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  • MPEC 2022-M94 : 2015 OM21

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    M.P.E.C. 2022-M94                                 Issued 2022 June 28, 14:06 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2015 OM21                                
    
    
                               Revision to MPEC 2015-O31                            
    
    Additional Observations:
         K15O21M  C2015 06 20.40612218 35 20.572-35 41 27.90         19.55GVEM094F51
         K15O21M  C2015 06 22.45869318 45 35.176-34 51 55.42         19.61GVEM094F51
         K15O21M  C2015 06 22.46859418 45 38.008-34 51 39.26         19.35GVEM094F51
         K15O21M  C2015 06 22.47849818 45 40.807-34 51 23.28         19.44GVEM094F51
         K15O21M  C2015 06 22.48840318 45 43.631-34 51 06.93         19.47GVEM094F51
         K15O21M  C2015 07 26.62114622 42 51.522+10 27 00.20         20.04GVEM094F51
         K15O21M  C2015 08 28.36926800 03 42.217+26 33 03.09         21.38GVEM094F51
         K15O21M  C2015 08 28.38134900 03 42.435+26 33 04.92         21.15GVEM094F51
         K15O21M  C2015 08 28.39241600 03 42.621+26 33 06.59         21.51GVEM094F51
         K15O21M  C2015 08 28.40351400 03 42.799+26 33 08.18         21.17GVEM094F51
         K15O21M  C2015 08 29.40684400 04 12.064+26 33 52.98         21.12GVEM094F51
         K15O21M  C2015 08 29.41912500 04 12.220+26 33 54.04         20.18GVEM094F51
         K15O21M  C2015 08 29.43262200 04 12.337+26 33 54.85         21.10GVEM094F51
         K15O21M  C2015 08 30.40798900 04 37.318+26 33 40.24         21.41GVEM094F51
         K15O21M  C2015 08 30.42024700 04 37.422+26 33 40.52         21.22GVEM094F51
         K15O21M  C2015 08 30.43302500 04 37.505+26 33 40.56         21.05GVEM094F51
         K15O21M  C2015 08 30.44528900 04 37.586+26 33 40.61         21.19GVEM094F51
         K15O21M  C2022 05 27.56241720 51 39.479-26 22 31.43         22.21GVEM094F52
         K15O21M  C2022 05 27.58544920 51 47.032-26 21 49.06         21.35GVEM094F52
         K15O21M  C2022 05 27.59695520 51 50.794-26 21 27.70         21.59GVEM094F52
         K15O21M  C2022 06 26.56314123 36 44.727-02 09 48.15         22.16GVEM094T14
         K15O21M  C2022 06 26.56412023 36 44.997-02 09 44.99         22.26GVEM094T14
         K15O21M  C2022 06 26.56510623 36 45.275-02 09 41.75         22.41GVEM094T14
         K15O21M KC2022 06 27.59198823 41 37.182-01 14 01.11         22.54GVEM094T12
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber, Y.
        Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
        Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
        Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    T14 Mauna Kea-UH/Tholen NEO Follow-Up (CFHT).  Observer L. Wells.  Measurer D.
        J. Tholen.  3.6-m f/4.1 reflector + 1024 x 2306 pixels Megacam.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    150620 F51 0.00+ 0.00+    220627 T12 0.42+ 0.26+    MPO357220   -0.24 days
    
