[Iaude] MPEC T229: 2023 TW9 [a=1.76,e=0.51,i=2.6,H=23.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Oct 13 21:30:11 EDT 2023


M.P.E.C. 2023-T229                             Issued 2023 October 14, 01:28 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

                                    2023 TW9                                    


Observations:
     K23T09W 1C2023 10 04.13520 18 03 49.64 +35 47 55.4          20.8 GVET229G96
     K23T09W 1C2023 10 04.13987 18 03 59.65 +35 48 51.3          21.0 GVET229G96
     K23T09W 1C2023 10 12.13916 23 02 05.17 +36 04 00.9          19.3 GVET229703
     K23T09W 1C2023 10 12.15521 23 02 24.27 +36 02 14.8          20.1 GVET229703
     K23T09W* C2023 10 13.43302523 25 34.660+33 43 15.37         19.85wXET229F51
     K23T09W  C2023 10 13.44693423 25 47.409+33 41 44.79         19.18GVET229F51
     K23T09W  C2023 10 13.46089723 26 00.195+33 40 14.12         19.99wXET229F51
     K23T09W  C2023 10 13.47482623 26 13.025+33 38 42.59         19.62GVET229F51
     K23T09W KB2023 10 13.72054 23 30 13.71 +33 12 27.0          19.5 GXET229M45
     K23T09W KB2023 10 13.72273 23 30 15.66 +33 12 13.8          19.0 GXET229M45
     K23T09W KB2023 10 13.72479 23 30 17.47 +33 12 01.8          19.1 GXET229M45
     K23T09W 1C2023 10 13.77943323 31 06.160+33 06 24.60               VET229246
     K23T09W 1C2023 10 13.77966023 31 06.280+33 06 23.50               VET229246
     K23T09W 1C2023 10 13.77988623 31 06.530+33 06 21.90               VET229246
     K23T09W 1C2023 10 13.78451423 31 10.570+33 05 54.50               VET229246
     K23T09W KC2023 10 13.78474 23 31 11.52 +33 05 59.6          19.8 GXET229K78
     K23T09W 1C2023 10 13.78503723 31 11.040+33 05 50.10               VET229246
     K23T09W 1C2023 10 13.78529823 31 11.260+33 05 48.80               VET229246
     K23T09W KC2023 10 13.79690 23 31 22.03 +33 04 47.2          19.9 GXET229K78
     K23T09W KC2023 10 13.80905 23 31 32.54 +33 03 34.6          20.3 GXET229K78
     K23T09W KC2023 10 13.83190023 31 52.07 +33 01 18.1          19.8 GVET229598
     K23T09W KC2023 10 13.83351423 31 53.43 +33 01 08.2          20.3 GVET229598
     K23T09W KC2023 10 13.83523723 31 54.90 +33 00 57.7          20.0 GVET229598
     K23T09W KC2023 10 13.83640123 31 55.50 +33 00 40.9          18.8 RVET229K61
     K23T09W KC2023 10 13.83806723 31 56.95 +33 00 31.2          18.7 RVET229K61
     K23T09W KC2023 10 13.83928723 31 57.98 +33 00 23.6          18.7 RVET229K61
     K23T09W KC2023 10 13.85522 23 32 10.55 +32 58 53.4          19.6 VqET229L04
     K23T09W KC2023 10 13.85850 23 32 13.34 +32 58 33.7          19.4 VqET229L04
     K23T09W KC2023 10 13.86277 23 32 16.96 +32 58 07.4          19.3 VqET229L04
     K23T09W KC2023 10 13.89169223 32 44.148+32 55 01.38         19.8 GVET229J95
     K23T09W KC2023 10 13.89567323 32 47.549+32 54 37.44         20.1 GVET229J95
     K23T09W KC2023 10 13.89900123 32 50.345+32 54 17.71         19.5 GVET229J95
     K23T09W KC2023 10 13.90300823 32 53.712+32 53 52.98         19.7 GVET229J95
     K23T09W KC2023 10 13.93183923 33 16.70 +32 51 11.8          19.3 GVET229104
     K23T09W KC2023 10 13.93570123 33 19.93 +32 50 47.7          19.8 GVET229104
     K23T09W KC2023 10 13.93956223 33 23.17 +32 50 23.8          20.0 GVET229104

