[Iaude] MPEC O53: 2019 CC31 [a=49.69,e=0.28,i=17.3,H=7.08]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-O53                                 Issued 2024 July 25, 20:03 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 CC31                                    


Additional Observations:
     K19C31C 1C2015 03 17.43135512 06 57.76 +05 47 49.5                WEO053T09
     K19C31C 1C2015 03 17.58863212 06 57.13 +05 47 53.2                WEO053T09
     K19C31C 1C2018 04 22.38706212 14 08.32 +04 01 49.3                WEO053T09
     K19C31C 1C2019 02 28.58112112 20 46.32 +03 02 23.1                WEO053T09
     K19C31C 1C2019 02 28.58449612 20 46.32 +03 02 23.2                WEO053T09
     K19C31C 1C2019 03 03.58750112 20 35.45 +03 03 32.4                WEO053T09
     K19C31C 1C2019 03 03.64376412 20 35.24 +03 03 33.7                WEO053T09
     K19C31C 1C2020 01 30.60917012 25 23.61 +02 12 14.9                WEO053T09

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
150317 T09 0.07- 0.06-    200130 T09 0.01- 0.01-    MPO840107   -7074 days

Orbital elements:
2019 CC31                                                                       
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 Alexandersen            
M 295.87790              (2000.0)            P               Q                  
n   0.00281358     Peri.  265.72069     +0.23374532     +0.96766301             
a  49.6931054      Node    18.64393     -0.73212828     +0.23934298             
e   0.2773303      Incl.   17.25430     -0.63980568     +0.07964440             
P 350              H    7.08          G   0.15           U   6                  
Residuals in seconds of arc
150317 T09  0.0   0.0     190228 T09  0.0   0.2-    190404 T09  0.2+  0.3+
150317 T09  0.0   0.0     190228 T09  0.2+  0.1-    190404 T09  0.0   0.1-
180422 T09  0.0   0.1-    190303 T09  0.0   0.0     190405 T09  0.0   0.2+
190205 T09  0.1+  0.2+    190303 T09  0.1-  0.0     190405 T09  0.2-  0.0
190205 T09  0.0   0.0     190404 T09  0.1+  0.1+    190405 T09  0.1-  0.1+
190205 T09  0.1-  0.2+    190404 T09  0.2-  0.1-    190405 T09  0.1+  0.2-
190205 T09  0.0   0.0     190404 T09  0.0   0.1-    200130 T09  0.0   0.0

Ephemeris:
2019 CC31                a,e,i = 49.69, 0.28, 17                 q = 35.9117
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 06 25    12 31 35.9 +00 00 30  47.2475 47.3229    93.6     1.2    24.0
...
2024 07 10    12 31 46.5 -00 02 34  47.4885 47.3124    79.4     1.2    24.0
...
2024 07 18    12 31 59.0 -00 04 56  47.6133 47.3068    71.9     1.2    24.0
...
2024 07 24    12 32 11.4 -00 07 00  47.7032 47.3026    66.2     1.1    24.0
2024 07 25    12 32 13.7 -00 07 22  47.7179 47.3019    65.3     1.1    24.0
2024 07 26    12 32 16.1 -00 07 44  47.7324 47.3012    64.3     1.1    24.0
...
2024 08 01    12 32 31.8 -00 10 08  47.8167 47.2970    58.7     1.1    24.0
...
2024 08 09    12 32 56.3 -00 13 40  47.9208 47.2914    51.1     1.0    24.0
...
2024 08 24    12 33 51.9 -00 21 12  48.0841 47.2809    37.0     0.7    24.0

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-O53