MPEC 2022-R131 : 2019 WR2
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M.P.E.C. 2022-R131 Issued 2022 September 7, 20:02 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
2019 WR2
Revision to MPEC 2021-C135
Additional Observations:
K19W02R C2019 12 04.35934107 49 14.79 +25 31 29.0 18.32oVER131T08
K19W02R C2019 12 04.36495007 49 16.09 +25 32 02.8 18.36oVER131T08
K19W02R C2019 12 04.36950007 49 17.02 +25 32 29.7 18.61oVER131T08
K19W02R C2019 12 04.38169307 49 19.68 +25 33 41.0 18.46oVER131T08
K19W02R C2019 12 08.51434308 06 17.08 +32 45 58.3 18.19oVER131T08
K19W02R C2019 12 08.51988908 06 18.55 +32 46 36.0 18.21oVER131T08
K19W02R C2019 12 08.52313208 06 19.39 +32 46 58.3 18.00oVER131T08
K19W02R C2019 12 08.53468308 06 22.41 +32 48 15.8 18.22oVER131T08
K19W02R C2019 12 09.50799108 10 58.60 +34 38 40.0 18.15oVER131T08
K19W02R C2019 12 09.51128308 10 59.50 +34 39 02.7 17.80oVER131T08
K19W02R C2019 12 09.52113108 11 02.23 +34 40 10.9 18.66oVER131T08
K19W02R C2019 12 09.52317708 11 02.825+34 40 24.36 18.01iUER131F52
K19W02R C2019 12 09.53075308 11 04.91 +34 41 17.5 18.13oVER131T08
K19W02R C2019 12 09.53503608 11 06.124+34 41 46.47 18.05iUER131F52
K19W02R C2019 12 09.54691808 11 09.423+34 43 08.50 17.99iUER131F52
K19W02R C2019 12 09.55882808 11 12.734+34 44 30.76 18.04iUER131F52
K19W02R C2019 12 11.50853608 21 19.06 +38 33 46.4 17.78oVER131T05
K19W02R C2019 12 11.51231608 21 20.26 +38 34 13.2 18.05oVER131T05
K19W02R C2019 12 11.51915008 21 22.40 +38 35 03.2 18.04oVER131T05
K19W02R C2019 12 11.53291108 21 26.78 +38 36 41.9 18.04oVER131T05
K19W02R C2019 12 19.49286409 20 08.35 +54 42 23.9 17.75oVER131T05
K19W02R C2019 12 19.49538109 20 09.82 +54 42 41.0 17.95oVER131T05
K19W02R C2019 12 19.50145309 20 13.24 +54 43 23.7 18.28oVER131T05
K19W02R C2019 12 19.51242809 20 19.47 +54 44 40.2 17.73oVER131T05
K19W02R C2019 12 29.41507911 40 51.27 +68 48 04.3 18.12oVER131T08
K19W02R C2019 12 29.42005811 40 56.82 +68 48 18.7 18.94oVER131T08
K19W02R C2019 12 29.42410811 41 01.22 +68 48 30.4 18.05oVER131T08
K19W02R C2019 12 29.43664211 41 14.94 +68 49 06.7 18.03oVER131T08
K19W02R C2020 01 02.64458712 59 56.76 +70 47 40.4 18.22oVER131T08
K19W02R C2020 01 02.64905313 00 01.51 +70 47 43.7 18.28oVER131T08
K19W02R C2020 01 02.65648913 00 09.38 +70 47 49.0 18.38oVER131T08
K19W02R C2020 01 02.66617813 00 19.73 +70 47 55.7 18.27oVER131T08
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe, A.
Schultz, M. Willman. 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.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N.
Erasmus. 0.5-m reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N.
