[Iaude] MPEC Y84: 2020 YJ2 [a=1.58,e=0.52,i=2.0,H=27.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 21 22:08:32 EST 2020


M.P.E.C. 2020-Y84                             Issued 2020 December 22, 03:07 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 YJ2                                    


Observations:
     K20Y02J* C2020 12 21.43696802 53 48.06 +61 52 03.1          15.7 GVEY084381
     K20Y02J  C2020 12 21.43706002 53 53.53 +61 51 51.2          15.8 GVEY084381
     K20Y02J  C2020 12 21.52054403 56 51.64 +58 17 05.3                VEY084381
     K20Y02J  C2020 12 21.52060203 56 53.48 +58 16 56.5                VEY084381
     K20Y02J  C2020 12 21.52096103 57 05.84 +58 15 55.7          15.7 GVEY084381
     K20Y02J  C2020 12 21.52100703 57 07.47 +58 15 48.6          16.1 GVEY084381
     K20Y02J  C2020 12 21.52114603 57 12.29 +58 15 24.9          15.9 GVEY084381
     K20Y02J  C2020 12 21.52121503 57 14.56 +58 15 14.2          16.2 GVEY084381
     K20Y02J  C2020 12 21.52155103 57 26.02 +58 14 17.0          16.1 GVEY084381
     K20Y02J  C2020 12 21.52162003 57 28.24 +58 14 06.0          16.3 GVEY084381
     K20Y02J  C2020 12 21.52886604 01 30.40 +57 53 50.7          16.1 GVEY084381
     K20Y02J  C2020 12 21.52893504 01 32.49 +57 53 40.1          16.4 GVEY084381
     K20Y02J  C2020 12 21.52906304 01 36.86 +57 53 18.5          16.6 GVEY084381
     K20Y02J  C2020 12 21.52912004 01 38.87 +57 53 07.6          16.4 GVEY084381
     K20Y02J  C2020 12 21.55952504 16 43.19 +56 28 40.0                VEY084381
     K20Y02J  C2020 12 21.55956004 16 43.92 +56 28 36.2                VEY084381
     K20Y02J  C2020 12 21.56766204 20 18.37 +56 06 24.0          16.7 GVEY084381
     K20Y02J  C2020 12 21.56772004 20 20.00 +56 06 14.8          16.5 GVEY084381
     K20Y02J  C2020 12 21.61729204 38 57.12 +53 55 19.2          16.0 GVEY084381
     K20Y02J  C2020 12 21.61736104 38 58.32 +53 55 09.2          16.0 GVEY084381
     K20Y02J  C2020 12 21.63423604 44 15.31 +53 12 55.3          16.7 GVEY084381
     K20Y02J  C2020 12 21.63430604 44 16.53 +53 12 46.0                VEY084381
     K20Y02J  C2020 12 21.69797505 00 41.62 +50 45 15.8          16.4 GVEY084381
     K20Y02J  C2020 12 21.69803205 00 42.46 +50 45 06.9          16.5 GVEY084381
     K20Y02J  C2020 12 21.72319405 06 00.23 +49 52 04.6          16.3 GVEY084381
     K20Y02J  C2020 12 21.72322905 06 00.78 +49 51 59.0          15.7 GVEY084381
     K20Y02J  C2020 12 21.74277805 09 45.89 +49 12 45.0          17.1 GVEY084381
     K20Y02J  C2020 12 21.74283605 09 46.57 +49 12 37.6          17.1 GVEY084381
     K20Y02J KC2020 12 21.77383 05 19 14.45 +48 10 14.4          16.8 GVEY084958
     K20Y02J KC2020 12 21.77814 05 19 54.88 +48 03 08.5          17.1 GVEY084958
     K20Y02J KC2020 12 21.78277 05 20 37.43 +47 55 35.1          16.4 GVEY084958
     K20Y02J 4C2020 12 21.82989105 27 17.19 +46 44 50.7          17.3 GVEY084Z84
     K20Y02J 4C2020 12 21.83063605 27 22.74 +46 43 44.5          17.3 GVEY084Z84
     K20Y02J 4C2020 12 21.83146405 27 28.83 +46 42 31.9          17.6 GVEY084Z84
     K20Y02J 4C2020 12 21.83229305 27 34.97 +46 41 19.2          17.1 GVEY084Z84
     K20Y02J 4C2020 12 21.83311905 27 41.03 +46 40 07.2          17.0 GVEY084Z84
     K20Y02J 4C2020 12 21.83394605 27 47.07 +46 38 55.3          16.9 GVEY084Z84
     K20Y02J KC2020 12 22.04014 05 47 16.06 +42 26 02.8          17.8 GVEY084W34
     K20Y02J KC2020 12 22.05009 05 47 53.50 +42 17 03.7          17.3 GVEY084W34
     K20Y02J KC2020 12 22.05946 05 48 27.60 +42 08 42.9          17.5 GVEY084W34

