[Iaude] MPEC X32: 2019 QE112 [a=44.92,e=0.06,i=3.6,H=7.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 4 12:19:46 EST 2023 

M.P.E.C. 2023-X32                              Issued 2023 December 4, 17:18 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2019 QE112                                   


Observations:
     K19QB2E*(C2019 08 30.21242023 34 35.479-04 36 23.47         23.34rVEX032W84
     K19QB2E (C2019 08 30.38721423 34 34.762-04 36 27.99         23.34rVEX032W84
     K19QB2E (C2019 09 28.01227723 32 34.828-04 48 59.72         23.29rVEX032W84
     K19QB2E (C2019 09 28.17754823 32 34.127-04 49 03.80         23.29rVEX032W84
     K19QB2E !C2020 10 18.01513 23 35 41.06 -04 23 56.5          24.1 V EX032W84
     K19QB2E !C2020 10 18.07030 23 35 40.87 -04 23 57.6                 EX032W84
     K19QB2E !C2020 10 18.09799 23 35 40.77 -04 23 58.1                 EX032W84
     K19QB2E !C2020 10 18.15327 23 35 40.57 -04 23 59.2                 EX032W84
     K19QB2E (C2021 09 09.07350823 42 45.072-03 34 37.46         23.18rVEX032W84
     K19QB2E (C2021 09 09.19257223 42 44.560-03 34 40.60         23.18rVEX032W84
     K19QB2E (C2021 10 06.00276523 40 52.786-03 46 16.78         23.61rVEX032W84
     K19QB2E (C2021 10 06.16795423 40 52.112-03 46 20.79         23.61rVEX032W84
     K19QB2E !C2022 08 24.22448 23 48 13.84 -02 54 34.2          24.3 VXEX032W84
     K19QB2E !C2022 08 24.27272 23 48 13.64 -02 54 35.5          24.1 VXEX032W84
     K19QB2E !C2022 08 24.29691 23 48 13.56 -02 54 35.9          24.5 VXEX032W84
     K19QB2E !C2022 08 24.30727 23 48 13.53 -02 54 36.3          24.0 VXEX032W84
     K19QB2E !C2022 08 24.32105 23 48 13.47 -02 54 36.7          24.2 VXEX032W84
     K19QB2E !C2022 08 24.33136 23 48 13.43 -02 54 36.9          24.1 VXEX032W84
     K19QB2E !C2022 08 24.34509 23 48 13.38 -02 54 37.2          23.8 VXEX032W84
     K19QB2E !C2022 08 24.37953 23 48 13.25 -02 54 37.9          23.7 VXEX032W84
     K19QB2E !C2022 08 24.39332 23 48 13.20 -02 54 38.4          23.9 VXEX032W84
     K19QB2E !C2022 08 24.40369 23 48 13.15 -02 54 38.5          23.9 VXEX032W84

Observer details:
W84 Cerro Tololo-DECam.  Observers C. Chandler, H. Smotherman, P. H.
    Bernardinelli, K. Napier, R. Strauss, W. Oldroyd, S. Portillo, D.
    Bektesevic, L. Markwardt, M. Porter, A. Simpson, K. Weber, G. Gowman, M.
    Juric, D. Trilling, M. Holman, D. Gerdes, H. W. Lin, A. Connolly, C.
    Trujillo, F. Adams, C. Fuentes, A. McNeill, M. Payne, D. Ragozzine, A.
    Rivkin, H. Schlichting, S. Sheppard, M. Mommert.  Measurers C. Chandler,
    H. Smotherman, P. H. Bernardinelli, K. Napier, R. Strauss, W. Oldroyd, S.
    Portillo, D. Bektesevic, L. Markwardt, M. Porter, A. Simpson, K. Weber, G.
    Gowman, M. Juric, D. Trilling, M. Holman, D. Gerdes, H. W. Lin, A.
    Connolly, C. Trujillo, F. Adams, C. Fuentes, A. McNeill, M. Payne, D.
    Ragozzine, A. Rivkin, H. Schlichting, S. Sheppard, M. Mommert, F. Valdes.
    4.02-m Prime focus + CCD, 4.0-m CTIO reflector, 4.0-m CTIO reflector +
    DECam.

Orbital elements:
2019 QE112                                                                      
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M  83.69891              (2000.0)            P               Q                  
n   0.00327422     Peri.  246.80577     -0.05915553     +0.99802462             
a  44.9156543      Node    19.83770     -0.89157436     -0.04329101             
e   0.0565045      Incl.    3.57381     -0.44899420     -0.04552735             
P 301              H    7.27          G   0.15           U   4                  
Residuals in seconds of arc
190830 W84  0.0   0.0     210909 W84  0.1+  0.1-    220824 W84  0.0   0.1-
190830 W84  0.0   0.0     210909 W84  0.0   0.0     220824 W84  0.0   0.0
190928 W84  0.1+  0.1-    211006 W84  0.1+  0.0     220824 W84  0.0   0.0
190928 W84  0.0   0.0     211006 W84  0.0   0.0     220824 W84  0.0   0.1+
201018 W84  0.1-  0.0     220824 W84  0.1+  0.1+    220824 W84  0.0   0.0
201018 W84  0.0   0.0     220824 W84  0.2-  0.1-    220824 W84  0.1-  0.1+
201018 W84  0.0   0.1+    220824 W84  0.0   0.1+
201018 W84  0.1-  0.1+    220824 W84  0.1+  0.0

Ephemeris:
2019 QE112               a,e,i = 44.92, 0.06, 4                  q = 42.3777
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 04    23 48 02.0 -02 49 56  44.0787 44.7873   135.1     0.9    23.9
...
2023 11 19    23 47 27.6 -02 53 01  44.2883 44.7895   119.9     1.1    23.9
...
2023 11 27    23 47 16.0 -02 53 55  44.4150 44.7906   111.8     1.2    23.9
...
2023 12 03    23 47 10.7 -02 54 13  44.5148 44.7915   105.7     1.2    23.9
2023 12 04    23 47 10.1 -02 54 14  44.5318 44.7916   104.7     1.2    23.9
2023 12 05    23 47 09.6 -02 54 14  44.5488 44.7918   103.7     1.2    23.9
...
2023 12 11    23 47 08.3 -02 54 06  44.6524 44.7927    97.6     1.2    24.0
...
2023 12 19    23 47 11.4 -02 53 23  44.7926 44.7938    89.4     1.3    24.0
...
2024 01 03    23 47 31.8 -02 50 29  45.0526 44.7960    74.3     1.2    24.0

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-X32

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