[Iaude] MPEC Y90: 2020 YQ2 [a=1.19,e=0.12,i=19.9,H=24.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue Dec 22 03:31:51 EST 2020


M.P.E.C. 2020-Y90                             Issued 2020 December 22, 08:30 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 YQ2                                    


Observations:
     K20Y02Q* C2020 12 20.21876503 38 55.22 +06 05 54.0          20.85GVEY090G96
     K20Y02Q  C2020 12 20.23004503 38 55.66 +06 03 29.2          21.31GVEY090G96
     K20Y02Q  C2020 12 20.23568603 38 55.86 +06 02 16.8          20.98GVEY090G96
     K20Y02Q KC2020 12 20.32489103 38 59.73 +05 43 05.6          20.65GVEY090I52
     K20Y02Q KC2020 12 20.32825703 38 59.90 +05 42 21.9          20.72GVEY090I52
     K20Y02Q KC2020 12 20.33162403 39 00.06 +05 41 38.2          22.02GVEY090I52
     K20Y02Q KC2020 12 20.33499003 39 00.23 +05 40 54.7          20.56GVEY090I52
     K20Y02Q KC2020 12 21.14540103 40 06.58 +02 50 25.0          20.53GVEY090I52
     K20Y02Q KC2020 12 21.14875703 40 06.66 +02 49 44.7          21.25GVEY090I52
     K20Y02Q KC2020 12 21.15211403 40 06.81 +02 49 02.3          20.07GVEY090I52
     K20Y02Q KC2020 12 21.15547103 40 06.95 +02 48 21.0          20.95GVEY090I52
     K20Y02Q KC2020 12 22.14324003 41 21.73 -00 30 39.2          21.50GVEY090I52
     K20Y02Q |C2020 12 22.14568 03 41 18.31 -00 29 33.0          21.1 VuEY090807
     K20Y02Q KC2020 12 22.14660403 41 21.95 -00 31 18.3          20.84GVEY090I52
     K20Y02Q KC2020 12 22.14996703 41 22.10 -00 31 58.6          21.01GVEY090I52
     K20Y02Q |C2020 12 22.15024 03 41 18.55 -00 30 26.4          21.2 VuEY090807
     K20Y02Q KC2020 12 22.15332903 41 22.18 -00 32 37.7          21.13GVEY090I52
     K20Y02Q |C2020 12 22.15480 03 41 18.74 -00 31 20.9          21.2 VuEY090807

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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.
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 YQ2                                                 Earth MOID = 0.0771 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 333.97148              (2000.0)            P               Q                  
n   0.76237965     Peri.  213.26569     -0.40436130     -0.85021841             
a   1.1867389      Node   262.63079     +0.89566908     -0.29352087             
e   0.1204635      Incl.   19.86980     +0.18511844     -0.43700590             
P   1.29           H   24.78          G   0.15           U   7                  
Residuals in seconds of arc
201220 G96  0.5+  0.3-    201220 I52  0.2-  0.4-    201222 807  0.0-  0.1+
201220 G96  0.2+  0.5+    201221 I52 (1.0+  0.8-)   201222 I52  0.3+  0.3+
201220 G96 (0.1-  0.9+)   201221 I52  0.0+  0.5+    201222 I52  0.2+  0.4-
201220 I52  0.2-  0.3+    201221 I52  0.0-  0.3-    201222 807  0.6+  0.4+
201220 I52  0.1-  0.0+    201221 I52  0.1-  0.1-    201222 I52  0.9-  0.1+
201220 I52  0.2-  0.3-    201222 I52  0.7-  0.2-    201222 807  0.4+  0.4-

Ephemeris:
2020 YQ2                 a,e,i = 1.19, 0.12, 20                  q = 1.0438
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 22    03 16 22.7 +75 59 10   0.1758  1.0956   124.0    48.4    23.0
...
2020 12 07    03 24 44.2 +52 52 11   0.1060  1.0739   145.2    31.6    21.4
...
2020 12 15    03 32 47.0 +26 01 13   0.08887 1.0644   153.2    24.6    20.8
...
2020 12 21    03 39 53.4 +03 21 30   0.09341 1.0583   141.3    35.5    21.2
2020 12 22    03 41 08.8 -00 01 27   0.09558 1.0573   138.7    37.9    21.3
2020 12 23    03 42 25.1 -03 13 52   0.09808 1.0564   136.1    40.2    21.4
...
2020 12 29    03 50 18.8 -18 37 54   0.1186  1.0517   122.4    52.1    22.2
...
2021 01 06    04 01 16.6 -30 54 22   0.1543  1.0470   110.4    61.7    23.0
...
2021 01 21    04 23 02.9 -41 15 02   0.2266  1.0438    99.0    68.6    24.1

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-Y90




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