[Iaude] MPEC M72: 2019 CD2 [a=2.45,e=0.75,i=6.7,H=20.07]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Jun 25 10:07:30 EDT 2022


M.P.E.C. 2022-M72                                 Issued 2022 June 25, 14:06 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 CD2                                    


                           Revision to MPEC 2019-C75                            

Additional Observations:
     K19C02D KC2022 06 09.57615621 13 23.784-18 56 57.56         23.07GVEM072F52
     K19C02D  C2022 06 22.51086621 17 38.388-18 18 49.23         22.20GVEM072T14
     K19C02D  C2022 06 22.55816721 17 38.590-18 18 42.09         22.12GVEM072T14
     K19C02D  C2022 06 22.58930221 17 38.720-18 18 37.24         22.33GVEM072T14
     K19C02D KC2022 06 22.61864121 17 38.844-18 18 32.66         22.65GVEM072T14
     K19C02D  C2022 06 23.47636721 17 45.088-18 16 21.10         22.12GVEM072T14
     K19C02D  C2022 06 23.54963321 17 45.258-18 16 10.41         22.12GVEM072T14
     K19C02D  C2022 06 23.60500921 17 45.367-18 16 01.99         22.45GVEM072T14
     K19C02D  C2022 06 24.55888121 17 49.793-18 13 39.85         22.32GVEM072T14
     K19C02D  C2022 06 24.58715621 17 49.785-18 13 35.73         22.49GVEM072T14

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer L. Wells.  Measurer D.
    J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
220609 F52 0.08+ 0.03+    220624 T14 0.11+ 0.05+    MPO562918   +0.06 days