Erasmus. 0.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
191204 T08 0.5- 0.9- 200102 T08 0.4- 0.1- MPO546167 -0.01 days
Orbital elements:
2019 WR2 Earth MOID = 0.2454 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Veres
M 239.81749 (2000.0) P Q
n 0.25685076 Peri. 46.54364 -0.49054522 -0.70675569
a 2.4510311 Node 79.88439 +0.57178861 -0.70249889
e 0.5413072 Incl. 31.18584 +0.65758891 +0.08361644
P 3.84 H 19.22 G 0.15 U 0
Residuals in seconds of arc
151130 F51 (0.2+ 0.5-) 191201 H45 0.4- 0.6- 191220 I52 0.3+ 0.1-
151130 F51 0.1- 0.1- 191201 H45 0.6- 0.5- 191220 I52 0.1+ 0.3+
160129 F51 0.1+ 0.2- 191201 H45 0.6- 0.5- 191220 I52 0.3- 0.2-
160129 F51 0.1+ 0.0 191201 H45 0.7- 0.3- 191220 I52 0.0 0.0
160129 F51 0.0 0.3+ 191201 H45 1.0- 0.3- 191221 I52 0.1- 0.1+
160129 F51 0.0 0.1- 191203 703 (1.7+ 0.0 ) 191221 I52 0.0 0.1-
191124 G96 0.0 0.0 191203 703 0.6+ 0.1+ 191221 I52 0.2- 0.0
191124 G96 0.2+ 0.0 191203 703 0.6+ 0.1- 191221 I52 0.1+ 0.1+
191124 G96 0.0 0.0 191204 T08 (0.6- 1.0-) 191229 T08 0.2- 0.4+
191124 H01 0.0 0.0 191204 T08 0.5+ 0.1- 191229 T08 0.3+ 0.2+
191124 H01 0.0 0.0 191204 T08 0.3- 0.2+ 191229 T08 0.1+ 0.0
191124 H01 0.0 0.0 191204 T08 0.1+ 0.1- 191229 T08 0.1+ 0.2-
191124 H01 0.0 0.0 191204 246 0.4+ 0.1- 191229 I41 (1.3+ 0.5+)
191125 K88 0.1- 0.1+ 191204 246 0.2+ 0.2+ 191229 I41 (1.3+ 0.5+)
191125 K88 0.0 0.1- 191204 246 0.6+ 0.1+ 191229 I41 (1.1+ 0.4+)
191125 K88 0.0 0.2+ 191204 246 0.3- 0.1+ 191229 I41 (1.1+ 0.6+)
191125 L04 0.1+ 0.3- 191204 246 0.2+ 0.5- 200101 I41 (1.0+ 0.1+)
191125 L04 0.4- 0.5- 191204 246 0.2- 0.2+ 200101 I41 (1.0+ 0.2+)
191125 L01 0.0 0.0 191204 246 0.5+ 0.3- 200101 I41 (0.9+ 0.1+)
191125 L01 0.1- 0.2- 191205 K87 0.2+ 0.1- 200101 I41 (1.0+ 0.3+)
191125 L01 0.1- 0.3+ 191205 K87 0.2+ 0.2- 200102 T08 0.4+ 0.2+
191125 L01 0.0 0.1+ 191205 K87 0.2+ 0.2- 200102 T08 0.2+ 0.2+
191125 L01 0.1- 0.1+ 191205 H21 0.2+ 0.3+ 200102 T08 0.2- 0.2+
191125 L01 0.0 0.2- 191205 H21 0.1+ 0.1+ 200102 T08 0.3- 0.0
191125 L01 0.0 0.1+ 191205 H21 0.1+ 0.0 200103 I52 0.3+ 0.2-
191125 I52 0.4+ 0.6- 191205 H21 0.0 0.0 200103 I52 0.0 0.0
191125 I52 0.5+ 0.3- 191205 H21 0.1+ 0.1+ 200103 I52 0.2+ 0.2-
191125 I52 0.2+ 0.4- 191205 H21 0.0 0.1+ 200103 I52 0.1- 0.2+
191125 I52 0.2- 0.3- 191205 H21 0.2+ 0.1- 200107 H45 0.5- 0.2+
191125 I52 0.3+ 0.5- 191205 H21 0.1+ 0.1+ 200107 H45 1.1- 0.2+
191125 H21 0.2- 0.2- 191205 H21 0.1+ 0.0 200107 H45 0.8- 0.0
191125 H21 0.2- 0.2- 191205 H21 0.2+ 0.0 200107 H45 0.8- 0.5+
191125 H21 0.3- 0.1+ 191205 B67 0.0 0.3+ 200107 H45 0.1- 0.0
191125 H21 0.2+ 0.1- 191205 B67 0.2- 0.1+ 200107 H45 0.5- 0.1+
191125 H36 0.0 0.1- 191205 B67 0.2- 0.1+ 200125 703 0.7- 0.2+
191125 H36 0.3+ 0.0 191205 246 0.1+ 0.3+ 200125 703 0.7+ 0.1-
191125 H36 0.4+ 0.2- 191205 246 0.6- 0.8- 200125 703 0.4+ 0.1+
191125 850 0.1- 0.8+ 191205 246 1.1- 0.5- 200125 703 0.1+ 0.0
191125 850 0.3+ 0.0 191205 246 0.4- 0.3- 200128 703 0.8+ 0.1-
191125 654 0.0 0.1- 191205 246 0.1- 0.1- 200128 703 0.5- 0.7+
