[Iaude] MPEC E115: 2021 CO10 [a=19.31,e=0.60,i=14.2,H=13.04]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Mar 7 15:15:35 EST 2022


M.P.E.C. 2022-E115                                Issued 2022 March 7, 20:03 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

                                   2021 CO10                                    


                           Revision to MPEC 2021-D28                            

Additional Observations:
     K21C10O OC2011 11 24.39785201 36 08.68 +25 34 13.3          23.9 rVEE115568
     K21C10O OC2011 11 30.38590401 35 10.09 +25 25 36.3          24.2 rVEE115568
     K21C10O OC2011 11 30.40231601 35 09.92 +25 25 34.8          24.1 rVEE115568
     K21C10O OC2011 12 01.39764901 35 00.96 +25 24 09.2          24.4 rVEE115568
     K21C10O KC2016 02 04.26629403 56 35.426+34 37 37.39         23.96GVEE115F51
     K21C10O  C2017 08 31.61885606 35 11.131+33 24 22.42         23.02GVEE115F51
     K21C10O  C2017 08 31.62433706 35 11.293+33 24 22.71         22.65GVEE115F51
     K21C10O  C2018 12 14.60844508 09 35.975+27 11 27.45         21.79GVEE115F51
     K21C10O  C2018 12 14.62004908 09 35.798+27 11 27.87         22.01GVEE115F51
     K21C10O  C2018 12 14.63166508 09 35.624+27 11 28.13         22.29GVEE115F51
     K21C10O  C2018 12 14.64331808 09 35.460+27 11 28.49         22.27GVEE115F51
     K21C10O  C2018 12 31.42039808 04 42.499+27 19 17.23         21.91GVEE115F51
     K21C10O  C2018 12 31.43275908 04 42.233+27 19 17.69         22.18GVEE115F51
     K21C10O  C2018 12 31.44515208 04 41.988+27 19 17.66         22.54GVEE115F51
     K21C10O  C2018 12 31.45763708 04 41.727+27 19 18.33         22.11GVEE115F51
     K21C10O  C2019 01 09.36499308 01 33.051+27 22 40.26         21.88GVEE115F51
     K21C10O  C2019 01 09.37690208 01 32.783+27 22 40.52         21.72GVEE115F51
     K21C10O  C2019 01 09.38885008 01 32.519+27 22 40.66         22.18GVEE115F51
     K21C10O  C2019 01 09.40082408 01 32.250+27 22 40.86         21.94GVEE115F51
     K21C10O  C2019 11 06.62714909 30 39.675+16 46 12.38         21.76GVEE115F51
     K21C10O  C2019 11 06.63499209 30 39.764+16 46 11.62         21.44GVEE115F51
     K21C10O  C2019 12 27.48188909 32 43.014+15 59 43.23         22.00GVEE115F51
     K21C10O  C2020 01 18.38980509 27 20.652+16 05 44.56         22.52GVEE115F51
     K21C10O  C2020 01 18.40291809 27 20.409+16 05 45.08         21.46GVEE115F51
     K21C10O  C2020 01 18.41596409 27 20.179+16 05 45.44         21.70GVEE115F51
     K21C10O  C2020 01 18.42906909 27 19.932+16 05 45.69         21.71GVEE115F51
     K21C10O  C2020 01 27.53099809 24 22.674+16 10 48.81         22.35GVEE115F52
     K21C10O  C2020 01 27.54346009 24 22.422+16 10 49.37         22.06GVEE115F52
