MPEC 2023-H154 : 2019 QW1
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M.P.E.C. 2023-H154 Issued 2023 April 23, 14:05 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
2019 QW1
Revision to MPEC 2019-Q74
Additional Observations:
K19Q01W 1C2023 04 01.26627513 48 45.050+29 22 03.72 20.58GVEH154G96
K19Q01W 1C2023 04 01.27143913 48 42.318+29 21 44.50 20.32GVEH154G96
K19Q01W 1C2023 04 01.27661313 48 39.578+29 21 25.13 20.47GVEH154G96
K19Q01W 1C2023 04 01.28177213 48 36.832+29 21 06.37 20.21GVEH154G96
K19Q01W KC2023 04 01.37899013 47 45.550+29 15 05.04 19.66GVEH154I52
K19Q01W KC2023 04 01.37976113 47 45.139+29 15 02.92 19.94GVEH154I52
K19Q01W KC2023 04 01.38051913 47 44.754+29 14 58.92 19.64GVEH154I52
K19Q01W KC2023 04 01.38127913 47 44.358+29 14 57.01 20.27GVEH154I52
K19Q01W C2023 04 12.32969212 56 05.723+21 19 44.69 21.70GVEH154F52
K19Q01W C2023 04 12.34125612 56 03.888+21 19 23.90 21.82GVEH154F52
K19Q01W 0C2023 04 15.40727512 49 20.486+19 53 07.54 22.18GVEH154T12
K19Q01W 0C2023 04 15.41445312 49 19.615+19 52 56.21 22.20GVEH154T12
K19Q01W 0C2023 04 15.42180112 49 18.712+19 52 44.64 22.22GVEH154T12
K19Q01W 0C2023 04 15.42943912 49 17.775+19 52 32.60 22.29GVEH154T12
K19Q01W 0C2023 04 15.43667512 49 16.888+19 52 21.22 22.05GVEH154T12
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, J. Fairlamb, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer J. B. Fazekas. Measurers E. J. Christensen,
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, A. Serrano, F. C. Shelly, K. W. Wierzchos. 1.5-m reflector + 10K
CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer J. K. Hogan. Measurers
E. J. Christensen, 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, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m 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.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
230401 G96 0.36- 0.49- 230415 T12 0.27- 0.16- MPO740916 -0.15 days
Orbital elements:
2019 QW1 Earth MOID = 0.0395 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 6.25330 (2000.0) P Q
n 0.29821723 Peri. 302.27631 +0.18964739 -0.97782908
a 2.2187799 Node 136.50757 +0.93864385 +0.15402630
e 0.7971350 Incl. 7.41243 +0.28806526 +0.14186681
P 3.31 H 22.42 G 0.15 U 0
Residuals in seconds of arc
190730 F51 0.1+ 0.2+ 190825 568 0.0 0.0 230401 I52 0.1+ 0.4+
190730 F51 0.1- 0.0 190826 807 (0.7- 1.2-) 230401 I52 0.3+ 0.8-
190730 F51 0.1+ 0.1+ 190826 807 (0.2- 1.1-) 230401 I52 0.3+ 0.1+
190730 F51 0.2- 0.2- 190826 H01 0.1- 0.1+ 230412 F52 0.2- 0.0
190808 F52 0.0 0.0 190826 H01 0.3- 0.2- 230412 F52 0.1+ 0.0
190808 F52 0.1+ 0.1- 190826 H01 0.1- 0.0 230415 T12 0.2- 0.1+
190808 F52 0.0 0.1- 190826 H01 0.1- 0.1- 230415 T12 0.0 0.0
190808 F52 0.1+ 0.1+ 230401 G96 0.2- 0.3+ 230415 T12 0.0 0.0
190824 F51 0.1- 0.0 230401 G96 0.1- 0.1+ 230415 T12 0.0 0.0
190824 F51 0.1+ 0.1- 230401 G96 0.1- 0.2- 230415 T12 0.0 0.0
190824 F51 0.1- 0.0 230401 G96 0.2- 0.1+
190825 568 0.0 0.0 230401 I52 0.2+ 0.4-
Ephemeris:
2019 QW1 a,e,i = 2.22, 0.80, 7 q = 0.4501
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 24 16 10 02.7 +39 11 30 0.1193 1.0474 112.1 61.9 20.1
...
2023 04 08 13 09 38.0 +23 48 31 0.2903 1.2593 149.3 24.0 21.4
...
2023 04 16 12 48 15.0 +19 37 50 0.4063 1.3661 148.4 22.6 22.2
...
2023 04 22 12 39 58.3 +17 21 35 0.4998 1.4436 145.1 23.5 22.8
2023 04 23 12 38 59.6 +17 01 30 0.5158 1.4563 144.5 23.6 22.9
2023 04 24 12 38 06.5 +16 42 02 0.5321 1.4689 143.8 23.8 23.0
...
2023 04 30 12 34 26.4 +14 55 30 0.6320 1.5433 139.5 25.1 23.5
...
2023 05 08 12 32 48.9 +12 53 06 0.7723 1.6393 133.5 26.5 24.1
...
2023 05 23 12 36 04.1 +09 37 45 1.0545 1.8098 122.2 28.2 25.1
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H154
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