[Iaude] MPEC D81: 2018 DZ1 [a=0.98,e=0.10,i=11.4,H=24.9]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Feb 27 10:17:16 EST 2018


M.P.E.C. 2018-D81                                Issued 2018 Feb. 27, 15:13 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 DZ1
 
Observations:
     K18D01Z* C2018 02 25.26895 12 10 58.28 +17 41 21.6          20.4 GUED081G96
     K18D01Z  C2018 02 25.27412 12 10 58.07 +17 42 06.0          20.9 GUED081G96
     K18D01Z  C2018 02 25.27930 12 10 57.88 +17 42 48.7          20.6 GUED081G96
     K18D01Z  C2018 02 25.28447 12 10 57.73 +17 43 32.6          20.4 GUED081G96
     K18D01Z  C2018 02 25.42000 12 10 51.79 +18 02 33.9          20.3 GUED081I52
     K18D01Z  C2018 02 25.42165 12 10 51.73 +18 02 47.6          20.0 GUED081I52
     K18D01Z  C2018 02 25.42386 12 10 51.68 +18 03 06.2          20.3 GUED081I52
     K18D01Z  C2018 02 25.53317 12 10 47.37 +18 18 14.4          21.2 GUED081G96
     K18D01Z  C2018 02 25.53357 12 10 47.36 +18 18 16.1          20.6 GUED081G96
     K18D01Z  C2018 02 25.53512 12 10 47.25 +18 18 30.8          21.5 GUED081G96
     K18D01Z  C2018 02 25.53599 12 10 47.34 +18 18 36.7          21.0 GUED081G96
     K18D01Z  C2018 02 25.92903 12 10 50.74 +19 13 12.3          20.8 VSED081033
     K18D01Z  C2018 02 25.93104 12 10 50.67 +19 13 29.5          20.9 VSED081033
     K18D01Z  C2018 02 25.93307 12 10 50.62 +19 13 46.6          21.0 VSED081033
     K18D01Z  C2018 02 25.93508 12 10 50.55 +19 14 03.8          20.9 VSED081033
     K18D01Z  C2018 02 25.93711 12 10 50.50 +19 14 20.6          21.0 VSED081033
     K18D01Z  C2018 02 25.93912 12 10 50.43 +19 14 37.5          20.9 VSED081033
     K18D01Z  C2018 02 25.94115 12 10 50.38 +19 14 54.9          21.2 VSED081033
     K18D01Z  C2018 02 25.94316 12 10 50.26 +19 15 11.6          21.1 VSED081033
     K18D01Z |C2018 02 26.26637 12 10 44.03 +20 02 32.6          20.5 GUED081807
     K18D01Z  C2018 02 26.27187 12 10 47.58 +20 01 36.8          19.7 GUED081G96
     K18D01Z |C2018 02 26.27246 12 10 43.72 +20 03 23.6          20.6 GUED081807
     K18D01Z  C2018 02 26.27710 12 10 47.32 +20 02 21.4          20.9 GUED081G96
     K18D01Z |C2018 02 26.27854 12 10 43.41 +20 04 14.5          20.7 GUED081807
     K18D01Z  C2018 02 26.28758 12 10 46.84 +20 03 50.5          20.9 GUED081G96
     K18D01Z  C2018 02 26.28824 12 10 46.83 +20 03 55.5          20.1 GUED081I52
     K18D01Z  C2018 02 26.29075 12 10 46.69 +20 04 16.6          21.2 GUED081I52
     K18D01Z  C2018 02 26.29572 12 10 46.48 +20 04 59.2          20.5 GUED081I52
     K18D01Z  C2018 02 27.39162 12 10 26.34 +22 38 00.1          20.9 GUED081I52
     K18D01Z  C2018 02 27.39410 12 10 26.20 +22 38 20.8          20.6 GUED081I52
 
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.  1.00-m f/10.0 astrograph
    + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer 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 DZ1                                                 Earth MOID = 0.0817 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 203.72173              (2000.0)            P               Q
n   1.01820426     Peri.  189.34485     +0.93836141     +0.33193380
a   0.9785419      Node   150.69308     -0.30304846     +0.92420875
e   0.0957004      Incl.   11.36111     -0.16625128     +0.18883362
P   0.97           H   24.9           G   0.15           U   7
Residuals in seconds of arc
180225 G96  0.1+  0.1+    180225 G96  0.7+  0.2-    180226 G96  0.9+  0.1+
180225 G96  0.2-  0.6+    180225 033  0.1-  0.1+    180226 807  0.0   0.2-
180225 G96  0.2-  0.6-    180225 033  0.2-  0.3+    180226 G96  0.3+  0.2+
180225 G96  0.4+  0.6-    180225 033  0.0   0.2+    180226 807  0.0   0.2-
180225 I52  0.5-  0.1-    180225 033  0.0   0.4+    180226 G96  0.2-  0.3+
180225 I52  0.3-  0.2-    180225 033  0.2+  0.0     180226 I52  0.1+  0.3-
180225 I52  0.4+  0.0     180225 033  0.2+  0.1-    180226 I52  0.3-  0.5-
180225 G96  0.1-  0.8+    180225 033  0.4+  0.1+    180226 I52  0.2-  0.1-
180225 G96  0.0   0.8-    180225 033  0.3-  0.3-    180227 I52  0.1-  0.0
180225 G96  0.9-  1.1+    180226 807  0.1+  0.1-    180227 I52  0.2-  0.1+

Ephemeris:
2018 DZ1                 a,e,i = 0.98, 0.10, 11                  q = 0.8849
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 28    11 50 21.4 -24 57 36   0.1498  1.0606   116.7    56.0    22.9
...
2018 02 12    12 06 46.7 -09 06 39   0.1083  1.0691   137.2    38.9    21.8
...
2018 02 20    12 10 41.1 +05 47 33   0.09406 1.0714   150.3    27.2    21.1
...
2018 02 26    12 10 47.1 +19 23 57   0.09011 1.0721   154.6    23.3    20.9
2018 02 27    12 10 33.4 +21 43 38   0.09009 1.0722   154.3    23.6    20.9
2018 02 28    12 10 15.4 +24 02 35   0.09026 1.0722   153.7    24.1    21.0
...
2018 03 06    12 06 55.4 +37 07 23   0.09487 1.0717   145.7    31.4    21.3
...
2018 03 14    11 58 31.6 +50 40 21   0.1087  1.0697   131.8    43.9    21.9
...
2018 03 29    11 37 21.2 +64 00 38   0.1457  1.0617   112.1    60.6    23.0

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D81



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