[Iaude] MPEC K22: 2021 KD [a=1.12,e=0.10,i=26.0,H=21.7,PHA]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon May 17 21:02:30 EDT 2021


M.P.E.C. 2021-K22                                  Issued 2021 May 18, 01:01 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 KD                                     


Observations:
     K21K00D  C2021 04 13.60858918 23 09.669+31 25 25.05         21.77wUEK022F52
     K21K00D  C2021 04 13.61708818 23 10.521+31 25 20.34         21.79wUEK022F52
     K21K00D  C2021 04 13.62559318 23 11.437+31 25 15.11         21.44wUEK022F52
     K21K00D  C2021 04 14.55528718 25 00.344+31 15 50.00         21.60GVEK022F52
     K21K00D  C2021 04 14.56773318 25 01.688+31 15 42.62         22.02GVEK022F52
     K21K00D  C2021 04 14.58024118 25 03.009+31 15 35.13         21.90GVEK022F52
     K21K00D  C2021 04 14.59286318 25 04.357+31 15 27.42         21.55GVEK022F52
     K21K00D  C2021 04 17.40714 18 30 37.22 +30 42 38.1          21.2 GVEK022G96
     K21K00D  C2021 04 17.41339 18 30 37.89 +30 42 33.7          21.4 GVEK022G96
     K21K00D  C2021 04 17.41968 18 30 38.64 +30 42 28.8                VEK022G96
     K21K00D* C2021 05 16.55676520 02 27.29 +06 24 01.7          19.33cVEK022T05
     K21K00D  C2021 05 16.56593520 02 30.38 +06 22 42.2          19.47cVEK022T05
     K21K00D  C2021 05 16.56963020 02 31.71 +06 22 11.4          19.39cVEK022T05
     K21K00D  C2021 05 16.58247520 02 36.02 +06 20 20.8          19.25cVEK022T05
     K21K00D KC2021 05 17.42082 20 07 55.25 +04 13 44.2          19.2 GVEK022291
     K21K00D KC2021 05 17.42172 20 07 55.58 +04 13 35.6          19.3 GVEK022291
     K21K00D KC2021 05 17.42332 20 07 56.16 +04 13 20.7          19.4 GVEK022291
     K21K00D  C2021 05 17.87709520 10 57.89 +03 00 24.4          19.3 rVEK022N51
     K21K00D  C2021 05 17.88306720 11 00.19 +02 59 25.4          19.3 rVEK022N51
     K21K00D KC2021 05 17.97987520 11 40.77 +02 43 10.5          19.3 GVEK022L01
     K21K00D KC2021 05 17.98194520 11 41.59 +02 42 50.0          19.4 GVEK022L01
     K21K00D IC2021 05 17.98297120 11 42.00 +02 42 40.0          19.3 GVEK022L01
     K21K00D KC2021 05 17.98607020 11 43.25 +02 42 08.6          19.4 GVEK022L01
     K21K00D KC2021 05 17.99772320 11 47.89 +02 40 12.9          19.2 GVEK022L01
     K21K00D KC2021 05 17.99979920 11 48.73 +02 39 52.3          19.2 GVEK022L01
     K21K00D KC2021 05 18.02053320 11 57.12 +02 36 18.9          18.7 GVEK022J95
     K21K00D KC2021 05 18.02359620 11 58.39 +02 35 48.6          19.1 GVEK022J95

Observer details:
291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Dukes, T. Lowe, A.
    Schultz, M. Willman, K. Chambers, I. Smith.  Measurers K. Chambers, S.
    Chastel, T. de Boer, L. Denneau, J. Fairlamb, H. Flewelling, M. Huber,
    C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m
    Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  Measurers E. J.
    Christensen, B. Gray, D. Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
N51 GROWTH India Telescope, IAO, Hanle.  Observers K. Sharma, H. Kumar, S.
    Joharle, R. Norbu, V. Bhalerao, G. C. Anupama, S. Barway.  Measurer K.
    Sharma.  0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, J. Tonry, A. Heinze, H.
    Weiland.  Measurers L. Denneau, J. Tonry, A. Heinze, H. Weiland, A.
    Fitzsimmons, J. Robinson, N. Erasmus.  0.5-m reflector + CCD.

Orbital elements:
2021 KD                                             PHA, Earth MOID = 0.0305 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 182.83599              (2000.0)            P               Q                  
n   0.83192356     Peri.  235.47252     +0.45917334     +0.79128720             
a   1.1196452      Node    66.94309     -0.60069205     +0.61141510             
e   0.1038169      Incl.   26.02844     -0.65446841     -0.00601130             
P   1.18           H   21.75          G   0.15           U   7                  
Residuals in seconds of arc
210413 F52  0.3+  0.0     210417 G96  0.2+  0.1-    210517 N51  0.5-  0.4+
210413 F52  0.2-  0.1+    210516 T05  0.1+  0.4-    210517 L01  0.3-  0.2-
210413 F52  0.2+  0.2-    210516 T05  0.3-  0.8-    210517 L01  0.4-  0.0
210414 F52  0.3-  0.1+    210516 T05  0.9+  0.3+    210517 L01  0.4-  0.1+
210414 F52  0.0   0.1+    210516 T05  0.1+  0.9+    210517 L01  0.2-  0.4-
210414 F52  0.0   0.0     210517 291  0.1+  0.3-    210517 L01  0.1-  0.1-
210414 F52  0.2+  0.1-    210517 291  0.1+  0.3-    210517 L01  0.1+  0.0
210417 G96  0.3-  0.0     210517 291  0.1-  0.2-    210518 J95  0.5-  0.2-
210417 G96  0.6-  0.2+    210517 N51  0.7-  0.6+    210518 J95  0.1+  0.0

Ephemeris:
2021 KD                  a,e,i = 1.12, 0.10, 26                  q = 1.0034
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 18    18 31 47.3 +30 34 55   0.3183  1.1026    99.6    63.9    21.7
...
2021 05 03    19 06 47.3 +24 29 25   0.2108  1.0775   103.7    65.4    20.8
...
2021 05 11    19 34 20.0 +16 38 11   0.1546  1.0646   106.7    65.3    20.1
...
2021 05 17    20 05 10.6 +05 19 11   0.1170  1.0555   109.1    64.8    19.5
2021 05 18    20 11 45.5 +02 40 52   0.1116  1.0540   109.5    64.8    19.4
2021 05 19    20 18 53.9 -00 13 40   0.1065  1.0525   109.8    64.8    19.3
...
2021 05 25    21 18 06.9 -23 28 41   0.08646 1.0440   108.8    66.7    18.9
...
2021 06 02    23 45 08.4 -53 40 49   0.09892 1.0335    98.5    76.0    19.5
...
2021 06 17    03 52 59.4 -58 45 35   0.1884  1.0175    85.1    84.2    21.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K22




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