• MPC Preparation (Info)

    • MPEC 2013-E57 : 2013 ER41

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    M.P.E.C. 2013-E57                                Issued 2013 Mar. 13, 11:32 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  They are published
   on behalf of Commission 20 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                   2013 ER41

Observations:
     K13E41R*QC2013 03 11.71458813 35 07.42 -26 56 54.4          18.8 VrEE057E12
     K13E41R QC2013 03 11.72526013 35 14.79 -26 53 19.7          18.7 VrEE057E12
     K13E41R QC2013 03 11.73591513 35 22.08 -26 49 43.4          18.5 VrEE057E12
     K13E41R QC2013 03 11.78644913 35 57.01 -26 32 34.0          18.7 VrEE057E12
     K13E41R KC2013 03 12.19595813 41 04.42 -24 12 42.9          18.6 RtEE057W85
     K13E41R KC2013 03 12.19840613 41 06.07 -24 11 52.8          18.4 RtEE057W85
     K13E41R KC2013 03 12.20085513 41 07.72 -24 11 02.3          18.7 RtEE057W85
     K13E41R KC2013 03 12.20330713 41 09.39 -24 10 11.7          18.6 RtEE057W85
     K13E41R KC2013 03 12.20600213 41 11.20 -24 09 16.3          18.5 RtEE057W85
     K13E41R QC2013 03 12.69057313 46 49.68 -21 19 43.9          18.6 VrEE057E12
     K13E41R QC2013 03 12.78560213 47 51.34 -20 45 55.6          18.6 VrEE057E12
     K13E41R |C2013 03 13.26316 13 53 24.58 -17 55 13.2          19.3 VuEE057807
     K13E41R |C2013 03 13.26802 13 53 27.62 -17 53 28.4          19.5 VuEE057807
     K13E41R |C2013 03 13.27300 13 53 30.72 -17 51 41.4          18.9 VuEE057807
     K13E41R |C2013 03 13.27800 13 53 33.85 -17 49 53.4          18.9 VuEE057807
     K13E41R KC2013 03 13.32045 13 54 03.51 -17 36 52.2          19.0 RqEE057H36
     K13E41R KC2013 03 13.32437 13 54 05.95 -17 35 27.9          18.9 RqEE057H36
     K13E41R KC2013 03 13.32831 13 54 08.45 -17 34 03.0          18.4 RqEE057H36

Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes, H. Tanquary.  0.41-m f/11
    Ritchey-Chretien + CCD.
E12 Siding Spring Survey.  Observer R. H. McNaught.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski,
    S. M. Larson, R. H. McNaught.  0.5-m Uppsala Schmidt + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + CCD.
W85 Cerro Tololo-LCOGT A.  Observers E. J. Christensen, S. M. Larson,
    T. Lister.  Measurer T. Lister.  1.0-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2013 ER41                                                Earth MOID = 0.0510 AU
Epoch 2013 Apr. 18.0 TT = JDT 2456400.5                 MPC
M  23.01160              (2000.0)            P               Q
n   0.50352125     Peri.  348.39533     -0.96361563     -0.26578525
a   1.5647952      Node   175.85395     +0.26568661     -0.96403211
e   0.3347777      Incl.   23.07724     +0.02924950     +0.00053346
P   1.96           H   23.1           G   0.15           U   7
Residuals in seconds of arc
130311 E12  0.1-  0.5+    130312 W85  0.0   0.0     130313 807  0.1-  0.0
130311 E12  0.3+  0.7-    130312 W85  0.2+  0.2+    130313 807  0.2-  0.4-
130311 E12  0.2-  0.3-    130312 W85  0.1+  0.0     130313 807  0.1-  0.3-
130311 E12  0.1+  0.3+    130312 E12  0.1-  0.0     130313 H36  0.5+  0.4+
130312 W85  0.1+  0.2+    130312 E12  0.2-  0.0     130313 H36  0.1+  0.2+
130312 W85  0.0   0.1-    130313 807  0.1-  0.1-    130313 H36  0.5+  0.1+

Ephemeris:
2013 ER41                a,e,i = 1.56, 0.33, 23                  q = 1.0409
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2013 02 11    08 35 45.5 -63 34 35   0.2365  1.0594   101.4    66.0    22.4
...
2013 02 26    10 25 32.4 -62 24 36   0.1369  1.0422   108.8    64.1    21.1
...
2013 03 06    12 16 10.9 -50 53 19   0.08905 1.0412   121.4    54.4    19.9
...
2013 03 12    13 38 37.5 -25 20 41   0.06761 1.0444   137.3    40.2    18.9
2013 03 13    13 50 23.3 -19 30 22   0.06649 1.0452   139.2    38.4    18.8
2013 03 14    14 01 27.5 -13 29 22   0.06625 1.0461   140.4    37.3    18.8
...
2013 03 20    14 53 49.2 +17 52 34   0.08171 1.0535   133.3    43.5    19.5
...
2013 03 28    15 34 28.8 +38 08 48   0.1274  1.0681   120.3    53.7    20.7
...
2013 04 12    16 03 26.3 +49 40 56   0.2291  1.1084   111.9    57.0    22.2

A. U. Tomatic                (C) Copyright 2013 MPC           M.P.E.C. 2013-E57

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