[Iaude] MPEC E69: 2019 ER1 [a=1.21,e=0.13,i=8.3,H=23.5]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Mar 7 17:51:16 EST 2019


M.P.E.C. 2019-E69                                Issued 2019 Mar. 7, 22:48 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2019 ER1
 
Observations:
     K19E01R  C2019 01 09.54458610 11 08.220+42 25 50.47         22.4 GVEE069F51
     K19E01R  C2019 01 09.55667210 11 07.987+42 25 56.19         22.1 GVEE069F51
     K19E01R  C2019 01 09.56878510 11 07.748+42 26 01.87         22.1 GVEE069F51
     K19E01R* C2019 03 06.17529 08 07 24.02 +26 23 14.4          20.8 GVEE069G96
     K19E01R  C2019 03 06.18060 08 07 23.44 +26 22 57.3          20.9 GVEE069G96
     K19E01R  C2019 03 06.18591 08 07 22.78 +26 22 40.5          21.1 GVEE069G96
     K19E01R  C2019 03 06.21599208 07 19.04 +26 21 02.9          20.9 GVEE069H01
     K19E01R  C2019 03 06.21964408 07 18.62 +26 20 51.2          21.1 GVEE069H01
     K19E01R  C2019 03 06.22935208 07 17.51 +26 20 20.0          20.6 GVEE069H01
     K19E01R  C2019 03 06.23630908 07 16.70 +26 19 57.4          20.7 GVEE069H01
     K19E01R  C2019 03 06.33529 08 07 05.78 +26 14 37.1          20.6 GVEE069I52
     K19E01R  C2019 03 06.33695 08 07 05.61 +26 14 31.0          20.6 GVEE069I52
     K19E01R  C2019 03 06.33861 08 07 05.43 +26 14 25.9          21.5 GVEE069I52
     K19E01R  C2019 03 06.34028 08 07 05.21 +26 14 20.1          21.1 GVEE069I52
     K19E01R |C2019 03 07.03714 08 06 06.04 +25 38 14.7          20.8 GUEE069807
     K19E01R |C2019 03 07.04322 08 06 05.37 +25 37 55.6          20.8 GUEE069807
     K19E01R |C2019 03 07.04931 08 06 04.72 +25 37 36.1          20.6 GUEE069807
     K19E01R  C2019 03 07.10866 08 06 00.57 +25 33 28.2          20.9 GVEE069I52
     K19E01R  C2019 03 07.11200 08 06 00.21 +25 33 18.7          20.5 GVEE069I52
     K19E01R  C2019 03 07.11367 08 06 00.04 +25 33 13.4          22.0 GVEE069I52
 
Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    1.00-m f/10.0 astrograph + CCD.
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.
G96 Mt. Lemmon Survey.  Observers E. J. Christensen, T. A. Pruyne.  Measurers
    B. M. Africano, E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs,
    A. D. Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard,
    T. A. Pruyne, R. L. Seaman, F. C. Shelly.  1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls,
    R. A. Kowalski.  Measurers B. M. Africano, E. J. Christensen,
    G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller,
    R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, R. L. Seaman,
    F. C. Shelly.  1.0-m reflector + CCD.
 
Orbital elements:
2019 ER1                                                 Earth MOID = 0.0832 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 356.76610              (2000.0)            P               Q
n   0.74273134     Peri.  227.19340     -0.84422368     +0.53468744
a   1.2075771      Node   345.00448     -0.43992573     -0.73104644
e   0.1300156      Incl.    8.30185     -0.30618905     -0.42388730
P   1.33           H   23.5           G   0.15           U   6
Residuals in seconds of arc
190109 F51  0.1-  0.0     190306 H01  0.0   0.0     190307 807  0.0   0.2-
190109 F51  0.0   0.0     190306 H01  0.1+  0.1+    190307 807  0.0   0.0
190109 F51  0.0   0.0     190306 H01  0.0   0.1-    190307 807  0.4+  0.1-
190306 G96  0.0   0.1+    190306 I52  0.1-  0.4+    190307 I52  0.1-  0.6-
190306 G96  0.5+  0.2-    190306 I52  0.0   0.2-    190307 I52  0.1-  0.4+
190306 G96  0.0   0.2-    190306 I52  0.0   0.2+    190307 I52  0.0   0.4+
190306 H01  0.1-  0.0     190306 I52  0.6-  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 02 05    09 29 35.1 +43 17 38   0.1867  1.1548   152.6    23.1    21.3
...
2019 02 20    08 40 55.9 +37 20 58   0.1597  1.1257   146.9    28.7    21.0
...
2019 02 28    08 19 20.8 +31 37 18   0.1531  1.1113   139.5    35.4    21.1
...
2019 03 06    08 07 40.3 +26 32 40   0.1514  1.1011   133.2    41.0    21.2
2019 03 07    08 06 08.4 +25 39 29   0.1513  1.0995   132.2    42.0    21.2
2019 03 08    08 04 43.7 +24 45 51   0.1513  1.0979   131.1    42.9    21.3
...
2019 03 14    07 58 39.4 +19 18 24   0.1526  1.0887   125.0    48.4    21.4
...
2019 03 22    07 56 15.4 +12 02 59   0.1567  1.0776   117.6    55.0    21.6
...
2019 04 06    08 04 45.2 -00 37 31   0.1689  1.0616   106.7    64.5    22.1

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-E69



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