[Iaude] MPEC M109: 2011 CN2 [a=2.24,e=0.62,i=19.6,H=18.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Jun 26 07:35:12 EDT 2020


M.P.E.C. 2020-M109                                Issued 2020 June 26, 11:33 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 https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2011 CN2                                    


                           Revision to MPEC 2011-C18                            

Additional Observations:
     K11C02N  S2020 06 20.25008 00 00 52.61 -06 24 50.8          18   RLEM109C51
     K11C02N  s2020 06 20.25008 1 + 6003.4381 + 3286.3045 +  437.2127   EM109C51
     K11C02N  S2020 06 20.38085 00 01 29.17 -06 16 24.2                LEM109C51
     K11C02N  s2020 06 20.38085 1 + 5994.6858 + 3300.7276 +  448.5071   EM109C51
     K11C02N  S2020 06 20.51163 00 02 05.81 -06 07 56.4                LEM109C51
     K11C02N  s2020 06 20.51163 1 + 5985.8783 + 3315.1193 +  459.8216   EM109C51
     K11C02N  S2020 06 20.64240 00 02 42.49 -05 59 26.6                LEM109C51
     K11C02N  s2020 06 20.64240 1 + 5977.0147 + 3329.4804 +  471.1629   EM109C51
     K11C02N  S2020 06 20.77318 00 03 19.30 -05 50 54.8                LEM109C51
     K11C02N  s2020 06 20.77318 1 + 5968.1132 + 3343.8009 +  482.3971   EM109C51
     K11C02N  S2020 06 20.90395 00 03 56.14 -05 42 21.4                LEM109C51
     K11C02N  s2020 06 20.90395 1 + 5959.1598 + 3358.0917 +  493.6546   EM109C51
     K11C02N  S2020 06 21.16551 00 05 10.07 -05 25 09.4          18   RLEM109C51
     K11C02N  s2020 06 21.16551 1 + 5941.1081 + 3386.5734 +  516.1350   EM109C51
     K11C02N  S2020 06 21.23083 00 05 28.55 -05 20 50.4                LEM109C51
     K11C02N  s2020 06 21.23083 1 + 5931.0042 + 3396.6303 +  563.2595   EM109C51
     K11C02N  S2020 06 21.29628 00 05 47.14 -05 16 31.4                LEM109C51
     K11C02N  s2020 06 21.29628 1 + 5931.9985 + 3400.7674 +  527.4245   EM109C51
     K11C02N  S2020 06 21.36161 00 06 05.66 -05 12 11.8                LEM109C51
     K11C02N  s2020 06 21.36161 1 + 5921.8128 + 3410.7564 +  574.4751   EM109C51
     K11C02N  S2020 06 21.42706 00 06 24.27 -05 07 51.4                LEM109C51
     K11C02N  s2020 06 21.42706 1 + 5922.8929 + 3414.8977 +  538.2959   EM109C51
     K11C02N  S2020 06 21.49238 00 06 42.85 -05 03 30.6                LEM109C51
     K11C02N  s2020 06 21.49238 1 + 5912.6220 + 3424.8254 +  585.3369   EM109C51
     K11C02N  S2020 06 21.55783 00 07 01.50 -04 59 09.3                LEM109C51
     K11C02N  s2020 06 21.55783 1 + 5913.6976 + 3429.0170 +  549.4713   EM109C51
     K11C02N  S2020 06 21.62316 00 07 20.11 -04 54 48.1                LEM109C51
     K11C02N  s2020 06 21.62316 1 + 5903.3341 + 3438.8829 +  596.5325   EM109C51
     K11C02N  S2020 06 21.68861 00 07 38.77 -04 50 25.7                LEM109C51
     K11C02N  s2020 06 21.68861 1 + 5904.4424 + 3443.1090 +  560.7272   EM109C51
     K11C02N  S2020 06 21.75393 00 07 57.42 -04 46 03.5                LEM109C51
     K11C02N  s2020 06 21.75393 1 + 5893.9927 + 3452.9064 +  607.7421   EM109C51
     K11C02N  S2020 06 21.81926 00 08 16.11 -04 41 41.3                LEM109C51
     K11C02N  s2020 06 21.81926 1 + 5883.2375 + 3462.5192 +  654.7595   EM109C51
     K11C02N  S2020 06 21.81939 00 08 16.13 -04 41 40.1                LEM109C51
     K11C02N  s2020 06 21.81939 1 + 5895.1537 + 3457.1609 +  571.8775   EM109C51
     K11C02N  S2020 06 21.88471 00 08 34.86 -04 37 17.8                LEM109C51
     K11C02N  s2020 06 21.88471 1 + 5884.0611 + 3466.8345 +  620.2362   EM109C51
     K11C02N  S2020 06 22.01549 00 09 12.29 -04 28 30.9                LEM109C51
     K11C02N  s2020 06 22.01549 1 + 5874.6243 + 3480.7867 +  631.4261   EM109C51
     K11C02N  S2020 06 22.14626 00 09 49.86 -04 19 40.8                LEM109C51
     K11C02N  s2020 06 22.14626 1 + 5865.1356 + 3494.7060 +  642.6388   EM109C51
     K11C02N  S2020 06 22.27704 00 10 27.47 -04 10 50.0                LEM109C51
     K11C02N  s2020 06 22.27704 1 + 5855.5903 + 3508.5931 +  653.8982   EM109C51
     K11C02N KC2020 06 25.20974 00 24 52.60 -00 45 22.5          21.1 RtEM109954
     K11C02N KC2020 06 25.21207 00 24 53.28 -00 45 12.0          20.2 RtEM109954
     K11C02N KC2020 06 25.21351 00 24 53.70 -00 45 05.8          20.1 RtEM109954

