[Iaude] MPEC Y17: 2023 XK16 [a=1.56,e=0.39,i=8.4,H=24.8]

Sun Dec 17 00:28:18 EST 2023

M.P.E.C. 2023-Y17                             Issued 2023 December 17, 05:26 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 XK16                                    


Observations:
     K23X16K*1C2023 12 15.08324423 16 13.174+25 41 50.75         21.53GVEY017G96
     K23X16K 1C2023 12 15.08854323 16 11.723+25 41 08.66         20.35GVEY017G96
     K23X16K 1C2023 12 15.09386723 16 10.247+25 40 26.36         20.28GVEY017G96
     K23X16K 1C2023 12 15.09917323 16 08.800+25 39 43.92         21.38GVEY017G96
     K23X16K KC2023 12 15.17420323 15 49.010+25 29 34.19         20.61GVEY017I52
     K23X16K KC2023 12 15.17586023 15 48.679+25 29 21.16         21.48GVEY017I52
     K23X16K KC2023 12 15.17751523 15 48.154+25 29 06.90         21.21GVEY017I52
     K23X16K KC2023 12 16.06071423 12 45.155+23 23 58.16         20.13GVEY017I52
     K23X16K KC2023 12 16.06259323 12 44.600+23 23 41.17         20.38GVEY017I52
     K23X16K KC2023 12 16.06446823 12 44.046+23 23 24.14         20.55GVEY017I52
     K23X16K  C2023 12 16.19785223 12 05.102+23 02 13.91         21.1 GVEY017H01
     K23X16K  C2023 12 16.20320223 12 03.670+23 01 22.04         20.4 GVEY017H01
     K23X16K  C2023 12 16.21217723 12 01.315+22 59 54.72         20.8 GVEY017H01
     K23X16K  C2023 12 16.21958023 11 59.379+22 58 42.73         20.9 GVEY017H01
     K23X16K KC2023 12 17.19948523 08 00.128+20 12 35.42         20.43GVEY017I52
     K23X16K KC2023 12 17.20236723 07 59.250+20 12 02.84         20.55GVEY017I52
     K23X16K KC2023 12 17.20525723 07 58.364+20 11 29.65         20.31GVEY017I52
     K23X16K KC2023 12 17.20815223 07 57.508+20 10 57.04         20.68GVEY017I52

Observer details:
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers K. W. Wierzchos, G. J.
    Leonard.  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 XK16                                                Earth MOID = 0.0093 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                MPC                     
M 300.93871              (2000.0)            P               Q                  
n   0.50489006     Peri.  199.87587     -0.31925834     -0.93643536             
a   1.5619657      Node   268.96106     +0.88795971     -0.24197067             
e   0.3870276      Incl.    8.36616     +0.33106142     -0.25404528             
P   1.95           H   24.87          G   0.15           U   8                  
Residuals in seconds of arc
231215 G96  0.2+  0.1-    231215 I52  0.1-  0.1-    231216 H01  0.0   0.1-
231215 G96  0.1+  0.1-    231216 I52  0.1-  0.2-    231216 H01  0.2-  0.1+
231215 G96  0.2-  0.0     231216 I52  0.1+  0.1+    231217 I52  0.2+  0.2-
231215 G96  0.3-  0.0     231216 I52  0.2+  0.3+    231217 I52  0.1+  0.1+
231215 I52  0.1+  0.1-    231216 H01  0.0   0.1-    231217 I52  0.2-  0.2-
231215 I52  1.3+  0.5+    231216 H01  0.1-  0.0     231217 I52  0.1-  0.3+

Ephemeris:
2023 XK16                a,e,i = 1.56, 0.39, 8                   q = 0.9574
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 17    00 15 06.1 +44 30 38   0.1600  1.1037   132.7    41.2    22.7
...
2023 12 02    23 46 05.5 +39 47 34   0.09943 1.0365   118.1    57.1    22.0
...
2023 12 10    23 30 10.6 +33 38 25   0.06803 1.0074   107.4    68.9    21.5
...
2023 12 16    23 13 00.5 +23 33 47   0.04530 0.9894    95.2    82.2    21.0
2023 12 17    23 09 02.5 +20 50 05   0.04171 0.9868    92.3    85.2    20.9
2023 12 18    23 04 32.4 +17 35 51   0.03823 0.9842    89.1    88.7    20.9
...
2023 12 24    22 14 33.5 -20 47 48   0.02301 0.9713    57.0   121.9    21.6
...
2024 01 01    17 08 02.1 -71 42 17   0.03639 0.9605    50.4   127.9    23.1
...
2024 01 16    13 27 20.8 -61 23 31   0.09454 0.9618    73.9   100.6    23.3

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-Y17