[Iaude] MPEC W120: 2019 WH6 [a=2.34,e=0.90,i=29.3,H=18.98]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Nov 25 09:13:15 EST 2023


M.P.E.C. 2023-W120                            Issued 2023 November 25, 14:11 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  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

                                    2019 WH6                                    


                           Revision to MPEC 2019-X26                            

Additional Observations:
     K19W06H  C2023 10 16.08155 17 23 26.58 +05 39 55.7          22.4 GVEW120I52
     K19W06H  C2023 10 16.08299 17 23 27.30 +05 39 58.7          21.7 GVEW120I52
     K19W06H  C2023 10 16.08370 17 23 27.65 +05 39 59.4          22.5 GVEW120I52
     K19W06H KC2023 11 23.09492 20 42 18.29 +13 06 24.6          22.0 RVEW120291
     K19W06H KC2023 11 23.13933 20 42 26.28 +13 06 36.5          22.1 RVEW120291

Observer details:
291 LPL/Spacewatch II.  Observer M. J. Brucker.  1.8-m f/2.7 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. K. Hogan.  Measurers
    B. Gray, D. Rankin, F. C. Shelly.  1.0-m f/2.0 prime focus + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231016 I52 0.14+ 0.10+    231123 291 0.04+ 0.03+    MPO740923   +0.09 days

Orbital elements:
2019 WH6                                                 Earth MOID = 0.1689 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   0.31225              (2000.0)            P               Q                  
n   0.27528305     Peri.  285.60668     -0.62828986     +0.64384585             
a   2.3403622      Node   296.81286     -0.38044966     -0.74391258             
e   0.9003057      Incl.   29.29575     -0.67860881     -0.17904356             
P   3.58           H   18.98          G   0.15           U   1                  
Residuals in seconds of arc
191110 F51  0.5+  0.1+    191205 H21  0.0   0.2-    191230 K38  0.3-  0.2+
191110 F51  0.4+  0.1+    191205 H21  0.1+  0.1-    191230 K38  0.3+  0.0
191120 F51  0.0   0.3-    191205 H21  0.1+  0.0     191230 K38  0.1+  0.3+
191120 F51  0.1+  0.1-    191205 H21  0.0   0.1-    191230 K38  0.2+  0.3+
191120 F51  0.2+  0.3-    191205 H21  0.2+  0.1-    191230 K38  0.4+  0.4+
191202 703  0.8+  0.7-    191205 H21  0.0   0.2-    200102 C51 (0.8-  0.9-)
191202 703  1.0+  0.7-    191205 H21  0.0   0.2-    200102 C51  0.0   0.1-
191202 703  0.0   0.1+    191205 H21  0.1+  0.1-    200102 C47  0.3+  0.2+
191202 I52  0.1+  0.2-    191205 H21  0.1+  0.1-    200102 C47  0.2+  0.4+
191202 I52  0.3+  0.2+    191217 I52  0.5+  0.3-    200102 C47  0.3-  0.5+
191202 I52  0.3+  0.3-    191217 I52  0.1+  0.2-    200102 C47  0.1+  0.1+
191202 I52  0.2-  0.1-    191217 I52  0.0   0.7-    200105 H45 (1.5+  3.4+)
191203 L01  0.2+  0.3-    191219 I41  0.1-  0.5+    200105 H45 (0.5+  1.9+)
191203 L01  0.1+  0.3-    191219 I41  0.2-  0.5+    200106 204  0.0   0.1+
191203 L01  0.0   0.0     191219 I41  0.3-  0.5+    200106 204  0.1-  0.3+
191203 L01  0.1+  0.4-    191219 I41  0.3-  0.6+    231016 I52  0.7+  0.5-
191203 I52  0.1+  0.1-    191219 033  0.0   0.6-    231016 I52  0.2+  0.2+
191203 I52  0.1-  0.5-    191219 033  0.0   0.4-    231016 I52  0.1-  0.3-
191203 I52  0.1-  0.4-    191219 033  0.0   0.5-    231123 291  0.4+  0.4-
191203 I52  0.1+  0.2-    191224 C95  0.4+  0.2+    231123 291  0.5-  1.7-
191205 H21  0.1+  0.3-    191224 C95  0.5+  0.5+

Ephemeris:
2019 WH6                 a,e,i = 2.34, 0.90, 29                  q = 0.2333
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 26    18 38 43.4 +09 09 55   0.8418  1.0943    72.6    60.1    21.0
...
2023 11 10    19 56 04.8 +11 49 38   1.1127  1.3412    79.0    46.5    21.6
...
2023 11 18    20 25 55.2 +12 39 35   1.2770  1.4622    79.3    41.6    22.0
...
2023 11 24    20 45 02.7 +13 11 00   1.4050  1.5489    78.6    38.7    22.2
2023 11 25    20 48 01.1 +13 15 57   1.4266  1.5630    78.4    38.2    22.3
2023 11 26    20 50 56.2 +13 20 51   1.4483  1.5771    78.2    37.8    22.3
...
2023 12 02    21 07 25.8 +13 49 34   1.5797  1.6596    76.8    35.3    22.5
...
2023 12 10    21 27 13.1 +14 27 31   1.7570  1.7652    74.2    32.5    22.8
...
2023 12 25    21 59 37.8 +15 43 26   2.0907  1.9513    68.1    27.9    23.3

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-W120




More information about the Iaude mailing list