Observer details:
954 Teide Observatory.  Observers J. A. Mansour, M. Popescu.  Measurer M.
    Popescu.  1.52-m f/4.2 reflector.
C51 WISE.  Observer Near-Earth Object Wide-field Infrared Survey Explorer.
    Measurers A. K. Mainzer, J. M. Bauer, T. Grav, J. R. Masiero, R. M. Cutri,
    J. W. Dailey, E. Kramer, J. Pittichova, S. Sonnett, E. L. Wright.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
200620 C51 5.26- 5.84-    200625 954 5.45- 5.82-    MPO194136   -4.91 days

Orbital elements:
2011 CN2                                                 Earth MOID = 0.0516 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 336.55864              (2000.0)            P               Q
n   0.29461324     Peri.   65.88741     +0.93361277     -0.23642725
a   2.2368381      Node   306.67016     +0.04861473     +0.82800932
e   0.6195902      Incl.   19.61062     +0.35497014     +0.50843163
P   3.35           H   18.7           G   0.15           U   3
Residuals in seconds of arc
110202 F51  0.1+  0.0     110212 291  0.4-  0.1+    200620 C51  0.2+  0.0
110202 F51  0.0   0.0     110212 291  0.1+  0.4+    200621 C51  0.3+  0.3+
110202 F51  0.2+  0.2-    110212 291  0.2-  0.1-    200621 C51  0.1-  0.7+
110203 F65  0.1-  0.0     110213 291  0.1-  0.2-    200621 C51  0.3+  0.1-
110203 F65  0.0   0.0     110213 291  0.1+  0.1+    200621 C51  0.1-  0.0
110203 F65  0.3+  0.1-    110213 291  0.4-  0.1+    200621 C51  0.1+  0.2-
110203 F65  0.3-  0.0     110222 291  0.5-  0.3+    200621 C51  0.1+  0.3+
110205 291  0.4-  0.3+    110222 291  1.4+  0.3-    200621 C51  0.3+  0.1+
110205 291  1.0+  0.6-    110223 291  0.5-  0.1-    200621 C51  0.1+  0.1+
110205 291  0.2-  0.3+    110223 291  0.8+  0.3+    200621 C51  0.1-  0.2+
110205 G96  0.5-  0.5-    110223 291  0.7-  0.5-    200621 C51  0.1-  0.4+
110205 G96  0.0   0.0     110301 291  0.1+  0.4+    200621 C51  0.1+  0.1+
110205 G96  0.6-  0.1-    110301 291  1.4-  0.4+    200621 C51  0.2-  0.6+
110206 291  0.1-  0.1+    110301 291  0.8-  0.5+    200621 C51  0.4+  0.1+
110206 291  0.4-  0.5-    110304 291  0.9+  0.9+    200622 C51  0.4-  0.7-
110206 291  0.2-  0.6+    110304 291  0.2-  0.0     200622 C51  0.1-  0.0
110207 291  0.1-  0.3+    110304 291  0.3+  0.3+    200622 C51  0.4-  0.2-
110207 291  0.3-  0.1+    200620 C51  0.2+  0.2-    200625 954  0.1-  0.6-
110207 291  0.1-  0.2-    200620 C51  0.2+  0.0     200625 954  0.3-  0.2-
110209 291  1.4+  1.0-    200620 C51  0.2+  0.3-    200625 954  0.4-  0.2-
110209 291  0.1-  0.2-    200620 C51  0.1-  0.3-
110209 291  0.6+  0.3-    200620 C51  0.3+  0.1-

Ephemeris:
2011 CN2                 a,e,i = 2.24, 0.62, 20                  q = 0.8509
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 05 27    22 24 35.0 -24 47 51   0.8542  1.4019    96.9    45.8    20.8
...
2020 06 11    23 20 34.9 -15 08 35   0.6696  1.2661    95.2    53.0    20.3
...
2020 06 19    23 55 07.0 -07 44 04   0.5925  1.1949    92.1    58.2    20.0
...
2020 06 25    00 23 48.7 -01 00 26   0.5481  1.1428    88.6    62.8    19.9
2020 06 26    00 28 51.5 +00 12 18   0.5421  1.1342    87.9    63.6    19.9
2020 06 27    00 33 59.0 +01 26 24   0.5364  1.1257    87.2    64.4    19.9
...
2020 07 03    01 06 29.7 +09 13 52   0.5112  1.0760    82.4    69.5    19.8
...
2020 07 11    01 54 45.1 +19 53 53   0.5033  1.0139    75.3    76.0    19.9
...
2020 07 26    03 37 57.9 +35 48 01   0.5630  0.9172    63.7    83.0    20.2

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-M109




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