[Iaude] MPEC Y133: 2015 DZ53 [a=1.51,e=0.87,i=8.3,H=20.9]

Sat Dec 26 11:51:25 EST 2020

M.P.E.C. 2020-Y133                            Issued 2020 December 26, 16:50 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

                                   2015 DZ53                                    


                           Revision to MPEC 2015-D38                            

Additional Observations:
     K15D53Z  C2020 12 24.22065723 05 30.318+18 00 03.98         19.87GVEY133F51
     K15D53Z  C2020 12 26.12409123 51 05.10 +22 14 42.5          19.82GVEY133G96
     K15D53Z  C2020 12 26.12922223 51 11.82 +22 15 15.5          19.95GVEY133G96
     K15D53Z  C2020 12 26.13435123 51 18.45 +22 15 49.1          19.94GVEY133G96
     K15D53Z  C2020 12 26.13947923 51 25.24 +22 16 22.1          19.80GVEY133G96
     K15D53Z KC2020 12 26.19437823 52 37.14 +22 22 15.9          19.64GVEY133I52
     K15D53Z KC2020 12 26.19711923 52 40.71 +22 22 33.4          19.82GVEY133I52
     K15D53Z KC2020 12 26.19986223 52 44.29 +22 22 50.8          19.70GVEY133I52
     K15D53Z KC2020 12 26.24116123 53 38.29 +22 27 12.5          19.71GVEY133I52
     K15D53Z KC2020 12 26.24481323 53 43.04 +22 27 35.5          19.43GVEY133I52

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, 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.  Observer T. A. Pruyne.  Measurers 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, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    Measurers 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, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
201224 F51 4.22+ 4.17+    201226 I52 4.34+ 3.62+    MPO342309   +1.01 days

Orbital elements:
2015 DZ53                                                Earth MOID = 0.0641 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  16.63169              (2000.0)            P               Q
n   0.53009680     Peri.  250.77022     +0.60331680     +0.78820413
a   1.5120492      Node    56.93982     -0.66643588     +0.58191189
e   0.8702424      Incl.    8.33015     -0.43803202     +0.20028180
P   1.86           H   20.9           G   0.15           U   3
Residuals in seconds of arc
150217 F51  0.1-  0.2+    150220 H21  0.1+  0.1-    150308 204  0.1+  0.3+
150217 F51  0.1+  0.2+    150220 H21  0.5+  0.3-    150310 104  0.2+  0.0
150217 F51  0.0   0.0     150224 705  0.3+  0.2+    150310 104  0.9+  1.3-
150217 F51  0.0   0.0     150224 705  0.3-  0.1-    150310 104  0.6-  0.2-
150218 G96  0.0   0.1+    150224 705  0.5+  0.7+    201224 F51  0.0   0.1-
150218 G96  0.5-  0.1+    150224 H36  0.5+  0.0     201226 G96  0.1+  0.1+
150218 G96  0.1+  0.3+    150224 H36  0.4+  0.1-    201226 G96  0.0   0.3-
150218 G96  0.3-  0.6+    150224 H36  0.2+  0.1-    201226 G96  1.3-  0.1-
150218 G96  0.6-  0.7-    150301 711  1.4-  0.2-    201226 G96  0.3-  0.3-
150218 568  0.2-  0.2-    150301 711  1.2-  0.5-    201226 I52  0.5+  0.3+
150218 568  0.2-  0.2-    150301 711  1.0-  0.2-    201226 I52  0.3+  0.3+
150218 568  0.2-  0.3-    150306 926  0.4+  0.2+    201226 I52  0.2+  0.2+
150219 291  0.5+  0.0     150306 926  0.5+  0.0     201226 I52  0.6+  0.1+
150219 291  0.7+  0.1+    150306 926  0.7-  0.5+    201226 I52  0.3+  0.1+
150219 291  0.3+  0.3+    150308 204  0.1-  0.1-
150220 H21  0.0   0.4-    150308 204  0.2-  0.1-

Ephemeris:
2015 DZ53                a,e,i = 1.51, 0.87, 8                   q = 0.1962
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 26    17 03 08.3 -24 06 45   0.6396  0.3924    13.2   144.9    25.5
...
2020 12 11    18 30 02.8 -17 16 19   0.2746  0.7306    19.0   153.9    26.7
...
2020 12 19    20 46 04.6 +00 15 56   0.1661  0.8845    49.3   122.6    21.8
...
2020 12 25    23 24 59.1 +19 55 56   0.1770  0.9905    87.1    82.6    20.0
2020 12 26    23 48 20.0 +22 01 02   0.1872  1.0075    92.0    77.3    20.0
2020 12 27    00 09 39.4 +23 41 41   0.1991  1.0243    96.2    72.6    20.0
...
2021 01 02    01 38 47.4 +28 21 05   0.2926  1.1213   110.9    55.0    20.5
...
2021 01 10    02 37 08.3 +29 26 42   0.4436  1.2419   115.7    45.5    21.3
...
2021 01 25    03 28 43.2 +29 28 19   0.7539  1.4455   111.8    39.2    22.6

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-Y133