Orbital elements:
2019 CD2                                            PHA, Earth MOID = 0.0314 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
M 340.95701              (2000.0)            P               Q                  
n   0.25689244     Peri.  113.42650     +0.52001253     -0.84871393             
a   2.4507659      Node   304.89068     +0.73457258     +0.50188410             
e   0.7479100      Incl.    6.74155     +0.43587853     +0.16672437             
P   3.84           H   20.07          G   0.15           U   1                  
Residuals in seconds of arc
190204 C51  0.0   0.3+    190213 T08  0.2-  0.1-    190307 I52  0.4-  0.2-
190204 C51 (4.3-  0.7+)   190213 T08  0.0   0.3-    190307 I52  0.3-  0.0
190205 F51  0.0   0.1+    190215 K61  0.5+  0.3-    190307 I52  0.0   0.0
190205 F51  0.0   0.0     190215 K61  0.1+  0.1-    190307 D29  0.3+  0.1-
190205 F51  0.1-  0.1+    190215 K61  0.4+  0.1+    190307 D29  0.4-  0.1+
190205 T08  0.3-  0.1+    190215 K61  0.3+  0.1+    190310 I52  0.1-  0.2+
190205 F51  0.1+  0.0     190215 K61  0.1+  0.2+    190310 I52 (0.4+  1.0-)
190205 T08  0.2-  0.3-    190218 695  0.0   0.1-    190310 I52 (0.6+  0.8-)
190205 T08  0.0   0.1-    190218 695  0.1+  0.0     190317 H21  0.2+  0.1-
190205 T08  0.1-  0.1-    190218 695  0.2+  0.2-    190317 H21  0.2+  0.0
190206 J04  0.1+  0.1+    190223 C95  0.2+  0.0     190317 H21  0.3+  0.0
190206 J04  0.2-  0.1+    190223 C95  0.6+  0.1+    190317 807  0.3+  0.2+
190206 J04  0.8-  0.2+    190223 C95  0.3-  0.5-    190317 807  0.1+  0.0
190206 204  0.2-  0.2+    190225 807  0.0   0.1-    190317 807  0.1-  0.0
190206 204  0.3-  0.2+    190225 807  0.0   0.0     190317 I52  0.8-  0.0
190206 204  0.2-  0.2+    190225 807  0.0   0.0     190317 I52  0.2-  0.6-
190206 568  0.1+  0.0     190226 I52  0.2-  0.2-    190317 I52  0.5-  0.4+
190206 568  0.1-  0.0     190226 I52  0.2-  0.5-    190317 I52  0.4-  0.4-
190206 568  0.0   0.0     190226 I52  0.2-  0.0     190318 H21  0.1-  0.6-
190206 568  0.0   0.1-    190226 I52  0.1-  0.3-    190318 H21  0.3+  0.2-
190207 W88  0.2+  0.1+    190227 I47  0.2+  0.2+    190325 807  0.1-  0.2+
190207 W88  0.2+  0.0     190227 I47  0.0   0.2-    190325 807  0.3-  0.1+
190207 474  0.0   0.0     190227 I47  0.2-  0.1-    190325 807  0.3-  0.4-
190207 474  0.2+  0.0     190227 246  0.2+  0.7-    190325 I52  0.3-  0.2-
190207 474  0.1+  0.1-    190227 246  0.1+  0.6-    190325 I52  0.4+  0.2+
190207 474  0.2+  0.1+    190227 246  0.2-  0.4-    190325 I52  0.1+  0.4+
190209 I52  0.1+  0.1-    190227 246  0.5-  0.2-    190325 I52  0.2-  0.2-
190209 T08  0.5+  0.9+    190227 246  0.4+  0.3-    190325 291  0.2-  0.5-
190209 T08  0.3-  0.0     190227 246  0.1+  0.1+    190325 291  0.1+  0.2+
190209 T08  0.4+  0.0     190227 246  0.3+  0.1+    190325 291  0.0   0.3-
190209 T08  0.1-  0.1-    190227 246  0.6-  0.1-    190405 691  0.1+  0.3+
190209 T08  0.1-  0.8-    190301 I52  0.1+  0.2-    190405 691  0.2+  0.0
190209 T08  0.1-  0.1+    190301 I52  0.1+  0.1-    190405 691  0.1-  0.3-
190211 I52  0.1-  0.1-    190301 I52  0.1-  0.4-    190409 H21  0.6+  0.3-
190211 I52  0.0   0.0     190301 I52  0.1+  0.3+    190409 H21  0.6+  0.3-
190211 I52  0.2-  0.1-    190302 T08  0.7-  0.2-    190409 H21  0.5+  0.2-
190211 I52  0.2-  0.1-    190302 T08  0.2+  0.4+    190410 H21 (1.4-  0.5-)
190212 703  1.1+  0.6+    190302 T08  0.9+  0.6+    190410 H21  1.1-  0.1-
190212 703  0.3-  0.2-    190302 T08  0.1+  0.4-    190410 H21 (1.3-  0.5-)
190212 703  0.3-  0.3-    190304 I52  0.1+  0.1+    220609 F52  0.1-  0.2-
190212 703  0.4-  0.1-    190304 I52  0.1-  0.1+    220622 T14  0.0   0.0
190212 I52  0.1+  0.0     190304 I52  0.2-  0.5+    220622 T14  0.0   0.0
190212 I52  0.0   0.0     190304 I52  0.2+  0.5+    220622 T14  0.0   0.0
190212 I52  0.0   0.0     190306 I52  0.3-  0.1+    220622 T14  0.0   0.1-
190212 I52  0.2-  0.0     190306 I52  0.0   0.1-    220623 T14  0.0   0.0
190212 474  0.1+  0.3+    190306 I52  0.1-  0.3-    220623 T14  0.0   0.0
190212 474  0.1+  0.3+    190306 I52 (1.1+  0.2-)   220623 T14  0.0   0.0
190212 474  0.2-  0.2+    190306 691  0.2-  0.3+    220624 T14  0.0   0.0
190212 474  0.2+  0.1+    190306 691 (0.3+  0.9-)   220624 T14  0.0   0.0
190213 T08  0.3-  0.0     190306 691  0.2-  0.3-
190213 T08  0.0   0.2+    190307 I52  0.3-  0.2-

Ephemeris:
2019 CD2                 a,e,i = 2.45, 0.75, 7                   q = 0.6178
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 26    21 03 54.1 -19 48 57   1.5585  2.1510   111.8    25.9    23.9
...
2022 06 10    21 13 36.3 -18 55 30   1.2594  2.0087   123.7    24.9    23.2
...
2022 06 18    21 16 42.5 -18 31 01   1.1086  1.9298   130.5    23.6    22.8
...
2022 06 24    21 17 47.5 -18 14 58   1.0002  1.8691   135.9    22.2    22.5
2022 06 25    21 17 51.1 -18 12 30   0.9826  1.8589   136.8    22.0    22.4
2022 06 26    21 17 52.3 -18 10 06   0.9651  1.8486   137.8    21.7    22.4
...
2022 07 02    21 17 08.2 -17 57 06   0.8629  1.7862   143.6    19.7    22.0
...
2022 07 10    21 13 26.5 -17 43 14   0.7350  1.7010   152.0    16.3    21.4
...
2022 07 25    20 54 42.1 -17 23 03   0.5235  1.5346   170.5     6.3    20.1

A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-M72




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