[Iaude] MPEC X168: 2023 XL5 [a=1.74,e=0.26,i=25.9,H=22.1]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-X168                            Issued 2023 December 10, 18:02 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 XL5                                    


Observations:
     K23X05L* C2023 12 06.39381003 30 50.925+36 37 05.40         21.33wXEX168F52
     K23X05L  C2023 12 06.41336903 30 50.150+36 35 42.21         21.17wXEX168F52
     K23X05L  C2023 12 06.42314603 30 49.768+36 35 00.73         21.19wXEX168F52
     K23X05L KC2023 12 07.11738203 30 32.501+35 45 42.59               VEX168I52
     K23X05L KC2023 12 07.11859003 30 32.429+35 45 36.22         21.01GVEX168I52
     K23X05L KC2023 12 07.11981203 30 32.328+35 45 31.18         21.81GVEX168I52
     K23X05L KC2023 12 08.14823403 30 06.15 +34 31 53.6          21.6 GVEX168H21
     K23X05L KC2023 12 08.15103003 30 06.05 +34 31 41.4          21.4 GVEX168H21
     K23X05L KC2023 12 08.15382603 30 05.93 +34 31 29.7          21.0 GVEX168H21
     K23X05L KC2023 12 08.18624403 30 05.570+34 29 11.40         21.33GVEX168I52
     K23X05L KC2023 12 08.20584303 30 04.950+34 27 47.50         21.45GVEX168I52
     K23X05L KC2023 12 08.20839403 30 04.840+34 27 36.30         21.09GVEX168I52
     K23X05L KC2023 12 08.20904103 30 04.69 +34 27 32.4          20.8 GXEX168858
     K23X05L KC2023 12 08.21943203 30 04.37 +34 26 47.9          21.3 GXEX168858

Observer details:
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + CCD.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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.

Orbital elements:
2023 XL5                                                 Earth MOID = 0.3189 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Bell                    
M 306.20449              (2000.0)            P               Q                  
n   0.42841862     Peri.  199.82185     -0.12830647     -0.89381087             
a   1.7427048      Node   259.49136     +0.95863105     -0.00076645             
e   0.2585098      Incl.   25.91436     +0.25409439     -0.44844347             
P   2.30           H   22.19          G   0.15           U   9                  
Residuals in seconds of arc
231206 F52  0.2+  0.1+    231207 I52  0.8-  0.4-    231208 I52  0.4+  0.4+
231206 F52  0.3+  0.1-    231208 H21  0.1-  0.3+    231208 I52  0.0   0.1+
231206 F52  0.4+  0.0     231208 H21  0.2-  0.2+    231208 858  0.1+  0.0
231207 I52  0.3+  0.8+    231208 H21  0.5-  0.5+    231208 858  0.4+  0.4+
231207 I52  0.0   0.5-    231208 I52  0.1+  0.1-

Ephemeris:
2023 XL5                 a,e,i = 1.74, 0.26, 26                  q = 1.2922
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 10    03 54 03.0 +58 00 18   0.4854  1.3881   137.6    28.8    22.6
...
2023 11 25    03 39 17.9 +48 27 38   0.3991  1.3522   151.8    20.2    21.9
...
2023 12 03    03 32 46.2 +40 29 36   0.3710  1.3360   157.4    16.5    21.6
...
2023 12 09    03 29 47.5 +33 30 24   0.3608  1.3253   157.4    16.6    21.5
2023 12 10    03 29 29.1 +32 17 31   0.3600  1.3237   156.9    17.0    21.5
2023 12 11    03 29 14.1 +31 04 11   0.3596  1.3220   156.3    17.4    21.5
...
2023 12 17    03 28 56.4 +23 43 32   0.3627  1.3132   151.0    21.3    21.6
...
2023 12 25    03 31 40.3 +14 34 17   0.3817  1.3038   141.4    28.1    21.9
...
2024 01 09    03 44 46.2 +01 33 48   0.4518  1.2935   124.4    38.8    22.6

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-X168