[Iaude] MPEC E01: 2018 DA1 [a=1.21,e=0.73,i=25.5,H=18.8,PHA]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Thu Mar 1 06:39:17 EST 2018


M.P.E.C. 2018-E01                                Issued 2018 Mar. 1, 11:33 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 DA1
 
                           Revision to MPEC 2018-D56
 
Additional Observations:
     K18D01A _C2007 04 08.24141705 19 48.597+23 47 09.56         20.6 GUEE001568
     K18D01A _C2007 04 08.25692905 19 54.434+23 47 33.26         20.6 GUEE001568
     K18D01A  C2011 04 04.19330 05 27 29.88 +25 12 50.7          20.8 VrEE001G96
     K18D01A  C2011 04 04.19608 05 27 30.85 +25 12 54.9          21.0 VrEE001G96
     K18D01A  C2011 04 04.19888 05 27 31.96 +25 12 58.8          20.5 VrEE001G96
     K18D01A  C2011 04 04.20164 05 27 33.01 +25 13 03.0          20.5 VrEE001G96
     K18D01A  C2011 04 04.20443 05 27 34.12 +25 13 07.2          20.8 VrEE001G96
     K18D01A  C2013 04 20.49762514 20 44.543+33 31 16.28         21.7 GUEE001F51
     K18D01A  C2013 04 20.50841214 20 43.005+33 31 27.05         21.8 GUEE001F51
     K18D01A  C2013 04 20.51835314 20 41.594+33 31 36.87         21.6 GUEE001F51
     K18D01A  C2017 04 09.54198614 55 51.828+29 29 46.87         21.5 GUEE001F51
     K18D01A  C2017 04 09.56354214 55 49.490+29 30 18.20         21.1 GUEE001F51
     K18D01A  C2017 05 29.28321913 06 15.104+36 18 09.84         21.4 GUEE001F51
     K18D01A  C2017 05 29.29453813 06 14.024+36 18 03.87         21.2 GUEE001F51
 
Observer details:
568 Mauna Kea.  Observers R. Wainscoat, R. Zelman.  Measurer M. Micheli.
    3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    T. Lowe, A. Schultz, M. Willman.  Measurer M. Micheli.  1.8-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer A. R. Gibbs.  Measurers J. D. Ahern,
    E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
    R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m
    reflector + CCD.
 
Orbital elements:
2018 DA1                                            PHA, Earth MOID = 0.0032 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M 130.48978              (2000.0)            P               Q
n   0.74306367     Peri.  233.89781     +0.92025888     -0.27640827
a   1.2072171      Node   139.95777     +0.30279389     +0.95137307
e   0.7272741      Incl.   25.50171     -0.24786984     +0.13596969
P   1.33           H   18.8           G   0.15           U   3
Residuals in seconds of arc
070408 568  0.4+  0.3-    180218 G96  0.1-  0.0     180225 033  0.1+  0.1+
070408 568  0.6+  0.1-    180218 G96  0.4+  0.3-    180225 033  0.1+  0.1+
110404 G96  0.2+  0.5-    180222 033  0.2+  0.1+    180225 033  0.1+  0.0
110404 G96  0.8-  0.4-    180222 033  0.3+  0.2-    180225 033  0.1+  0.1+
110404 G96  0.1-  0.6-    180222 033  0.4+  0.1-    180225 I52  0.2+  0.7-
110404 G96  0.1+  0.5-    180222 033  0.2+  0.3-    180225 I52 (1.0+  1.8-)
110404 G96  0.9+  0.4-    180222 033  0.2+  0.1+    180225 I52  0.8-  0.3-
130420 F51  0.1-  0.1+    180222 033  0.2+  0.6+    180226 291  0.3+  0.1+
130420 F51  0.2-  0.0     180222 033  0.2+  0.0     180226 291  0.2+  0.2+
130420 F51  0.2-  0.1-    180222 033  0.6-  0.2+    180226 291  0.2+  0.2+
170409 F51  0.1+  0.2-    180222 033  0.8-  0.0     180227 291  0.2-  0.3+
170409 F51  0.3+  0.1-    180222 033  0.4-  0.1+    180227 291  0.2+  0.3+
170529 F51  0.2-  0.1-    180222 033  0.0   1.4+    180227 291  0.2+  0.1+
170529 F51  0.0   0.1-    180222 033  0.2+  1.3+    180227 I52  0.3+  0.6-
180218 G96  0.2+  0.1+    180222 033  0.2+  1.2+    180227 I52  0.2-  0.5-
180218 G96  0.5+  0.1-    180222 033  0.2-  1.2+    180227 I52  0.3+  0.8-
180218 G96  0.3+  0.0     180223 I52  0.3-  0.6-    180227 I52  0.7-  1.0-
180218 G96  0.4-  0.1+    180223 I52  0.4-  0.4-
180218 G96 (0.8+  1.7-)   180223 I52  0.3+  0.3-

Ephemeris:
2018 DA1                 a,e,i = 1.21, 0.73, 26                  q = 0.3292
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 01 30    13 51 11.1 +09 04 23   1.1582  1.7194   106.4    33.3    21.7
...
2018 02 14    13 46 03.0 +15 05 06   1.0739  1.8095   122.7    27.3    21.5
...
2018 02 22    13 38 15.1 +18 47 07   1.0420  1.8517   131.5    23.6    21.3
...
2018 02 28    13 29 57.2 +21 38 57   1.0270  1.8809   137.6    20.8    21.3
2018 03 01    13 28 22.2 +22 07 31   1.0254  1.8856   138.5    20.4    21.2
2018 03 02    13 26 44.0 +22 35 57   1.0241  1.8902   139.4    19.9    21.2
...
2018 03 08    13 15 48.4 +25 22 16   1.0216  1.9166   144.2    17.6    21.2
...
2018 03 16    12 58 46.7 +28 42 11   1.0345  1.9486   147.6    15.9    21.2
...
2018 03 31    12 23 47.7 +33 02 24   1.1097  1.9991   142.9    17.5    21.5

                       (Last issue was M.P.E.C. 2018-D93)

Gareth V. Williams           (C) Copyright 2018 MPC           M.P.E.C. 2018-E01



More information about the Iaude mailing list