     K21C10O  C2020 01 27.55587009 24 22.152+16 10 49.63         21.67GVEE115F52
     K21C10O  C2020 01 27.56825909 24 21.890+16 10 49.82         21.68GVEE115F52
     K21C10O  C2020 01 30.51785709 23 21.349+16 12 36.91         21.85GVEE115F51
     K21C10O  C2020 01 30.55724209 23 20.505+16 12 38.38         21.63GVEE115F51
     K21C10O  C2020 03 22.25465609 08 04.493+16 28 50.10         21.99GVEE115F51
     K21C10O  C2020 03 22.26556009 08 04.387+16 28 49.91         22.51GVEE115F51
     K21C10O  C2020 03 22.27648409 08 04.272+16 28 49.94         22.27GVEE115F51
     K21C10O  C2020 03 22.28744109 08 04.150+16 28 49.68         22.59GVEE115F51
     K21C10O  C2020 04 17.29799009 06 38.158+16 10 46.13         21.83GVEE115F51
     K21C10O  C2020 04 17.31010409 06 38.183+16 10 45.48         22.17GVEE115F51
     K21C10O  C2020 04 17.32211809 06 38.237+16 10 44.43         23.00GVEE115F51
     K21C10O  C2020 04 17.33414809 06 38.266+16 10 43.52         21.60GVEE115F51
     K21C10O  C2021 04 13.25095610 22 38.638+03 55 54.21         21.51GVEE115F51
     K21C10O  C2021 04 13.26438310 22 38.525+03 55 54.10         22.27GVEE115F51
     K21C10O  C2021 04 13.27791910 22 38.399+03 55 54.56         21.83GVEE115F51
     K21C10O  C2021 04 17.36209110 22 08.637+03 57 46.16         21.89GVEE115F51
     K21C10O  C2021 04 17.37305510 22 08.560+03 57 46.13         21.75GVEE115F51
     K21C10O KC2021 04 29.28352210 21 24.380+03 59 55.32         22.09GVEE115F52
     K21C10O  C2021 05 13.26840310 21 55.012+03 55 40.74         22.08GVEE115F51
     K21C10O  C2021 05 13.28029810 21 55.060+03 55 40.23         21.92GVEE115F51
     K21C10O  C2021 05 13.29213510 21 55.156+03 55 39.92         22.12GVEE115F51
     K21C10O  C2021 05 13.30397410 21 55.186+03 55 39.40         21.96GVEE115F51
     K21C10O  C2022 01 08.61477811 52 46.291-08 38 50.75         22.18GVEE115F52
     K21C10O  C2022 01 27.52288311 51 36.723-09 04 53.10         21.94GVEE115F52
     K21C10O  C2022 01 27.53505511 51 36.630-09 04 53.63         21.86GVEE115F52
     K21C10O  C2022 01 27.54720211 51 36.529-09 04 54.41         21.58GVEE115F52
     K21C10O  C2022 01 27.55937311 51 36.433-09 04 55.35         22.50GVEE115F52
     K21C10O 1C2022 03 02.27817011 44 01.780-09 05 35.26         21.7 G EE115G37
     K21C10O 1C2022 03 02.33467011 44 00.733-09 05 32.55                EE115G37
     K21C10O 1C2022 03 02.38694011 43 59.879-09 05 30.65                EE115G37
     K21C10O  C2022 03 03.46414511 43 40.706-09 04 38.58         22.59GVEE115F52
     K21C10O  C2022 03 03.47656811 43 40.470-09 04 37.92         22.10GVEE115F52
     K21C10O  C2022 03 03.48894911 43 40.254-09 04 37.56         22.53GVEE115F52
     K21C10O  C2022 03 03.50129111 43 40.037-09 04 36.35         22.05GVEE115F52

