[Iaude] MPEC Y63: 2020 YJ1 [a=1.26,e=0.29,i=30.9,H=23.8]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun Dec 20 23:37:26 EST 2020


M.P.E.C. 2020-Y63                             Issued 2020 December 21, 04:36 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 YJ1                                    


Observations:
     K20Y01J* C2020 12 19.25545804 45 22.19 -05 27 09.4          18.49GVEY063703
     K20Y01J  C2020 12 19.26073904 45 22.39 -05 29 41.3          18.63GVEY063703
     K20Y01J  C2020 12 19.26602604 45 22.56 -05 32 13.1          18.42GVEY063703
     K20Y01J  C2020 12 19.27131004 45 22.75 -05 34 45.1          18.26GVEY063703
     K20Y01J  C2020 12 19.34981704 45 25.84 -06 11 41.6          18.10GVEY063I52
     K20Y01J  C2020 12 19.34994704 45 25.88 -06 11 45.7          18.42GVEY063I52
     K20Y01J  C2020 12 19.35007804 45 25.87 -06 11 49.0          18.32GVEY063I52
     K20Y01J  C2020 12 19.35020904 45 25.92 -06 11 51.6                VEY063I52
     K20Y01J  C2020 12 19.40212804 45 28.60 -06 35 38.5          18.16GVEY063I52
     K20Y01J  C2020 12 19.40229404 45 28.62 -06 35 42.9          18.07GVEY063I52
     K20Y01J  C2020 12 19.40246004 45 28.62 -06 35 47.6          18.05GVEY063I52
     K20Y01J  C2020 12 19.40262404 45 28.62 -06 35 51.9          18.26GVEY063I52
     K20Y01J KC2020 12 19.81623 04 46 21.68 -09 30 21.9          18.1 RVEY063113
     K20Y01J KC2020 12 19.82053 04 46 21.89 -09 32 03.2          17.9 RVEY063113
     K20Y01J KC2020 12 19.82483 04 46 22.17 -09 33 43.6          18.0 RVEY063113
     K20Y01J KC2020 12 19.82914 04 46 22.36 -09 35 23.7          18.2 RVEY063113
     K20Y01J KC2020 12 19.83344 04 46 22.58 -09 37 03.6          18.0 RVEY063113
     K20Y01J 1C2020 12 19.86632 04 46 23.96 -09 49 38.6                VEY063246
     K20Y01J 1C2020 12 19.86648 04 46 23.94 -09 49 42.5                VEY063246
     K20Y01J 1C2020 12 19.86662 04 46 23.97 -09 49 45.6                VEY063246
     K20Y01J 1C2020 12 19.86690 04 46 23.97 -09 49 52.1          18.5 GVEY063246
     K20Y01J 1C2020 12 19.86704 04 46 23.99 -09 49 55.0                VEY063246
     K20Y01J 1C2020 12 19.86718 04 46 23.97 -09 49 58.7                VEY063246
     K20Y01J KC2020 12 19.94204404 46 28.94 -10 18 10.7          18.4 GVEY063J95
     K20Y01J hC2020 12 19.94380004 46 26.89 -10 18 39.7          18.6 GVEY063L01
     K20Y01J KC2020 12 19.94451704 46 29.06 -10 19 05.4          18.8 GVEY063J95
     K20Y01J hC2020 12 19.94563304 46 26.92 -10 19 20.6          18.6 GVEY063L01
     K20Y01J hC2020 12 19.94603404 46 26.94 -10 19 29.2          18.4 GVEY063L01
     K20Y01J hC2020 12 19.94656904 46 26.96 -10 19 40.7          17.9 GVEY063L01
     K20Y01J KC2020 12 19.94683304 46 29.18 -10 19 57.3          18.4 GVEY063J95
     K20Y01J KC2020 12 19.94951904 46 29.30 -10 20 56.7          18.5 GVEY063J95
     K20Y01J 1C2020 12 20.01304 04 46 30.31 -10 44 05.3          21.4 VVEY063033
     K20Y01J 1C2020 12 20.01350 04 46 30.35 -10 44 15.3          21.4 VVEY063033
     K20Y01J HC2020 12 20.14245604 46 51.90 -11 29 09.5          20.34GVEY063I52
     K20Y01J HC2020 12 20.14258904 46 51.83 -11 29 12.9          19.34GVEY063I52
     K20Y01J HC2020 12 20.14285104 46 51.86 -11 29 17.4          20.36GVEY063I52
     K20Y01J mC2020 12 21.15750504 48 03.70 -16 24 31.5          19.24GVEY063I52
     K20Y01J mC2020 12 21.15775304 48 03.73 -16 24 34.7          19.15GVEY063I52
     K20Y01J mC2020 12 21.15800104 48 03.72 -16 24 38.7          19.55GVEY063I52
     K20Y01J mC2020 12 21.15824604 48 03.75 -16 24 42.2          19.03GVEY063I52

