[Iaude] MPEC Y64: 2021 YM [a=2.57,e=0.78,i=10.1,H=18.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 28 14:42:51 EST 2021


M.P.E.C. 2021-Y64                             Issued 2021 December 28, 19:41 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 YM                                     


Observations:
     K21Y00M* C2021 12 26.24614800 14 01.37 +52 58 39.0          17.35oVEY064T08
     K21Y00M  C2021 12 26.25217700 14 10.71 +52 58 47.2          17.09oVEY064T08
     K21Y00M  C2021 12 26.26331400 14 28.04 +52 59 03.2          16.91oVEY064T08
     K21Y00M mC2021 12 27.06379200 35 09.09 +53 11 58.2          17.42GVEY064I52
     K21Y00M mC2021 12 27.06409600 35 09.52 +53 11 58.4          17.38GVEY064I52
     K21Y00M mC2021 12 27.06440000 35 09.97 +53 11 58.5          17.54GVEY064I52
     K21Y00M  C2021 12 27.49835700 45 55.54 +53 13 18.5          17.5 GVEY064900
     K21Y00M  C2021 12 27.50312200 46 02.46 +53 13 17.6          17.5 GVEY064900
     K21Y00M  C2021 12 27.50788500 46 09.36 +53 13 16.9          17.6 GVEY064900
     K21Y00M  C2021 12 27.58324 00 47 58.95 +53 13 00.4          17.9 RrEY064P93
     K21Y00M  C2021 12 27.58396 00 47 59.87 +53 12 58.8          17.5 RrEY064P93
     K21Y00M  C2021 12 27.58467 00 48 00.90 +53 12 58.9          17.5 RrEY064P93
     K21Y00M 1C2021 12 27.69420100 50 44.63 +53 12 44.7                VEY064246
     K21Y00M 1C2021 12 27.69431100 50 44.72 +53 12 44.9                VEY064246
     K21Y00M 1C2021 12 27.69442200 50 44.96 +53 12 44.8                VEY064246
     K21Y00M 1C2021 12 27.69464200 50 45.30 +53 12 44.2                VEY064246
     K21Y00M KC2021 12 27.73344900 51 41.26 +53 12 37.3          17.5 GVEY064C95
     K21Y00M KC2021 12 27.73658600 51 45.73 +53 12 36.1          17.2 GVEY064C95
     K21Y00M KC2021 12 27.73970500 51 50.21 +53 12 35.1          16.8 GVEY064C95
     K21Y00M KC2021 12 27.74284700 51 54.67 +53 12 34.2          17.1 GVEY064C95
     K21Y00M KC2021 12 27.81439 00 53 36.74 +53 12 11.0          16.1 GXEY064J57
     K21Y00M KC2021 12 27.81698 00 53 40.41 +53 12 10.0          16.0 GXEY064J57
     K21Y00M KC2021 12 27.81978 00 53 44.38 +53 12 09.2          16.3 GXEY064J57
     K21Y00M 1C2021 12 27.82511 00 53 51.53 +53 11 56.9          18.1 VVEY064033
     K21Y00M 1C2021 12 27.82540 00 53 51.96 +53 11 57.2          18.1 VVEY064033
     K21Y00M 1C2021 12 27.82568 00 53 52.32 +53 11 57.0          18.1 VVEY064033
     K21Y00M 1C2021 12 27.82601 00 53 52.80 +53 11 56.5          18.1 VVEY064033
     K21Y00M 1C2021 12 27.82634 00 53 53.28 +53 11 56.3          18.2 VVEY064033
     K21Y00M *C2021 12 27.83997 00 54 13.83 +53 12 09.3          17.4 GVEY064G40
     K21Y00M *C2021 12 27.84772 00 54 24.72 +53 12 05.8          17.2 GVEY064G40
     K21Y00M *C2021 12 27.85191 00 54 30.58 +53 12 03.9          17.1 GVEY064G40
     K21Y00M  C2021 12 28.68511 01 13 48.02 +53 00 16.5          17.2 GXEY064G02
     K21Y00M  C2021 12 28.68949 01 13 53.90 +53 00 12.0          17.3 GXEY064G02
     K21Y00M  C2021 12 28.69509 01 14 01.32 +53 00 05.4          17.0 GXEY064G02
     K21Y00M KC2021 12 28.73632 01 14 56.53 +52 59 19.8          16.9 RVEY064B74
     K21Y00M KC2021 12 28.74332 01 15 05.73 +52 59 10.9          16.8 RVEY064B74
     K21Y00M KC2021 12 28.74962 01 15 14.06 +52 59 03.9          17.0 RVEY064B74

