[Iaude] MPEC E44: 2018 ED1 [a=1.59,e=0.49,i=2.5,H=25.7]

mpec at mpcdb1.cfa.harvard.edu mpec at mpcdb1.cfa.harvard.edu
Fri Mar 9 16:45:16 EST 2018


M.P.E.C. 2018-E44                                Issued 2018 Mar.  9, 21:42 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 ED1
 
Observations:
     K18E01D* C2018 03 07.43835 13 14 20.77 +07 15 28.4          19.9 GUEE044703
     K18E01D  C2018 03 07.44364 13 14 14.76 +07 15 30.8          19.1 GUEE044703
     K18E01D  C2018 03 07.45424 13 14 02.99 +07 15 32.4          19.3 GUEE044703
     K18E01D  C2018 03 07.48706 13 13 26.83 +07 15 43.7          18.9 GUEE044I52
     K18E01D  C2018 03 07.48730 13 13 26.54 +07 15 43.7          19.1 GUEE044I52
     K18E01D  C2018 03 07.48754 13 13 26.27 +07 15 43.8          18.7 GUEE044I52
     K18E01D  C2018 03 07.48779 13 13 26.00 +07 15 43.6          18.6 GUEE044I52
     K18E01D KC2018 03 07.92037 13 07 12.45 +07 16 59.0          18.9 RoEE044K88
     K18E01D KC2018 03 07.92385 13 07 09.32 +07 17 00.6          19.1 RoEE044K88
     K18E01D KC2018 03 07.96134 13 06 38.53 +07 17 25.8          19.0  UEE044K63
     K18E01D KC2018 03 07.97087 13 06 30.07 +07 17 29.3          19.2  UEE044K63
     K18E01D KC2018 03 07.97981 13 06 22.24 +07 17 32.8          18.8  UEE044K63
     K18E01D KC2018 03 08.13771 13 04 07.19 +07 18 06.3                UEE044204
     K18E01D KC2018 03 08.14711 13 03 59.48 +07 18 08.1          19.4 GUEE044204
     K18E01D |C2018 03 08.19004 13 03 42.50 +07 23 43.9          19.5 GUEE044807
     K18E01D |C2018 03 08.19274 13 03 40.31 +07 23 45.1          19.4 GUEE044807
     K18E01D |C2018 03 08.19525 13 03 38.22 +07 23 45.8          19.1 GUEE044807
     K18E01D  C2018 03 08.33720 13 01 53.42 +07 19 43.2          19.4 GUEE044I52
     K18E01D  C2018 03 08.33762 13 01 53.07 +07 19 43.4          19.5 GUEE044I52
     K18E01D  C2018 03 08.33955 13 01 51.57 +07 19 44.4          18.6 GUEE044I52
     K18E01D KC2018 03 08.98594 12 55 10.28 +07 20 47.0          19.0 RUEE044K65
     K18E01D KC2018 03 09.00290 12 54 59.80 +07 20 49.5          19.1 RUEE044K65
     K18E01D KC2018 03 09.01532 12 54 52.24 +07 20 51.5          20.1 RUEE044K65
 
Observer details:
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.60-m f/4.64 reflector
    + CCD.
703 Catalina Sky Survey.  Observer R. A. Kowalski.  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.
    0.68-m Schmidt + 10K CCD.
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers B. M. Africano,
    D. C. Fuls.  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.
K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.40-m
    f/3.2 Newtonian reflector + CCD.
K65 Cesena.  Observer V. Tinella.  0.40-m f/7 Schmidt-Cassegrain + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
 
Orbital elements:
2018 ED1                                                 Earth MOID = 0.0037 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5                 MPC
M  31.35486              (2000.0)            P               Q
n   0.49257114     Peri.  301.19882     -0.16836786     -0.98559559
a   1.5879009      Node   158.47693     +0.91851126     -0.16273028
e   0.4902237      Incl.    2.48774     +0.35775597     -0.04604542
P   2.00           H   25.7           G   0.15           U   6
Residuals in seconds of arc
180307 703  0.4+  0.1+    180307 K88  1.4-  1.0+    180308 807  0.7-  1.2-
180307 703  0.5-  0.7+    180307 K63  0.3-  0.3+    180308 I52  0.2-  0.2-
180307 703  0.8+  1.2-    180307 K63  1.2-  0.3+    180308 I52  0.4-  0.1-
180307 I52  0.4+  0.4+    180307 K63  0.5-  0.7+    180308 I52  0.2-  0.4+
180307 I52  0.0   0.3+    180308 204  0.4+  0.4+    180308 K65  0.3-  0.8+
180307 I52  0.2-  0.3+    180308 204  0.5+  0.7+    180309 K65  0.3-  0.4+
180307 I52  0.1-  0.1+    180308 807  0.8-  1.7-    180309 K65  1.2+  0.4+
180307 K88  0.7-  0.8+    180308 807  0.3-  1.3-

Ephemeris:
2018 ED1                 a,e,i = 1.59, 0.49, 2                   q = 0.8095
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2018 02 07    23 45 06.1 -07 47 39   0.1748  0.8509    36.0   137.1    28.0
...
2018 02 22    23 35 19.1 -07 14 20   0.06567 0.9272    18.9   159.8    30.5
...
2018 03 02    21 28 54.4 -05 11 54   0.01321 0.9786    20.3   159.4    27.0
...
2018 03 08    13 06 00.4 +07 20 27   0.03150 1.0203   151.7    27.4    19.5
2018 03 09    12 54 59.1 +07 23 07   0.03810 1.0275   155.3    23.8    19.8
2018 03 10    12 47 09.8 +07 24 21   0.04477 1.0347   158.1    21.0    20.1
...
2018 03 16    12 25 25.9 +07 23 11   0.08588 1.0788   167.9    11.1    21.2
...
2018 03 24    12 15 22.2 +07 12 23   0.1437  1.1392   171.5     7.4    22.3
...
2018 04 08    12 09 53.6 +06 25 33   0.2649  1.2541   160.6    15.4    24.2

A. U. Tomatic                (C) Copyright 2018 MPC           M.P.E.C. 2018-E44



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