[Iaude] MPEC L23: 2018 LD1 [a=1.86,e=0.51,i=0.4,H=26.2]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Jun 7 12:23:18 EDT 2018


M.P.E.C. 2018-L23                                Issued 2018 June 7, 16:19 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


                                   2018 LD1
 
Observations:
     K18L01D* C2018 06 05.34064 15 43 49.000-22 07 00.25         20.7 wUEL023F51
     K18L01D  C2018 06 05.35292 15 43 48.718-22 07 17.87               UEL023F51
     K18L01D  C2018 06 05.36518 15 43 48.407-22 07 35.45         21.0 wUEL023F51
     K18L01D  C2018 06 05.37747 15 43 48.068-22 07 52.64         20.9 wUEL023F51
     K18L01D  C2018 06 06.21990 15 44 24.56 -22 29 35.2          22.0 GUEL023I52
     K18L01D  C2018 06 06.22238 15 44 24.54 -22 29 39.2          20.5 GUEL023I52
     K18L01D  C2018 06 06.22487 15 44 24.54 -22 29 43.5          20.6 GUEL023I52
     K18L01D ^C2018 06 06.35494615 44 30.539-22 33 01.80         20.74GVEL023568
     K18L01D ^C2018 06 06.35589215 44 30.517-22 33 03.48         20.67GVEL023568
     K18L01D ^C2018 06 06.35687215 44 30.495-22 33 05.24         20.66GVEL023568
     K18L01D |C2018 06 07.18621 15 45 11.69 -22 57 10.5          20.2 GUEL023807
     K18L01D |C2018 06 07.19130 15 45 11.68 -22 57 20.9          20.4 GUEL023807
     K18L01D HC2018 06 07.28513 15 45 19.05 -23 03 39.9          20.8 RoEL023691
     K18L01D HC2018 06 07.30340 15 45 18.97 -23 04 17.9          20.9 RoEL023691
     K18L01D  C2018 06 07.31433 15 45 18.76 -23 04 41.9          19.9 GUEL023I52
     K18L01D HC2018 06 07.32172 15 45 18.88 -23 04 55.6          20.5 RoEL023691
     K18L01D  C2018 06 07.32241 15 45 18.71 -23 04 58.9          20.6 GUEL023I52
     K18L01D  C2018 06 07.32340 15 45 18.73 -23 05 00.6          20.5 GUEL023I52
 
Observer details:
568 Mauna Kea.  Observers R. Wainscoat, C. Wipper, A. Petric.  Measurers
    R. Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak.  Observer A. F. Tubbiolo.  0.9-m f/3
    reflector + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz,
    M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
    M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat, C. Waters, R. Weryk.
    1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls,
    H. Groeller.  Measurers B. M. Africano, E. J. Christensen, D. C. Fuls,
    A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski, S. M. Larson,
    G. J. Leonard, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
 
Orbital elements:
2018 LD1                                                 Earth MOID = 0.0032 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 313.58157              (2000.0)            P               Q
n   0.38777710     Peri.  257.23609     +0.64379810     +0.76517991
a   1.8624356      Node    52.84062     -0.69966151     +0.59122575
e   0.5119467      Incl.    0.35006     -0.30983507     +0.25485648
P   2.54           H   26.2           G   0.15           U   5
Residuals in seconds of arc
180605 F51  0.2-  0.1-    180606 I52  0.4+  0.2+    180607 691  0.1+  0.3-
180605 F51  0.1+  0.0     180606 568  0.0   0.0     180607 691  0.5+  0.3+
180605 F51  0.2+  0.0     180606 568  0.0   0.0     180607 I52  0.0   0.3-
180605 F51  0.0   0.1+    180606 568  0.0   0.0     180607 691  0.1+  0.6+
180606 I52  0.3-  0.2-    180607 807  0.4-  0.0     180607 I52  0.5-  0.7-
180606 I52  0.1-  0.1+    180607 807  0.0   0.2-    180607 I52  0.2-  0.3-

Ephemeris:
2018 LD1                 a,e,i = 1.86, 0.51, 0                   q = 0.9090
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 05 08    15 42 40.7 -19 36 04   0.2641  1.2696   169.2     8.6    24.4
...
2018 05 23    15 42 16.4 -20 05 43   0.1488  1.1609   176.3     3.2    22.7
...
2018 05 31    15 42 11.3 -20 49 22   0.09421 1.1063   168.8    10.3    21.9
...
2018 06 06    15 44 12.3 -22 21 26   0.05519 1.0678   163.7    15.5    20.9
2018 06 07    15 45 03.3 -22 51 09   0.04880 1.0616   163.0    16.3    20.6
2018 06 08    15 46 13.4 -23 29 47   0.04244 1.0555   162.3    17.0    20.4
...
2018 06 14    17 36 13.3 -55 49 40   0.0058511.0206   147.4    32.5    16.5
...
2018 06 22    03 29 12.9 +14 35 41   0.04645 0.9795    36.9   141.5    26.5
...
2018 07 07    03 42 25.5 +18 11 20   0.1435  0.9250    47.1   126.4    27.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-L23



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