[Iaude] MPEC M28: 2015 PS57 [a=1.82,e=0.32,i=13.6,H=21.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Jun 18 23:22:19 EDT 2020


M.P.E.C. 2020-M28                                 Issued 2020 June 19, 03:17 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 PS57                                    


                           Revision to MPEC 2015-P54                            

Additional Observations:
     K15P57S  C2020 06 15.58332321 55 07.292-16 28 44.11         21.67wUEM028F51
     K15P57S  C2020 06 15.59170321 55 08.222-16 28 21.85         21.92wUEM028F51
     K15P57S  C2020 06 15.60009421 55 09.142-16 27 59.28         21.86wUEM028F51
     K15P57S  C2020 06 16.57034421 57 03.415-15 44 36.45         21.80wUEM028F51
     K15P57S  C2020 06 16.57885021 57 04.310-15 44 13.08         21.40wUEM028F51
     K15P57S  C2020 06 16.59524521 57 06.093-15 43 28.72         21.45wUEM028F51
     K15P57S  C2020 06 17.56283221 58 57.696-14 59 31.07         21.22wUEM028F52
     K15P57S  C2020 06 17.57331821 58 58.800-14 59 02.39         21.08wUEM028F52
     K15P57S  C2020 06 17.58381621 58 59.897-14 58 33.94         21.88wUEM028F52
     K15P57S bC2020 06 19.05530222 01 45.03 -13 50 33.9          21.5 GVEM028L01
     K15P57S bC2020 06 19.05921422 01 45.42 -13 50 23.6          21.4 GVEM028L01
     K15P57S bC2020 06 19.06117022 01 45.65 -13 50 18.5          21.4 GVEM028L01

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, 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. Bulger, T. Dukes, T. Lowe, A.
    Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L.
    Denneau, J. Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 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
200615 F51 1.28+ 1.05+    200619 L01 1.34+ 1.06+    MPO344273   +0.83 days

Orbital elements:
2015 PS57                                                Earth MOID = 0.2346 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Pan
M 341.88041              (2000.0)            P               Q
n   0.40113304     Peri.   18.90535     +0.56048905     +0.79675304
a   1.8208623      Node   285.78933     -0.78686948     +0.42728371
e   0.3176616      Incl.   13.57813     -0.25824105     +0.42733269
P   2.46           H   21.5           G   0.15           U   3
Residuals in seconds of arc
150809 F51  0.1+  0.1-    150813 H01  0.2+  0.0     200616 F51  0.2-  0.1-
150809 F51  0.1-  0.1-    150813 H01  0.1+  0.1-    200616 F51  0.1+  0.0
150810 F51  0.2+  0.0     150813 H01  0.1+  0.0     200617 F52  0.3-  0.4+
150810 F51  0.1+  0.1+    150816 H21  0.2+  0.4+    200617 F52  0.3-  0.3+
150810 F51  0.3-  0.0     150816 H21  0.2+  0.4+    200617 F52  0.4-  0.0
150811 568  0.2-  0.0     150816 H21  0.0   0.1+    200619 L01  0.1+  0.0
150811 568  0.1-  0.1-    200615 F51  0.0   0.2+    200619 L01  0.2-  0.7-
150811 568  0.1-  0.0     200615 F51  0.1+  0.2+    200619 L01  0.2+  1.0-
150811 568  0.1-  0.1-    200615 F51  0.1+  0.4+
150813 H01  0.1+  0.1-    200616 F51  0.1+  0.5-

Ephemeris:
2015 PS57                a,e,i = 1.82, 0.32, 14                  q = 1.2424
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 20    20 50 04.5 -31 44 57   0.5632  1.3316   112.3    44.7    22.6
...
2020 06 04    21 29 39.0 -24 12 42   0.4689  1.2920   116.2    44.8    22.1
...
2020 06 12    21 47 46.2 -19 02 52   0.4272  1.2751   118.4    44.5    21.9
...
2020 06 18    21 59 46.8 -14 39 17   0.4001  1.2645   120.0    44.1    21.7
2020 06 19    22 01 38.3 -13 52 53   0.3960  1.2630   120.3    44.0    21.7
2020 06 20    22 03 27.4 -13 05 48   0.3920  1.2614   120.5    43.9    21.7
...
2020 06 26    22 13 27.3 -08 10 12   0.3701  1.2535   122.2    43.3    21.5
...
2020 07 04    22 24 17.5 -01 07 52   0.3473  1.2462   124.4    42.3    21.3
...
2020 07 19    22 36 14.5 +12 29 17   0.3245  1.2429   128.1    40.1    21.1

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-M28




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