[Iaude] MPEC Y112: 2013 JM14 [a=1.89,e=0.51,i=8.1,H=21.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 24 10:01:18 EST 2020


M.P.E.C. 2020-Y112                            Issued 2020 December 24, 15:00 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

                                   2013 JM14                                    


                           Revision to MPEC 2013-J37                            

Additional Observations:
     K13J14M  C2020 12 22.64841714 02 31.574-07 06 57.39         23.79GVEY112T14
     K13J14M  C2020 12 22.65031914 02 32.123-07 06 59.41         23.69GVEY112T14
     K13J14M  C2020 12 22.65222314 02 32.672-07 07 01.45         23.57GVEY112T14
     K13J14M  C2020 12 23.64583414 07 21.396-07 24 31.30         23.86GVEY112T14
     K13J14M  C2020 12 23.64774114 07 21.940-07 24 33.29         23.48GVEY112T14
     K13J14M  C2020 12 23.64964814 07 22.492-07 24 35.33         23.62GVEY112T14
     K13J14M  C2020 12 23.65164214 07 23.061-07 24 37.40         23.73GVEY112T14
     K13J14M  C2020 12 23.65356814 07 23.611-07 24 39.49         23.55GVEY112T14

Observer details:
T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer L. Wells.  Measurer D.
    J. Tholen.  3.6-m f/4.1 reflector + MegaCam.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
201222 T14 0.33- 0.10-    201223 T14 0.33- 0.09-    MPO473277   -0.53 days

Orbital elements:
2013 JM14                                           PHA, Earth MOID = 0.0205 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 355.28428              (2000.0)            P               Q
n   0.37818427     Peri.   44.31291     -0.89102135     -0.43404853
a   1.8937984      Node   109.53248     +0.36735761     -0.86150268
e   0.5108647      Incl.    8.11131     +0.26670084     -0.26346727
P   2.61           H   21.6           G   0.15           U   2
Residuals in seconds of arc
130504 F51  0.2+  0.1+    130511 291  0.1-  0.2+    130529 291  0.7-  0.5-
130504 F51  0.2+  0.0     130512 J95  0.3-  0.5+    130606 291  0.0   0.1+
130508 F51  0.1+  0.0     130512 J95  0.4+  0.4+    130606 291  0.1+  0.2-
130508 F51  0.1+  0.0     130512 J95  0.6-  0.4-    130610 695  0.1+  0.1-
130509 G96  0.4-  0.1-    130513 H21  0.3-  0.5-    130610 695  0.1+  0.1+
130509 G96  0.3-  0.1+    130513 H21  0.0   0.5-    130610 695  0.1+  0.0
130509 G96  0.4-  0.0     130513 H21  0.1-  0.4-    130611 291  0.2+  0.0
130509 G96  0.3-  0.2-    130513 H21  0.4-  0.1+    130611 291  0.3+  0.4+
130509 G96  0.1-  0.1+    130513 H21  0.1+  0.5-    130611 291  0.4+  0.4+
130509 G96  0.1-  0.1+    130513 H21  0.3+  0.2-    130612 291  0.1+  0.3+
130509 G96  0.1-  0.1+    130513 H21  0.0   0.0     130612 291  0.5+  0.1-
130509 G96  0.1-  0.1+    130513 H21  0.0   0.1+    130612 291  0.0   0.3+
130509 I93  0.7+  0.3-    130513 H21  0.1+  0.2+    130612 695  0.2-  0.0
130509 I93  0.1+  0.5-    130515 H21  0.1+  0.1+    130612 695  0.3-  0.4-
130509 I93  0.2+  0.1+    130515 H21  0.1-  0.4-    130612 695  0.1-  0.5-
130510 H36  0.2+  0.1+    130515 H21  0.1+  0.0     201222 T14  0.0   0.0
130510 H36  0.3+  0.4-    130519 291  0.1-  0.3-    201222 T14  0.0   0.0
130510 H36  0.1-  0.2-    130519 291  0.3+  0.0     201222 T14  0.0   0.0
130510 G96  0.4-  0.1+    130519 291  0.1+  0.1-    201223 T14  0.0   0.0
130510 G96  0.0   0.2+    130521 291  0.0   0.1+    201223 T14  0.0   0.0
130510 G96  0.1-  0.1-    130521 291  0.2-  0.0     201223 T14  0.0   0.0
130510 G96  0.2-  0.1-    130521 291  0.1-  0.2+    201223 T14  0.0   0.0
130510 F51  0.0   0.1-    130529 291  1.1+  0.5+    201223 T14  0.0   0.0
130511 291  0.0   0.1+    130529 291  0.1-  0.4+

Ephemeris:
2013 JM14                a,e,i = 1.89, 0.51, 8                   q = 0.9263
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 24    11 33 20.5 +02 46 11   0.8056  1.0276    69.1    63.8    23.5
...
2020 12 09    12 53 27.7 -02 39 42   0.8158  0.9621    63.8    66.7    23.4
...
2020 12 17    13 34 34.5 -05 21 58   0.8398  0.9399    61.4    66.9    23.4
...
2020 12 23    14 04 13.3 -07 13 06   0.8643  0.9300    60.0    66.4    23.5
2020 12 24    14 09 03.2 -07 30 36   0.8689  0.9290    59.8    66.2    23.5
2020 12 25    14 13 51.1 -07 47 48   0.8735  0.9281    59.6    66.1    23.5
...
2020 12 31    14 41 57.5 -09 24 26   0.9032  0.9265    58.6    65.0    23.5
...
2021 01 08    15 17 33.9 -11 15 13   0.9462  0.9343    57.9    63.1    23.6
...
2021 01 23    16 18 29.2 -13 47 12   1.0281  0.9770    58.0    58.7    23.7

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-Y112




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