[Iaude] MPEC B01: 2017 LU [a=2.63,e=0.60,i=9.9,H=18.6,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Jan 15 23:33:17 EST 2019


M.P.E.C. 2019-B01                                Issued 2019 Jan. 16, 04:29 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 LU
 
                           Revision to MPEC 2017-L68
 
Additional Observations:
     K17L00U  C2019 01 11.44921107 27 01.050+26 16 16.39         24.32GVEB001T12
     K17L00U  C2019 01 11.46095607 27 00.324+26 16 16.99         24.13GVEB001T12
     K17L00U  C2019 01 12.43177307 26 00.836+26 17 08.43         24.47GVEB001T12
     K17L00U  C2019 01 12.44348907 26 00.101+26 17 09.00         24.27GVEB001T12
     K17L00U  C2019 01 12.45503207 25 59.386+26 17 09.60         24.23GVEB001T12
 
Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer 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
190111 T12  0.1-  0.4+    190112 T12  0.0   0.4+    MPO435133   +0.00004 day
 
Orbital elements:
2017 LU                                             PHA, Earth MOID = 0.0350 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5                 MPC
M 152.91741              (2000.0)            P               Q
n   0.23059331     Peri.  357.65345     +0.59103431     +0.79528375
a   2.6337320      Node   308.54290     -0.73724593     +0.46470381
e   0.6012388      Incl.    9.93292     -0.32733299     +0.38932523
P   4.27           H   18.6           G   0.15           U   1
Residuals in seconds of arc
170608 C51  0.1+  0.2+    170624 291  0.1+  0.0     170823 D29  0.2+  0.2+
170608 C51  0.0   0.2+    170624 291  0.3+  0.0     170823 D29  0.0   0.0
170609 C51  0.1-  0.6+    170626 291  0.2+  0.2+    170823 D29  0.1+  0.1-
170609 C51  0.1+  0.1-    170626 291  0.5+  0.4+    170904 695  0.1-  0.3+
170609 C51  0.2-  0.0     170626 291  0.3+  0.3+    170904 695  0.0   0.2+
170609 C51  0.4+  0.3-    170628 703  0.5-  0.3-    170904 695  0.0   0.2+
170609 C51  0.3+  0.6-    170628 703  0.4+  0.2-    170915 754  0.2+  0.2-
170609 C51  0.6-  0.0     170628 703  0.9+  1.0+    170915 754  0.1-  0.3-
170609 C51 (5.8-  3.3-)   170702 691  1.0-  0.1+    170915 754  0.2-  0.2-
170609 C51  0.3-  0.1-    170702 691  0.5-  0.1+    171002 G96  0.0   0.0
170609 C51  0.4-  0.1-    170702 691  0.4-  0.2+    171002 G96  0.2-  0.1-
170609 C51  0.1+  0.1+    170703 691  0.9-  0.6+    171002 G96  0.1-  0.1-
170610 C51  0.3+  0.1-    170703 691  0.1-  0.5+    171002 G96  0.3+  0.1-
170610 C51  0.2+  0.1-    170703 691  0.6-  0.8+    171010 G96  0.0   0.0
170610 C51  0.1+  0.1+    170723 G40  0.0   0.0     171010 G96  0.2-  0.3+
170610 C51  0.4+  0.4-    170723 G40  0.1-  0.0     171010 G96  0.2-  0.1-
170610 H01  0.1+  0.0     170724 G40  0.1+  0.5+    171010 G96  0.2-  0.0
170610 H01  0.1-  0.0     170724 G40  0.0   0.0     171011 151  0.3+  0.8-
170610 C51  0.1-  0.1+    170809 C51  1.2-  0.4+    171011 151  0.5+  0.5-
170610 C51  0.5+  0.4+    170809 C51  0.3-  0.6+    171011 151  0.8+  0.8-
170610 C51  0.6-  0.0     170809 C51  0.1-  0.1-    171022 H15  1.0-  0.8+
170610 C51  0.4+  0.2+    170809 C51  0.8-  0.5+    171022 H15  0.4+  0.0
170610 C51  0.2+  0.1+    170810 C51  0.1-  0.2-    171022 H15  0.5-  0.7+
