[Iaude] MPEC P20: 2018 AM13 [a=1.44,e=0.37,i=19.9,H=22.13]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu Aug 1 17:10:54 EDT 2024


M.P.E.C. 2024-P20                                Issued 2024 August 1, 21:09 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

                                   2018 AM13                                    


                           Revision to MPEC 2018-B58                            

Additional Observations:
     K18A13M  C2024 07 01.51579122 26 56.634-04 08 53.77         23.07GVEP020F52
     K18A13M  C2024 07 01.52766922 26 58.370-04 09 03.71         22.81GVEP020F52
     K18A13M  C2024 07 01.53953022 27 00.049-04 09 13.86         23.15GVEP020F52
     K18A13M  C2024 07 09.54937622 48 55.482-06 33 22.98         21.73GVEP020F51
     K18A13M  C2024 07 09.56121122 48 57.559-06 33 39.10         22.82GVEP020F51
     K18A13M  C2024 07 09.58489722 49 01.613-06 34 10.98         22.40GVEP020F51
     K18A13M  C2024 08 01.57651700 31 47.975-22 58 04.58         21.14wXEP020F51
     K18A13M  C2024 08 01.58683200 31 51.980-22 58 44.60         21.13wXEP020F51
     K18A13M  C2024 08 01.59713100 31 56.005-22 59 24.93         21.25wXEP020F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240701 F52 1.14+ 0.01+    240801 F51 2.38+ 0.71+    MPO438049   +0.70 days

Orbital elements:
2018 AM13                                                Earth MOID = 0.1384 AU
Epoch 2024 Oct. 17.0 TT = JDT 2460600.5                 MPC                     
M   0.31858              (2000.0)            P               Q                  
n   0.56756348     Peri.  278.13687     +0.69583750     -0.66005379             
a   1.4447513      Node   123.70529     +0.71595296     +0.66865269             
e   0.3712375      Incl.   19.89457     -0.05675853     +0.34239241             
P   1.74           H   22.13          G   0.15           U   1                  
Residuals in seconds of arc
180115 G96  0.3+  0.5-    180119 033  0.1+  0.2+    180128 691 (1.9-  0.5-)
180115 G96  0.1+  0.4+    180119 033  0.2+  0.1+    180204 I52  0.4+  0.1+
180115 G96  0.3-  0.8+    180119 033  0.2+  0.4-    180204 I52  0.7+  0.7-
180115 G96  0.3-  0.5+    180119 204  0.2+  0.3-    180204 I52  0.2+  0.6+
180115 I52  0.1+  0.1-    180119 204  0.2-  0.3-    180204 I52  0.2-  0.2-
180115 I52  0.3-  0.1-    180119 691  0.2-  0.3+    180205 I52  0.2-  0.3-
180115 I52  0.0   0.0     180119 691  0.5+  0.7+    180205 I52  0.2-  0.2-
180115 I52  0.3-  0.3-    180119 691  0.6+  0.7+    180205 I52  0.1+  0.2-
180115 I52  0.1+  0.1-    180122 I52  0.1-  0.2-    180205 I52  0.3-  0.0
180115 I52  0.2-  0.1-    180122 I52  0.5+  0.4+    180207 291  0.6-  0.2+
180115 I52  0.0   0.2-    180122 I52  0.0   0.1-    180207 291  0.2-  0.0
180115 I52  0.2+  0.2+    180122 I52  0.1-  0.1+    180207 291  0.7-  0.1-
180116 G96  0.0   0.5-    180123 703  0.9-  0.7-    180208 291  0.3-  0.1-
180116 G96  0.1-  0.2-    180123 703  0.8+  0.5-    180208 291  0.2-  0.0
180116 G96  0.5+  0.0     180123 703  0.5-  0.4-    180208 291  0.3-  0.0
180118 I52  0.1-  0.1+    180123 G96  0.2+  0.1-    180209 G96  1.0+  0.5+
180118 I52  0.2+  0.3+    180123 G96  0.2+  0.2+    180209 G96  0.2+  0.0
180118 I52  0.6+  0.4-    180123 G96  0.1+  0.2-    180209 G96  0.3+  0.2+
180118 I52  0.2-  0.1-    180123 G96  0.3-  0.0     180209 G96  0.2+  0.1+
180118 033  0.1-  0.3+    180125 I52  0.1-  0.1-    240701 F52  0.3+  0.4+
180118 033  0.4-  0.6+    180125 I52  0.0   0.2-    240701 F52  0.5+  0.3+
180119 J95  0.2+  0.0     180125 I52  0.1-  0.1+    240701 F52  0.1-  0.0
180119 J95  0.0   0.1-    180125 I52  0.2+  0.3+    240709 F51  0.4-  0.3-
180119 J95  0.1-  0.5-    180127 691  0.5-  0.1+    240709 F51  0.2+  0.3-
180119 204  0.6+  0.1-    180127 691  0.6-  0.0     240709 F51  0.1-  0.3+
180119 204  0.4+  0.0     180127 691  0.6-  0.0     240801 F51  0.1+  0.1-
180119 204  0.5+  0.1-    180128 691  1.3-  0.1-    240801 F51  0.1-  0.1+
180119 033  0.0   0.1-    180128 691 (2.1-  0.1-)   240801 F51  0.0   0.1-

Ephemeris:
2018 AM13                a,e,i = 1.44, 0.37, 20                  q = 0.9084
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 07 02    22 28 09.4 -04 15 32   0.5124  1.3650   123.0    38.7    22.9
...
2024 07 17    23 13 42.9 -10 03 38   0.3680  1.2803   129.0    38.1    22.0
...
2024 07 25    23 47 58.3 -15 39 19   0.3056  1.2345   130.0    39.1    21.6
...
2024 07 31    00 21 31.0 -21 17 22   0.2682  1.2003   128.4    41.5    21.3
2024 08 01    00 27 57.3 -22 20 29   0.2630  1.1946   127.9    42.1    21.3
2024 08 02    00 34 40.0 -23 25 15   0.2580  1.1889   127.3    42.8    21.2
...
2024 08 08    01 21 14.5 -30 14 42   0.2349  1.1551   121.8    48.3    21.1
...
2024 08 16    02 40 32.0 -38 33 52   0.2236  1.1110   110.6    58.6    21.2
...
2024 08 31    05 20 16.7 -43 38 50   0.2547  1.0341    88.4    77.4    21.9

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-P20





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