[Iaude] MPEC V112: 2012 YH7 [a=2.61,e=0.51,i=28.6,H=19.3]

[mpec at si.edu]

M.P.E.C. 2016-V112                               Issued 2016 Nov. 12, 02:02 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


                                   2012 YH7
 
                           Revision to MPEC 2013-A06
 
Additional Observations:
     K12Y07H  C2016 11 10.44195 04 17 47.826-38 23 32.75         20.2 iLEV112F51
     K12Y07H  C2016 11 10.45192 04 17 46.705-38 23 07.86         19.9 iLEV112F51
     K12Y07H  C2016 11 10.46187 04 17 45.563-38 22 43.24         19.8 iLEV112F51
     K12Y07H  C2016 11 10.47182 04 17 44.421-38 22 18.96         19.9 iLEV112F51
     K12Y07H |C2016 11 11.17993 04 16 29.35 -37 52 36.6          20.4 VuEV112807
     K12Y07H |C2016 11 11.18293 04 16 29.01 -37 52 29.1          20.5 VuEV112807
     K12Y07H |C2016 11 11.18580 04 16 28.69 -37 52 22.0          20.6 VuEV112807
 
Observer details:
807 Cerro Tololo.  Observers T. Linder, R. Holmes.  0.61-m f/6.5 astrograph
    + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers B. Gibson, T. Goggia, S. Kahale,
    A. Schultz, M. Willman.  Measurers K. Chambers, S. Chastel, L. Denneau,
    H. Flewelling, M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters,
    R. Weryk.  1.8-m Ritchey-Chretien + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
161110 F51 0.60- 0.59-    161111 807 0.61- 0.58-    MPO254826   +0.44 day
 
Orbital elements:
2012 YH7                                                 Earth MOID = 0.5274 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5                 MPC
M 345.30229              (2000.0)            P               Q
n   0.23417669     Peri.  283.16133     +0.85558313     -0.19698649
a   2.6067953      Node    89.82819     +0.39197511     +0.85056976
e   0.5078983      Incl.   28.60204     -0.33813166     +0.48757297
P   4.21           H   19.3           G   0.15           U   3
Residuals in seconds of arc
121222 F51  0.0   0.0     130102 H21  0.2-  0.1-    130212 H21  0.2+  0.6-
121222 F51  0.1-  0.0     130102 H21  0.2+  0.4-    161110 F51  0.2-  0.2-
121222 F51  0.1-  0.0     130105 291  0.0   0.0     161110 F51  0.1+  0.1+
121222 F51  0.1-  0.2-    130105 291  0.0   0.2+    161110 F51  0.1+  0.2+
121223 H01  0.0   0.3+    130120 291  0.2+  0.0     161110 F51  0.1+  0.1-
121223 H01  0.0   0.3+    130120 291  0.3+  0.5+    161111 807  0.1-  0.1+
121223 H01  0.1+  0.3+    130120 291  0.1+  0.3+    161111 807  0.1-  0.1+
121223 H01  0.0   0.1+    130212 H21  0.1-  0.6-    161111 807  0.0   0.0
130102 H21  0.0   0.5-    130212 H21  0.2-  0.0

Ephemeris:
2012 YH7                 a,e,i = 2.61, 0.51, 29                  q = 1.2828
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 10 13    04 53 52.6 -50 32 55   0.5994  1.2886   104.8    48.5    20.6
...
2016 10 28    04 39 48.1 -45 48 02   0.5632  1.3136   112.1    44.5    20.4
...
2016 11 05    04 27 17.2 -41 49 11   0.5458  1.3346   117.5    41.2    20.2
...
2016 11 11    04 16 48.2 -38 00 10   0.5362  1.3534   122.1    38.3    20.1
2016 11 12    04 15 01.6 -37 17 41   0.5350  1.3568   122.9    37.8    20.1
2016 11 13    04 13 15.0 -36 33 59   0.5340  1.3603   123.7    37.3    20.1
...
2016 11 19    04 02 46.5 -31 47 18   0.5312  1.3825   128.4    34.1    20.0
...
2016 11 27    03 50 04.9 -24 29 52   0.5387  1.4154   134.1    30.1    20.0
...
2016 12 12    03 33 39.9 -09 44 08   0.5977  1.4862   138.6    26.0    20.2

A. U. Tomatic                (C) Copyright 2016 MPC           M.P.E.C. 2016-V112