[Iaude] MPEC B49: 1997 AC11 [a=0.91,e=0.37,i=31.7,H=20.5]

mpec at si.edu mpec at si.edu
Mon Jan 23 17:29:42 EST 2017


M.P.E.C. 2017-B49                                Issued 2017 Jan. 23, 22:26 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


                                   1997 AC11
 
                           Revision to MPEC 1997-B07
 
Additional Observations:
     J97A11C  C2017 01 23.09994 03 59 40.15 +01 43 15.9          20.0 RoEB049926
     J97A11C  C2017 01 23.10565 03 59 39.15 +01 43 42.0          20.0 RoEB049926
     J97A11C  C2017 01 23.11135 03 59 38.17 +01 44 08.0          19.9 RoEB049926
     J97A11C KC2017 01 23.16291 03 59 29.39 +01 48 04.7                oEB049691
     J97A11C KC2017 01 23.16495 03 59 29.06 +01 48 13.3                oEB049691
     J97A11C KC2017 01 23.16697 03 59 28.75 +01 48 22.6                oEB049691
     J97A11C KC2017 01 23.44205 03 58 44.25 +02 09 50.5                tEB049474
     J97A11C KC2017 01 23.44677 03 58 43.41 +02 10 12.2          19.9 RtEB049474
     J97A11C KC2017 01 23.45148 03 58 42.66 +02 10 33.6          20.0 RtEB049474
     J97A11C KC2017 01 23.45621 03 58 41.86 +02 10 55.4          19.8 RtEB049474
     J97A11C KC2017 01 23.73420 03 57 58.73 +02 31 26.8          19.3 RoEB049K88
     J97A11C KC2017 01 23.74243 03 57 57.39 +02 32 04.3          19.5 RoEB049K88
     J97A11C FC2017 01 23.77030 03 57 52.99 +02 34 11.0                qEB049246
     J97A11C FC2017 01 23.77105 03 57 52.77 +02 34 13.2                qEB049246
     J97A11C FC2017 01 23.77175 03 57 52.61 +02 34 17.3                qEB049246
     J97A11C FC2017 01 23.77192 03 57 52.60 +02 34 18.8                qEB049246
     J97A11C KC2017 01 23.85457 03 57 39.37 +02 40 34.5          20.5 VqEB049I93
     J97A11C KC2017 01 23.86723 03 57 37.27 +02 41 32.1          19.6 VqEB049I93
 
Observer details:
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M. Tichy.
    1.06-m KLENOT Telescope + CCD.
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore,
    P. M. Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
691 Steward Observatory, Kitt Peak.  Observer M. T. Read.  0.9-m f/3 reflector
    + CCD.
926 Tenagra II Observatory.  Observers M. Schwartz, P. R. Holvorcem.  Measurer
    M. Schwartz.  0.81-m f/7 Ritchey-Chretien + CCD.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
K88 GINOP-KHK, Piszkesteto.  Observer K. Sarneczky.  0.60-m Schmidt + CCD.
 
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
170123 926 1.26- 1.38-    170123 I93 1.18- 1.42-    MPO 70213   +1.8 day
 
