[Iaude] MPEC Y38: 2020 YL [a=2.50,e=0.59,i=2.2,H=26.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 18 03:23:00 EST 2020


M.P.E.C. 2020-Y38                             Issued 2020 December 18, 08:21 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 YL                                     


Observations:
     K20Y00L* C2020 12 17.25377403 26 20.70 +32 20 56.6          20.30GVEY038G96
     K20Y00L  C2020 12 17.25890803 26 29.77 +32 21 12.2          20.56GVEY038G96
     K20Y00L  C2020 12 17.26403803 26 38.88 +32 21 27.4          20.44GVEY038G96
     K20Y00L  C2020 12 17.26915703 26 48.07 +32 21 42.4          20.51GVEY038G96
     K20Y00L KC2020 12 17.28998303 27 25.27 +32 22 42.0          20.39GVEY038I52
     K20Y00L KC2020 12 17.29145803 27 27.93 +32 22 45.4          19.98GVEY038I52
     K20Y00L KC2020 12 17.29293403 27 30.55 +32 22 50.0          20.45GVEY038I52
     K20Y00L KC2020 12 17.29441003 27 33.21 +32 22 55.1          19.70GVEY038I52
     K20Y00L KC2020 12 17.36624403 29 43.70 +32 26 00.7          19.92GVEY038I52
     K20Y00L KC2020 12 17.36772403 29 46.38 +32 26 04.2          20.29GVEY038I52
     K20Y00L KC2020 12 17.36920203 29 49.10 +32 26 08.0          20.21GVEY038I52
     K20Y00L KC2020 12 17.37068003 29 51.87 +32 26 12.0          20.36GVEY038I52
     K20Y00L 1C2020 12 17.75448 03 42 44.14 +32 42 36.9          21.2 VVEY038033
     K20Y00L 1C2020 12 17.75523 03 42 45.59 +32 42 39.1          21.1 VVEY038033
     K20Y00L 1C2020 12 17.75598 03 42 47.01 +32 42 40.8          21.1 VVEY038033
     K20Y00L KC2020 12 17.92462 03 48 12.76 +32 49 47.8          20.2 GVEY038204
     K20Y00L KC2020 12 17.93509 03 48 33.04 +32 50 08.2                VEY038204
     K20Y00L KC2020 12 18.08753503 53 55.73 +32 55 21.1          20.4 VuEY038H21
     K20Y00L KC2020 12 18.09190403 54 04.35 +32 55 30.2          20.4 VuEY038H21
     K20Y00L KC2020 12 18.09598403 54 12.35 +32 55 39.0          20.4 VuEY038H21
     K20Y00L KC2020 12 18.09899603 54 18.27 +32 55 45.0          20.6 VuEY038H21

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
    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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.76-m f/3.0
    astrograph + 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 YL                                                  Earth MOID = 0.0296 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M   0.07284              (2000.0)            P               Q                  
n   0.24958648     Peri.  168.41797     +0.10541278     -0.99366334             
a   2.4983619      Node   275.52223     +0.90921234     +0.11219150             
e   0.5946499      Incl.    2.24577     +0.40276677     +0.00680027             
P   3.95           H   26.73          G   0.15           U   7                  
Residuals in seconds of arc
201217 G96  0.3+  0.1-    201217 I52  0.6+  0.0+    201217 204  0.2+  0.2+
201217 G96  0.4-  0.1+    201217 I52  0.1+  0.1-    201218 H21  0.4-  0.0-
201217 G96  0.5-  0.1+    201217 I52  0.0+  0.1+    201218 H21  0.4-  0.0-
201217 G96  0.4+  0.1+    201217 I52  0.5+  0.6+    201218 H21  0.1+  0.1-
201217 I52  0.5+  0.0+    201217 033  0.1+  0.3-    201218 H21  0.1+  0.1-
201217 I52  0.7+  0.7-    201217 033  0.1+  0.2-    201218 H21  0.1+  0.3+
201217 I52  0.4+  0.2-    201217 033  0.3-  0.6-    201218 H21  0.2+  0.1+
201217 I52  0.5+  0.8+    201217 204  0.2-  0.0-    201218 H21  0.2+  0.1+

Ephemeris:
2020 YL                  a,e,i = 2.50, 0.59, 2                   q = 1.0127
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 18    00 01 14.9 +13 58 14   0.1368  1.0797   128.9    45.4    24.3
...
2020 12 03    00 25 50.5 +18 04 59   0.07864 1.0286   121.1    55.1    23.3
...
2020 12 11    01 20 07.4 +24 25 55   0.04971 1.0155   127.2    50.6    22.1
...
2020 12 17    03 18 34.0 +32 06 40   0.03364 1.0127   147.8    31.1    20.7
2020 12 18    03 50 47.1 +32 53 20   0.03214 1.0129   153.5    25.7    20.5
2020 12 19    04 26 06.4 +33 08 06   0.03116 1.0132   159.6    19.8    20.2
...
2020 12 25    07 36 17.3 +23 17 37   0.03695 1.0186   161.3    18.1    20.5
...
2021 01 02    09 12 05.4 +10 48 50   0.06310 1.0350   144.0    33.9    22.2
...
2021 01 17    09 51 34.8 +04 16 35   0.1256  1.0915   147.3    29.1    23.7

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y38




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