170610 C51  0.2+  0.1+    170810 C51  0.9-  0.2-    171025 703  1.1+  0.1-
170611 C51  0.4+  0.2-    170810 C51  0.1+  0.5-    171025 703  0.8+  0.3-
170613 K93  0.1+  0.1+    170810 C51  0.8+  0.0     171025 703  1.0-  0.1+
170613 K93  0.1-  0.4-    170810 C51  0.7+  0.3-    171025 703  0.1-  0.3-
170613 K93  0.2+  0.2-    170810 C51  0.4-  0.5+    171028 F51  0.0   0.0
170614 291  0.1+  0.2+    170810 C51  1.1+  0.1-    171028 F51  0.0   0.1-
170614 926  0.1+  0.3+    170810 C51  1.5-  0.2-    171028 F51  0.1-  0.0
170614 291  0.1+  0.1+    170810 C51  0.2-  0.2+    171028 F51  0.0   0.1-
170614 926  0.0   0.4-    170810 C51  0.3+  0.3+    171029 G96  0.0   0.0
170614 926  0.1-  0.4+    170810 C51  0.1-  0.0     171029 G96  0.1+  0.1-
170614 291  0.1-  0.1+    170810 C51  0.1+  0.1+    171029 G96  0.0   0.1+
170615 G96  0.4+  0.0     170810 C51  0.9-  0.4-    171029 G96  0.1-  0.1-
170615 G96  0.1+  0.1+    170811 C51  1.5+  0.1-    171112 G96  0.4-  0.1+
170615 G96  0.3+  0.1+    170811 C51  0.0   0.3+    171112 G96  0.0   0.3-
170615 G96  0.0   0.1-    170811 C51  0.1-  0.5+    171112 G96  0.2-  0.1+
170621 J04  0.0   0.0     170812 291  0.5+  0.1-    171112 G96  0.0   0.1-
170621 J04  0.1+  0.0     170812 291  0.9+  0.3+    171213 H21  0.3-  0.5+
170621 J04  0.1+  0.0     170812 291  1.0+  0.1+    171213 H21  0.6-  0.7+
170621 291  0.1-  0.1+    170815 C51  0.2-  0.6-    171213 H21  0.4-  0.4+
170621 291  0.3-  0.4+    170815 C51  1.5-  0.3+    171219 H21  0.1+  0.2-
170621 291  0.0   0.2+    170815 C51  0.6-  1.2-    171219 H21  0.3-  0.5-
170621 I52  0.0   0.1+    170815 C51  1.1+  1.1-    171219 H21  0.1+  0.3-
170621 I52  0.6+  0.4-    170815 C51  1.2+  0.4+    190111 T12  0.1-  0.1+
170621 I52  0.1+  0.2-    170815 C51  1.0+  0.3+    190111 T12  0.1+  0.0
170621 I52  0.1+  0.3-    170815 C51  0.5-  0.1-    190112 T12  0.0   0.1+
170622 J04  0.1+  0.1+    170815 C51  0.2+  0.3-    190112 T12  0.0   0.0
170622 J04  0.1+  0.0     170815 C51  0.2+  0.6+    190112 T12  0.1+  0.1+
170622 J04  0.0   0.1+    170816 C51  0.1-  0.3-
170624 291  0.6+  0.1+    170816 C51  0.1-  0.3-

Ephemeris:
2017 LU                  a,e,i = 2.63, 0.60, 10                  q = 1.0502
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 12 17    07 51 27.7 +25 39 39   3.0240  3.9033   149.4     7.4    24.5
...
2019 01 01    07 37 39.0 +26 03 58   2.9753  3.9406   167.3     3.1    24.3
...
2019 01 09    07 29 31.6 +26 13 52   2.9787  3.9595   175.3     1.2    24.1
...
2019 01 15    07 23 24.3 +26 19 08   2.9952  3.9732   173.0     1.7    24.2
2019 01 16    07 22 23.7 +26 19 49   2.9991  3.9755   172.0     2.0    24.2
2019 01 17    07 21 23.6 +26 20 26   3.0034  3.9777   170.9     2.2    24.2
...
2019 01 23    07 15 31.7 +26 22 54   3.0357  3.9909   164.0     3.9    24.4
...
2019 01 31    07 08 18.5 +26 22 55   3.0964  4.0079   154.5     6.1    24.5
...
2019 02 15    06 57 32.7 +26 14 05   3.2586  4.0379   137.0     9.6    24.8

                       (Last issue was M.P.E.C. 2019-A259)

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-B01



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