MPEC 2019-P70 : 2019 ER1
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M.P.E.C. 2019-P70 Issued 2019 August 9, 15:15 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 ER1
Revision to MPEC 2019-E69
Additional Observations:
K19E01R C2014 12 29.51344408 25 58.016+52 00 53.96 22.0 GVEP070F51
K19E01R C2014 12 29.52538008 25 56.610+52 01 03.65 22.5 GVEP070F51
K19E01R C2014 12 29.53725308 25 55.238+52 01 12.79 22.6 GVEP070F51
K19E01R C2014 12 29.54913408 25 53.815+52 01 22.16 23.4 GVEP070F51
K19E01R C2015 01 11.47124007 53 40.099+53 52 18.48 22.2 GVEP070F51
K19E01R C2015 01 11.48547607 53 37.078+53 52 20.04 22.5 GVEP070F51
K19E01R C2015 01 13.48322207 47 02.557+53 54 01.33 22.1 GVEP070F51
K19E01R C2015 01 13.49788307 46 59.280+53 54 00.14 22.0 GVEP070F51
K19E01R C2015 01 27.24569507 00 30.994+51 29 18.95 22.8 GVEP070F51
K19E01R C2015 01 27.25874107 00 28.416+51 29 04.13 22.5 GVEP070F51
K19E01R C2015 01 27.27180807 00 25.854+51 28 50.15 21.7 GVEP070F51
K19E01R C2015 02 16.27125906 25 28.889+41 35 48.96 22.3 GVEP070F51
K19E01R C2015 02 17.23458706 25 06.364+41 01 46.54 22.2 GVEP070F51
K19E01R C2015 02 17.24658006 25 05.924+41 01 22.01 21.7 GVEP070F51
K19E01R C2015 02 17.25863906 25 05.446+41 00 56.69 22.0 GVEP070F51
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, 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 (or two decimals in degrees), reference and Delta-T
141229 F51 0.11- 0.05- 150217 F51 0.11- 0.01- MPO467503 0.00 days
Orbital elements:
2019 ER1 Earth MOID = 0.0832 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 (M-h) MPC
M 356.76569 (2000.0) P Q
n 0.74273940 Peri. 227.19347 -0.84422167 +0.53469070
a 1.2075684 Node 345.00464 -0.43993022 -0.73104587
e 0.1300075 Incl. 8.30163 -0.30618815 -0.42388417
P 1.33 H 23.6 G 0.15 U 2
Residuals in seconds of arc
141229 F51 0.1- 0.1- 190306 G96 0.1- 0.0 190326 291 0.1- 0.1+
141229 F51 0.1- 0.1+ 190306 G96 0.5+ 0.3- 190329 C51 0.0 0.7-
141229 F51 0.2+ 0.1- 190306 G96 0.0 0.2- 190329 C51 0.1- 0.3-
141229 F51 0.0 0.1+ 190306 H01 0.1- 0.0 190329 C51 0.8+ 0.3-
150111 F51 0.1- 0.2- 190306 H01 0.1- 0.0 190329 C51 0.2+ 1.1+
150111 F51 0.2+ 0.1- 190306 H01 0.1+ 0.1+ 190329 C51 0.7+ 0.1+
150113 F51 0.1+ 0.2+ 190306 H01 0.0 0.1- 190330 C51 0.6+ 1.6+
150113 F51 0.1+ 0.1+ 190306 I52 0.2- 0.4+ 190330 C51 0.4+ 0.6+
150127 F51 0.1- 0.1- 190306 I52 0.0 0.3- 190330 C51 1.7+ 1.2+
150127 F51 0.2- 0.4- 190306 I52 0.1- 0.1+ 190330 C51 0.4- 0.0
150127 F51 0.1+ 0.2+ 190306 I52 0.6- 0.2- 190330 C51 0.3- 1.4-
150216 F51 0.8- 0.8+ 190307 807 0.1- 0.3- 190330 C51 1.0- 0.5+
150217 F51 0.0 0.3- 190307 807 0.1- 0.1- 190330 C51 0.3+ 0.9-
150217 F51 0.3+ 0.1+ 190307 807 0.3+ 0.2- 190330 C51 0.7- 1.0-
150217 F51 0.1+ 0.0 190307 I52 0.2- 0.7- 190404 291 0.6- 0.2+
190109 F51 0.1- 0.0 190307 I52 0.2- 0.3+ 190404 291 0.1+ 0.9-
190109 F51 0.0 0.1- 190307 I52 0.1- 0.3+ 190404 291 0.1+ 0.0
190109 F51 0.0 0.1- 190326 291 0.1- 0.5- 190404 F51 0.1- 0.1+
Ephemeris:
2019 ER1 a,e,i = 1.21, 0.13, 8 q = 1.0506
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 07 10 13 24 40.8 -47 21 54 0.2610 1.1245 107.9 59.4 23.1
...
2019 07 25 14 54 11.0 -45 51 55 0.2944 1.1536 110.8 55.4 23.3
...
2019 08 02 15 37 53.3 -43 53 17 0.3184 1.1697 111.5 53.8 23.4
...
2019 08 08 16 08 03.7 -42 04 09 0.3393 1.1820 111.6 52.9 23.6
2019 08 09 16 12 51.9 -41 44 48 0.3430 1.1841 111.6 52.8 23.6
2019 08 10 16 17 36.3 -41 25 12 0.3468 1.1861 111.6 52.6 23.6
...
2019 08 16 16 44 43.8 -39 23 25 0.3712 1.1985 111.3 51.9 23.8
...
2019 08 24 17 17 40.0 -36 35 09 0.4075 1.2148 110.4 51.3 24.0
...
2019 09 08 18 11 39.1 -31 23 19 0.4872 1.2444 107.5 50.5 24.4
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-P70
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