• Processing (Info)

    • MPEC 2012-X75 : 2012 XH112

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    M.P.E.C. 2012-X75                                Issued 2012 Dec. 13, 00:13 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

                                  2012 XH112

Observations:
     K12XB2H* C2012 12 12.28236 05 00 30.27 +14 50 19.9          19.4 VrEX075G96
     K12XB2H  C2012 12 12.28936 05 00 33.69 +14 50 40.4          19.4 VrEX075G96
     K12XB2H  C2012 12 12.29632 05 00 37.15 +14 51 00.2          19.3 VrEX075G96
     K12XB2H  C2012 12 12.33340 05 00 54.77 +14 52 38.2          18.9 RoEX075H01
     K12XB2H  C2012 12 12.34385 05 01 00.18 +14 53 07.8          18.9 RoEX075H01
     K12XB2H  C2012 12 12.34982 05 01 03.29 +14 53 24.6          19.2 RoEX075H01
     K12XB2H  C2012 12 12.35436 05 01 05.69 +14 53 37.4          19.3 RoEX075H01
     K12XB2H  C2012 12 12.36847 05 01 14.01 +14 54 26.9          19.2 VrEX075G96
     K12XB2H  C2012 12 12.36903 05 01 14.26 +14 54 28.4          19.3 VrEX075G96
     K12XB2H  C2012 12 12.36957 05 01 14.59 +14 54 29.9          19.2 VrEX075G96
     K12XB2H  C2012 12 12.37013 05 01 14.88 +14 54 31.6          19.3 VrEX075G96
     K12XB2H  C2012 12 12.45353 05 02 33.47 +14 58 16.4          20.5 RoEX075300
     K12XB2H  C2012 12 12.45516 05 02 34.35 +14 58 21.5          20.2 RoEX075300
     K12XB2H  C2012 12 12.45678 05 02 35.37 +14 58 27.5          20.0 RoEX075300
     K12XB2H  C2012 12 12.45840 05 02 36.41 +14 58 33.7          20.6 RoEX075300
     K12XB2H  C2012 12 12.46002 05 02 37.41 +14 58 39.2          20.3 RoEX075300
     K12XB2H  C2012 12 12.46165 05 02 38.34 +14 58 44.1          20.5 RoEX075300
     K12XB2H KC2012 12 12.84874 05 07 28.50 +15 21 06.1          19.4 VuEX075595
     K12XB2H KC2012 12 12.86198 05 07 38.81 +15 22 02.1          19.3 VuEX075595
     K12XB2H KC2012 12 12.87545 05 07 49.33 +15 22 58.6                uEX075595

Observer details:
300 Bisei Spaceguard Center--BATTeRS.  Observers K. Nishiyama, S. Okumura.
    1.0-m f/3.0 reflector + CCD.
595 Farra d'Isonzo.  Observers E. Pettarin, F. Piani.  Measurer E. Pettarin.
    0.40-m f/4.5 reflector + CCD.
G96 Mt. Lemmon Survey.  Observer A. Boattini.  Measurers A. Boattini,
    E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
    R. A. Kowalski, S. M. Larson, R. H. McNaught.  1.5-m reflector + CCD.
H01 Magdalena Ridge Observatory, Socorro.  Observer W. H. Ryan.  2.4-m f/8.9
    reflector + CCD.

Orbital elements:
2012 XH112                                               Earth MOID = 0.0012 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5                MPC
M 322.99424              (2000.0)            P               Q
n   0.32137019     Peri.   58.16636     -0.78241649     -0.61885852
a   2.1108903      Node    83.50696     +0.54509594     -0.73457618
e   0.6153220      Incl.    4.01450     +0.30115588     -0.27823005
P   3.07           H   27.0           G   0.15           U   7
Residuals in seconds of arc
121212 G96  0.2+  0.1-    121212 G96  0.2+  0.1-    121212 300  0.3+  0.5+
121212 G96  0.2-  0.1+    121212 G96  0.5-  0.2-    121212 300  0.5+  0.3+
121212 G96  0.1+  0.3-    121212 G96  0.1+  0.2-    121212 300  0.4-  0.6-
121212 H01  0.1-  0.1+    121212 G96  0.0   0.1-    121212 595  0.0   0.5+
121212 H01  0.0   0.1+    121212 300  0.8+  0.4+    121212 595  0.0   0.2+
121212 H01  0.0   0.1+    121212 300  0.9-  0.3-    121212 595  0.0   0.8-
121212 H01  0.2+  0.1+    121212 300  0.4-  0.0

Ephemeris:
2012 XH112               a,e,i = 2.11, 0.62, 4                   q = 0.8120
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2012 11 13    04 28 34.2 +13 15 55   0.2947  1.2723   161.4    14.4    25.7
...
2012 11 28    04 33 06.8 +12 51 40   0.1507  1.1355   170.7     8.1    23.7
...
2012 12 06    04 38 21.7 +13 04 52   0.08112 1.0653   170.1     9.1    22.3
...
2012 12 12    04 57 51.5 +14 39 07   0.03097 1.0151   170.4     9.3    20.1
2012 12 13    05 09 35.1 +15 35 06   0.02278 1.0070   171.9     7.9    19.4
2012 12 14    05 34 37.4 +17 25 42   0.01474 0.9990   173.9     6.0    18.3
...
2012 12 20    16 00 22.7 -09 26 17   0.03589 0.9530    30.3   148.7    27.9
...
2012 12 28    16 19 37.7 -11 23 00   0.1029  0.8986    32.8   143.6    29.2
...
2013 01 12    16 35 48.6 -13 00 51   0.2359  0.8277    43.3   125.5    28.7

A. U. Tomatic                (C) Copyright 2012 MPC           M.P.E.C. 2012-X75

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