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m F4 Reflector + CCD.
246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Janda, M.
    Honkova.  Measurer M. Tichy.  1.06-m f/2.7 Reflector + 2048x2048 CCD.
598 Loiano.  Observer A. Carbognani.  1.52-m f/4.7 Reflector + CCD.
703 Catalina Sky Survey.  Observer G. J. Leonard.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  0.68-m Schmidt + 10K CCD.
F51 Pan-STARRS 1, 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.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
K61 Rokycany Observatory.  Observer M. Adamovsky.  0.51-m f/6.8 reflector +
    CCD.
K78 iota Scorpii Observatory, La Spezia.  Observers G. Scarfi, P. Boongerd.
    0.40-m f/6.1 reflector + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca.  Observer L. Hudin.  0.3-m f/5
    reflector + CCD.
M45 Starhopper Observatory, Sfantu Gheorghe.  Observer F. Ursache.  0.41-m
    f/7.5 reflector + CMO.

Orbital elements:
2023 TW9                                                 Earth MOID = 0.0006 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   7.57508              (2000.0)            P               Q                  
n   0.42328549     Peri.   57.37277     +0.71276884     +0.69999762             
a   1.7567655      Node   258.15697     -0.65773822     +0.64512125             
e   0.5092135      Incl.    2.59523     -0.24360010     +0.30630362             
P   2.33           H   23.98          G   0.15           U   8                  
Residuals in seconds of arc
231004 G96  0.8+  0.0     231013 246  1.0-  0.1+    231013 K61  0.6+  0.4+
231004 G96  0.8-  0.0     231013 246  0.3-  0.2-    231013 K61  0.4+  0.2+
231012 703  0.5-  0.6+    231013 246  0.3-  0.1+    231013 L04  0.1-  0.1-
231012 703  0.3+  0.0     231013 K78  0.1+  0.0     231013 L04  0.2-  0.2+
231013 F51  0.0   0.1+    231013 246  0.1-  1.2-    231013 L04  0.4-  0.0
231013 F51  0.0   0.0     231013 246  0.2-  0.9-    231013 J95  0.1+  0.2-
231013 F51  0.2-  0.3+    231013 K78  0.5-  0.0     231013 J95  0.3+  0.1-
231013 F51  0.4+  0.1-    231013 K78  0.4-  0.0     231013 J95  0.1-  0.2+
231013 M45  0.3+  0.3-    231013 598  0.2+  0.2+    231013 J95  0.5-  0.3-
231013 M45  0.5+  0.5-    231013 598  0.1-  0.0     231013 104  0.1-  0.3+
231013 M45  0.4+  0.2-    231013 598  0.1-  0.2-    231013 104  0.2-  0.2-
231013 246  0.0   0.2-    231013 K61  0.4+  0.0     231013 104  0.2-  0.4-

Ephemeris:
2023 TW9                 a,e,i = 1.76, 0.51, 3                   q = 0.8622
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 14    14 28 12.9 +00 05 07   0.1679  0.8972    45.8   126.5    25.2
...
2023 09 29    16 00 39.1 +18 26 59   0.06861 0.9675    58.1   118.4    22.8
...
2023 10 07    20 07 52.9 +42 10 31   0.04857 1.0159   108.2    69.2    19.9
...
2023 10 13    23 18 22.8 +34 29 06   0.07138 1.0557   142.7    35.0    19.8
2023 10 14    23 34 17.2 +32 44 48   0.07709 1.0625   146.0    31.7    19.9
2023 10 15    23 47 30.9 +31 08 33   0.08310 1.0694   148.9    28.8    20.0
...
2023 10 21    00 34 34.6 +24 11 49   0.1235  1.1120   159.2    18.6    20.6
...
2023 10 29    01 01 58.9 +19 19 21   0.1849  1.1711   162.4    14.9    21.5
...
2023 11 13    01 25 59.5 +15 19 40   0.3184  1.2853   154.9    19.1    23.0

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-T229




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