[Iaude] MPEC V258: 2023 VH9 [a=1.87,e=0.77,i=3.3,H=26.4]

Wed Nov 15 10:42:02 EST 2023

M.P.E.C. 2023-V258                            Issued 2023 November 15, 15:40 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 VH9                                    


Observations:
     K23V09H* C2023 11 12.27729303 03 22.716+29 37 38.17         21.33GVEV258V00
     K23V09H  C2023 11 12.28279503 03 18.079+29 36 43.42         21.12GVEV258V00
     K23V09H  C2023 11 12.28829803 03 13.414+29 35 48.37         20.99GVEV258V00
     K23V09H  C2023 11 12.29381803 03 08.770+29 34 53.08         21.23GVEV258V00
     K23V09H KC2023 11 12.37727 03 02 00.05 +29 21 04.4          20.7 RVEV258291
     K23V09H KC2023 11 12.38167 03 01 56.55 +29 20 21.0          21.2 RVEV258291
     K23V09H KC2023 11 12.38608 03 01 53.05 +29 19 37.5          20.8 RVEV258291
     K23V09H KC2023 11 13.15340002 54 00.71 +27 33 38.7          21.1 GVEV258H21
     K23V09H KC2023 11 13.15912802 53 57.48 +27 32 58.7          21.3 GVEV258H21
     K23V09H KC2023 11 13.16485302 53 54.27 +27 32 18.6          20.9 GVEV258H21
     K23V09H KC2023 11 13.16781202 53 52.59 +27 31 57.5          21.3 GVEV258H21
     K23V09H KC2023 11 13.18985 02 53 43.21 +27 29 32.6          20.9 RVEV258691
     K23V09H KC2023 11 13.20552 02 53 34.52 +27 27 45.4          21.6 RVEV258691
     K23V09H KC2023 11 13.22241 02 53 25.16 +27 25 51.0                VEV258691
     K23V09H 1C2023 11 13.89469 02 48 24.50 +26 16 13.1          21.5 VXEV258033
     K23V09H 1C2023 11 13.89671 02 48 23.66 +26 16 02.1          21.3 VXEV258033
     K23V09H 1C2023 11 13.89874 02 48 22.82 +26 15 51.2          21.1 VXEV258033
     K23V09H 1C2023 11 13.90076 02 48 21.98 +26 15 40.2          21.4 VXEV258033
     K23V09H 1C2023 11 13.90278 02 48 21.14 +26 15 29.4          21.4 VXEV258033
     K23V09H KC2023 11 15.17159 02 41 45.88 +24 40 12.3          22.6 RVEV258291
     K23V09H KC2023 11 15.17701 02 41 44.37 +24 39 52.2                VEV258291
     K23V09H KC2023 11 15.18249 02 41 42.84 +24 39 32.3          22.4 RVEV258291

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
    Hogner, F. Ludwig, M. Hartmann, B. Stecklum.  Measurer B. Stecklum.
    1.34-m f/3 Schmidt + CCD.
291 LPL/Spacewatch II.  Observers C. Lejoly, T. H. Bressi.  1.8-m f/2.7
    reflector + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer C. Lejoly.  0.9-m f/3
    reflector + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.81-m f/4.0 astrograph + CCD.
V00 Kitt Peak-Bok.  Observer R. A. Mastaler.  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.

Orbital elements:
2023 VH9                                                 Earth MOID = 0.0086 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 355.73570              (2000.0)            P               Q                  
n   0.38453880     Peri.  260.70412     +0.46826072     +0.88292123             
a   1.8728771      Node    37.27985     -0.78676616     +0.43434218             
e   0.7733116      Incl.    3.25388     -0.40215781     +0.17831708             
P   2.56           H   26.44          G   0.15           U   9                  
Residuals in seconds of arc
231112 V00  0.3-  0.4-    231113 H21  0.0   0.2+    231113 033  0.6-  0.5+
231112 V00  0.1+  0.1+    231113 H21  0.1+  0.0     231113 033  0.5-  0.5+
231112 V00  0.0   0.2+    231113 H21  0.1-  0.4-    231113 033  0.4-  0.7+
231112 V00  0.2+  0.2+    231113 691  0.3-  0.4+    231115 291  0.7-  1.3+
231112 291  0.5-  0.0     231113 691  0.2-  0.3+    231115 291  0.6-  0.9+
231112 291  0.3-  0.1-    231113 691  0.4-  1.1+    231115 291  0.5-  0.8+
231112 291  0.2-  0.3-    231113 033  0.8-  0.5+
231113 H21  0.0   0.1+    231113 033  0.7-  0.4+

Ephemeris:
2023 VH9                 a,e,i = 1.87, 0.77, 3                   q = 0.4246
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 10 16    14 05 29.6 -14 59 34   0.3701  0.6409    12.5   160.3    34.4
...
2023 10 31    13 52 17.6 -11 13 25   0.1246  0.8694     6.9   172.1
...
2023 11 08    10 36 42.8 +38 44 45   0.01826 0.9882    80.8    98.2    21.3
...
2023 11 14    02 47 43.3 +26 07 33   0.08607 1.0744   169.8     9.4    21.9
2023 11 15    02 42 27.5 +24 51 28   0.1007  1.0885   169.4     9.7    22.3
2023 11 16    02 38 37.8 +23 54 05   0.1155  1.1025   168.4    10.3    22.6
...
2023 11 22    02 28 16.5 +21 01 42   0.2061  1.1850   161.4    15.4    24.2
...
2023 11 30    02 25 26.3 +19 42 01   0.3320  1.2907   152.8    20.4    25.6
...
2023 12 15    02 29 40.5 +19 04 25   0.5865  1.4763   138.6    26.2    27.3

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-V258