[Iaude] MPEC T187: 2016 UW41 [a=1.74,e=0.38,i=19.8,H=20.96]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Oct 12 10:11:48 EDT 2023


M.P.E.C. 2023-T187                             Issued 2023 October 12, 14:10 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

                                   2016 UW41                                    


                           Revision to MPEC 2016-U110                           

Additional Observations:
     K16U41W KC2023 10 10.44521604 23 55.853+19 46 04.19         21.50GVET187V06
     K16U41W KC2023 10 10.44847904 23 56.119+19 45 59.29         21.79GVET187V06
     K16U41W KC2023 10 10.45174104 23 56.414+19 45 54.47         21.13GVET187V06
     K16U41W KC2023 10 10.45500004 23 56.738+19 45 49.25         21.46GVET187V06
     K16U41W KC2023 10 11.35886604 25 23.988+19 22 25.46         21.28GVET187V06
     K16U41W KC2023 10 11.36293704 25 24.334+19 22 19.16         21.42GVET187V06
     K16U41W KC2023 10 11.36700704 25 24.683+19 22 12.68         21.89GVET187V06
     K16U41W KC2023 10 11.37107904 25 25.072+19 22 06.53         21.53GVET187V06
     K16U41W  C2023 10 11.49562804 25 37.000+19 18 51.58         22.28wXET187F52
     K16U41W  C2023 10 11.50781104 25 38.090+19 18 32.49         22.35wXET187F52
     K16U41W  C2023 10 11.52006304 25 39.194+19 18 13.02         22.12wXET187F52

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  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.  1.55-m reflector +
    1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231010 V06 0.13- 0.02-    231011 F52 0.13- 0.02-    E2023-OA1   -0.06 days

Orbital elements:
2016 UW41                                                Earth MOID = 0.3087 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 302.95248              (2000.0)            P               Q                  
n   0.42790276     Peri.  269.92568     -0.51657660     -0.83565933             
a   1.7441051      Node   213.38535     +0.85623948     -0.50375014             
e   0.3840605      Incl.   19.82328     +0.00160498     -0.21888187             
P   2.30           H   20.96          G   0.15           U   0                  
Residuals in seconds of arc
161026 F51  0.0   0.1-    161107 807  0.3-  0.4+    161231 807  0.8-  0.8-
161026 F51  0.1-  0.2-    161107 807  0.4-  0.2-    161231 807  0.9-  0.5-
161026 F51  0.1-  0.2-    161120 H21  0.3-  0.2+    161231 807  0.2-  0.5-
161026 F51  0.3+  0.1-    161120 H21  0.5-  0.0     170122 807  0.1+  0.0
161027 I52  0.2-  0.0     161120 H21  0.1-  0.1-    170122 807  0.4+  0.4+
161027 I52  0.1-  0.9+    161124 291  0.2+  0.2-    170122 807  0.3+  0.6+
161027 I52  0.2+  0.6+    161124 291  0.1+  0.0     170328 807  0.0   0.1-
161027 568  0.1+  0.1+    161124 291  0.8-  1.6-    170328 807  0.4-  0.3+
161027 568  0.2+  0.1+    161125 291  0.3-  0.3-    170328 807  0.3+  0.5-
161027 568  0.1+  0.1+    161125 291  0.1+  0.5+    231010 V06  0.3+  0.0
161029 104  0.2+  0.2+    161125 291  0.3+  0.2-    231010 V06  0.1-  0.1+
161029 104  0.1-  0.4+    161206 H21  0.9-  1.1-    231010 V06  0.1-  0.2+
161029 104  0.1+  0.3+    161206 H21  0.6-  1.3-    231010 V06  0.2+  0.0
161030 926  0.1-  0.0     161206 H21  1.1-  0.8-    231011 V06  0.3+  0.0
161030 926  0.2+  0.2+    161220 807  0.3+  0.3+    231011 V06  0.0   0.1+
161030 926  0.1+  0.0     161220 807  0.3+  0.5+    231011 V06  0.3-  0.0
161030 691  0.8+  0.2-    161220 807  0.5+  0.6+    231011 V06  0.0   0.3+
161030 691  0.7+  0.8-    161230 807  0.2+  0.0     231011 F52  0.2-  0.0
161030 691  0.0   1.5-    161230 807  0.2+  0.4+    231011 F52  0.2-  0.2+
161107 807  0.1+  0.2+    161230 807  0.5+  0.7+    231011 F52  0.1-  0.1+

Ephemeris:
2016 UW41                a,e,i = 1.74, 0.38, 20                  q = 1.0743
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 12    03 33 45.4 +26 22 22   0.9551  1.6173   111.0    35.5    23.4
...
2023 09 27    04 01 07.4 +24 04 00   0.7649  1.5369   120.2    34.3    22.7
...
2023 10 05    04 14 57.7 +21 49 35   0.6719  1.4937   125.4    33.1    22.4
...
2023 10 11    04 24 49.1 +19 31 54   0.6068  1.4612   129.4    31.9    22.1
2023 10 12    04 26 24.5 +19 05 23   0.5964  1.4557   130.1    31.6    22.0
2023 10 13    04 27 58.9 +18 37 47   0.5861  1.4503   130.8    31.4    21.9
...
2023 10 19    04 37 03.2 +15 27 22   0.5275  1.4180   134.7    29.9    21.6
...
2023 10 27    04 48 03.9 +09 59 05   0.4584  1.3753   139.5    28.0    21.2
...
2023 11 11    05 04 48.5 -04 35 49   0.3629  1.2977   142.7    27.5    20.6

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-T187




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