[Iaude] MPEC Y27: 2020 YD [a=1.78,e=0.44,i=2.4,H=25.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 17 14:19:56 EST 2020


M.P.E.C. 2020-Y27                             Issued 2020 December 17, 19:18 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 YD                                     


Observations:
     K20Y00D* C2020 12 16.16178701 51 31.57 +25 32 48.9          20.87GVEY027G96
     K20Y00D  C2020 12 16.17237901 51 41.06 +25 33 12.0          21.06GVEY027G96
     K20Y00D  C2020 12 16.17765001 51 45.73 +25 33 23.3          20.90GVEY027G96
     K20Y00D KC2020 12 16.28491701 53 21.92 +25 37 03.4          20.76GVEY027I52
     K20Y00D KC2020 12 16.28744001 53 24.19 +25 37 08.8          20.73GVEY027I52
     K20Y00D KC2020 12 16.28996201 53 26.49 +25 37 13.8          20.21GVEY027I52
     K20Y00D KC2020 12 16.29248501 53 28.78 +25 37 18.5          20.89GVEY027I52
     K20Y00D 1C2020 12 16.69330 01 59 56.19 +25 50 49.4          21.1 VVEY027033
     K20Y00D 1C2020 12 16.69463 01 59 57.36 +25 50 52.2          20.7 VVEY027033
     K20Y00D 1C2020 12 16.96556 02 04 03.90 +25 59 40.5          22.0 VVEY027033
     K20Y00D 1C2020 12 16.96683 02 04 05.09 +25 59 42.8          21.7 VVEY027033
     K20Y00D 1C2020 12 16.96810 02 04 06.26 +25 59 44.7          21.9 VVEY027033
     K20Y00D KC2020 12 17.10231802 06 20.43 +26 04 50.1          19.84GVEY027I52
     K20Y00D KC2020 12 17.10687702 06 24.46 +26 04 58.7          20.61GVEY027I52
     K20Y00D KC2020 12 17.10855502 06 25.95 +26 05 01.9          20.13GVEY027I52
     K20Y00D KC2020 12 17.11023302 06 27.46 +26 05 05.3          20.58GVEY027I52
     K20Y00D KC2020 12 17.13417 02 06 46.91 +26 05 37.2          20.7 GVEY027H36
     K20Y00D KC2020 12 17.15424 02 07 04.98 +26 06 13.4          20.6 GVEY027H36
     K20Y00D KC2020 12 17.17428 02 07 23.05 +26 06 48.8          20.9 GVEY027H36
     K20Y00D 1C2020 12 17.78890 02 17 06.40 +26 23 57.5          21.3 VVEY027033
     K20Y00D 1C2020 12 17.79023 02 17 07.58 +26 23 59.8          21.8 VVEY027033
     K20Y00D 1C2020 12 17.79156 02 17 08.80 +26 24 02.1          22.2 VVEY027033

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 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.  1.5-m reflector + 10K CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + 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 YD                                                  Earth MOID = 0.0328 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M   8.53071              (2000.0)            P               Q
n   0.41502466     Peri.  136.23612     +0.51791925     -0.85441970
a   1.7800005      Node   282.53010     +0.77266456     +0.48810162
e   0.4352900      Incl.    2.43962     +0.36708190     +0.17811170
P   2.37           H   25.1           G   0.15           U   7
Residuals in seconds of arc
201216 G96  0.7-  0.4+    201216 033  0.1-  0.1+    201217 H36  0.1+  0.4-
201216 G96  0.3+  0.3+    201216 033  0.6-  0.1+    201217 H36  0.6+  0.3-
201216 G96  0.1+  0.2+    201216 033  0.4-  0.2+    201217 H36  1.1+  0.0
201216 I52  0.2+  0.6-    201216 033  0.4-  0.1-    201217 033  0.1+  0.0
201216 I52  0.0   0.1-    201217 I52  0.5+  0.2+    201217 033  0.2-  0.1+
201216 I52  0.1+  0.0     201217 I52  0.3-  0.1-    201217 033  0.0   0.3+
201216 I52  0.1+  0.3-    201217 I52  0.5-  0.2-
201216 033  0.5+  0.2+    201217 I52  0.4-  0.0

Ephemeris:
2020 YD                  a,e,i = 1.78, 0.44, 2                   q = 1.0052
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 17    21 50 39.9 +03 42 12   0.1295  1.0108    96.1    76.6    23.4
...
2020 12 02    23 03 17.5 +12 36 26   0.08803 1.0071   101.5    73.6    22.4
...
2020 12 10    00 22 48.2 +20 16 03   0.07255 1.0168   114.3    62.0    21.6
...
2020 12 16    01 48 59.8 +25 26 57   0.06916 1.0291   128.9    48.1    21.2
2020 12 17    02 04 40.5 +26 01 52   0.06952 1.0315   131.5    45.6    21.1
2020 12 18    02 20 23.1 +26 30 15   0.07015 1.0341   134.1    43.1    21.1
...
2020 12 24    03 47 51.5 +27 08 45   0.07954 1.0516   147.7    30.0    21.0
...
2021 01 01    05 09 17.6 +24 46 13   0.1042  1.0806   157.9    20.0    21.4
...
2021 01 16    06 23 02.7 +20 29 20   0.1745  1.1487   159.4    17.5    22.5

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y27




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