[Iaude] MPEC J224: 2017 GS4 [a=1.72,e=0.57,i=17.2,H=19.68]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Thu May 9 10:15:19 EDT 2024


M.P.E.C. 2024-J224                                  Issued 2024 May 9, 14:13 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 GS4                                    


                           Revision to MPEC 2017-G48                            

Additional Observations:
     K17G04S KC2024 05 02.43605617 03 38.560-14 17 56.13         22.7 GVEJ224V06
     K17G04S KC2024 05 02.45713917 03 36.646-14 17 59.61         22.7 GVEJ224V06
     K17G04S KC2024 05 07.42017216 55 55.128-14 30 55.33         22.22GVEJ224V06
     K17G04S KC2024 05 07.42816116 55 54.336-14 30 56.56         22.52GVEJ224V06
     K17G04S KC2024 05 07.43611816 55 53.497-14 30 57.78         21.44GVEJ224V06
     K17G04S KC2024 05 08.38977016 54 19.865-14 33 29.95         21.97GVEJ224V06
     K17G04S KC2024 05 08.39613616 54 19.224-14 33 30.96         22.38GVEJ224V06
     K17G04S KC2024 05 08.40250316 54 18.576-14 33 32.11         22.55GVEJ224V06
     K17G04S KC2024 05 08.40898316 54 17.917-14 33 33.08         22.12GVEJ224V06

Observer details:
V06 Catalina Sky Survey-Kuiper.  Observers D. Rankin, H. Groeller.  Measurers
    D. Rankin, D. Parrott, 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, R. L. Seaman, F. C. Shelly, K. W.
    Wierzchos.  1.55-m f/6.3 reflector + CCD, 1.55-m reflector + 1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240502 V06 0.06+ 0.03+    240508 V06 0.06+ 0.03+    MPO750185   +0.19 days

Orbital elements:
2017 GS4                                                 Earth MOID = 0.1978 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M  70.86491              (2000.0)            P               Q                  
n   0.43685487     Peri.   20.12168     -0.10600980     -0.95197973             
a   1.7201960      Node    76.82324     +0.86718203     -0.22985410             
e   0.5731303      Incl.   17.15686     +0.48657707     +0.20224168             
P   2.26           H   19.68          G   0.15           U   2                  
Residuals in seconds of arc
170401 D29  0.9+  0.4+    170403 I52  0.2+  0.1-    170421 I52  0.3+  0.3-
170401 D29  0.8+  0.2+    170403 I52  0.4+  0.3+    170421 I52  0.3+  0.1-
170401 D29  1.7+  0.6-    170403 104  0.2+  0.2-    170423 G96  0.8-  0.0
170402 033  0.4+  0.2+    170403 K88  0.8+  0.8+    170423 G96  0.5-  0.0
170402 033  0.3+  0.0     170403 K88  0.3+  0.1-    170423 G96  0.2-  0.3+
170402 033  0.2+  0.1+    170403 104  0.3+  0.2-    170423 G96  0.4-  0.4-
170402 033  0.2+  0.1+    170403 104  0.4+  0.1+    170503 G96  0.5+  0.5+
170402 033  0.8+  0.4+    170404 691  0.4+  0.4+    170503 G96  0.3+  0.0
170402 033  0.3+  0.2+    170404 291  0.4+  0.1+    170503 G96  0.9+  0.0
170402 033  0.1+  0.0     170404 691  0.1+  0.2+    170503 G96  0.2-  0.3-
170402 K88  0.2+  0.1+    170404 291  0.3+  0.2+    170503 I52  0.4-  0.2-
170402 K88  0.2+  0.3+    170404 291  0.2+  0.0     170503 I52  0.5-  0.2+
170402 K88  0.1+  0.1+    170404 691  0.1+  0.0     170503 I52  0.2-  0.2-
170402 I93  0.4-  0.0     170406 H45  0.5+  0.5+    170503 I52  0.5-  0.1+
170402 I93  0.3+  0.1+    170406 H45  0.8+  0.7+    240502 V06  0.0   0.0
170403 I93  1.0+  0.7+    170406 H45  0.5+  0.6+    240502 V06  0.0   0.3-
170403 106  0.6-  0.5-    170406 H45  0.5+  1.0+    240507 V06  0.1+  0.1-
170403 106  0.4-  0.0     170406 H45  0.1+  0.2+    240507 V06  0.2+  0.0
170403 106  0.3+  0.3+    170406 H45  0.5+  0.2+    240507 V06  0.4-  0.0
170403 118  1.1-  0.8-    170411 705  0.6+  0.0     240508 V06  0.0   0.2+
170403 118  1.2-  0.3-    170411 705  0.1-  0.1-    240508 V06  0.1+  0.2+
170403 118  1.5-  0.3-    170411 705  0.0   0.2-    240508 V06  0.1+  0.0
170403 I52  0.4+  0.0     170421 I52  0.1+  0.2-    240508 V06  0.1+  0.1+
170403 I52  0.2+  0.2-    170421 I52  0.5+  0.0

Ephemeris:
2017 GS4                 a,e,i = 1.72, 0.57, 17                  q = 0.7343
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 04 09    17 26 47.7 -13 26 41   1.3312  1.9971   117.1    26.5    23.0
...
2024 04 24    17 14 40.8 -13 57 17   1.2556  2.0868   134.4    20.1    22.8
...
2024 05 02    17 04 16.9 -14 16 44   1.2295  2.1319   144.5    15.9    22.6
...
2024 05 08    16 54 58.5 -14 32 22   1.2191  2.1644   152.3    12.5    22.5
2024 05 09    16 53 19.2 -14 35 03   1.2182  2.1697   153.7    11.9    22.5
2024 05 10    16 51 38.4 -14 37 44   1.2176  2.1750   155.0    11.3    22.5
...
2024 05 16    16 41 08.8 -14 54 04   1.2196  2.2061   162.9     7.7    22.4
...
2024 05 24    16 26 35.8 -15 16 08   1.2384  2.2460   172.3     3.5    22.2
...
2024 06 08    16 00 53.0 -15 57 37   1.3250  2.3159   163.4     7.2    22.6

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-J224





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