[Iaude] MPEC F99: 2017 SM19 [a=1.29,e=0.06,i=24.0,H=22.23]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Fri Mar 29 10:28:07 EDT 2024


M.P.E.C. 2024-F99                                Issued 2024 March 29, 14:26 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

                                   2017 SM19                                    


                           Revision to MPEC 2017-S224                           

Additional Observations:
     K17S19M KC2024 03 19.32670111 44 16.800+36 38 45.96         22.00GVEF099I52
     K17S19M KC2024 03 19.33952711 44 13.456+36 38 15.72         22.46GVEF099I52
     K17S19M KC2024 03 19.34591811 44 11.843+36 38 00.02         21.47GVEF099I52
     K17S19M KC2024 03 28.25435211 11 19.900+29 59 16.04         21.40GVEF099I52
     K17S19M KC2024 03 28.28065911 11 14.521+29 58 00.23         21.29GVEF099I52
     K17S19M KC2024 03 28.29246411 11 12.192+29 57 25.13         21.76GVEF099I52
     K17S19M KC2024 03 28.30427511 11 09.834+29 56 51.11         21.48GVEF099I52

Observer details:
I52 Steward Observatory, Mt. Lemmon Station.  Observers R. A. Kowalski, T.
    Beuden.  Measurers T. Beuden, V. F. Carvajal, 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.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240319 I52 0.12+ 0.11+    240328 I52 0.11+ 0.10+    E2023-X02   +0.07 days

Orbital elements:
2017 SM19                                                Earth MOID = 0.2330 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 120.85198              (2000.0)            P               Q                  
n   0.67197476     Peri.   39.21046     +0.60570739     -0.78914606             
a   1.2909242      Node    14.48921     +0.58848448     +0.35816750             
e   0.0572703      Incl.   24.01358     +0.53554139     +0.49896346             
P   1.47           H   22.23          G   0.15           U   2                  
Residuals in seconds of arc
170924 F51  0.0   0.3-    170926 G96  0.4-  0.1-    171021 I52  0.5-  0.0
170924 F51  0.1-  0.0     170926 G96  0.1-  0.5-    171021 I52  0.4-  0.5-
170924 F51  0.1+  0.0     170926 H21  0.2+  0.2-    171029 291  0.1-  0.4+
170924 F51  0.0   0.2+    170926 G96  0.4-  0.4+    171029 291  0.3+  0.4+
170925 H21  0.0   0.1+    170926 G96  0.6+  0.3-    171029 291  0.7+  1.1+
170925 H21  0.1-  0.0     170929 926  0.3+  0.4-    240319 I52  0.2+  0.1+
170925 H21  0.3-  0.3+    170929 926  0.0   0.4+    240319 I52  0.2-  0.5+
170925 291  0.6-  0.3+    170929 926  0.1+  0.1-    240319 I52  0.2+  0.1+
170925 291  0.0   0.3-    171011 G96  0.4+  0.1-    240328 I52  1.0+  0.6-
170925 568  0.0   0.2+    171011 G96  0.1+  0.1-    240328 I52  0.5-  0.3+
170925 568  0.0   0.2+    171011 G96  0.6+  0.5-    240328 I52  0.2-  0.3-
170925 568  0.0   0.2+    171011 G96  0.1+  0.0     240328 I52  0.2-  0.2+
170926 H21  0.1+  0.0     171021 I52  0.2-  0.1+
170926 H21  0.3+  0.4-    171021 I52  0.6-  0.3+

Ephemeris:
2017 SM19                a,e,i = 1.29, 0.06, 24                  q = 1.2170
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 28    13 10 09.0 +44 26 31   0.4197  1.3070   131.6    34.5    22.4
...
2024 03 14    12 07 14.6 +39 47 55   0.3848  1.3192   142.1    27.6    22.0
...
2024 03 22    11 33 32.2 +34 48 02   0.3834  1.3253   143.8    26.4    22.0
...
2024 03 28    11 12 08.7 +30 11 39   0.3917  1.3297   142.3    27.3    22.0
2024 03 29    11 08 59.7 +29 23 01   0.3939  1.3304   141.8    27.6    22.1
2024 03 30    11 05 58.1 +28 33 54   0.3962  1.3311   141.3    28.0    22.1
...
2024 04 05    10 50 25.8 +23 35 01   0.4149  1.3352   137.3    30.6    22.3
...
2024 04 13    10 36 23.7 +17 06 38   0.4506  1.3404   130.6    34.6    22.6
...
2024 04 28    10 26 32.6 +06 35 38   0.5417  1.3489   118.0    41.2    23.2

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-F99





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