[Iaude] MPEC X08: 2021 VF2 [a=2.75,e=0.53,i=12.7,H=20.71]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 2 09:17:28 EST 2023


M.P.E.C. 2023-X08                              Issued 2023 December 2, 14:16 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 VF2                                    


                           Revision to MPEC 2021-V125                           

Additional Observations:
     K21V02F ZC2013 01 23.50356 09 24 38.88 -08 03 06.5          20.7 rWEX008F51
     K21V02F !C2013 02 03.21080 09 11 55.06 -08 55 29.8          21.6 z EX008W84
     K21V02F !C2013 02 03.22957 09 11 53.65 -08 55 31.4                 EX008W84
     K21V02F !C2013 02 03.24827 09 11 52.27 -08 55 33.2                 EX008W84
     K21V02F !C2013 02 03.26356 09 11 51.15 -08 55 34.5                 EX008W84
     K21V02F ZC2013 02 03.45062 09 11 38.57 -08 56 02.7          20.8 rWEX008F51
     K21V02F ZC2013 02 03.47421 09 11 36.83 -08 56 04.7          20.8 iWEX008F51
     K21V02F ZC2013 02 03.48695 09 11 35.89 -08 56 05.7          20.8 iWEX008F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
    Smith.  Measurer S. Deen.  1.8-m Ritchey-Chretien + CCD.
W84 Cerro Tololo-DECam.  Observer .  Measurer F. Valdes.  4.0-m CTIO
    reflector.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
130123 F51 0.11- 0.04-    130203 F51 0.11- 0.04-    MPO688032   -0.00 days

Orbital elements:
2021 VF2                                                 Earth MOID = 0.3155 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 141.28329              (2000.0)            P               Q                  
n   0.21664082     Peri.  163.18486     +0.27252026     -0.93656543             
a   2.7456332      Node   270.57675     +0.85545144     +0.34070441             
e   0.5282555      Incl.   12.73342     +0.44038113     -0.08225382             
P   4.55           H   20.71          G   0.15           U   0                  
Residuals in seconds of arc
130123 F51  0.0   0.2+    211105 H21  0.1-  0.1+    211201 G96  0.0   0.1+
130203 W84  0.3+  0.1-    211106 H21  0.1+  0.1+    211201 G96  0.0   0.1-
130203 W84  0.1-  0.0     211106 H21  0.2-  0.2+    211211 Z99  0.2+  0.3+
130203 W84  0.1-  0.1-    211107 H21  0.1+  0.1+    211211 Z99  0.1-  0.2+
130203 W84  0.1-  0.0     211107 H21  0.3+  0.2+    211211 Z99  0.1+  0.1+
130203 F51  0.1-  0.1+    211112 I52  0.2+  0.5-    211211 Z99  0.1-  0.4+
130203 F51  0.0   0.1+    211112 I52  0.4+  0.0     211229 C95  0.2-  0.8-
130203 F51  0.0   0.1+    211112 I52  0.2-  0.3+    211229 C95  1.4-  0.6-
211011 G96  0.5-  0.9+    211112 I52  0.2-  0.1+    211229 C95  0.1+  0.0
211011 G96  0.0   0.9+    211114 I52  0.3-  0.1+    220103 858  0.1-  0.0
211103 G96  0.1-  0.4+    211114 I52  0.3+  0.1-    220103 858  0.3-  0.1+
211103 G96  0.2-  0.0     211115 I52  0.2+  0.1+    220103 807  0.1+  0.1-
211103 G96  0.1-  0.1+    211115 I52  0.0   0.1+    220103 807  0.1+  0.2-
211103 I52  0.2+  0.1+    211115 I52  0.0   0.2+    220103 807  0.1-  0.3-
211103 I52  0.2-  0.1+    211128 V00  0.0   0.0     220107 G96  0.0   0.0
211104 H21  0.4-  0.2-    211128 V00  0.0   0.0     220107 G96  0.1+  0.1+
211104 H21  0.3-  0.5+    211128 V00  0.0   0.0     220107 G96  0.0   0.1-
211105 C95  0.5+  0.4+    211128 V00  0.0   0.0     220107 G96  0.1-  0.0
211105 C95  0.8-  0.3+    211128 I52  1.3+  0.8+    220207 691  0.6+  0.0
211105 L01  0.2+  0.0     211128 I52  0.2+  0.5+    220207 691  0.7-  0.2+
211105 L01  0.6+  0.1+    211128 I52  0.1-  0.2+    220207 691  0.4+  0.1-
211105 L01  0.4-  0.6+    211128 I52  0.3-  0.2+    220220 H21  0.2-  0.5+
211105 L01  0.3+  0.9-    211201 G96  0.1-  0.0     220220 H21  0.2-  0.3+
211105 H21  0.1+  0.3+    211201 G96  0.0   0.1-

Ephemeris:
2021 VF2                 a,e,i = 2.75, 0.53, 13                  q = 1.2952
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 02    15 43 43.5 -24 35 17   5.0348  4.1222    20.8     4.9    27.7
...
2023 11 17    16 00 28.4 -25 09 30   5.1084  4.1385    10.1     2.4    27.6
...
2023 11 25    16 09 32.4 -25 26 37   5.1283  4.1463     5.3     1.3    27.5
...
2023 12 01    16 16 21.7 -25 38 45   5.1342  4.1518     4.5     1.1    27.5
2023 12 02    16 17 29.9 -25 40 42   5.1344  4.1527     4.8     1.1    27.5
2023 12 03    16 18 38.2 -25 42 38   5.1345  4.1536     5.2     1.2    27.5
...
2023 12 09    16 25 27.1 -25 53 49   5.1301  4.1586     8.6     2.0    27.6
...
2023 12 17    16 34 29.1 -26 07 30   5.1121  4.1649    14.2     3.3    27.7
...
2024 01 01    16 51 03.8 -26 29 01   5.0418  4.1751    25.4     5.8    27.8

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X08




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