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  • MPEC 2023-N69 : 2015 NZ22

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    M.P.E.C. 2023-N69                                 Issued 2023 July 14, 14:06 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@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2015 NZ22                                
    
    
                               Revision to MPEC 2015-O16                            
    
    Additional Observations:
         K15N22Z  C2023 06 22.49661920 52 34.413-03 14 10.11         22.19GVEN069F52
         K15N22Z  C2023 06 22.49789120 52 34.466-03 14 07.11         21.99GVEN069F52
         K15N22Z  C2023 06 22.50878020 52 35.083-03 13 44.90         22.33GVEN069F52
         K15N22Z  C2023 06 22.51974020 52 35.695-03 13 21.55         21.38GVEN069F52
         K15N22Z  C2023 06 22.52935820 52 36.241-03 13 01.34         22.15GVEN069F52
         K15N22Z  C2023 06 25.54383120 55 51.083-01 19 59.61         22.26GVEN069F52
         K15N22Z  C2023 06 25.55612020 55 51.794-01 19 29.59         21.85GVEN069F52
         K15N22Z  C2023 06 25.58071020 55 53.177-01 18 30.50         23.48GVEN069F52
         K15N22Z  C2023 06 26.57988420 56 59.261-00 37 06.31         22.29GVEN069F51
         K15N22Z  C2023 07 12.42388021 20 48.925+18 36 39.63         20.88wXEN069F52
         K15N22Z  C2023 07 12.43537021 20 50.383+18 38 05.89         20.94wXEN069F52
         K15N22Z  C2023 07 12.43600221 20 50.447+18 38 10.20         21.10wXEN069F52
         K15N22Z  C2023 07 12.44746821 20 51.906+18 39 35.49         20.84wXEN069F52
         K15N22Z  C2023 07 12.45950521 20 53.401+18 41 05.60         21.01wXEN069F52
         K15N22Z  C2023 07 12.46013721 20 53.477+18 41 10.58         21.25wXEN069F52
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, P.
        Minguez, 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, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
        Fairlamb, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers,
        T. de Boer, J. Bulger, H. Gao, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez,
        A. Schultz, I. Smith.  1.8-m Ritchey-Chretien + CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
    230622 F52   15+    4+    230712 F52   32+   14+    MPO344164   +6.40 days
    
    Orbital elements:
    2015 NZ22                                                Earth MOID = 0.1024 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 231.94550              (2000.0)            P               Q                  
    n   0.62007933     Peri.  162.73196     +0.70227032     -0.70486792             
    a   1.3619815      Node   242.52368     +0.63915084     +0.68605278             
    e   0.5674567      Incl.    6.46451     +0.31353245     +0.18025760             
    P   1.59           H   22.62          G   0.15           U   2                  
    Residuals in seconds of arc
    150712 F51  0.4-  0.1-    150717 954  0.0   0.2-    230625 F52  0.4+  0.2+
    150712 F51  0.5-  0.1+    150717 954  0.1-  0.3-    230625 F52  0.3+  0.3-
    150712 F51  0.3+  0.3-    150717 954  0.3-  0.7-    230626 F51  0.0   0.0
    150714 568  0.1+  0.1-    230622 F52  0.0   0.2+    230712 F52  0.0   0.3+
    150714 568  0.0   0.2-    230622 F52  0.3-  0.5+    230712 F52  0.1+  0.8+
    150714 568  0.0   0.1-    230622 F52  0.2-  0.0     230712 F52  0.1-  0.4+
    150716 H21  0.1+  0.0     230622 F52  0.1-  0.4+    230712 F52  0.2+  0.1+
    150716 H21  0.1+  0.2+    230622 F52  0.1+  0.5+    230712 F52  0.1+  0.3+
    150716 H21  0.2+  0.1+    230625 F52  0.1+  0.1-    230712 F52  0.0   0.6+
    
    Ephemeris:
    2015 NZ22                a,e,i = 1.36, 0.57, 6                   q = 0.5891
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2023 06 14    20 43 34.7 -07 22 58   0.5114  1.4016   130.3    33.6    23.3
    ...
    2023 06 29    20 59 44.4 +01 12 47   0.3292  1.2740   136.0    33.7    22.1
    ...
    2023 07 07    21 10 23.5 +09 33 17   0.2436  1.2014   135.0    36.7    21.4
    ...
    2023 07 13    21 22 11.3 +19 49 31   0.1869  1.1449   129.6    43.2    20.9
    2023 07 14    21 24 49.4 +22 04 46   0.1784  1.1353   128.1    44.8    20.9
    2023 07 15    21 27 45.7 +24 32 01   0.1702  1.1257   126.3    46.7    20.8
    ...
    2023 07 21    21 57 30.7 +44 23 52   0.1309  1.0672   109.6    63.8    20.6
    ...
    2023 07 29    02 05 06.9 +76 00 02   0.1210  0.9872    73.2   100.1    21.6
    ...
    2023 08 13    08 07 38.8 +44 57 03   0.2282  0.8355    34.6   136.5    25.4
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-N69
    


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