[Iaude] MPEC J83: 2017 FD65 [a=1.50,e=0.25,i=10.0,H=22.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 15 11:01:32 EDT 2020


M.P.E.C. 2020-J83                                  Issued 2020 May 15, 15:00 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

                                   2017 FD65                                    


                           Revision to MPEC 2017-F118                           

Additional Observations:
     K17F65D KC2019 09 26.46231700 28 50.636+04 02 48.09         23.36GVEJ083T12
     K17F65D KC2019 09 27.51234300 27 25.269+03 39 53.41         23.42GVEJ083T12

Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observers D. J. Tholen, D. 
   Hung, M.-T. Hui, D. Fohring.  Measurer D. J. Tholen.  2.24-m f/10.1 
   reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190926 T12  8.8+  2.1+    190927 T12  8.8+  2.1+    MPO419559   +0.00 days

Orbital elements:
2017 FD65                                                Earth MOID = 0.1687 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 227.58107              (2000.0)            P               Q
n   0.53487118     Peri.   55.96381     -0.46002594     +0.88767077
a   1.5030378      Node   186.74300     -0.86115197     -0.45164835
e   0.2522387      Incl.   10.01259     -0.21631788     -0.08974622
P   1.84           H   22.6           G   0.15           U   1
Residuals in seconds of arc
170322 F51  0.2+  0.1+    170415 G96  0.6-  0.1+    170522 F51  0.0   0.1-
170322 F51  0.2+  0.2-    170415 926  0.0   0.0     170611 H21  0.7+  0.4+
170322 F51  0.0   0.4-    170415 926  0.0   0.1-    170611 H21  1.0+  0.4+
170322 F51  0.0   0.0     170415 926  0.2-  0.1-    170611 H21  0.8+  0.1+
170323 807  0.3-  0.2-    170416 691  0.5-  0.5-    170612 H21  0.1-  0.3+
170323 807  0.2-  0.2-    170416 691  0.3-  0.0     170612 H21  0.0   0.2+
170323 807  0.2-  0.2-    170416 691  0.2-  0.3-    170612 H21  0.2+  0.4+
170323 926  0.0   0.2-    170417 G96  0.3+  0.4-    170613 H21  0.2-  0.2-
170323 926  0.5+  0.5-    170417 G96  0.2+  0.2+    170613 H21  0.0   0.2-
170323 568  0.1-  0.1-    170417 G96  0.5+  0.0     170613 H21  0.3+  0.2+
170323 568  0.1-  0.1-    170417 G96  0.2-  0.4-    170704 H21  0.1+  0.4+
170323 568  0.1-  0.1-    170422 703  1.1-  0.3+    170704 H21  0.1-  0.3+
170324 291  0.1+  0.3+    170422 703  0.4-  0.5+    170704 H21  0.4+  0.1+
170324 291  0.2-  0.2+    170422 703  0.6-  0.8-    170715 H21  0.3-  0.2+
170324 291  0.5-  0.1+    170426 291  0.1+  0.2+    170715 H21  0.1-  0.2+
170327 I52  0.0   0.2-    170426 291  0.2+  0.0     170715 H21  0.3-  0.1-
170327 I52  0.2-  0.2+    170426 291  0.5+  0.1+    170715 H21  0.0   0.5-
170327 I52  0.1-  0.3-    170503 I52  0.4-  0.2+    170717 H21  0.2+  0.3-
170327 F51  0.1+  0.1+    170503 I52  0.4-  0.4-    170717 H21  0.6+  0.0
170327 F51  0.1+  0.1+    170503 I52  0.1-  0.2-    170717 H21  0.5+  0.2-
170327 F51  0.1+  0.0     170503 I52  0.0   1.0-    170718 H21  0.1+  0.3-
170403 I52  0.1+  0.1-    170503 G96  0.1+  0.1-    170718 H21  0.3+  0.2-
170403 I52  0.0   0.2-    170503 G96  0.1-  0.1-    170718 H21  0.2+  0.2-
170403 I52  0.1-  0.2-    170503 G96  0.1-  0.2-    170719 H21  0.2+  0.5-
170403 I52  0.3+  0.0     170503 G96  0.1-  0.2-    170719 H21  0.1+  0.4-
170406 691  0.5-  0.2+    170513 705  0.3+  0.3+    170720 H21  0.1-  0.1+
170406 691  0.3-  0.2+    170513 705  0.3-  0.2-    170720 H21  0.2+  0.3-
170406 691  0.4-  0.4+    170513 705  0.4-  0.2-    170720 H21  0.0   0.4+
170407 H21  0.5+  2.7+    170520 G96  0.3-  0.2-    170726 H21  0.5-  0.5+
170407 H21  0.6+  2.6+    170520 G96  0.4-  0.1-    170726 H21  0.9-  0.1+
170407 H21  0.6+  2.9+    170520 G96  1.3+  0.1+    170726 H21  0.5-  0.5+
170415 G96  0.3-  0.3+    170520 G96  0.1+  0.6-    190926 T12  0.0   0.1+
170415 G96  0.5+  0.2-    170522 F51  0.2-  0.1-    190927 T12  0.0   0.0
170415 G96  0.3+  0.3+    170522 F51  0.1-  0.0

Ephemeris:
2017 FD65                a,e,i = 1.50, 0.25, 10                  q = 1.1239
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 04 15    03 53 11.6 +13 22 06   2.6025  1.8628    34.4    17.7    27.0
...
2020 04 30    04 25 54.5 +14 55 17   2.6741  1.8469    28.1    14.9    26.9
...
2020 05 08    04 43 51.0 +15 35 27   2.7031  1.8365    24.8    13.3    26.9
...
2020 05 14    04 57 31.3 +16 00 50   2.7207  1.8279    22.5    12.2    26.8
2020 05 15    04 59 49.1 +16 04 40   2.7233  1.8264    22.1    12.0    26.8
2020 05 16    05 02 07.2 +16 08 22   2.7258  1.8249    21.7    11.8    26.8
...
2020 05 22    05 16 02.0 +16 28 00   2.7387  1.8153    19.4    10.7    26.8
...
2020 05 30    05 34 50.9 +16 47 06   2.7504  1.8013    16.5     9.2    26.7
...
2020 06 14    06 10 51.4 +16 59 51   2.7558  1.7717    11.4     6.5    26.5

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-J83




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