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
113 Volkssternwarte Drebach, Schoenbrunn.  Observer G. Lehmann.  0.5-m f/4.6
    reflector + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha.  Measurer M.
    Tichy.  1.06-m f/2.7 reflector + 2048x2048 CCD.
703 Catalina Sky Survey.  Observer H. Groeller.  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.  0.68-m Schmidt + 10K 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.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.

Orbital elements:
2020 YJ1                                                 Earth MOID = 0.0253 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M  35.45090              (2000.0)            P               Q
n   0.69821779     Peri.  117.96119     +0.79679376     -0.32272857
a   1.2583712      Node   264.92035     +0.18670642     +0.93554790
e   0.2925582      Incl.   30.85469     +0.57468289     +0.14351448
P   1.41           H   23.8           G   0.15           U   7
Residuals in seconds of arc
201219 703  0.3+  0.4-    201219 113  0.6+  0.7-    201219 L01  0.4-  0.6+
201219 703  0.4+  0.1+    201219 113  0.3+  0.6-    201219 J95  0.2+  0.1+
201219 703  0.1+  0.4+    201219 113  0.5+  0.6-    201219 J95  0.4+  0.3+
201219 703  0.1+  0.2+    201219 246  0.4+  0.2-    201220 033  0.3+  0.4+
201219 I52  0.4-  0.1-    201219 246  0.0   0.5-    201220 033  0.6+  0.3+
201219 I52  0.1+  0.6-    201219 246  0.3+  0.4-    201220 I52  0.5+  1.0-
201219 I52  0.1-  0.3-    201219 246  0.2+  0.5-    201220 I52  0.6-  1.6-
201219 I52  0.5+  0.8+    201219 246  0.4+  0.1-    201220 I52  0.3-  0.6-
201219 I52  0.2-  0.1-    201219 246  0.0   0.6-    201221 I52  0.2-  0.2-
201219 I52  0.1-  0.1+    201219 J95  0.5-  0.2+    201221 I52  0.2+  0.3+
201219 I52  0.2-  0.1-    201219 L01  0.0   0.1+    201221 I52  0.0   0.0
201219 I52  0.4-  0.0     201219 J95  0.2-  0.5+    201221 I52  0.3+  0.1+
201219 113  0.4-  0.4+    201219 L01  0.5-  0.1-
201219 113  0.5-  0.6-    201219 L01  0.5-  0.2+

Ephemeris:
2020 YJ1                 a,e,i = 1.26, 0.29, 31                  q = 0.8902
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 21    16 56 10.0 +46 01 04   0.2537  0.9224    67.8    97.5    24.2
...
2020 12 06    17 01 17.1 +55 24 43   0.1059  0.9687    77.9    95.9    22.3
...
2020 12 14    02 16 48.3 +85 00 49   0.03236 0.9992   116.5    61.8    18.6
...
2020 12 20    04 46 33.2 -10 36 35   0.05026 1.0241   142.3    35.9    18.8
2020 12 21    04 47 48.4 -15 43 04   0.05954 1.0283   137.4    40.4    19.3
2020 12 22    04 48 47.9 -19 24 23   0.06918 1.0326   133.6    43.6    19.8
...
2020 12 28    04 52 28.8 -29 17 31   0.1299  1.0591   122.6    51.4    21.4
...
2021 01 05    04 56 01.0 -32 51 27   0.2126  1.0955   116.7    53.3    22.6
...
2021 01 20    05 04 34.2 -33 24 52   0.3663  1.1656   110.8    52.1    23.9

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y63




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