Observer details:
568 Mauna Kea.  Observer .  Measurer S. Deen.  3.58-m Canada-France-Hawaii
    Telescope + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G37 Lowell Discovery Telescope.  Observer L. H. Wasserman.  4.3-m Lowell
    Discovery Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
111124 568 36.6- 16.1-    220303 F52  2.4-  1.8-    MPO624185   +0.21 days

Orbital elements:
2021 CO10                                                                       
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Alexandersen            
M   7.85994              (2000.0)            P               Q                  
n   0.01161525     Peri.  179.55180     -0.76138661     -0.62882564             
a  19.3100653      Node   320.02121     +0.59403554     -0.57928378             
e   0.5992654      Incl.   14.20803     +0.25963861     -0.51866041             
P  84.9            H   13.04          G   0.15           U   3                  
Residuals in seconds of arc
111124 568  0.5-  0.6+    200322 F51  0.0   0.1-    210218 807  0.1+  0.1-
111130 568  0.1-  0.3+    200322 F51  0.1+  0.2-    210409 F51  0.2+  0.0
111130 568  0.3-  0.2+    200322 F51  0.1+  0.0     210409 F51  0.1+  0.2+
111201 568  0.2+  0.0     200322 F51  0.1-  0.0     210409 F51  0.0   0.1+
160204 F51  0.1+  0.2+    200417 F51  0.1+  0.1-    210409 F51  0.1+  0.1+
170831 F51  0.2-  0.2-    200417 F51  0.1-  0.1+    210413 F51  0.0   0.2+
170831 F51  0.0   0.0     200417 F51  0.2+  0.1-    210413 F51  0.0   0.3-
181214 F51  0.1+  0.2-    200417 F51  0.2+  0.2-    210413 F51  0.1-  0.3-
181214 F51  0.0   0.1-    201220 G96  0.1+  0.5+    210417 F51  0.1+  0.3+
181214 F51  0.1-  0.2-    201223 F52  0.0   0.0     210417 F51  0.1+  0.0
181214 F51  0.0   0.1-    201223 F52  0.2+  0.1+    210429 F52  0.1-  0.1-
181231 F51  0.0   0.1-    201223 F52  0.0   0.0     210513 F51  0.0   0.0
181231 F51  0.1-  0.0     201223 F52  0.3-  0.2+    210513 F51  0.2-  0.1-
181231 F51  0.1+  0.3-    210111 F51  0.1-  0.3-    210513 F51  0.4+  0.0
181231 F51  0.0   0.0     210111 F51  0.3-  0.3+    210513 F51  0.1-  0.1-
190109 F51  0.1-  0.0     210111 F51  0.2-  0.1+    210601 695  0.1+  0.1+
190109 F51  0.1-  0.1+    210115 F52  0.1+  0.3-    210601 695  0.1+  0.0
190109 F51  0.0   0.1-    210115 F52  0.1-  0.2+    210601 695  0.1-  0.0
190109 F51  0.0   0.1-    210207 G96  0.1+  0.3+    220108 F52  0.2+  0.0
191106 F51  0.0   0.0     210207 G96  0.1+  0.4-    220127 F52  0.1-  0.1+
191106 F51  0.4-  0.1+    210207 G96  0.2+  0.1+    220127 F52  0.0   0.2+
191227 F51  0.0   0.1+    210207 F51  0.1+  0.1-    220127 F52  0.1-  0.1+
200118 F51  0.2-  0.1+    210207 F51  0.0   0.1+    220127 F52  0.0   0.2-
200118 F51  0.2-  0.2+    210207 F51  0.0   0.0     220302 G37  0.2-  0.0
200118 F51  0.0   0.2+    210207 F51  0.1-  0.1-    220302 G37  0.6-  0.1+
200118 F51  0.1+  0.0     210210 F52  0.3+  0.3+    220302 G37  0.8+  0.4-
200127 F52  0.0   0.0     210210 F52  0.4-  0.0     220303 F52  0.1+  0.0
200127 F52  0.1+  0.1+    210217 F51  0.1+  0.1+    220303 F52  0.0   0.1+
200127 F52  0.0   0.1-    210217 F51  0.0   0.1+    220303 F52  0.2+  0.2-
200127 F52  0.1-  0.3-    210217 F51  0.0   0.0     220303 F52  0.3+  0.4+
200130 F51  0.0   0.0     210218 807  0.0   0.0
200130 F51  0.1-  0.0     210218 807  0.1+  0.1-

Ephemeris:
2021 CO10                a,e,i = 19.31, 0.60, 14                 q = 7.7382
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 02 05    11 50 16.7 -09 10 28   7.6903  8.4012   133.7     4.9    22.5
...
2022 02 20    11 46 54.1 -09 11 13   7.5663  8.4284   148.9     3.5    22.4
...
2022 02 28    11 44 41.7 -09 07 13   7.5236  8.4431   156.8     2.6    22.3
...
2022 03 06    11 42 55.1 -09 02 26   7.5036  8.4542   162.4     2.0    22.3
2022 03 07    11 42 36.9 -09 01 31   7.5013  8.4560   163.2     1.9    22.3
2022 03 08    11 42 18.6 -09 00 33   7.4992  8.4579   164.1     1.8    22.3
...
2022 03 14    11 40 27.7 -08 54 03   7.4935  8.4691   168.3     1.4    22.2
...
2022 03 22    11 37 59.7 -08 43 51   7.5027  8.4841   169.5     1.2    22.2
...
2022 04 06    11 33 39.0 -08 21 48   7.5718  8.5126   158.9     2.4    22.4

M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-E115




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