[Iaude] MPEC D66: 2018 DL1 [a=2.50,e=0.63,i=9.6,H=24.4]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Sun Feb 25 11:39:17 EST 2018


M.P.E.C. 2018-D66                                Issued 2018 Feb. 25, 16:36 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 DL1
 
Observations:
     K18D01L* C2018 02 23.30491 11 40 07.70 +01 04 04.5          20.7 GUED066G96
     K18D01L  C2018 02 23.31008 11 40 08.37 +01 04 37.2          20.4 GUED066G96
     K18D01L  C2018 02 23.31522 11 40 09.03 +01 05 08.8          20.4 GUED066G96
     K18D01L  C2018 02 23.32036 11 40 09.64 +01 05 40.2          20.0 GUED066G96
     K18D01L  C2018 02 23.35212411 40 13.38 +01 08 52.8          20.3 GUED066H01
     K18D01L  C2018 02 23.35803611 40 14.14 +01 09 28.7          20.2 GUED066H01
     K18D01L  C2018 02 23.36531111 40 15.06 +01 10 13.2          20.1 GUED066H01
     K18D01L  C2018 02 23.37760511 40 16.58 +01 11 28.2          20.1 GUED066H01
     K18D01L  C2018 02 23.47077 11 40 28.67 +01 20 55.8          21.2 GUED066I52
     K18D01L  C2018 02 23.47153 11 40 28.72 +01 20 59.7          20.9 GUED066I52
     K18D01L  C2018 02 23.47229 11 40 28.82 +01 21 04.8          20.6 GUED066I52
     K18D01L  C2018 02 23.95244 11 41 44.14 +02 07 45.4          20.5 VSED066033
     K18D01L  C2018 02 23.95685 11 41 44.70 +02 08 10.7          20.3 VSED066033
     K18D01L  C2018 02 23.95956 11 41 45.03 +02 08 26.2          20.6 VSED066033
     K18D01L  C2018 02 23.96227 11 41 45.37 +02 08 41.9          20.4 VSED066033
     K18D01L  C2018 02 23.96499 11 41 45.72 +02 08 57.5          21.0 VSED066033
     K18D01L |C2018 02 24.17459 11 42 16.21 +02 30 21.7          20.6 VuED066807
     K18D01L |C2018 02 24.18042 11 42 16.88 +02 30 54.6          20.8 VuED066807
     K18D01L |C2018 02 24.18605 11 42 17.50 +02 31 25.9          20.9 VuED066807
     K18D01L  C2018 02 25.13858 11 44 17.74 +03 53 45.2          20.6 VSED066033
     K18D01L  C2018 02 25.14176 11 44 18.07 +03 54 00.9          20.2 VSED066033
     K18D01L  C2018 02 25.14493 11 44 18.39 +03 54 17.3          20.4 VSED066033
     K18D01L  C2018 02 25.14810 11 44 18.76 +03 54 32.9          20.4 VSED066033
     K18D01L  C2018 02 25.15128 11 44 19.10 +03 54 48.3          20.4 VSED066033
     K18D01L  C2018 02 25.15446 11 44 19.44 +03 55 04.6          20.6 VSED066033
     K18D01L  C2018 02 25.33114 11 44 43.98 +04 10 02.0          21.2 GUED066I52
     K18D01L  C2018 02 25.33238 11 44 44.09 +04 10 08.7          21.4 GUED066I52
     K18D01L  C2018 02 25.33362 11 44 44.24 +04 10 14.3          20.9 GUED066I52
     K18D01L  C2018 02 25.33487 11 44 44.35 +04 10 20.3          20.6 GUED066I52
 
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers U. Laux,
    B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer J. A. Johnson.  Measurers 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. G. Matheny, R. L. Seaman, F. C. Shelly.
    1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers D. C. Fuls,
    R. A. Kowalski.  Measurers 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. G. Matheny, R. L. Seaman, F. C. Shelly.  1.0-m reflector + CCD.
 
Orbital elements:
2018 DL1                                                 Earth MOID = 0.0491 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  16.94680              (2000.0)            P               Q
n   0.24877820     Peri.  308.88619     -0.27629422     -0.95882424
a   2.5037704      Node   156.89602     +0.92546801     -0.28387300
e   0.6261819      Incl.    9.63971     +0.25917265     -0.00849707
P   3.96           H   24.4           G   0.15           U   5
Residuals in seconds of arc
180223 G96  0.1+  0.5-    180223 I52  0.4-  0.3+    180225 033  0.1+  0.1-
180223 G96  0.2+  0.4+    180223 033  0.1-  0.1-    180225 033  0.2-  0.4+
180223 G96  0.3+  0.4+    180223 033  0.1+  0.1-    180225 033  0.2+  0.1+
180223 G96  0.4-  0.2+    180223 033  0.0   0.1-    180225 033  0.2+  0.4-
180223 H01  0.1-  0.0     180223 033  0.1+  0.1+    180225 033  0.1+  0.0
180223 H01  0.1+  0.3-    180223 033  0.3+  0.2+    180225 I52  0.4-  0.1-
180223 H01  0.2+  0.2-    180224 807  0.2+  0.4-    180225 I52  0.5-  0.5+
180223 H01  0.2-  0.3-    180224 807  0.4+  0.0     180225 I52  0.0   0.1-
180223 I52  0.3+  0.5+    180224 807  0.1+  0.1-    180225 I52  0.1-  0.2-
180223 I52  0.4-  0.2-    180225 033  0.3+  0.1+

Ephemeris:
2018 DL1                 a,e,i = 2.50, 0.63, 10                  q = 0.9360
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 26    01 51 37.5 -50 08 32   0.1094  0.9512    69.2   104.6    23.4
...
2018 02 10    09 28 23.4 -51 00 39   0.05157 1.0092   114.5    62.9    20.2
...
2018 02 18    11 19 27.5 -11 32 52   0.07549 1.0545   150.2    27.8    20.1
...
2018 02 24    11 41 49.3 +02 13 13   0.1098  1.0935   160.1    17.9    20.7
2018 02 25    11 44 02.5 +03 42 56   0.1161  1.1003   161.1    16.9    20.8
2018 02 26    11 45 59.6 +05 03 29   0.1226  1.1073   162.0    16.0    20.9
...
2018 03 04    11 53 41.9 +10 48 18   0.1637  1.1508   165.6    12.4    21.5
...
2018 03 12    11 57 58.8 +14 52 01   0.2243  1.2127   166.4    11.1    22.3
...
2018 03 27    12 00 15.4 +17 31 10   0.3561  1.3369   159.4    15.2    23.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D66



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