[Iaude] MPEC S122: 2023 SW2 [a=1.33,e=0.18,i=9.4,H=23.7]

Wed Sep 20 18:01:29 EDT 2023

M.P.E.C. 2023-S122                           Issued 2023 September 20, 21:59 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 SW2                                    


Observations:
     K23S02W* C2023 09 18.30537722 43 31.960+16 38 46.55         22.45wXES122F51
     K23S02W  C2023 09 18.31769022 43 29.853+16 39 13.54         22.77wXES122F51
     K23S02W  C2023 09 18.34259822 43 25.612+16 40 07.82         22.18wXES122F51
     K23S02W KC2023 09 19.15657622 41 20.440+17 09 01.26         21.71GVES122V06
     K23S02W KC2023 09 19.16054822 41 19.781+17 09 09.83         21.57GVES122V06
     K23S02W KC2023 09 19.16451822 41 19.108+17 09 18.50         21.64GVES122V06
     K23S02W KC2023 09 19.16849222 41 18.445+17 09 27.14         21.75GVES122V06
     K23S02W 1C2023 09 19.91291 22 39 22.06 +17 35 34.6          20.9 VXES122033
     K23S02W 1C2023 09 19.91649 22 39 21.47 +17 35 42.3          21.0 VXES122033
     K23S02W KC2023 09 20.15004322 38 46.02 +17 44 01.1          21.2 VuES122H21
     K23S02W KC2023 09 20.16123122 38 44.13 +17 44 24.5          21.2 VuES122H21
     K23S02W KC2023 09 20.16580122 38 43.33 +17 44 34.1          21.9 VuES122H21
     K23S02W 1C2023 09 20.86063 22 36 56.57 +18 08 39.6          21.2 VXES122033
     K23S02W 1C2023 09 20.86422 22 36 55.95 +18 08 47.0          20.9 VXES122033
     K23S02W 1C2023 09 20.86780 22 36 55.35 +18 08 54.9          21.2 VXES122033
     K23S02W 1C2023 09 20.87145 22 36 54.76 +18 09 02.3          20.7 VXES122033

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hogner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
    1.34-m f/3 Schmidt + 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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer K. W. Wierzchos.  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.  1.55-m
    reflector + 1K CCD.

Orbital elements:
2023 SW2                                                 Earth MOID = 0.1881 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 309.41447              (2000.0)            P               Q                  
n   0.64310153     Peri.   88.32706     +0.51451863     -0.85360993             
a   1.3292796      Node   330.25788     +0.70699481     +0.47600324             
e   0.1769441      Incl.    9.44003     +0.48521018     +0.21159160             
P   1.53           H   23.72          G   0.15           U   9                  
Residuals in seconds of arc
230918 F51  0.0   0.0     230919 V06  0.0   0.1+    230920 033  0.4+  0.3+
230918 F51  0.1-  0.0     230919 033  0.1-  0.1+    230920 033  0.0   0.2+
230918 F51  0.1+  0.0     230919 033  0.0   0.3+    230920 033  0.1-  0.6+
230919 V06  0.0   0.0     230920 H21  0.1+  0.0     230920 033  0.1+  0.3+
230919 V06  0.1+  0.0     230920 H21  0.1+  0.3-
230919 V06  0.0   0.0     230920 H21  0.3-  0.3-

Ephemeris:
2023 SW2                 a,e,i = 1.33, 0.18, 9                   q = 1.0941
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 21    23 37 35.6 +00 01 46   0.2826  1.2691   152.4    21.7    22.5
...
2023 09 05    23 15 14.1 +08 24 21   0.2288  1.2296   163.5    13.4    21.7
...
2023 09 13    22 56 59.0 +13 23 40   0.2119  1.2092   161.4    15.4    21.6
...
2023 09 19    22 41 43.2 +17 03 39   0.2047  1.1945   155.8    20.2    21.7
2023 09 20    22 39 08.7 +17 39 00   0.2040  1.1921   154.7    21.1    21.7
2023 09 21    22 36 34.6 +18 13 51   0.2033  1.1897   153.5    22.1    21.7
...
2023 09 27    22 21 40.2 +21 30 35   0.2017  1.1758   146.4    28.2    21.8
...
2023 10 05    22 04 33.4 +25 14 17   0.2044  1.1584   137.1    36.0    22.1
...
2023 10 20    21 46 47.8 +30 21 21   0.2186  1.1302   123.1    47.6    22.5

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S122