[Iaude] MPEC T141: 2023 TW4 [a=1.72,e=0.50,i=0.9,H=25.6]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-T141                             Issued 2023 October 10, 20:43 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 TW4                                    


Observations:
     K23T04W  C2023 10 05.21917 23 49 02.74 +05 06 02.4          21.9 GVET141G96
     K23T04W  C2023 10 05.22481 23 49 01.87 +05 06 08.2          21.9 GVET141G96
     K23T04W* C2023 10 08.41160523 41 03.255+06 05 12.68         21.45wXET141F51
     K23T04W  C2023 10 08.42294723 41 00.770+06 05 27.83         21.49wXET141F51
     K23T04W  C2023 10 08.44664423 40 55.600+06 05 59.49         21.72wXET141F51
     K23T04W KC2023 10 09.13792323 38 51.529+06 22 07.50         21.11GVET141I52
     K23T04W KC2023 10 09.14124023 38 50.737+06 22 12.68         21.36GVET141I52
     K23T04W KC2023 10 09.14455623 38 49.992+06 22 17.69         20.98GVET141I52
     K23T04W KC2023 10 09.14788223 38 49.232+06 22 22.76         21.34GVET141I52
     K23T04W  C2023 10 09.34497423 38 07.252+06 27 46.22         20.29GVET141F52
     K23T04W  C2023 10 09.34578523 38 07.070+06 27 47.29         20.35GVET141F52
     K23T04W KC2023 10 10.12433923 35 22.20 +06 48 39.9          20.4 GXET141858
     K23T04W KC2023 10 10.13135323 35 20.40 +06 48 52.8          20.3 GXET141858
     K23T04W KC2023 10 10.13817823 35 18.63 +06 49 04.8          20.8 GXET141858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Bulger, J.
    Fairlamb, H. Gao, M. Huber, C.-C. Lin, T. Lowe, E. Magnier, P. Minguez, Y.
    Ramanjooloo, A. Schultz, I. Smith, R. Wainscoat, R. Weryk.  1.8-m Ritchey-
    Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, P. Minguez, A. Schultz, I. Smith.  Measurers S. Chastel, J.
    Fairlamb, M. Huber, 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.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m
    prime focus + CCD.

Orbital elements:
2023 TW4                                                 Earth MOID = 0.0059 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 326.18893              (2000.0)            P               Q                  
n   0.43535757     Peri.  106.74820     +0.16822762     -0.98572150             
a   1.7241378      Node   333.56373     +0.89808836     +0.15629631             
e   0.5000368      Incl.    0.93335     +0.40637024     +0.06264652             
P   2.26           H   25.61          G   0.15           U   9                  
Residuals in seconds of arc
231005 G96  0.1+  0.2-    231009 I52  0.3+  0.1+    231009 F52  0.2+  0.1-
231005 G96  0.1-  0.4+    231009 I52  0.3-  0.2+    231010 858  0.6-  0.5+
231008 F51  0.0   0.2-    231009 I52  0.1-  0.0     231010 858  0.3-  0.9+
231008 F51  0.1-  0.2-    231009 I52  0.1-  0.0     231010 858  0.0   0.7+
231008 F51  0.1-  0.2-    231009 F52  0.0   0.1+

Ephemeris:
2023 TW4                 a,e,i = 1.72, 0.50, 1                   q = 0.8620
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 10    00 09 44.6 +02 21 03   0.2940  1.2918   163.5    12.8    24.3
...
2023 09 25    00 02 47.7 +03 29 31   0.1762  1.1791   177.0     2.6    22.5
...
2023 10 03    23 53 08.8 +04 37 01   0.1214  1.1205   169.8     9.1    21.9
...
2023 10 09    23 39 14.9 +06 19 29   0.08310 1.0780   161.0    17.6    21.3
2023 10 10    23 35 46.6 +06 45 59   0.07693 1.0711   159.2    19.3    21.2
2023 10 11    23 31 45.5 +07 16 56   0.07082 1.0643   157.3    21.2    21.0
...
2023 10 17    22 41 00.7 +13 44 41   0.03586 1.0244   139.5    39.2    20.0
...
2023 10 25    14 55 46.7 +19 49 34   0.02342 0.9755    35.0   144.3    24.9
...
2023 11 09    12 48 56.1 +02 35 42   0.1121  0.9029    36.4   139.4    27.4

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-T141