[Iaude] MPEC X143: 2023 XB4 [a=1.60,e=0.46,i=0.8,H=28.1]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 7 20:50:26 EST 2023


M.P.E.C. 2023-X143                             Issued 2023 December 8, 01:48 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 XB4                                    


Observations:
     K23X04B*1C2023 12 03.22195603 18 08.406+24 38 45.10         21.20GVEX143G96
     K23X04B 1C2023 12 03.22753703 18 07.506+24 38 56.47         22.15GVEX143G96
     K23X04B 1C2023 12 03.23311403 18 06.570+24 39 06.41         20.96GVEX143G96
     K23X04B 1C2023 12 03.23868303 18 05.656+24 39 16.88               VEX143G96
     K23X04B KC2023 12 03.27115503 18 00.256+24 40 15.02         21.76GVEX143I52
     K23X04B KC2023 12 03.27542903 17 59.579+24 40 22.30         21.89GVEX143I52
     K23X04B KC2023 12 03.27969203 17 58.844+24 40 29.71         22.04GVEX143I52
     K23X04B  C2023 12 07.32450403 04 44.935+30 58 24.31         19.21oVEX143T08
     K23X04B  C2023 12 07.32592703 04 43.531+30 58 48.94         19.41oVEX143T08
     K23X04B  C2023 12 07.32910003 04 40.382+30 59 44.48         19.15oVEX143T08
     K23X04B  C2023 12 07.33576603 04 33.766+31 01 39.65         19.25oVEX143T08
     K23X04B KC2023 12 07.72680702 59 56.549+33 10 07.86         18.5 GVEX143M60
     K23X04B KC2023 12 07.73061802 59 51.979+33 11 52.84         19.9 GVEX143M60
     K23X04B KC2023 12 07.73439102 59 47.354+33 13 40.44         19.3 GVEX143M60
     K23X04B KC2023 12 07.74007202 59 40.19 +33 15 45.8          18.1 GVEX143L06
     K23X04B KC2023 12 07.74228302 59 37.44 +33 16 48.5          18.2 GVEX143L06
     K23X04B KC2023 12 07.74500602 59 34.08 +33 18 05.3          18.2 GVEX143L06
     K23X04B KC2023 12 07.76641202 59 04.76 +33 28 28.4          18.5 GVEX143K51
     K23X04B KC2023 12 07.77183502 58 57.47 +33 31 05.5          18.9 GVEX143K51
     K23X04B KC2023 12 07.77725302 58 50.07 +33 33 42.9          18.6 GVEX143K51
     K23X04B KC2023 12 07.77876302 58 50.31 +33 34 17.8                VEX143204
     K23X04B KC2023 12 07.78251002 58 45.16 +33 36 07.8                VEX143204
     K23X04B KC2023 12 07.78630902 58 39.90 +33 37 59.5          18.8 GVEX143204
     K23X04B KC2023 12 07.82598802 57 37.36 +33 58 09.9          18.8 GVEX143L01
     K23X04B KC2023 12 07.82674102 57 36.19 +33 58 32.8          18.8 GVEX143L01
     K23X04B KC2023 12 07.82749702 57 35.04 +33 58 55.6          18.8 GVEX143L01
     K23X04B KC2023 12 07.82825202 57 33.87 +33 59 18.6          18.9 GVEX143L01
     K23X04B KC2023 12 07.82929102 57 32.24 +33 59 50.2          18.9 GVEX143L01
     K23X04B KC2023 12 07.83903 02 57 12.97 +34 06 30.9          19.1 VZEX143M63
     K23X04B KC2023 12 07.84226 02 57 07.69 +34 08 10.1          19.7 VZEX143M63
     K23X04B KC2023 12 07.84550 02 57 02.43 +34 09 48.4          19.1 VZEX143M63
     K23X04B KC2023 12 07.85657002 56 52.05 +34 14 06.5          18.5 GVEX143104
     K23X04B KC2023 12 07.85880302 56 48.41 +34 15 15.9          18.4 GVEX143104
     K23X04B KC2023 12 07.86104002 56 44.71 +34 16 25.7          18.5 GVEX143104
     K23X04B KC2023 12 07.86775302 56 33.56 +34 19 55.8          18.5 GVEX143104
     K23X04B KC2023 12 07.87473 02 56 15.93 +34 25 23.2          19.3 VqEX143L90
     K23X04B KC2023 12 07.88258 02 56 01.99 +34 29 28.1                qEX143L90
     K23X04B KC2023 12 07.89043 02 55 48.06 +34 33 39.6          18.1 VqEX143L90
     K23X04B KB2023 12 07.94091502 54 22.65 +34 58 38.2          18.7 GXEX143595
     K23X04B KB2023 12 07.94300602 54 18.83 +34 59 47.8                XEX143595
     K23X04B KB2023 12 07.94616302 54 13.00 +35 01 33.8          18.3 GXEX143595
     K23X04B KC2023 12 08.04335702 51 22.834+35 58 18.88         18.1 GVEX143J95
     K23X04B KC2023 12 08.04500802 51 19.476+35 59 20.98         18.5 GVEX143J95
     K23X04B KC2023 12 08.04670802 51 16.010+36 00 25.13         18.5 GVEX143J95
     K23X04B KC2023 12 08.04836702 51 12.679+36 01 27.44         18.5 GVEX143J95

