MPEC 2023-H71 : 2019 QT
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M.P.E.C. 2023-H71 Issued 2023 April 18, 14:12 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 QT
Revision to MPEC 2019-Q42
Additional Observations:
K19Q00T C2013 05 10.25572908 49 58.896+11 56 39.61 21.47GVEH071F51
K19Q00T C2013 05 10.25989508 50 01.627+11 56 30.35 20.68GVEH071F51
K19Q00T C2013 05 10.26405708 50 04.399+11 56 21.06 20.79GVEH071F51
K19Q00T C2019 08 23.31001 20 31 47.550-03 21 03.85 20.6 wUEH071F52
K19Q00T C2019 08 23.32162 20 31 43.840-03 21 09.15 20.7 wUEH071F52
K19Q00T C2019 08 23.33323 20 31 40.115-03 21 14.39 20.6 wUEH071F52
K19Q00T C2023 04 16.57092415 37 13.210-29 50 59.63 18.55GVEH071F52
K19Q00T C2023 04 16.96908215 32 44.359-29 23 28.46 18.83oVEH071M22
K19Q00T C2023 04 16.97155715 32 42.672-29 23 18.24 18.72oVEH071M22
K19Q00T C2023 04 16.97481515 32 40.438-29 23 05.64 18.23oVEH071M22
K19Q00T C2023 04 16.98463615 32 33.766-29 22 26.47 18.72oVEH071M22
K19Q00T KC2023 04 17.12708915 31 00.301-29 12 57.25 19.2 GXEH071Y00
K19Q00T KC2023 04 17.13489515 30 55.037-29 12 26.33 18.2 GXEH071Y00
K19Q00T KC2023 04 17.14269915 30 49.803-29 11 54.79 18.2 GXEH071Y00
K19Q00T KC2023 04 17.30086215 29 07.148-29 01 46.06 18.85GVEH071I52
K19Q00T KC2023 04 17.30137915 29 06.788-29 01 43.86 18.60GVEH071I52
K19Q00T KC2023 04 17.30193215 29 06.421-29 01 41.81 18.62GVEH071I52
K19Q00T KC2023 04 17.30247015 29 06.090-29 01 39.72 18.69GVEH071I52
K19Q00T KC2023 04 17.59402 15 26 00.27 -28 41 37.6 19.1 VqEH071E23
K19Q00T KC2023 04 17.60790 15 25 51.36 -28 40 42.8 19.5 VqEH071E23
K19Q00T KC2023 04 17.62179 15 25 42.45 -28 39 48.1 19.5 VqEH071E23
Observer details:
E23 Arcadia. Observer A. Hidas. 0.35-m f/1.9 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, 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.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman, K. Chambers, I. Smith. Measurers K. Chambers, S.
Chastel, T. de Boer, L. Denneau, J. Fairlamb, H. Flewelling, M. Huber,
C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m prime focus + CCD.
M22 ATLAS South Africa, Sutherland. Observers L. Denneau, R. Siverd, J.
Tonry, H. Weiland. Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A.
Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland. 0.5-m Reflector +
CCD.
Y00 SONEAR Observatory, Oliveira. Observer C. Jacques. 0.45-m f/2.9
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
130510 F51 12- 4- 230417 E23 3- 1- MPO496139 +2.36 days
Orbital elements:
2019 QT PHA, Earth MOID = 0.0425 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5 Veres
M 1.56960 (2000.0) P Q
n 0.29828435 Peri. 215.00980 -0.02463225 -0.99762201
a 2.2184471 Node 236.48350 +0.93392267 +0.00000629
e 0.8284460 Incl. 4.42812 +0.35662542 -0.06892260
P 3.30 H 20.87 G 0.15 U 0
Residuals in seconds of arc
130510 F51 0.1- 0.1- 190823 F52 0.0 0.1+ 190918 I52 0.0 0.5+
130510 F51 0.3- 0.1- 190823 F52 0.0 0.1+ 190918 I52 0.2+ 0.2+
130510 F51 0.2+ 0.2- 190825 291 0.1+ 0.1+ 230416 F52 0.2+ 0.1-
190819 F52 0.3+ 0.4+ 190825 291 0.2- 0.1- 230416 M22 0.0 0.2+
190819 F52 0.4+ 0.2+ 190827 I52 (3.3+ 1.4+) 230416 M22 0.0 0.5+
190819 F52 0.0 0.0 190827 I52 0.1- 0.1+ 230416 M22 0.2- 0.0
190821 G96 0.2- 0.5+ 190827 I52 0.0 0.1+ 230416 M22 0.1+ 0.3-
190821 G96 0.3- 0.2+ 190827 I52 0.0 0.1- 230417 Y00 0.2+ 0.2-
190821 G96 0.2+ 0.3+ 190829 807 0.1- 0.1+ 230417 Y00 0.0 0.4-
190821 G96 0.0 0.1+ 190829 807 0.0 0.3- 230417 Y00 0.2+ 0.1+
190821 I52 0.1- 1.1- 190902 807 0.2+ 0.4- 230417 I52 0.1+ 0.1-
190821 I52 0.1+ 0.1- 190902 807 0.2+ 1.5- 230417 I52 0.2- 0.0
190822 691 0.9+ 0.2+ 190902 807 0.2- 0.7- 230417 I52 0.2- 0.1-
190822 691 0.6+ 0.1- 190903 807 0.6- 0.1- 230417 I52 0.1+ 0.2-
190822 G96 0.1+ 0.2+ 190903 807 0.1- 0.2- 230417 E23 0.1+ 0.1-
190822 G96 0.0 0.5- 190918 I52 0.0 0.0 230417 E23 0.0 0.1-
190823 F52 0.1- 0.1+ 190918 I52 0.1+ 0.3- 230417 E23 0.1- 0.4-
Ephemeris:
2019 QT a,e,i = 2.22, 0.83, 4 q = 0.3806
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 03 19 22 55 03.6 -16 28 40 0.2884 0.7334 21.0 150.9 26.1
...
2023 04 03 19 54 32.0 -35 38 23 0.1708 0.9823 79.3 90.9 20.2
...
2023 04 11 17 01 29.6 -35 50 37 0.1803 1.1073 121.7 50.3 19.2
...
2023 04 17 15 32 23.5 -29 21 30 0.2233 1.1973 147.1 27.1 19.2
2023 04 18 15 21 50.2 -28 14 58 0.2327 1.2120 150.6 24.0 19.2
2023 04 19 15 12 15.5 -27 10 36 0.2426 1.2266 153.9 21.1 19.3
...
2023 04 25 14 30 26.8 -21 43 20 0.3106 1.3125 169.7 7.9 19.5
...
2023 05 03 14 00 06.1 -16 54 38 0.4186 1.4226 170.7 6.6 20.2
...
2023 05 18 13 36 59.2 -12 26 19 0.6577 1.6163 150.4 18.0 21.9
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-H71
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