[Iaude] MPEC A73: 2013 GL8 [a=2.43,e=0.84,i=8.6,H=18.7]

mpec at si.edu mpec at si.edu
Tue Jan 10 09:19:45 EST 2017


M.P.E.C. 2017-A73                                Issued 2017 Jan. 10, 14:15 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 http://www.minorplanetcenter.net/    ISSN 1523-6714


                                   2013 GL8
 
                           Revision to MPEC 2013-G23
 
Additional Observations:
     K13G08L  C1998 02 25.24763 07 28 19.27 +26 17 44.1          18.7 VoEA073566
     K13G08L  C1998 02 25.25814 07 28 20.82 +26 17 27.0          18.7 VoEA073566
     K13G08L  C1998 02 25.26819 07 28 22.32 +26 17 10.4          18.8 VoEA073566
     K13G08L  C2017 01 09.51957 14 27 46.45 -02 56 52.8          20.0 VqEA073G96
     K13G08L  C2017 01 09.52595 14 27 43.26 -02 56 39.6          19.5 VqEA073G96
     K13G08L  C2017 01 09.53026 14 27 41.17 -02 56 31.6          19.9 VqEA073G96
     K13G08L  C2017 01 09.53545 14 27 38.61 -02 56 21.7          19.4 VqEA073G96
     K13G08L  C2017 01 09.54316 14 27 34.82 -02 56 08.2          19.7 VqEA073G96
     K13G08L  C2017 01 09.54392 14 27 34.48 -02 56 05.7          19.5 VqEA073G96
     K13G08L  C2017 01 09.54467 14 27 34.08 -02 56 03.4          20.3 VqEA073G96
     K13G08L  C2017 01 09.54543 14 27 33.69 -02 56 03.3                qEA073G96
     K13G08L HC2017 01 10.54078 14 19 30.94 -02 23 44.6                oEA073691
     K13G08L HC2017 01 10.54303 14 19 29.89 -02 23 40.9                oEA073691
     K13G08L HC2017 01 10.54529 14 19 28.79 -02 23 36.3                oEA073691
 
Observer details:
566 Haleakala-NEAT/GEODSS.  Observers L. Buzzi, P. Concari, C. Cremaschini,
    S. Foglia, G. Galli, M. Tombelli.
691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
    + CCD.
G96 Mt. Lemmon Survey.  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.
    1.5-m reflector + 10K CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
980225 566 7.41- 2.18+    170110 691 2.89- 0.23+    MPO265055   -0.94 day
 
Orbital elements:
2013 GL8                                                 Earth MOID = 0.0565 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M  20.03461              (2000.0)            P               Q
n   0.26030158     Peri.   47.31247     +0.94113448     -0.33062083
a   2.4293207      Node   331.77725     +0.24991402     +0.82077340
e   0.8433471      Incl.    8.56101     +0.22761565     +0.46585501
P   3.79           H   18.7           G   0.15           U   3
Residuals in seconds of arc
980225 566  0.1+  0.6+    130407 291  1.2+  0.2+    130503 291  0.5-  0.2-
980225 566  0.0   0.4+    130407 291  1.4-  0.6+    130503 291  0.1-  0.1-
980225 566  0.1+  0.1-    130410 291  0.3+  0.0     130503 291  0.1-  0.0
130403 F51  0.4+  0.2-    130410 291  0.1-  0.1+    170109 G96  0.5+  0.2-
130403 F51  0.1+  0.1-    130410 568  0.1+  0.1-    170109 G96  0.2-  0.6+
130403 F51  0.7-  0.3-    130410 568  0.0   0.1-    170109 G96  0.3+  0.3+
130403 F51  0.2+  0.2-    130411 291  0.4-  0.1+    170109 G96  0.2+  0.2+
130405 H21  0.0   0.1+    130411 291  0.3+  0.1-    170109 G96  0.4+  1.2-
130405 H21  0.4-  0.4+    130412 291 (3.0-  1.2-)   170109 G96  0.9+  0.2-
130405 H21  0.4-  0.7+    130412 291 (5.4-  0.7-)   170109 G96  0.5+  0.7+
130405 568  0.0   0.0     130413 291  0.1-  0.5+    170109 G96  0.2+  0.7-
130405 568  0.0   0.0     130413 291  0.6+  0.3+    170110 691  1.2-  0.6+
130405 568  0.1-  0.0     130429 291  0.2-  0.1-    170110 691  0.2-  0.1-
130405 568  0.0   0.0     130429 291  0.2+  0.0     170110 691  0.1+  0.1+
130407 291  0.8+  0.5+    130429 291  0.1-  0.1-

Ephemeris:
2013 GL8                 a,e,i = 2.43, 0.84, 9                   q = 0.3806
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 12 11    17 48 31.6 -16 23 36   0.5504  0.4554    10.7   156.4    25.6
...
2016 12 26    16 19 35.1 -10 03 46   0.3649  0.6988    31.5   132.7    21.7
...
2017 01 03    15 19 23.0 -06 18 38   0.3248  0.8365    54.3   107.3    19.9
...
2017 01 09    14 31 57.0 -03 13 21   0.3098  0.9371    72.3    89.3    19.2
2017 01 10    14 23 53.3 -02 41 06   0.3084  0.9536    75.4    86.4    19.1
2017 01 11    14 15 47.4 -02 08 31   0.3073  0.9700    78.5    83.4    19.0
...
2017 01 17    13 26 41.8 +01 11 31   0.3076  1.0666    97.1    66.2    18.6
...
2017 01 25    12 22 18.4 +05 30 31   0.3282  1.1904   121.8    44.7    18.4
...
2017 02 09    10 43 43.0 +11 15 33   0.4367  1.4081   161.8    12.6    18.4

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-A73




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