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
    f/3 Schmidt + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Honkova.
    Measurer M. Tichy.  1.06-m f/2.7 reflector + 2048x2048 CCD.
900 Moriyama.  Observer Y. Ikari.  0.26-m f/7.0 reflector + CCD.
B74 Santa Maria de Montmagastrell.  Observer J. M. Bosch.  0.40-m f/10
    Schmidt-Cassegrain.
C95 SATINO Remote Observatory, Haute Provence.  Observer J. Jahn.  0.60-m
    f/3.2 Newtonian reflector + CCD.
G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.  0.40-m
    f/5.5 Corrected Dall-Kirkham + CCD.
G40 Slooh.com Canary Islands Observatory.  Observer M. Suzuki.  0.43-m f/6.8
    Corrected Dall-Kirkham + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  Measurers
    E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
    H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.
J57 Centro Astronomico Alto Turia, Valencia.  Observer A. Fornas.  Measurers
    A. Fornas, G. Fornas, E. Arce, V. Mas.  0.43-m f/6.8 reflector + CCD.
P93 Space Tracking and Communications Center, JAXA.  Observers S. Okumura, S.
    Urakawa.  1.0-m f/3.0 reflector + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, R. Siverd, J. Tonry, H.
    Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
    J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m reflector + CCD.

Orbital elements:
2021 YM                                                  Earth MOID = 0.1454 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M  18.00862              (2000.0)            P               Q                  
n   0.23991502     Peri.   33.69946     +0.98616131     +0.11961922             
a   2.5650614      Node   318.94479     -0.16194718     +0.84323192             
e   0.7808810      Incl.   10.06573     +0.03548213     +0.52407172             
P   4.11           H   18.62          G   0.15           U   9                  
Residuals in seconds of arc
211226 T08  0.1+  0.3+    211227 246  0.7-  0.5+    211227 033  0.2-  0.2-
211226 T08  0.2-  0.2-    211227 246  0.0   0.4+    211227 033  0.1-  0.2-
211226 T08  0.1+  0.0     211227 246  0.3+  0.1-    211227 G40  0.5+  0.0
211227 I52  0.0   0.1+    211227 C95  0.1-  0.1+    211227 G40  0.0   0.0
211227 I52  0.1-  0.1+    211227 C95  0.1-  0.1-    211227 G40  0.4-  0.0
211227 I52  0.1-  0.1+    211227 C95  0.2+  0.2-    211228 G02  0.5-  1.0-
211227 900  1.3+  0.0     211227 C95  0.0   0.2-    211228 G02  0.3+  0.3-
211227 900  1.3+  0.2-    211227 J57  0.1+  0.3-    211228 G02  0.6+  0.3-
211227 900  1.1+  0.1-    211227 J57  0.0   0.2-    211228 B74  0.3-  0.1+
211227 P93  0.8+  0.1+    211227 J57  0.1+  0.2+    211228 B74  0.1-  0.3-
211227 P93  0.3-  1.3-    211227 033  0.1-  0.2-    211228 B74  0.4+  0.5+
211227 P93  0.3-  1.0-    211227 033  0.0   0.2+
211227 246  0.1-  0.3+    211227 033  0.3-  0.2+

Ephemeris:
2021 YM                  a,e,i = 2.57, 0.78, 10                  q = 0.5621
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 28    18 25 29.4 -05 31 30   0.4005  0.6991    35.3   125.4    21.1
...
2021 12 13    19 50 25.8 +20 48 34   0.2157  0.8863    57.2   111.0    19.3
...
2021 12 21    21 56 50.5 +44 52 12   0.1837  0.9932    87.6    81.7    17.8
...
2021 12 27    00 33 31.0 +53 11 11   0.2094  1.0736   110.1    59.3    17.5
2021 12 28    00 58 01.6 +53 10 33   0.2173  1.0870   113.0    56.4    17.5
2021 12 29    01 20 41.9 +52 53 17   0.2260  1.1004   115.7    53.7    17.6
...
2022 01 04    02 57 06.9 +48 23 31   0.2913  1.1799   126.4    42.1    17.9
...
2022 01 12    03 59 38.9 +42 03 35   0.4010  1.2841   131.3    35.1    18.6
...
2022 01 27    04 52 29.2 +34 51 58   0.6445  1.4726   128.1    31.7    19.9

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y64




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