[Iaude] MPEC T189: 2021 SV2 [a=1.55,e=0.44,i=7.4,H=21.80]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Oct 12 10:13:08 EDT 2023


M.P.E.C. 2023-T189                             Issued 2023 October 12, 14:11 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

                                    2021 SV2                                    


                           Revision to MPEC 2021-T07                            

Additional Observations:
     K21S02V  C2020 04 24.21331 11 02 17.34 -19 54 27.1          20.3 GVET189G96
     K21S02V  C2020 04 24.21862 11 02 17.99 -19 54 21.0          22.2 GVET189G96
     K21S02V  C2020 04 24.22393 11 02 18.56 -19 54 17.4          21.0 GVET189G96
     K21S02V KC2023 10 11.47704307 16 21.740+44 39 02.20         22.82GVET189V06
     K21S02V KC2023 10 11.48267707 16 24.910+44 38 56.60               VET189V06
     K21S02V KC2023 10 11.48830907 16 28.180+44 38 52.20         22.15GVET189V06
     K21S02V KC2023 10 11.49394307 16 31.370+44 38 47.30               VET189V06

Observer details:
G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  1.5-m reflector + 10K CCD.
V06 Catalina Sky Survey-Kuiper.  Observer J. B. Fazekas.  Measurers E. C.
    Beshore, 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.  1.55-m reflector +
    1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
200424 G96 81.2+ 47.4+    231011 V06 76.8+ 57.0+    E2023-O30   +0.03 days

Orbital elements:
2021 SV2                                                 Earth MOID = 0.0795 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 317.58657              (2000.0)            P               Q                  
n   0.50894819     Peri.  169.55465     -0.25076307     -0.96088185             
a   1.5536517      Node   294.88593     +0.87855848     -0.17489368             
e   0.4403359      Incl.    7.44705     +0.40651307     -0.21475164             
P   1.94           H   21.80          G   0.15           U   1                  
Residuals in seconds of arc
200424 G96  0.8-  0.6-    210930 104  0.2-  0.0     211024 G96  0.1+  0.0
200424 G96  0.3+  0.9+    211001 L01  0.1-  0.4+    211029 I52  0.1+  0.1-
200424 G96  0.3+  0.1-    211001 L01  0.3-  0.6+    211029 I52  0.2+  0.2+
210927 F51  0.1-  0.2-    211001 L01  0.3-  0.3+    211029 I52  0.0   0.1+
210927 F51  0.4-  0.0     211001 J95  0.2+  0.1-    211029 I52  0.6+  0.2-
210927 F51  0.1-  0.1-    211001 J95  0.3-  0.1-    211105 T12  0.1-  0.0
210929 F52  0.1-  0.1-    211008 V06  0.0   0.1+    211105 T12  0.1-  0.0
210929 F52  0.0   0.0     211008 V06  0.1+  0.1-    211109 I52  0.3+  0.1+
210929 F52  0.0   0.0     211008 V06  0.2-  0.1-    211109 I52  0.9-  0.1+
210929 F52  0.3+  0.2-    211008 V06  0.1+  0.3-    211113 691  0.0   0.0
210929 F51  0.1+  0.1-    211011 C95  0.2-  0.1+    211113 691  0.2-  0.1-
210929 F51  0.1+  0.1-    211011 C95  0.7-  0.5+    211115 I52  1.7+  0.2+
210929 L06  0.0   0.1+    211011 C95  0.1-  0.0     211115 I52  0.0   0.1+
210929 L06  0.6+  0.1-    211011 C95  0.0   0.0     211115 I52  0.1-  0.7+
210930 679  0.2-  0.4-    211013 H21  0.0   0.0     211115 I52  0.4-  0.2-
210930 679  0.1+  0.2-    211013 H21  0.1+  0.0     220403 807  0.2+  0.0
210930 679  0.3+  0.4-    211013 H21  0.1+  0.2+    220403 807  0.2+  0.1+
210930 F51  0.0   0.1-    211014 F52  0.0   0.1-    220403 807  0.3-  0.1-
210930 F51  0.1+  0.2-    211014 F52  0.0   0.2-    231011 V06  0.0   0.4-
210930 F51  0.0   0.1-    211014 F52  0.1+  0.2-    231011 V06  0.5-  1.0-
210930 F51  0.0   0.1-    211024 G96  0.2-  0.0     231011 V06  0.1+  0.4-
210930 104  0.3+  0.7-    211024 G96  0.0   0.1+    231011 V06  0.2-  0.3-
210930 104  0.1-  0.3+    211024 G96  0.0   0.2+

Ephemeris:
2021 SV2                 a,e,i = 1.55, 0.44, 7                   q = 0.8695
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 12    03 40 40.2 +37 08 12   0.5489  1.2750   106.3    49.3    22.9
...
2023 09 27    05 09 10.6 +43 32 30   0.4336  1.1738   102.3    56.6    22.4
...
2023 10 05    06 15 11.0 +45 13 43   0.3893  1.1209    97.7    62.2    22.2
...
2023 10 11    07 11 43.2 +44 45 58   0.3656  1.0823    93.2    67.1    22.2
2023 10 12    07 21 24.6 +44 30 30   0.3625  1.0760    92.4    68.0    22.1
2023 10 13    07 31 06.7 +44 11 45   0.3596  1.0697    91.5    68.8    22.1
...
2023 10 19    08 28 06.9 +41 11 11   0.3481  1.0332    86.2    74.2    22.2
...
2023 10 27    09 35 34.9 +34 37 01   0.3475  0.9878    78.9    80.9    22.3
...
2023 11 11    11 08 10.8 +19 06 02   0.3875  0.9181    68.0    89.0    22.7

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-T189




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