Orbital elements:
1997 AC11                                                Earth MOID = 0.1035 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5                 MPC
M 261.05321              (2000.0)            P               Q
n   1.12933555     Peri.  141.56108     -0.11659280     +0.87582927
a   0.9132452      Node   116.94672     -0.99046136     -0.06767066
e   0.3680256      Incl.   31.69287     -0.07343304     -0.47785329
P   0.87           H   20.5           G   0.15           U   4
Residuals in seconds of arc
970110 566  0.1-  0.5-    970114 658  0.2-  0.3-    970117 046  0.1-  0.0
970110 566  0.1+  0.5-    970114 658  0.9-  0.2-    970117 046  0.3-  0.5-
970110 566  0.8-  0.7-    970114 658  0.3-  0.2-    970117 046  0.2-  0.4-
970111 566  0.6-  0.1-    970114 658  0.2-  0.8-    970117 473  0.1-  0.2+
970111 566  0.3+  0.1+    970114 658  0.4-  0.4-    970117 473  0.5-  0.1-
970111 566  0.2+  0.1+    970114 658  0.2-  0.2-    970117 473  1.9+  0.3+
970111 566  0.2+  0.4+    970114 658  0.2-  0.6-    970118 046  1.1+  0.3+
970111 566  0.1+  0.1-    970114 566  0.9+  1.5+    970118 046  0.7+  0.5+
970111 566  0.0   0.2+    970114 599 (2.2+  7.1+)   970118 046  0.9+  0.3+
970111 566  0.3-  0.0     970114 599  1.1-  1.2-    970118 355 (1.4+  3.5-)
970111 566  0.0   0.2+    970114 599  1.2-  0.8+    970118 355 (0.8+  3.4-)
970111 566  0.2-  0.3+    970114 599  1.3-  1.3+    970118 360  0.4+  0.4-
970112 566  0.5-  0.4-    970114 599 (0.8-  2.4+)   970118 360  0.4+  0.2+
970112 566  0.2+  0.4+    970114 599  1.5-  0.9+    970118 360  0.2+  0.5-
970112 566  0.4+  0.2+    970114 587  0.1-  0.9+    970119 360  0.4+  0.5-
970112 402  0.9+  0.3-    970114 587  0.1-  0.3+    970119 360  0.4+  0.4-
970112 402  0.8+  0.0     970114 587  0.5-  0.3-    970119 360  0.4+  0.5-
970112 402  0.7+  0.8-    970115 473  0.8-  0.4+    970120 402  0.5+  0.0
970112 566  0.3+  0.2-    970115 473 (0.3-  2.5-)   970120 402  0.5+  0.1+
970112 566  0.3+  0.6+    970115 118  0.8-  0.2-    970120 402  0.2+  0.2+
970112 566  0.4+  0.3+    970115 118  0.0   0.2-    970120 402  0.2+  0.2-
970112 046  0.5+  0.5+    970115 118  0.2+  0.3-    970120 402  0.5+  0.6-
970112 046  0.2+  1.0-    970115 046  0.2+  0.6-    970124 658  0.5-  0.2+
970112 046  0.5+  0.8+    970115 046  0.1-  0.2-    970124 658  0.4+  0.5+
970112 046  0.9+  1.8-    970115 046  0.2-  0.1-    970124 658  0.4-  0.6-
970113 566  0.1+  0.7+    970115 566  0.0   0.1+    970127 118  0.3-  1.5+
970113 566  0.3+  0.2+    970115 566  0.1-  0.1+    970127 118  0.2-  0.2+
970113 566  0.3+  0.1+    970115 566  0.4-  0.2+    970127 118  0.1-  0.4+
970113 360  0.0   0.2+    970115 402  0.4-  0.6-    970127 118  0.3-  0.3+
970113 360  0.0   0.6+    970115 402  0.6-  1.0+    170123 926  0.1+  0.1+
970113 360  0.2-  0.3+    970115 402  0.1+  0.1+    170123 926  0.3-  0.0
970113 587  0.3-  0.3-    970115 402  0.6-  0.9-    170123 926  0.4-  0.1-
970113 587  0.1+  0.5+    970115 402  0.5-  0.1+    170123 691  0.4-  0.5+
970113 587  0.4+  0.3-    970115 402  1.6-  1.1-    170123 691  0.1-  0.2-
970114 557  0.2+  0.1+    970115 566  0.5-  0.0     170123 691  0.4+  0.2-
970114 557  0.2+  0.2+    970115 566  0.1-  0.2+    170123 474  0.9+  0.6-
970114 557  0.2+  0.0     970115 566  0.3-  0.2+    170123 474  0.0   0.4-
970114 557  0.1-  0.0     970115 108  0.3-  0.1+    170123 474  0.5+  0.5-
970114 046  0.2+  0.3+    970115 108  0.2+  1.6+    170123 474  0.2+  0.3-
970114 046  0.2+  0.3-    970116 046  0.1+  0.2+    170123 K88  0.3-  0.3+
970114 046  0.1-  0.1+    970116 046  0.0   0.2+    170123 K88  0.0   0.3+
970114 046  0.2+  0.5+    970116 046  0.5+  0.3+    170123 246  1.1+  0.6+
970114 557  0.1+  0.1+    970116 402  0.7+  0.5-    170123 246  0.3-  0.6-
970114 557  0.0   0.3-    970116 402  0.7+  1.0-    170123 246  1.0-  0.3+
970114 557  0.2+  0.1+    970116 402  0.8+  1.2-    170123 246  0.7-  1.0+
970114 566  0.2+  0.9+    970116 587  0.1+  0.2-    170123 I93  0.3+  0.1-
970114 566  0.1-  0.8+    970116 587  0.4-  0.4-    170123 I93  0.0   0.0

Ephemeris:
1997 AC11                a,e,i = 0.91, 0.37, 32                  q = 0.5771
Date    TT    R. A. (2000) Decl.     Delta      r     Elong.  Phase     V
2016 12 24    06 04 18.1 -31 43 32   0.3771  1.2383   124.8    40.7    20.4
...
2017 01 08    04 53 23.5 -17 53 32   0.3325  1.2118   126.7    40.6    20.1
...
2017 01 16    04 21 42.9 -07 35 07   0.3337  1.1912   121.2    44.9    20.2
...
2017 01 22    04 02 42.1 +00 18 50   0.3459  1.1729   115.0    49.5    20.4
2017 01 23    03 59 56.2 +01 35 46   0.3488  1.1695   113.8    50.3    20.4
2017 01 24    03 57 17.0 +02 51 47   0.3518  1.1662   112.7    51.2    20.5
...
2017 01 30    03 43 35.6 +10 04 34   0.3739  1.1444   105.7    56.0    20.7
...
2017 02 07    03 30 29.8 +18 30 31   0.4104  1.1115    96.7    61.8    21.0
...
2017 02 22    03 16 28.9 +31 01 09   0.4846  1.0378    81.8    70.6    21.5

A. U. Tomatic                (C) Copyright 2017 MPC           M.P.E.C. 2017-B49




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