[Iaude] MPEC X277: 2023 XU12 [a=1.33,e=0.24,i=6.7,H=27.1]

Wed Dec 13 21:27:59 EST 2023

M.P.E.C. 2023-X277                            Issued 2023 December 14, 02:26 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 XU12                                    


Observations:
     K23X12U 1C2023 12 11.18419 02 48 05.12 +42 31 08.8          20.6 GVEX277G96
     K23X12U 1C2023 12 11.19496 02 48 15.87 +42 29 41.2          20.8 GVEX277G96
     K23X12U 1C2023 12 12.26755 03 08 00.31 +39 51 39.2          21.7 GVEX277G96
     K23X12U 1C2023 12 12.27322 03 08 05.90 +39 50 43.5          21.2 GVEX277G96
     K23X12U*1C2023 12 13.22032903 25 20.615+37 13 33.35         20.45GVEX277G96
     K23X12U 1C2023 12 13.22595903 25 25.892+37 12 34.92         21.27GVEX277G96
     K23X12U 1C2023 12 13.23158503 25 31.339+37 11 35.02         20.60GVEX277G96
     K23X12U 1C2023 12 13.23726003 25 36.779+37 10 35.44         21.08GVEX277G96
     K23X12U KC2023 12 13.31154103 26 47.728+36 57 15.52         20.89GVEX277I52
     K23X12U KC2023 12 13.31286003 26 49.027+36 57 01.08         20.59GVEX277I52
     K23X12U KC2023 12 13.31417303 26 50.284+36 56 46.46         20.53GVEX277I52
     K23X12U  C2023 12 13.34469703 27 33.641+36 52 37.84         20.23GVEX277F52
     K23X12U  C2023 12 13.35579903 27 43.962+36 50 40.56         20.77GVEX277F52
     K23X12U  C2023 12 13.36686803 27 54.287+36 48 42.85         20.60GVEX277F52
     K23X12U $C2023 12 13.86905303 36 55.579+35 17 01.70               VEX277J04
     K23X12U $C2023 12 13.87352203 36 59.741+35 16 14.83         19.7 GVEX277J04
     K23X12U $C2023 12 13.88177503 37 07.522+35 14 47.91         20.3 GVEX277J04

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observers D. Rankin, J. K. Hogan.  Measurers B. Gray,
    D. Rankin, F. C. Shelly, 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, R. L. Seaman, K. W. Wierzchos.  1.5-m reflector +
    10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer K. W. Wierzchos.
    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.
J04 ESA Optical Ground Station, Tenerife.  Observers P. Ruiz, F. Ocana, M.
    Micheli, L. Conversi.  Measurers F. Ocana, M. Micheli, R. Kresken.
    1.0-m f/4.4 reflector + CCD.

Orbital elements:
2023 XU12                                                Earth MOID = 0.0300 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 304.46011              (2000.0)            P               Q                  
n   0.64459230     Peri.  169.60081     +0.26694160     -0.95658095             
a   1.3272293      Node   264.84278     +0.87553825     +0.29146650             
e   0.2366686      Incl.    6.74793     +0.40270952     +0.00040023             
P   1.53           H   27.11          G   0.15           U   7                  
Residuals in seconds of arc
231211 G96  0.1+  0.1+    231213 G96  0.1+  0.2-    231213 F52  0.2-  0.0
231211 G96  0.1-  0.1-    231213 G96  0.6+  0.0     231213 F52  0.3-  0.1+
231212 G96  0.0   0.2+    231213 I52  0.1-  0.0     231213 J04  0.2+  0.4-
231212 G96  0.2-  0.2-    231213 I52  0.2+  0.0     231213 J04  0.3-  0.1-
231213 G96  0.2-  0.2+    231213 I52  0.1+  0.1-    231213 J04  0.1+  0.6+
231213 G96 (1.1-  0.7+)   231213 F52  0.4+  0.2-

Ephemeris:
2023 XU12                a,e,i = 1.33, 0.24, 7                   q = 1.0131
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 14    22 34 11.4 +50 10 43   0.08948 1.0325   116.4    59.1    24.1
...
2023 11 29    23 46 52.2 +52 04 04   0.05592 1.0159   120.4    56.9    22.9
...
2023 12 07    01 31 43.8 +49 14 22   0.04037 1.0131   132.7    45.7    21.9
...
2023 12 13    03 21 23.0 +37 51 15   0.03329 1.0138   151.0    28.1    21.0
2023 12 14    03 38 59.2 +34 52 49   0.03279 1.0142   154.6    24.6    20.9
2023 12 15    03 55 48.1 +31 40 31   0.03252 1.0146   158.1    21.2    20.7
...
2023 12 21    05 15 56.9 +11 31 23   0.03593 1.0186   165.1    14.4    20.7
...
2023 12 29    06 15 59.5 -06 12 26   0.05040 1.0275   150.4    28.3    21.9
...
2024 01 13    07 03 19.2 -16 51 53   0.08967 1.0545   140.7    36.2    23.5

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X277