[Iaude] MPEC V136: 2022 WT7 [a=1.02,e=0.20,i=15.7,H=23.33]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Nov 9 09:20:41 EST 2023


M.P.E.C. 2023-V136                             Issued 2023 November 9, 14:19 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

                                    2022 WT7                                    


                           Revision to MPEC 2022-W231                           

Additional Observations:
     K22W07T KC2023 11 07.18417901 37 31.270+54 39 17.10         20.88GVEV136I52
     K22W07T KC2023 11 07.18614701 37 31.000+54 39 06.80               VEV136I52
     K22W07T KC2023 11 08.22356701 36 11.260+53 07 04.90               VEV136I52
     K22W07T KC2023 11 08.22786101 36 10.930+53 06 42.00         21.18GVEV136I52
     K22W07T KC2023 11 08.23682201 36 10.020+53 05 54.40               VEV136I52

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  Measurers
    E. C. Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J.
    Leonard, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.0-m
    prime focus + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231107 I52 47.2-  1.9-    231108 I52 47.7-  2.5-    E2023-QF8   -0.01 days

Orbital elements:
2022 WT7                                                 Earth MOID = 0.1862 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  71.42082              (2000.0)            P               Q                  
n   0.95790768     Peri.   14.22596     -0.12682666     +0.95927466             
a   1.0191864      Node   248.98110     -0.93446067     -0.20089720             
e   0.1958133      Incl.   15.68772     -0.33271348     +0.19857605             
P   1.03           H   23.33          G   0.15           U   2                  
Residuals in seconds of arc
221118 G96  0.2-  0.2+    221126 033  0.0   0.1+    221201 F52  0.0   0.0
221118 G96  0.1-  0.4+    221126 033  0.0   0.1+    221214 807  0.0   0.1-
221126 V00  0.1+  0.0     221126 K51  0.1+  0.1-    221214 807  0.0   0.3-
221126 V00  0.2+  0.3+    221126 033  0.0   0.1+    221214 807  0.0   0.2-
221126 V00  0.1-  0.0     221127 204  0.0   0.4-    221214 F52  0.1-  0.2+
221126 V00 (0.5+  0.3-)   221127 204  0.0   0.1+    221214 F52  0.0   0.0
221126 691  0.1+  0.2-    221127 G96  0.0   0.0     221214 F52  0.0   0.0
221126 691  0.2+  0.3-    221127 G96  0.1+  0.1-    231107 I52  0.5+  0.1+
221126 L01  0.2+  0.6+    221127 G96  0.0   0.2-    231107 I52  0.0   0.1+
221126 L01  0.0   0.3+    221127 G96  0.0   0.1-    231108 I52  0.5-  0.2-
221126 L01  0.3+  0.1+    221201 F52  0.1-  0.1-    231108 I52  0.2+  0.2-
221126 K51  0.1+  0.1-    221201 F52  0.1-  0.1-    231108 I52  0.2-  0.1+
221126 K51  0.2-  0.0     221201 F52  0.1+  0.2+

Ephemeris:
2022 WT7                 a,e,i = 1.02, 0.20, 16                  q = 0.8196
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 10    04 13 05.4 +81 06 29   0.2526  1.0807   102.2    64.6    22.8
...
2023 10 25    02 13 05.1 +71 09 38   0.2201  1.1227   120.6    49.7    22.1
...
2023 11 02    01 46 44.7 +61 53 54   0.2082  1.1424   132.1    40.2    21.8
...
2023 11 08    01 36 27.0 +53 26 51   0.2050  1.1559   140.2    33.3    21.6
2023 11 09    01 35 18.1 +51 57 14   0.2050  1.1580   141.4    32.3    21.6
2023 11 10    01 34 17.6 +50 26 43   0.2053  1.1601   142.5    31.3    21.6
...
2023 11 16    01 30 46.3 +41 17 37   0.2111  1.1719   147.0    27.3    21.5
...
2023 11 24    01 31 18.3 +29 53 24   0.2305  1.1857   146.1    27.7    21.7
...
2023 12 09    01 42 12.8 +14 22 54   0.2964  1.2052   132.5    37.1    22.6

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-V136




More information about the Iaude mailing list