Observer details:
104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
    P. Bacci, L. Tesi, G. Fagioli.  0.60-m F4 Reflector + CCD.
204 Schiaparelli Observatory.  Observers L. Buzzi, G. Galli.  0.84-m f/3.5
    reflector + CCD.
595 Farra d'Isonzo.  Observers G. Ierman, G. Panterotto, E. Pettarin.
    Measurer E. Pettarin.  0.40-m f/3.3 reflector + CMO.
G96 Mt. Lemmon Survey.  Observer H. Groeller.  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.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer R. A. Kowalski.
    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.  1.0-m
    prime focus + CCD.
J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
    + CCD.
K51 Osservatorio del Celado, Castello Tesino.  Observers M. Campestrin, S.
    Tomaselli.  Measurer M. Campestrin.  0.80-m f/4 reflector + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
L06 Sormano 2 Observatory, Bellagio Via Lattea.  Observer G. Ventre.  Measurer
    P. Sicoli.  0.36m Schmidt Cassegrain + CCD.
L90 ABObservatory, Rosarno.  Observer A. Brosio.  0.30-m f/4.0 reflector +
    CCD.
M60 Virgil Observatory, Loiano.  Observer A. Carbognani.  0.3-m f/4.0
    Reflector + CCD.
M63 RPF Observatory, Gagliano del Capo.  Observer D. Licchelli.  0.30-m f/5.3
    reflector + CCD.
T08 ATLAS-MLO, Mauna Loa.  Observers L. Denneau, R. Siverd, J. Tonry, H.
    Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
    J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector + CCD.

Orbital elements:
2023 XB4                                                 Earth MOID = 0.0020 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 299.02572              (2000.0)            P               Q                  
n   0.48686376     Peri.  223.38737     -0.61060158     -0.79180392             
a   1.6002865      Node   264.25094     +0.73053138     -0.55605744             
e   0.4562822      Incl.    0.83902     +0.30576070     -0.25267901             
P   2.02           H   28.11          G   0.15           U   6                  
Residuals in seconds of arc
231203 G96  0.2+  0.4-    231207 L06  0.5-  0.5+    231207 M63  0.1+  0.0
231203 G96  0.3+  0.4+    231207 L06  0.1-  0.1+    231207 104  0.2-  0.4+
231203 G96  0.0   0.0     231207 K51  0.0   0.3-    231207 104  0.1+  0.2+
231203 G96  0.1+  0.2+    231207 K51  0.2+  0.2-    231207 104  0.2-  0.2+
231203 I52  0.3-  0.1+    231207 K51  0.1+  0.3-    231207 104  0.3-  0.1-
231203 I52  0.1+  0.0     231207 204  0.0   0.1+    231207 L90  0.0   3.5+
231203 I52  0.3-  0.1+    231207 204  0.1-  0.3+    231207 L90  3.7-  1.2+
231207 T08  0.6+  0.5-    231207 204  0.0   0.2+    231207 L90  5.3-  4.2+
231207 T08  0.5+  0.5-    231207 L01  0.3-  0.1-    231207 595  0.1+  0.4-
231207 T08  0.4+  0.2+    231207 L01  0.4-  0.0     231207 595  0.2+  0.2-
231207 T08  0.5+  0.1+    231207 L01  0.1-  0.1-    231207 595  0.2-  0.7+
231207 M60  0.1-  0.1+    231207 L01  0.1-  0.0     231208 J95  0.2+  0.0
231207 M60  0.4+  1.6-    231207 L01  0.4-  0.1+    231208 J95  0.0   0.0
231207 M60  0.3+  0.1+    231207 M63  0.4-  0.1+    231208 J95  0.2-  0.1+
231207 L06  0.3-  0.3+    231207 M63  0.6-  0.8+    231208 J95  0.3+  0.2-

Ephemeris:
2023 XB4                 a,e,i = 1.60, 0.46, 1                   q = 0.8701
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 08    03 26 11.7 +21 58 58   0.1949  1.1833   169.8     8.6    25.5
...
2023 11 23    03 23 26.2 +22 43 00   0.09558 1.0826   173.0     6.4    23.7
...
2023 12 01    03 19 58.2 +23 50 13   0.04782 1.0324   164.7    14.6    22.4
...
2023 12 07    03 07 29.8 +29 37 40   0.01317 0.9973   155.6    24.1    19.8
2023 12 08    02 53 21.3 +35 37 37   0.0075260.9917   150.4    29.4    18.8
2023 12 09    00 07 51.7 +64 39 28   0.0024830.9862   117.6    62.3    17.3
...
2023 12 15    15 27 23.0 -19 55 14   0.03314 0.9552    27.9   151.1    29.3
...
2023 12 23    15 26 27.3 -21 52 28   0.07991 0.9201    35.9   141.2    29.5
...
2024 01 07    15 38 06.2 -23 04 02   0.1718  0.8784    48.3   123.3    29.1

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-X143




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