[Iaude] MPEC S167: 2023 SN4 [a=2.42,e=0.56,i=2.1,H=26.9]

Fri Sep 22 21:37:02 EDT 2023

M.P.E.C. 2023-S167                           Issued 2023 September 23, 01:35 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 SN4                                    


Observations:
     K23S04N* C2023 09 20.32223623 20 05.665-07 07 48.32               VES167V00
     K23S04N  C2023 09 20.32774623 20 10.140-07 07 35.15         21.57GVES167V00
     K23S04N  C2023 09 20.33324723 20 14.622-07 07 22.37         21.11GVES167V00
     K23S04N  C2023 09 20.33875023 20 19.122-07 07 09.44         20.86GVES167V00
     K23S04N KC2023 09 20.39090423 21 01.955-07 05 07.37         21.15GVES167V06
     K23S04N KC2023 09 20.39474523 21 05.130-07 04 58.37         21.09GVES167V06
     K23S04N KC2023 09 20.39666623 21 06.746-07 04 53.51         21.14GVES167V06
     K23S04N KC2023 09 21.23156523 33 37.559-06 31 21.76         20.84GVES167I52
     K23S04N KC2023 09 21.23294623 33 38.693-06 31 18.88         21.20GVES167I52
     K23S04N KC2023 09 21.23432523 33 39.834-06 31 16.32         21.15GVES167I52
     K23S04N KC2023 09 21.23571123 33 41.123-06 31 11.75         20.89GVES167I52
     K23S04N KC2023 09 21.23716423 33 42.397-06 31 09.12         20.57GVES167I52
     K23S04N KC2023 09 21.23865223 33 43.560-06 31 04.30         21.00GVES167I52
     K23S04N KC2023 09 21.24014523 33 44.932-06 31 01.16         21.67GVES167I52
     K23S04N KC2023 09 21.24163823 33 46.152-06 30 57.71         21.40GVES167I52
     K23S04N KC2023 09 22.98255300 00 45.612-05 13 29.60         21.0 GVES167J95
     K23S04N KC2023 09 23.00482800 01 05.846-05 12 25.96         20.6 GVES167J95

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m prime focus + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, C. E.
    Woodward, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, C. Lejoly, G. J. Leonard, R. A.
    Mastaler, R. S. McMillan, D. Rankin, R. L. Seaman, A. Serrano, F. C.
    Shelly, K. W. Wierzchos.  2.25-m reflector + 4x4K mosaic 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 SN4                                                 Earth MOID = 0.0532 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 355.77946              (2000.0)            P               Q                  
n   0.26163604     Peri.  193.80596     +0.99393451     -0.10987113             
a   2.4210532      Node   172.49709     +0.10403479     +0.92539316             
e   0.5643025      Incl.    2.08308     +0.03565043     +0.36273384             
P   3.77           H   26.97          G   0.15           U   9                  
Residuals in seconds of arc
230920 V00  0.3+  0.3-    230920 V06  0.3+  0.2+    230921 I52  0.6-  0.1+
230920 V00  0.0   0.1+    230921 I52  0.1-  0.2+    230921 I52  0.9+  0.5-
230920 V00  0.2-  0.1+    230921 I52  0.7-  0.3-    230921 I52  0.1+  0.7-
230920 V00  0.1-  0.1+    230921 I52  1.2-  1.2-    230922 J95  0.5+  0.1+
230920 V06  0.1+  0.1+    230921 I52  0.4+  0.1-    230923 J95  0.5-  0.1+
230920 V06  0.0   0.0     230921 I52  1.0+  1.0-

Ephemeris:
2023 SN4                 a,e,i = 2.42, 0.56, 2                   q = 1.0548
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 24    20 32 17.1 -11 41 44   0.1460  1.1463   156.2    20.8    24.1
...
2023 09 08    21 19 38.9 -11 02 02   0.08823 1.0875   153.7    24.2    23.0
...
2023 09 16    22 24 44.7 -09 16 40   0.06502 1.0677   162.0    16.9    22.1
...
2023 09 22    23 45 18.3 -05 56 36   0.05493 1.0586   174.2     5.5    21.2
2023 09 23    00 01 00.7 -05 10 27   0.05416 1.0577   175.0     4.7    21.2
2023 09 24    00 17 02.8 -04 21 27   0.05368 1.0568   174.0     5.7    21.2
...
2023 09 30    01 50 15.1 +00 47 52   0.05709 1.0549   158.1    20.7    21.9
...
2023 10 08    03 16 44.5 +05 40 47   0.07457 1.0607   144.0    33.6    22.9
...
2023 10 23    04 21 21.3 +09 24 29   0.1244  1.0961   142.2    33.8    24.1

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S167