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  • MPEC 2023-B156 : 2017 FR64

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    M.P.E.C. 2023-B156                             Issued 2023 January 28, 14:05 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
    
                                    2017 FR64                                
    
    
                               Revision to MPEC 2017-F106                           
    
    Additional Observations:
         K17F64R  C2015 02 23.59956214 32 35.396-04 57 48.45         22.93GVEB156F51
         K17F64R  C2015 02 23.61262214 32 37.352-04 58 02.81         23.76GVEB156F51
         K17F64R  C2015 02 23.62567214 32 39.228-04 58 16.84         23.29GVEB156F51
         K17F64R  C2015 02 23.63869714 32 41.160-04 58 31.50         23.12GVEB156F51
         K17F64R  C2015 02 24.58747414 35 08.938-05 15 49.16         22.91GVEB156F51
         K17F64R  C2015 02 24.61352414 35 12.758-05 16 17.45         22.78GVEB156F51
         K17F64R  C2019 01 07.57086309 45 30.868+28 51 16.06         22.82GVEB156F51
         K17F64R  C2019 01 07.59354909 45 31.559+28 51 27.14         22.64GVEB156F51
         K17F64R  C2019 01 07.60491709 45 31.898+28 51 33.01         23.47GVEB156F51
         K17F64R  C2021 01 12.43657907 39 31.943+37 02 17.20         22.35GVEB156F52
         K17F64R  C2021 01 15.41141507 34 46.948+37 28 50.81         22.42GVEB156F51
         K17F64R  C2021 01 15.42288407 34 45.676+37 28 57.11         22.84GVEB156F51
         K17F64R 0C2023 01 22.41221005 30 26.790+36 10 01.06         24.70GVEB156T12
    
    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 University of Hawaii 88-inch telescope, Maunakea.  Observer D. J. Tholen.
        2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
    
    First and last observations above in comparison with prediction:
    Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
    150223 F51 0.02+ 0.01+    230122 T12 0.05+ 0.01+    MPO477895   +0.00 days
    
    Orbital elements:
    2017 FR64                                                Earth MOID = 0.2087 AU
    Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
    M 327.59932              (2000.0)            P               Q                  
    n   0.48419165     Peri.  153.73819     -0.99663358     +0.07080663             
    a   1.6061688      Node    30.40918     -0.08189336     -0.88358564             
    e   0.2504602      Incl.    4.68320     +0.00387036     -0.46288534             
    P   2.04           H   23.20          G   0.15           U   1                  
    Residuals in seconds of arc
    150223 F51  0.3-  0.0     170324 691  0.6+  0.4-    170419 G96  0.2-  0.2+
    150223 F51  0.3+  0.0     170324 691  0.1-  0.4-    170419 G96  0.8+  0.6+
    150223 F51  0.3-  0.2+    170324 691  0.3+  0.5-    170420 F51  0.1-  0.2-
    150223 F51  0.1-  0.3-    170324 926  0.1+  0.1+    170420 F51  0.1-  0.1-
    150224 F51  0.0   0.3-    170324 926  0.2+  0.1-    170420 F51  0.2-  0.1+
    150224 F51  0.4+  0.0     170324 926  0.2+  0.1-    170425 474  0.3+  0.1+
    170204 F51  0.2-  0.1+    170327 G96  0.0   0.1+    170425 474  0.1-  0.1+
    170204 F51  0.1+  0.2-    170327 G96  0.2-  0.1-    170425 474  0.1-  0.3-
    170204 F51  0.2+  0.3+    170327 I52  0.1+  0.4-    170426 291  0.7-  0.2+
    170204 F51  0.2-  0.1+    170327 G96  0.0   0.2+    170426 291  0.3-  0.4-
    170224 F51  0.0   0.1+    170327 I52  0.3+  0.2-    170426 291  0.3+  0.3+
    170321 F51  0.1+  0.0     170327 G96  0.1-  0.1+    170503 H21  0.1+  0.2+
    170321 F51  0.1+  0.0     170327 I52  0.2-  0.1-    170503 H21  0.3-  0.1+
    170321 F51  0.0   0.1-    170327 I52  0.1+  0.2+    170503 H21  0.5-  0.4+
    170321 F51  0.0   0.1-    170329 F51  0.1-  0.1+    170504 807  0.5-  0.4+
    170321 F51  0.1+  0.1-    170329 F51  0.2-  0.0     170504 807  0.2+  0.2+
    170321 F51  0.1+  0.0     170329 F51  0.1-  0.0     170504 807  0.2+  0.2-
    170321 F51  0.0   0.1-    170329 F51  0.2-  0.0     190107 F51  0.3-  0.4+
    170321 F51  0.0   0.0     170403 G96  0.0   0.1+    190107 F51  0.1+  0.2-
    170322 I52  0.5+  0.4+    170403 G96  0.2+  0.1-    190107 F51  0.1+  0.0
    170322 I52  0.1-  0.1-    170403 G96  0.2-  0.2+    210112 F52  0.2+  0.2-
    170322 I52  0.2+  0.0     170403 G96  0.1+  0.0     210115 F51  0.0   0.2-
    170322 I52  0.1+  0.3-    170403 F51  0.1+  0.0     210115 F51  0.4-  0.3+
    170322 568  0.1+  0.0     170403 F51  0.2+  0.0     230122 T12  0.2+  0.0
    170322 568  0.0   0.0     170419 G96  0.1+  0.2+
    170322 568  0.0   0.0     170419 G96  0.4-  0.3+
    
    Ephemeris:
    2017 FR64                a,e,i = 1.61, 0.25, 5                   q = 1.2039
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2022 12 29    06 10 43.1 +35 39 26   0.5228  1.4973   166.9     8.6    23.3
    ...
    2023 01 13    05 43 01.0 +36 23 26   0.5026  1.4449   151.4    19.0    23.5
    ...
    2023 01 21    05 31 57.4 +36 13 32   0.5063  1.4174   141.9    25.4    23.6
    ...
    2023 01 27    05 26 40.3 +35 55 37   0.5142  1.3972   135.2    29.8    23.8
    2023 01 28    05 26 04.3 +35 52 02   0.5158  1.3939   134.1    30.5    23.8
    2023 01 29    05 25 33.2 +35 48 19   0.5176  1.3906   133.0    31.2    23.8
    ...
    2023 02 04    05 24 09.9 +35 23 52   0.5294  1.3709   127.0    35.1    23.9
    ...
    2023 02 12    05 26 46.2 +34 47 47   0.5481  1.3456   119.7    39.6    24.1
    ...
    2023 02 27    05 43 57.7 +33 34 20   0.5874  1.3017   108.5    46.2    24.4
    
    A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-B156
    


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