Observer details:
381 Tokyo-Kiso.  Observer J. Beniyama.  1.05-m f/3.1 Schmidt + CCD.
958 Observatoire de Dax.  Observer P. Dupouy.  0.32-m Schmidt-Cassegrain.
W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
    Schmidt-Cassegrain + CCD.
Z84 Calar Alto-Schmidt.  Observer E. Petrescu.  Measurers E. Petrescu, D.
    Koschny, L. Conversi, M. Micheli, E. Schwab.  0.8-m f/3 Schmidt + CCD.

Orbital elements:
2020 YJ2                                                 Earth MOID = 0.0019 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  21.10218              (2000.0)            P               Q
n   0.49733122     Peri.  291.28139     +0.95286626     -0.30147233
a   1.5777526      Node    86.27735     +0.28947387     +0.86979405
e   0.5241774      Incl.    1.95620     +0.09083372     +0.39060561
P   1.98           H   27.3           G   0.15           U   6
Residuals in seconds of arc
201221 381  0.4-  0.1-    201221 381  1.2+  0.9-    201221 958  0.4+  0.5-
201221 381  0.5+  0.4-    201221 381  0.6-  1.0+    201221 958  0.6+  0.1+
201221 381  0.7+  0.7-    201221 381  0.6-  0.6+    201221 958  0.3+  0.3+
201221 381  0.5-  0.2+    201221 381  0.5+  0.9+    201221 Z84  0.3-  1.1+
201221 381  0.2-  0.4-    201221 381  0.7+  0.9-    201221 Z84  0.1-  0.2+
201221 381  0.2+  0.2+    201221 381  0.7-  0.4-    201221 Z84  0.5-  0.1+
201221 381  0.7+  0.2-    201221 381  0.2+  0.2+    201221 Z84  0.2-  0.1-
201221 381  0.1-  0.6+    201221 381  0.2-  1.2+    201221 Z84  0.3-  0.0
201221 381  0.3-  0.3-    201221 381  0.1+  0.2-    201221 Z84  0.5-  0.2+
201221 381  1.4-  0.3+    201221 381 (0.8+  1.7-)   201222 W34  0.2+  0.5-
201221 381  0.5+  0.5-    201221 381  0.1-  0.2+    201222 W34  0.2+  0.4+
201221 381  0.8-  0.4+    201221 381  1.2+  1.1-    201222 W34  0.1-  0.2-
201221 381  0.8+  0.3+    201221 381  0.7-  0.3-
201221 381 (2.0+  1.1-)   201221 381  0.3-  0.8-

Ephemeris:
2020 YJ2                 a,e,i = 1.58, 0.52, 2                   q = 0.7507
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 22    18 22 04.3 -26 57 37   0.2584  0.7908    35.2   133.9    30.0
...
2020 12 07    18 35 45.2 -26 43 15   0.1190  0.8770    23.2   153.7    31.6
...
2020 12 15    18 41 05.7 -25 31 37   0.05127 0.9352    16.3   162.9    32.8
...
2020 12 21    20 20 27.3 +19 31 17   0.0028530.9821    55.4   124.5    19.7
2020 12 22    05 42 54.6 +43 11 09   0.0069280.9902   159.9    20.0    17.5
2020 12 23    06 15 01.4 +34 40 13   0.01495 0.9983   168.6    11.2    18.9
...
2020 12 29    06 32 18.2 +28 53 05   0.06450 1.0475   174.3     5.3    21.9
...
2021 01 06    06 34 53.3 +27 52 27   0.1328  1.1146   170.9     8.1    23.7
...
2021 01 21    06 39 05.5 +27 04 39   0.2734  1.2411   157.5    17.7    25.9

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y84




More information about the Iaude mailing list