191125 654 0.0 0.0 191205 246 0.3- 0.1+ 200128 703 0.1- 0.7+
191125 654 0.0 0.1- 191205 246 0.3- 0.4- 200128 703 0.3- 0.3-
191125 587 0.2- 0.3+ 191207 H45 1.0- 1.1- 200131 703 0.2- 0.1-
191125 587 (0.3- 1.1+) 191207 H45 0.6- 1.3- 200131 703 0.8- 0.5-
191125 587 0.8- 0.5+ 191207 H45 0.6- 0.9- 200131 703 0.3- 0.2-
191125 104 0.1- 0.4- 191207 H45 1.2- 0.9- 200131 703 (0.9- 1.9+)
191125 104 0.2+ 0.0 191207 H45 0.5- 0.9- 200229 I52 0.2- 0.2-
191125 K63 0.0 0.4- 191207 H45 0.5- 0.5- 200229 I52 0.1+ 0.2+
191125 K63 0.0 0.4- 191208 T08 0.1- 0.4- 200229 I52 0.1+ 0.1-
191125 104 0.1- 0.1- 191208 T08 0.1+ 0.1- 200229 I52 0.1+ 0.0
191125 K63 0.2+ 0.1+ 191208 T08 0.1- 0.4+ 200405 G96 0.5- 0.4-
191126 W87 0.1+ 0.3+ 191208 T08 0.1- 0.2+ 200405 G96 (0.9+ 0.3-)
191126 W87 0.1- 0.2- 191209 T08 0.2+ 0.0 200405 G96 0.4+ 0.6+
191126 W87 0.2+ 0.2+ 191209 T08 0.0 0.0 200405 G96 0.1- 0.3-
191126 W87 0.3+ 0.1+ 191209 T08 0.0 0.0 200405 I52 0.3+ 0.2-
191126 W87 1.2+ 0.1+ 191209 F52 0.0 0.1- 200405 I52 (1.2+ 0.2-)
191126 W87 0.2+ 0.2- 191209 T08 0.0 0.1+ 200405 I52 0.1- 0.1-
191126 T08 0.1- 0.5+ 191209 F52 0.0 0.0 200405 I52 0.2+ 0.3-
191126 T08 0.3+ 0.1+ 191209 F52 0.0 0.1- 200410 G96 0.4- 0.1+
191126 T08 0.3- 0.3+ 191209 F52 0.0 0.0 200410 G96 0.0 0.5+
191126 T08 0.3- 0.1- 191211 T05 0.1- 0.1+ 200410 G96 0.5+ 0.1-
191126 E23 0.2- 0.3+ 191211 T05 0.0 0.4- 200410 G96 0.2- 0.2+
191126 E23 0.1- 0.0 191211 T05 0.2- 0.2+ 200417 F51 0.0 0.0
191126 E23 0.3+ 0.3+ 191211 T05 0.3+ 0.4- 200417 F51 0.0 0.0
191126 Q62 1.2- 0.9+ 191217 I52 0.2- 0.1- 200417 F51 0.1- 0.1-
191126 Q62 0.1+ 0.5- 191217 I52 0.0 0.0 200417 F51 0.0 0.1+
191126 Q62 0.1- 0.3+ 191217 I52 0.0 0.0 200514 I52 0.1- 0.0
191126 033 0.1+ 0.2+ 191217 I52 0.1+ 0.0 200514 I52 0.1- 0.3+
191127 033 0.4- 0.2- 191219 703 0.2+ 0.1+ 200514 I52 0.2+ 0.1-
191129 204 0.1- 0.1+ 191219 703 0.1- 0.2+ 200514 I52 0.1+ 0.2+
191129 204 0.1+ 0.2+ 191219 703 0.1- 0.0 200517 G96 0.2- 0.0
191129 204 0.1- 0.1+ 191219 703 0.0 0.1- 200517 G96 0.2+ 0.6-
191130 G40 0.2+ 0.1- 191219 T05 0.0 0.3+ 200517 G96 (0.0 1.0-)
191130 G40 0.8+ 0.4+ 191219 T05 0.4+ 0.2- 200517 G96 0.0 0.4-
191130 G40 0.8+ 0.1+ 191219 T05 0.2+ 0.1+
191201 H45 0.5- 0.8- 191219 T05 0.1+ 0.2+
Ephemeris:
2019 WR2 a,e,i = 2.45, 0.54, 31 q = 1.1243
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 08 08 23 27 32.6 -47 01 14 2.6486 3.4714 138.2 11.2 24.7
...
2022 08 23 23 12 46.1 -49 31 02 2.5952 3.4297 139.7 11.0 24.7
...
2022 08 31 23 02 59.7 -50 29 55 2.5888 3.4063 138.0 11.4 24.7
...
2022 09 06 22 55 13.1 -51 01 37 2.5937 3.3883 135.6 12.0 24.7
2022 09 07 22 53 54.4 -51 05 47 2.5953 3.3853 135.1 12.1 24.7
2022 09 08 22 52 35.7 -51 09 38 2.5971 3.3822 134.7 12.2 24.7
...
2022 09 14 22 44 47.2 -51 25 50 2.6124 3.3635 131.4 13.0 24.7
...
2022 09 22 22 34 54.1 -51 29 10 2.6440 3.3380 126.3 14.0 24.7
...
2022 10 07 22 19 54.2 -50 43 30 2.7319 3.2878 115.4 15.9 24.9
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-R131
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