[Iaude] MPEC D75: 2018 DS1 [a=1.46,e=0.50,i=6.7,H=25.0]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Tue Feb 27 09:47:16 EST 2018


M.P.E.C. 2018-D75                                Issued 2018 Feb. 27, 14:43 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 DS1
 
Observations:
     K18D01S* C2018 02 23.37665 12 54 40.09 +05 20 29.1          21.0 GUED075G96
     K18D01S  C2018 02 23.38180 12 54 43.37 +05 19 58.8          20.4 GUED075G96
     K18D01S  C2018 02 23.38693 12 54 46.65 +05 19 28.3          21.8 GUED075G96
     K18D01S  C2018 02 23.39206 12 54 49.83 +05 18 58.2          21.2 GUED075G96
     K18D01S  C2018 02 23.48888 12 55 51.54 +05 09 25.3          20.5 GUED075I52
     K18D01S  C2018 02 23.49552 12 55 55.83 +05 08 45.4          20.5 GUED075I52
     K18D01S  C2018 02 23.49883 12 55 57.96 +05 08 25.4          20.6 GUED075I52
     K18D01S  C2018 02 25.37857 13 21 44.03 +01 18 52.9          20.7 GUED075G96
     K18D01S  C2018 02 25.37932 13 21 44.70 +01 18 46.0          21.8 GUED075G96
     K18D01S  C2018 02 25.38077 13 21 46.09 +01 18 33.1          20.4 GUED075G96
     K18D01S  C2018 02 25.38152 13 21 46.80 +01 18 27.3          20.8 GUED075G96
     K18D01S  C2018 02 26.17007 13 35 48.22 -00 49 52.3          20.8 VSED075033
     K18D01S  C2018 02 26.17522 13 35 54.12 -00 50 47.6          21.1 VSED075033
     K18D01S  C2018 02 26.17741 13 35 56.56 -00 51 10.3          21.0 VSED075033
     K18D01S  C2018 02 26.50571 13 42 34.48 -01 50 45.5          20.3 GUED075I52
     K18D01S  C2018 02 26.50715 13 42 36.24 -01 51 03.8          20.4 GUED075I52
     K18D01S  C2018 02 26.50860 13 42 37.97 -01 51 20.1          19.7 GUED075I52
     K18D01S  C2018 02 26.51005 13 42 39.75 -01 51 37.3          20.4 GUED075I52
     K18D01S  C2018 02 27.42435 14 04 03.82 -05 03 38.9          19.9 GUED075I52
     K18D01S  C2018 02 27.42630 14 04 06.69 -05 04 05.9          20.3 GUED075I52
     K18D01S  C2018 02 27.42825 14 04 09.63 -05 04 32.9          19.8 GUED075I52
     K18D01S  C2018 02 27.43020 14 04 12.56 -05 04 59.8          19.9 GUED075I52
 
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers U. Laux,
    B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey.  Observers J. A. Johnson, 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.  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 DS1                                                 Earth MOID = 0.0015 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 342.82777              (2000.0)            P               Q
n   0.55675790     Peri.  259.35305     -0.44389173     +0.89552353
a   1.4633845      Node   344.17906     -0.77018024     -0.39930513
e   0.5043856      Incl.    6.65322     -0.45802023     -0.19645108
P   1.77           H   25.0           G   0.15           U   8
Residuals in seconds of arc
180223 G96  0.6-  0.6+    180225 G96  0.3-  0.2-    180226 I52  0.2-  0.0
180223 G96  0.1-  0.3+    180225 G96  0.0   0.2-    180226 I52  0.1+  0.7-
180223 G96  0.5+  0.3-    180225 G96  0.0   0.7+    180227 I52  0.3+  0.1-
180223 G96  0.3-  0.4-    180226 033  0.4-  0.0     180227 I52  0.4-  0.0
180223 I52  0.3+  0.0     180226 033  0.4+  0.8-    180227 I52  0.0   0.0
180223 I52  0.3+  0.0     180226 033  0.3-  0.3-    180227 I52  0.1+  0.2+
180223 I52  0.1+  0.2-    180226 I52  0.0   1.7+
180225 G96  0.2+  0.0     180226 I52  0.2+  0.2-

Ephemeris:
2018 DS1                 a,e,i = 1.46, 0.50, 7                   q = 0.7253
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 28    11 22 59.5 +16 11 43   0.3476  1.2746   141.3    28.9    24.5
...
2018 02 12    11 52 21.8 +13 35 28   0.1897  1.1526   148.2    26.8    22.9
...
2018 02 20    12 26 02.2 +09 24 12   0.1141  1.0863   147.1    29.6    21.8
...
2018 02 26    13 32 34.9 -00 18 30   0.06448 1.0365   134.9    42.6    20.8
2018 02 27    13 53 34.0 -03 28 13   0.05765 1.0283   130.0    47.5    20.7
2018 02 28    14 19 54.5 -07 22 21   0.05164 1.0200   123.7    53.9    20.6
...
2018 03 06    18 54 12.9 -30 57 31   0.04926 0.9711    63.7   113.7    22.8
...
2018 03 14    21 40 09.4 -26 59 46   0.1099  0.9083    36.6   139.3    26.8
...
2018 03 29    22 41 04.5 -21 03 47   0.2559  0.8052    35.9   133.3    27.6

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-D75



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