    Orbital elements:
    2015 OM21                                                Earth MOID = 0.0777 AU
    Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
    M   8.08649              (2000.0)            P               Q                  
    n   0.28316747     Peri.   16.74989     +0.57083505     +0.81675053             
    a   2.2967152      Node   288.13353     -0.76308894     +0.48995266             
    e   0.5254133      Incl.    5.07456     -0.30305546     +0.30473755             
    P   3.48           H   22.54          G   0.15           U   0                  
    Residuals in seconds of arc
    150620 F51  0.1+  0.1+    150721 H36  0.1+  0.1+    150813 H21  0.0   0.2+
    150622 F51  0.1-  0.1-    150721 H36  0.0   0.0     150813 H21  0.1+  0.1-
    150622 F51  0.1+  0.1+    150721 H36  0.5+  0.1-    150813 H21  0.2+  0.1+
    150622 F51  0.1-  0.0     150721 H36  0.2+  0.0     150813 H21  0.1+  0.1+
    150622 F51  0.0   0.1+    150721 474  0.0   0.2-    150813 H21  0.3+  0.0
    150719 F51  0.3+  0.3+    150721 474  0.1+  0.2-    150813 H21  0.1+  0.0
    150719 F51  0.0   0.1-    150721 474  0.2+  0.2-    150813 H21  0.1+  0.1+
    150719 F51  0.1+  0.1-    150721 474  0.0   0.2-    150817 H21  0.1-  0.1+
    150720 H21  0.2-  0.2-    150722 W87  0.2-  0.2-    150817 H21  0.0   0.2+
    150720 H21  0.1-  0.1-    150722 W87  0.2-  0.3-    150817 H21  0.2-  0.1+
    150720 H21  0.4-  0.0     150722 W87  0.1-  0.2+    150817 H21  0.2+  0.1-
    150720 H21  0.2-  0.2-    150723 807  0.2+  0.3+    150818 H21  0.1+  0.3+
    150720 H21  0.2-  0.1-    150723 807  0.0   0.1+    150818 H21  0.4-  0.6+
    150720 568  0.1-  0.2-    150723 807  0.2+  0.1+    150818 H21  0.4-  0.5+
    150720 568  0.1-  0.2-    150723 204  0.1+  0.0     150824 H21  0.3-  0.6+
    150720 568  0.1-  0.2-    150723 204  0.0   0.2-    150824 H21  0.1+  0.2+
    150720 D90  0.1-  0.1-    150723 204  0.1+  0.0     150824 H21  0.3-  0.2+
    150720 D90  0.3+  0.1+    150724 H21  0.3-  0.0     150828 F51  0.1+  0.0
    150720 D90  0.1+  0.4+    150724 H21  0.2-  0.1-    150828 F51  0.1+  0.0
    150720 Q64  0.1+  0.1+    150724 H21  0.2-  0.1-    150828 F51  0.1+  0.1-
    150720 Q64  0.3+  0.1-    150724 H21  0.2-  0.0     150828 F51  0.1+  0.1-
    150720 Q64  0.1+  0.2-    150724 H21  0.4-  0.1+    150829 F51  0.1+  0.0
    150720 Q64  0.2+  0.0     150724 H21  0.2-  0.0     150829 F51  0.4+  0.1+
    150720 Q64  0.2+  0.0     150724 H21  0.4-  0.0     150829 F51  0.1+  0.0
    150720 595  0.4-  0.4-    150724 H21  0.4-  0.1+    150830 F51  0.2-  0.0
    150720 104  0.6-  0.3-    150724 H21  0.3-  0.1-    150830 F51  0.0   0.0
    150720 104  0.2-  0.1-    150724 H21  0.3-  0.2+    150830 F51  0.0   0.0
    150720 104  0.1+  0.4-    150724 H21  0.5-  0.2+    150830 F51  0.1+  0.1+
    150720 595  0.0   0.7-    150724 H21  0.6-  0.1+    150906 291  0.1-  0.1+
    150720 J95  0.0   0.3-    150725 H21  0.0   0.1+    150906 291  0.0   0.0
    150720 J95  0.2-  0.0     150725 H21  0.2+  0.2-    150906 291  0.0   0.1-
    150720 958  0.6+  0.7+    150725 H21  0.0   0.0     151005 H21  0.5-  0.0
    150720 J95  0.1-  0.2+    150725 H21  0.2-  0.0     151005 H21  0.5-  0.1-
    150720 958  0.5+  0.8+    150725 H21  0.1-  0.0     151005 H21  0.4-  0.1-
    150720 I93  0.0   0.3-    150725 H21  0.1+  0.2+    151007 H21  0.5-  0.2-
    150720 I93  0.1+  0.2-    150725 H21  0.2+  0.1+    151007 H21  0.5-  0.1-
    150720 958  0.8+  0.8+    150725 H21  0.2+  0.1-    151007 H21  0.6-  0.3-
    150720 I93  0.1-  0.1-    150725 H21  0.2+  0.1-    151010 H21  0.3-  0.1-
    150720 L04  0.2-  0.3-    150726 F51  0.0   0.1-    151010 H21  0.3-  0.0
    150721 C47  0.2-  0.2-    150807 H21  0.2-  0.3+    151010 H21  0.5-  0.2-
    150721 L04  0.3+  0.5-    150807 H21  0.0   0.3+    220527 F52  0.4-  0.1+
    150721 C47  0.2-  0.3-    150807 H21  0.1-  0.2+    220527 F52  0.1-  0.1+
    150721 C47  0.1+  0.1-    150807 705  0.1+  0.1+    220527 F52  0.0   0.1+
    150721 C47  0.1-  0.2-    150807 705  0.4-  0.3-    220626 T14  0.0   0.0
    150721 C47  0.3-  0.3-    150807 705  0.4-  0.2-    220626 T14  0.0   0.0
    150721 Y00  1.1-  0.7+    150808 711  0.3+  0.1-    220626 T14  0.1+  0.0
    150721 Y00  0.2-  0.3+    150808 711  0.1+  0.1-    220627 T12  0.1+  0.0
    150721 Y00  1.2-  0.4-    150808 711  0.1+  0.2-
    
    Ephemeris:
    2015 OM21                a,e,i = 2.30, 0.53, 5                   q = 1.0900
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 05 29    20 59 46.0 -25 36 04   0.3357  1.2035   117.0    48.6    22.4
    ...
    2022 06 13    22 25 42.3 -14 37 39   0.2872  1.1410   108.8    57.4    22.2
    ...
    2022 06 21    23 08 59.7 -07 18 13   0.2796  1.1168   103.9    62.0    22.2
    ...
    2022 06 27    23 38 48.3 -01 45 54   0.2811  1.1035   100.6    64.9    22.3
    2022 06 28    23 43 31.0 -00 51 55   0.2819  1.1017   100.1    65.3    22.3
    2022 06 29    23 48 09.0 +00 01 27   0.2828  1.1000    99.7    65.7    22.3
    ...
    2022 07 05    00 14 19.9 +05 05 59   0.2908  1.0927    97.4    67.3    22.4
    ...
    2022 07 13    00 44 59.2 +11 01 09   0.3065  1.0901    95.6    68.1    22.6
    ...
    2022 07 28    01 30 19.1 +19 24 59   0.3425  1.1077    96.5    65.6    22.8
    
    A. U. Tomatic                (C) Copyright 2022 MPC           M.P.E.C. 2022-M94
    


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