[Iaude] MPEC Y87: 2020 YN2 [a=1.99,e=0.58,i=5.0,H=28.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 22 03:27:23 EST 2020


M.P.E.C. 2020-Y87                             Issued 2020 December 22, 08:26 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 YN2                                    


Observations:
     K20Y02N  C2020 12 20.23915 04 23 51.82 +02 53 22.8          21.6 GVEY087G96
     K20Y02N  C2020 12 20.24482 04 23 48.16 +02 52 37.2          21.9 GVEY087G96
     K20Y02N  C2020 12 20.25047 04 23 44.52 +02 51 52.3          21.1 GVEY087G96
     K20Y02N  C2020 12 20.25613 04 23 40.83 +02 51 05.3          21.1 GVEY087G96
     K20Y02N* C2020 12 21.20350204 11 54.94 -00 28 46.2          20.17GVEY087G96
     K20Y02N  C2020 12 21.20909504 11 47.03 -00 30 37.2          20.08GVEY087G96
     K20Y02N  C2020 12 21.21469404 11 38.99 -00 32 28.3          19.79GVEY087G96
     K20Y02N  C2020 12 21.22027704 11 30.96 -00 34 20.5          20.35GVEY087G96
     K20Y02N KC2020 12 21.29292604 09 40.93 -00 59 52.9          19.58GVEY087I52
     K20Y02N KC2020 12 21.29405704 09 39.15 -01 00 17.5          19.72GVEY087I52
     K20Y02N KC2020 12 21.29518804 09 37.36 -01 00 42.8          19.51GVEY087I52
     K20Y02N KC2020 12 21.29632504 09 35.60 -01 01 07.6          19.54GVEY087I52
     K20Y02N KC2020 12 21.37427004 07 29.73 -01 31 13.5          19.86GVEY087I52
     K20Y02N KC2020 12 21.37540404 07 27.85 -01 31 42.6          19.75GVEY087I52
     K20Y02N KC2020 12 21.37653804 07 25.98 -01 32 10.1          19.65GVEY087I52
     K20Y02N KC2020 12 21.37767304 07 24.11 -01 32 38.6          19.41GVEY087I52
     K20Y02N KC2020 12 22.11757103 33 50.50 -11 08 15.8          19.1 VqEY087858
     K20Y02N KC2020 12 22.12499103 33 06.55 -11 19 11.0          19.1 VqEY087858
     K20Y02N KC2020 12 22.13018903 32 09.04 -11 28 28.6          19.0 VuEY087H21
     K20Y02N KC2020 12 22.13108603 32 03.47 -11 29 48.6          19.6 VuEY087H21
     K20Y02N KC2020 12 22.13225303 31 56.33 -11 31 33.9          19.1 VuEY087H21
     K20Y02N KC2020 12 22.13921703 31 39.84 -11 40 35.2          19.0 VqEY087858
     K20Y02N KC2020 12 22.14636903 30 54.97 -11 51 36.1          18.9 VqEY087858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
    Cassegrain + CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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.
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 G. J. Leonard.
    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 YN2                                                 Earth MOID = 0.0019 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 344.88608              (2000.0)            P               Q                  
n   0.35217096     Peri.   52.65925     -0.81425815     -0.57383004             
a   1.9859441      Node    92.15898     +0.50095847     -0.77099348             
e   0.5795030      Incl.    5.03865     +0.29329897     -0.27620307             
P   2.80           H   28.41          G   0.15           U   7                  
Residuals in seconds of arc
201220 G96  0.5+  0.1-    201221 I52  0.2-  0.3-    201222 H21  1.0+  0.1-
201220 G96  0.1-  0.4-    201221 I52  0.2+  0.0-    201222 H21  0.3-  0.3+
201220 G96  0.2-  0.3+    201221 I52  0.5-  1.6+    201222 H21  0.3-  0.3+
201220 G96 (0.8-  0.9-)   201221 I52  0.5-  0.0+    201222 H21  0.1-  0.2-
201221 G96  0.6-  0.0-    201221 I52  0.7-  0.2+    201222 H21  0.1-  0.2-
201221 G96  0.4+  0.0-    201221 I52  0.5-  0.6-    201222 858  0.3-  0.0-
201221 G96  0.5+  0.7+    201222 858  0.4+  0.4+    201222 858  0.3-  0.0-
201221 G96 (1.2+  0.8+)   201222 858  0.2-  0.3-    201222 858  0.1-  0.1+
201221 I52  0.1+  0.3-    201222 858  0.2-  0.3-    201222 858  0.1-  0.1+
201221 I52  0.0-  0.1+    201222 H21  1.0+  0.1-

Ephemeris:
2020 YN2                 a,e,i = 1.99, 0.58, 5                   q = 0.8351
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 22    04 44 33.2 +09 42 32   0.2511  1.2303   163.4    13.3    26.6
...
2020 12 07    04 42 48.6 +08 12 42   0.1222  1.1038   165.3    13.1    24.8
...
2020 12 15    04 38 18.2 +06 52 49   0.05954 1.0402   159.4    19.4    23.4
...
2020 12 21    04 15 22.1 +00 36 46   0.01405 0.9955   146.4    33.1    20.5
2020 12 22    03 42 32.5 -08 22 33   0.0067610.9883   133.5    46.2    19.3
2020 12 23    20 40 13.9 -45 27 49   0.0029540.9813    38.2   141.7    22.8
...
2020 12 29    16 52 01.4 -10 32 30   0.04703 0.9417    27.1   151.6    30.4
...
2021 01 06    16 49 28.9 -09 34 11   0.1090  0.8968    35.5   140.4    30.3
...
2021 01 21    16 59 38.1 -10 21 52   0.2307  0.8449    47.3   121.1    29.8

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y87




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