[Iaude] MPEC Y21: 2020 YA [a=2.05,e=0.52,i=4.0,H=25.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 16 20:05:21 EST 2020


M.P.E.C. 2020-Y21                             Issued 2020 December 17, 01:04 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

                                    2020 YA                                     


Observations:
     K20Y00A  C2020 12 05.39130 04 32 24.11 +11 27 57.6          21.0 GVEY021G96
     K20Y00A  C2020 12 05.39641 04 32 26.53 +11 28 15.0          21.0 GVEY021G96
     K20Y00A  C2020 12 05.40153 04 32 28.96 +11 28 32.9          21.0 GVEY021G96
     K20Y00A  C2020 12 05.40665 04 32 31.35 +11 28 50.4          21.0 GVEY021G96
     K20Y00A* C2020 12 16.37444908 48 49.94 +27 51 55.2          19.40GVEY021G96
     K20Y00A  C2020 12 16.37965908 49 02.01 +27 52 01.7          19.42GVEY021G96
     K20Y00A  C2020 12 16.38487708 49 14.05 +27 52 08.1          19.67GVEY021G96
     K20Y00A  C2020 12 16.39009908 49 26.12 +27 52 14.6          19.58GVEY021G96
     K20Y00A KC2020 12 16.41725808 50 28.63 +27 52 44.3          19.19GVEY021I52
     K20Y00A KC2020 12 16.41778208 50 29.86 +27 52 44.9          18.98GVEY021I52
     K20Y00A KC2020 12 16.41830908 50 31.06 +27 52 45.3          18.93GVEY021I52
     K20Y00A KC2020 12 16.41883808 50 32.33 +27 52 44.8          19.16GVEY021I52
     K20Y00A KC2020 12 16.48062708 52 54.29 +27 53 34.0          19.15GVEY021I52
     K20Y00A KC2020 12 16.48115208 52 55.52 +27 53 33.9          19.20GVEY021I52
     K20Y00A KC2020 12 16.48167608 52 56.70 +27 53 34.3          19.20GVEY021I52
     K20Y00A KC2020 12 16.48220108 52 57.91 +27 53 34.8          19.13GVEY021I52
     K20Y00A 1C2020 12 16.95456 09 12 04.21 +27 52 26.0          20.5 VVEY021033
     K20Y00A 1C2020 12 16.95520 09 12 05.69 +27 52 26.1          20.1 VVEY021033
     K20Y00A 1C2020 12 16.95583 09 12 07.19 +27 52 26.0          20.3 VVEY021033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  Measurers D. Rankin, B. Gray,
    F. C. Shelly, 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, T.
    A. Pruyne, R. L. Seaman, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer D. C. Fuls.  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, T. A. Pruyne, D.
    Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m reflector +
    CCD.

Orbital elements:
2020 YA                                                  Earth MOID = 0.0164 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 354.36065              (2000.0)            P               Q
n   0.33466331     Peri.   25.60555     -0.29482729     -0.95306803
a   2.0546159      Node    81.60377     +0.86430481     -0.29670154
e   0.5218570      Incl.    3.98988     +0.40749731     -0.06024553
P   2.95           H   25.8           G   0.15           U   7
Residuals in seconds of arc
201205 G96  0.1-  0.2-    201216 G96  0.2+  0.2+    201216 I52  0.0   0.2+
201205 G96  0.1+  0.3-    201216 I52  0.1-  0.2+    201216 I52  0.0   0.4+
201205 G96  0.3+  0.2+    201216 I52  0.2+  0.3+    201216 033  0.1-  0.4-
201205 G96  0.3-  0.2+    201216 I52  0.1+  0.1+    201216 033  0.2-  0.2-
201216 G96  0.8-  0.1+    201216 I52  0.8+  0.9-    201216 033  0.2+  0.3-
201216 G96  0.2-  0.0     201216 I52  0.0   0.5+
201216 G96  0.2-  0.1-    201216 I52  0.3+  0.1+

Ephemeris:
2020 YA                  a,e,i = 2.05, 0.52, 4                   q = 0.9824
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 17    03 30 48.2 +04 49 44   0.1521  1.1368   165.9    12.3    22.7
...
2020 12 02    04 09 30.6 +08 49 41   0.07481 1.0585   165.7    13.3    21.1
...
2020 12 10    05 31 06.5 +17 39 56   0.04181 1.0263   172.5     7.2    19.5
...
2020 12 16    08 33 35.7 +27 43 00   0.03020 1.0074   139.6    39.3    19.8
2020 12 17    09 13 38.4 +27 54 33   0.03054 1.0047   131.8    46.9    20.0
2020 12 18    09 51 41.6 +27 25 24   0.03158 1.0022   124.4    54.1    20.3
...
2020 12 24    12 15 37.1 +19 36 58   0.04787 0.9901    96.5    80.8    22.0
...
2021 01 01    13 20 44.7 +13 04 01   0.07934 0.9826    87.2    88.1    23.4
...
2021 01 16    13 59 50.9 +08 25 04   0.1398  0.9959    91.0    81.0    24.3

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y21




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