[Iaude] MPEC T252: 2014 JS57 [a=1.30,e=0.13,i=20.0,H=22.35]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Oct 15 09:07:45 EDT 2023


M.P.E.C. 2023-T252                             Issued 2023 October 15, 13:06 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

                                   2014 JS57                                    


                           Revision to MPEC 2014-J113                           

Additional Observations:
     K14J57S  C2020 10 09.25814822 51 17.746+32 30 49.63         22.58GVET252F51
     K14J57S  C2020 10 09.27080922 51 17.883+32 30 12.39         22.82GVET252F51
     K14J57S  C2020 10 09.28356722 51 18.028+32 29 34.83         22.46GVET252F51
     K14J57S  C2020 10 15.36618622 54 06.963+27 27 38.27         22.25GVET252F52
     K14J57S  C2020 10 15.37904122 54 07.338+27 27 00.44         21.81GVET252F52
     K14J57S  C2020 10 15.39191122 54 07.682+27 26 21.46         22.87GVET252F52
     K14J57S  C2020 11 10.32013323 22 48.247+09 44 08.74         22.83GVET252F51
     K14J57S  C2020 11 10.34251623 22 50.138+09 43 28.43         23.43GVET252F51
     K14J57S  C2023 10 15.30087100 45 44.860+33 02 38.00         22.81GVET252V00
     K14J57S  C2023 10 15.30637000 45 44.442+33 02 22.16         22.08GVET252V00
     K14J57S  C2023 10 15.31187400 45 44.050+33 02 06.43         21.80GVET252V00
     K14J57S  C2023 10 15.31737700 45 43.654+33 01 50.09         22.13GVET252V00
     K14J57S KC2023 10 15.34138 00 45 41.84 +33 00 41.2          22.4 RoET252291
     K14J57S KC2023 10 15.35109 00 45 41.19 +33 00 13.1          22.2 RoET252291
     K14J57S KC2023 10 15.36084 00 45 40.49 +32 59 45.1          22.5 RoET252291

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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. Bulger, 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.
V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, C. E.
    Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
    Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
    Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
201009 F51 0.21+ 0.07+    231015 291 0.33+ 0.03+    E2023-P78   +0.17 days

Orbital elements:
2014 JS57                                                Earth MOID = 0.1386 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  97.71645              (2000.0)            P               Q                  
n   0.66511211     Peri.   26.41671     -0.35840492     +0.90307397             
a   1.2997889      Node   223.71756     -0.90564762     -0.39785948             
e   0.1252889      Incl.   20.02459     -0.22660164     +0.16175673             
P   1.48           H   22.35          G   0.15           U   1                  
Residuals in seconds of arc
140510 F51  0.1+  0.0     140518 H21  0.0   0.1+    140730 H21  1.4+  0.3-
140510 F51  0.0   0.1+    140519 H21  0.1-  0.5-    140730 H21  0.4+  0.5+
140510 F51  0.3+  0.2+    140519 H21  0.2+  0.2-    140730 H21  0.3-  1.1+
140510 F51  0.0   0.6-    140519 H21  0.2+  0.0     140731 H21  0.3+  0.2+
140512 G96  0.0   0.1+    140520 291  0.1+  0.1+    140731 H21  0.1-  0.6+
140512 G96  0.2+  0.0     140520 291  0.3+  0.3-    140731 H21  0.3+  0.5-
140512 G96  0.4-  0.7-    140524 H21  0.4+  0.1-    201009 F51  0.2-  0.2-
140512 G96  0.1+  0.2+    140524 H21  0.1+  0.0     201009 F51  0.1-  0.1-
140513 204  0.8-  0.1+    140524 H21  0.1-  0.1-    201009 F51  0.0   0.1-
140514 J95  0.5-  0.4-    140528 H21  0.0   0.3-    201015 F52  0.1-  0.0
140514 204  0.8+  0.4-    140528 H21  0.3-  0.3-    201015 F52  0.1+  0.4+
140514 J95  0.9+  0.1-    140528 H21  0.0   0.3-    201015 F52  0.3-  0.3-
140514 J95  0.3-  0.7+    140601 H21  0.2-  0.1+    201110 F51  0.1-  0.1+
140514 J95  0.0   0.9+    140601 H21  0.0   0.1+    201110 F51  0.2+  0.0
140515 J95  1.2+  0.5+    140601 H21  0.1+  0.2-    231015 V00  0.1+  0.0
140515 J95  0.4-  0.6-    140625 H21  0.3-  0.2-    231015 V00  0.0   0.0
140518 291  0.0   0.6+    140625 H21  0.0   0.1+    231015 V00  0.1+  0.2+
140518 291  0.1-  0.0     140625 H21  0.4-  0.0     231015 V00  0.2+  0.3-
140518 291  0.4-  0.4+    140722 H21  0.5+  0.3-    231015 291  0.5-  0.2+
140518 H21  0.3-  0.1+    140722 H21  0.4-  0.4+    231015 291  0.3+  0.3+
140518 H21  0.3-  0.2+    140722 H21  1.2-  0.8-    231015 291  0.3+  0.7+

Ephemeris:
2014 JS57                a,e,i = 1.30, 0.13, 20                  q = 1.1369
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 15    01 19 37.7 +48 43 55   0.5015  1.3445   122.7    39.0    23.0
...
2023 09 30    01 04 37.0 +43 19 05   0.4498  1.3699   138.1    29.2    22.6
...
2023 10 08    00 54 24.6 +38 29 41   0.4324  1.3825   147.1    23.1    22.3
...
2023 10 14    00 47 11.1 +34 04 26   0.4266  1.3915   153.0    19.0    22.2
2023 10 15    00 46 04.7 +33 17 04   0.4263  1.3929   153.9    18.4    22.2
2023 10 16    00 45 00.4 +32 28 59   0.4263  1.3944   154.6    17.8    22.1
...
2023 10 22    00 39 27.6 +27 30 19   0.4306  1.4027   157.4    15.8    22.1
...
2023 10 30    00 34 49.3 +20 49 45   0.4490  1.4132   155.1    17.2    22.3
...
2023 11 14    00 35 00.7 +10 09 50   0.5200  1.4303   140.7    26.0    22.9

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-T252




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