[Iaude] MPEC Y25: 2020 YB [a=0.93,e=0.17,i=1.2,H=29.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 17 14:17:52 EST 2020


M.P.E.C. 2020-Y25                             Issued 2020 December 17, 19:16 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 YB                                     


Observations:
     K20Y00B* C2020 12 16.26947905 53 27.15 +27 00 41.6          20.49GVEY025G96
     K20Y00B  C2020 12 16.27465005 53 20.64 +27 01 17.3          20.23GVEY025G96
     K20Y00B  C2020 12 16.28501505 53 07.52 +27 02 28.2          20.18GVEY025G96
     K20Y00B KC2020 12 16.37951205 51 05.07 +27 12 39.3          19.77GVEY025I52
     K20Y00B KC2020 12 16.38074605 51 03.47 +27 12 46.8          19.91GVEY025I52
     K20Y00B KC2020 12 16.38198005 51 01.85 +27 12 54.2          19.43GVEY025I52
     K20Y00B KC2020 12 16.38321305 51 00.24 +27 13 01.8          19.57GVEY025I52
     K20Y00B KC2020 12 16.88388 05 41 37.95 +28 10 14.9          20.2 GVEY025595
     K20Y00B IC2020 12 16.89549 05 41 20.49 +28 11 50.6          19.8 GVEY025595
     K20Y00B KC2020 12 16.89873 05 40 33.90 +28 11 34.2          20.3 GVEY025N88
     K20Y00B KC2020 12 16.89935 05 40 32.90 +28 11 38.3          19.5 GVEY025N88
     K20Y00B 1C2020 12 16.94333 05 40 07.46 +28 17 18.4          21.1 VVEY025033
     K20Y00B 1C2020 12 16.94415 05 40 06.23 +28 17 24.7          20.8 VVEY025033
     K20Y00B 1C2020 12 16.94497 05 40 04.93 +28 17 31.2          21.9 VVEY025033
     K20Y00B 1C2020 12 16.94578 05 40 03.69 +28 17 37.8          21.6 VVEY025033
     K20Y00B 1C2020 12 16.94660 05 40 02.44 +28 17 44.3          20.8 VVEY025033
     K20Y00B KC2020 12 17.09814105 36 10.26 +28 36 54.3                VEY025J95
     K20Y00B KC2020 12 17.10247205 36 03.36 +28 37 25.5          19.5 GVEY025J95
     K20Y00B KC2020 12 17.11000005 35 51.35 +28 38 19.8          19.2 GVEY025J95
     K20Y00B KC2020 12 17.16596505 35 21.31 +28 48 36.6          19.8 VqEY025858
     K20Y00B KC2020 12 17.17152905 35 12.05 +28 49 29.0          19.6 VqEY025858
     K20Y00B KC2020 12 17.17532405 35 09.21 +28 50 18.6          19.64GVEY025I52
     K20Y00B KC2020 12 17.17708305 35 02.75 +28 50 21.2          19.8 VqEY025858
     K20Y00B KC2020 12 17.17828205 35 04.26 +28 50 46.6          19.58GVEY025I52
     K20Y00B KC2020 12 17.28645 05 31 42.18 +29 05 47.3          20.0 GVEY025H36
     K20Y00B KC2020 12 17.30116 05 31 15.51 +29 07 45.6          20.2 GVEY025H36
     K20Y00B KC2020 12 17.30851 05 31 02.17 +29 08 43.9          19.9 GVEY025H36
     K20Y00B  C2020 12 17.31930305 30 52.94 +29 11 45.8          20.03GVEY025G96
     K20Y00B  C2020 12 17.32474905 30 42.75 +29 12 31.4          19.65GVEY025G96
     K20Y00B  C2020 12 17.33016505 30 32.65 +29 13 15.1          19.74GVEY025G96
     K20Y00B  C2020 12 17.33560005 30 22.56 +29 13 59.4          19.71GVEY025G96
     K20Y00B 1C2020 12 17.75726 05 18 59.59 +30 10 43.3          20.3 VVEY025033
     K20Y00B 1C2020 12 17.75789 05 18 58.33 +30 10 50.4          19.7 VVEY025033
     K20Y00B 1C2020 12 17.75853 05 18 57.09 +30 10 57.2          20.5 VVEY025033
     K20Y00B 1C2020 12 17.75922 05 18 55.70 +30 11 05.0          20.2 VVEY025033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
595 Farra d'Isonzo.  Observers L. Bittesini, F. Bressan, E. Pettarin.
    Measurer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + 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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
    0.6-m f/8 Ritchey-Chretien + CCD.

Orbital elements:
2020 YB                                                  Earth MOID = 0.0028 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M 251.79459              (2000.0)            P               Q
n   1.10648678     Peri.  128.55484     -0.86103166     +0.50816267
a   0.9257745      Node    81.99496     -0.47260892     -0.78513134
e   0.1703104      Incl.    1.15027     -0.18779054     -0.35403317
P   0.89           H   29.2           G   0.15           U   6
Residuals in seconds of arc
201216 G96  0.4-  0.0     201216 033  0.3+  0.2-    201217 H36  0.4-  0.5+
201216 G96  0.1-  0.1-    201216 033  0.2-  0.1-    201217 H36  0.3-  0.3+
201216 G96  0.3+  0.3-    201216 033  0.1-  0.1+    201217 H36  0.1-  0.2+
201216 I52  0.1+  0.0     201216 033  0.1+  0.1+    201217 G96  0.9+  0.1-
201216 I52  0.2+  0.1-    201217 J95  0.1-  0.0     201217 G96  0.1+  0.6+
201216 I52  0.0   0.2-    201217 J95  0.1+  0.2-    201217 G96  0.0   0.1-
201216 I52  0.0   0.1-    201217 J95  0.3+  0.1-    201217 G96  0.6+  0.0
201216 595  0.2-  0.3+    201217 858  0.1-  0.2+    201217 033  0.1-  0.5-
201216 595  0.3+  0.6+    201217 858  0.2-  0.4+    201217 033  0.3-  0.2-
201216 N88  0.2-  0.1+    201217 I52  0.1+  0.0     201217 033  0.1+  0.3-
201216 N88  1.4-  0.1+    201217 858  0.2-  0.6+    201217 033  0.3-  0.0
201216 033  0.1-  0.0     201217 I52  0.1-  0.1-

Ephemeris:
2020 YB                  a,e,i = 0.93, 0.17, 1                   q = 0.7681
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 17    06 53 07.6 +18 00 14   0.09855 1.0572   132.0    44.1    26.0
...
2020 12 02    06 55 16.2 +18 52 11   0.05371 1.0312   146.7    31.7    24.3
...
2020 12 10    06 42 06.7 +21 03 28   0.03134 1.0140   158.2    21.2    22.7
...
2020 12 16    05 57 42.4 +26 33 27   0.01555 0.9996   173.9     6.0    20.6
2020 12 17    05 38 47.4 +28 28 49   0.01310 0.9971   174.9     5.1    20.2
2020 12 18    05 10 18.9 +30 56 52   0.01078 0.9946   169.4    10.5    20.0
...
2020 12 24    21 29 37.6 +07 20 19   0.0093040.9786    57.6   122.0    24.0
...
2021 01 01    19 54 30.9 -09 47 14   0.02923 0.9561    21.1   158.2    31.8
...
2021 01 16    19 28 30.2 -14 35 58   0.07297 0.9116     8.3   171.0

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y25




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