[Iaude] MPEC Y35: 2020 YH [a=0.74,e=0.42,i=7.1,H=22.1]

Fri Dec 18 03:20:19 EST 2020

M.P.E.C. 2020-Y35                             Issued 2020 December 18, 08:19 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 YH                                     


Observations:
     K20Y00H* C2020 12 16.07396122 48 39.10 +23 38 36.4          21.06GVEY035G96
     K20Y00H  C2020 12 16.07969122 48 41.53 +23 38 45.7          21.04GVEY035G96
     K20Y00H  C2020 12 16.09115622 48 46.41 +23 39 05.0          21.21GVEY035G96
     K20Y00H KC2020 12 16.16980922 49 20.06 +23 41 13.4          20.50GVEY035V06
     K20Y00H KC2020 12 16.17247422 49 21.17 +23 41 17.2          20.47GVEY035V06
     K20Y00H KC2020 12 16.17514622 49 22.32 +23 41 21.8          20.61GVEY035V06
     K20Y00H KC2020 12 16.17781922 49 23.48 +23 41 25.8          20.50GVEY035V06
     K20Y00H  C2020 12 16.23678622 49 50.133+23 43 18.96         21.11GVEY035F51
     K20Y00H KC2020 12 17.05810322 55 45.94 +24 05 16.9          20.80GVEY035I52
     K20Y00H KC2020 12 17.05978222 55 46.65 +24 05 19.4          21.24GVEY035I52
     K20Y00H KC2020 12 17.06313922 55 48.02 +24 05 25.0          21.09GVEY035I52
     K20Y00H 1C2020 12 17.71827 23 00 22.61 +24 21 38.1          22.1 VVEY035033
     K20Y00H 1C2020 12 17.72093 23 00 23.66 +24 21 41.7          22.0 VVEY035033
     K20Y00H 1C2020 12 17.72358 23 00 24.71 +24 21 45.7          21.8 VVEY035033
     K20Y00H KC2020 12 17.99821223 02 17.42 +24 28 30.4          21.5 VuEY035H21
     K20Y00H KC2020 12 18.00429823 02 19.80 +24 28 39.0          21.4 VuEY035H21
     K20Y00H KC2020 12 18.01058423 02 22.29 +24 28 47.7          21.5 VuEY035H21
     K20Y00H KC2020 12 18.01362523 02 23.47 +24 28 51.9          21.6 VuEY035H21

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, U.
    Laux, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + 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.  1.3-m f/4.0
    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.
V06 Catalina Sky Survey-Kuiper.  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.  1.55-m reflector +
    1K CCD.

Orbital elements:
2020 YH                                                  Earth MOID = 0.0799 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 134.16351              (2000.0)            P               Q                  
n   1.53918578     Peri.  248.79550     +0.12047744     +0.99097883             
a   0.7429200      Node    28.32039     -0.85873843     +0.13370344             
e   0.4170255      Incl.    7.10818     -0.49804970     +0.00918445             
P   0.64           H   22.15          G   0.15           U   8                  
Residuals in seconds of arc
201216 G96  0.1+  0.2+    201216 F51  0.0-  0.0+    201217 033  0.0-  0.1-
201216 G96  0.1-  0.0-    201216 F51  0.0-  0.0+    201217 H21  0.0-  0.2+
201216 G96  0.1-  0.2+    201217 I52  0.3-  0.3-    201218 H21  0.2-  0.2+
201216 V06  0.3+  0.3+    201217 I52  0.1+  0.4-    201218 H21  0.2-  0.2+
201216 V06  0.1-  0.2-    201217 I52  0.2+  0.1+    201218 H21  0.1+  0.2+
201216 V06  0.0-  0.1+    201217 033  0.3+  0.0-    201218 H21  0.1-  0.1+
201216 V06  0.1+  0.2-    201217 033  0.1+  0.3-

Ephemeris:
2020 YH                  a,e,i = 0.74, 0.42, 7                   q = 0.4331
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 18    17 54 10.4 -09 45 19   0.1667  0.8576    35.2   138.4    24.6
...
2020 12 03    20 43 29.5 +12 09 01   0.1412  0.9450    69.3   102.7    21.5
...
2020 12 11    22 07 01.3 +20 35 05   0.1650  0.9810    83.9    86.5    21.2
...
2020 12 17    22 55 21.5 +24 03 52   0.1923  1.0031    90.1    78.8    21.3
2020 12 18    23 02 18.4 +24 28 43   0.1973  1.0064    90.8    77.9    21.4
2020 12 19    23 08 58.4 +24 51 23   0.2024  1.0096    91.5    77.0    21.4
...
2020 12 25    23 43 50.5 +26 31 48   0.2344  1.0263    93.9    73.0    21.6
...
2021 01 02    00 20 07.1 +27 47 08   0.2790  1.0422    94.3    70.2    21.9
...
2021 01 17    01 10 46.8 +28 55 53   0.3614  1.0527    90.8    69.1    22.5

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y35