 02 0.1019 1.0890 156.3 21.5 22.3
...
2023 10 30 02 00 11.3 -03 13 59 0.1463 1.1339 162.9 14.9 22.9
...
2023 11 07 01 57 10.4 +02 46 11 0.2119 1.1947 162.1 14.8 23.8
...
2023 11 22 01 58 35.3 +08 20 05 0.3536 1.3089 151.2 21.3 25.4
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-U212
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