[Iaude] MPEC S221: 2023 SS6 [a=1.27,e=0.33,i=5.2,H=25.4]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-S221                           Issued 2023 September 26, 11:16 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 SS6                                    


Observations:
     K23S06S* C2023 09 22.85919021 58 52.298-32 53 18.78         18.95oVES221M22
     K23S06S  C2023 09 22.86337221 59 01.327-32 52 39.43         19.12oVES221M22
     K23S06S  C2023 09 22.87088121 59 17.791-32 51 27.68         19.06oVES221M22
     K23S06S  C2023 09 22.88097221 59 39.655-32 49 51.53         19.05oVES221M22
     K23S06S mC2023 09 23.24715522 12 50.800-31 57 46.51         18.93GVES221I52
     K23S06S mC2023 09 23.24740922 12 51.246-31 57 43.78         18.94GVES221I52
     K23S06S mC2023 09 23.24766022 12 51.750-31 57 41.76         18.72GVES221I52
     K23S06S mC2023 09 23.24791122 12 52.211-31 57 39.17         18.65GVES221I52
     K23S06S KB2023 09 24.04459422 36 09.378-29 57 53.25               XES221Y05
     K23S06S KB2023 09 24.05227822 36 20.080-29 56 49.77         19.1 GXES221Y05
     K23S06S KB2023 09 24.05983322 36 30.546-29 55 47.18         19.8 GXES221Y05
     K23S06S KC2023 09 24.06524 22 36 46.10 -29 54 40.2          19.7 GVES221W94
     K23S06S KC2023 09 24.07146 22 36 54.74 -29 53 51.2          20.0 GVES221W94
     K23S06S KC2023 09 24.07766 22 37 03.33 -29 53 01.9          20.3 GVES221W94
     K23S06S KC2023 09 26.20473923 15 34.35 -25 54 08.1          19.8 GXES221858
     K23S06S KC2023 09 26.21098823 15 38.75 -25 53 34.9          19.3 GXES221858
     K23S06S KC2023 09 26.21723523 15 43.19 -25 53 00.9          19.5 GXES221858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer A. Serrano.  Measurers
    E. J. Christensen, 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, A. Serrano, F. C. Shelly, K. W.
    Wierzchos.  1.0-m prime focus + CCD.
M22 ATLAS South Africa, Sutherland.  Observers L. Denneau, R. Siverd, J.
    Tonry, H. Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A.
    Lawrence, J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector +
    CCD.
W94 MAP, San Pedro de Atacama.  Observers A. Maury, G. Attard.  Measurers D.
    Parrott, F. Signoret, J.-M. Mari.  0.28-m f/2.2 Schmidt astrograph + CCD.
Y05 SONEAR Wykrota-CEAMIG, Serra da Piedade.  Observer C. Jacques.  0.45-m
    f/2.9 reflector + CMO.

Orbital elements:
2023 SS6                                                 Earth MOID = 0.0026 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  32.06381              (2000.0)            P               Q                  
n   0.69021827     Peri.  113.94378     +0.29052009     +0.95680350             
a   1.2680754      Node   172.91749     -0.90759163     +0.27924333             
e   0.3295019      Incl.    5.20556     -0.30310974     +0.08093352             
P   1.43           H   25.42          G   0.15           U   8                  
Residuals in seconds of arc
230922 M22  0.9+  0.0     230923 I52  0.2+  0.2-    230924 W94  0.5-  0.3-
230922 M22  0.8-  0.1-    230923 I52  0.0   0.1+    230924 W94  0.4-  0.4-
230922 M22  0.2-  0.5+    230924 Y05  0.4-  0.3+    230926 858  0.2+  0.4+
230922 M22  1.8-  0.7+    230924 Y05  0.1-  0.7+    230926 858  0.1-  0.4-
230923 I52  0.2+  0.2-    230924 Y05  0.2-  1.0+    230926 858  0.3+  0.4-
230923 I52  0.2-  0.1+    230924 W94  0.5-  0.2+

Ephemeris:
2023 SS6                 a,e,i = 1.27, 0.33, 5                   q = 0.8502
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 27    13 00 28.0 +08 54 51   0.1425  0.9051    39.4   134.8    27.2
...
2023 09 11    13 49 14.1 +01 23 22   0.05301 0.9662    38.7   139.3    25.7
...
2023 09 19    17 28 31.4 -30 50 32   0.01846 1.0043    87.7    91.2    20.0
...
2023 09 25    22 56 46.6 -27 56 13   0.03705 1.0344   147.2    31.7    19.7
2023 09 26    23 12 45.3 -26 10 35   0.04229 1.0396   149.7    29.1    19.9
2023 09 27    23 24 52.0 -24 43 07   0.04769 1.0447   151.6    27.2    20.1
...
2023 10 03    00 01 10.6 -19 35 09   0.08213 1.0761   155.4    22.8    21.2
...
2023 10 11    00 18 36.9 -16 23 02   0.1314  1.1185   154.4    22.7    22.3
...
2023 10 26    00 33 24.6 -12 39 36   0.2344  1.1983   147.3    26.6    23.9

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S221