[Iaude] MPEC G215: 2015 KB19 [a=1.72,e=0.43,i=7.0,H=21.91]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Mon Apr 15 10:12:11 EDT 2024


M.P.E.C. 2024-G215                               Issued 2024 April 15, 14:10 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

                                   2015 KB19                                    


                           Revision to MPEC 2015-K42                            

Additional Observations:
     K15K19B KC2024 04 12.22438 11 41 09.82 -16 51 03.8          21.9 RVEG215291
     K15K19B KC2024 04 12.23041 11 41 09.08 -16 50 59.0          21.1 RVEG215291
     K15K19B KC2024 04 12.23642 11 41 08.54 -16 50 54.7          21.7 RVEG215291
     K15K19B KC2024 04 14.21299811 37 42.276-16 21 11.34         21.86GVEG215V06
     K15K19B KC2024 04 14.21776311 37 41.747-16 21 06.77         22.54GVEG215V06
     K15K19B KC2024 04 14.22729511 37 40.717-16 20 57.80         21.84GVEG215V06

Observer details:
291 LPL/Spacewatch II.  Observer R. A. Mastaler.  1.8-m f/2.7 reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. Rankin.  Measurers T. Beuden, V.
    F. Carvajal, 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.  1.55-m reflector +
    1K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240412 291 0.04+ 0.02+    240414 V06 0.04+ 0.02+    E2024-BE9   +0.06 days

Orbital elements:
2015 KB19                                           PHA, Earth MOID = 0.0170 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 306.98660              (2000.0)            P               Q                  
n   0.43717664     Peri.   40.26250     +0.39099520     +0.91294231             
a   1.7193518      Node   253.04259     -0.87274119     +0.32742278             
e   0.4342920      Incl.    7.01819     -0.29231073     +0.24357887             
P   2.25           H   21.91          G   0.15           U   0                  
Residuals in seconds of arc
150424 F51  0.5+  0.2-    150522 568  0.0   0.3+    150825 H21  0.2-  0.0
150424 F51  0.2+  0.2-    150525 926  0.1-  0.3-    150825 H21  0.1-  0.0
150424 F51  0.2+  0.1+    150525 926  0.4-  0.1-    150825 H21  0.2-  0.9+
150517 F51  0.2+  0.0     150525 926  0.4-  0.3-    150827 H21  0.1-  0.6-
150517 F51  0.2+  0.1-    150607 291  0.3-  0.2+    150827 H21  0.3-  0.8-
150518 F51  0.1+  0.0     150607 291  0.9-  0.2-    150827 H21  0.2-  0.3-
150518 F51  0.1+  0.1+    150615 291  0.3+  0.2+    150827 H21  0.1+  0.5-
150518 F51  0.1+  0.2-    150615 291  0.7-  0.9-    150921 204  0.4-  0.0
150518 F51  0.1+  0.1-    150615 291  0.1-  0.1+    150921 204  0.1+  0.2-
150519 926  0.2-  0.7+    150618 291  0.2+  0.4+    150921 204  0.1+  0.2-
150519 926  0.3+  0.5+    150618 291  0.1-  0.0     150923 H21  0.1+  0.3-
150519 926  0.4-  0.2-    150618 291  0.3+  0.0     150923 H21  0.2+  0.5-
150519 568  0.1-  0.1-    150622 291  0.1-  0.2+    150923 H21  0.0   0.5-
150519 568  0.0   0.0     150622 291  0.2+  0.2-    150923 H21  0.1-  0.8-
150519 568  0.0   0.1-    150622 291  0.3+  0.3-    151008 H21  0.6-  0.5-
150519 568  0.1-  0.1-    150707 291  0.1-  0.1-    151008 H21  0.9-  0.2-
150519 568  0.1-  0.1-    150707 291  0.3+  0.2-    151008 H21  1.0-  0.2+
150519 568  0.1-  0.1-    150707 291  0.5+  0.0     151017 H21  0.1-  0.9+
150519 568  0.1-  0.1-    150722 568  0.2-  0.2-    151017 H21  0.8-  0.2+
150519 568  0.0   0.1-    150722 568  0.2-  0.2-    151017 H21  0.1-  0.4+
150519 568  0.0   0.1-    150815 H21  0.1+  0.0     151104 F51  0.5-  0.3+
150519 568  0.2-  0.1-    150815 H21  0.1+  0.2+    151104 F51  0.4+  0.1+
150520 I52  1.0+  0.3-    150815 H21  0.0   0.4-    151104 F51  0.2-  0.3-
150520 I52  0.1+  0.3+    150815 H21  0.2+  0.7-    151104 F51  0.1+  0.3+
150520 568  0.2-  0.1+    150821 H21  0.3+  0.4+    240412 291  0.2+  0.9+
150520 568  0.2-  0.1+    150821 H21  0.2-  0.0     240412 291  0.7-  0.4+
150522 H21  0.3+  0.1-    150821 H21  0.1+  0.1+    240412 291  1.2+  0.6-
150522 H21  0.4+  0.0     150824 H21  0.0   0.1-    240414 V06  0.1-  0.2-
150522 H21  0.4+  0.3+    150824 H21  0.2+  0.6+    240414 V06  0.2-  0.0
150522 568  0.2-  0.2+    150824 H21  0.1+  0.0     240414 V06  0.0   0.1+

Ephemeris:
2015 KB19                a,e,i = 1.72, 0.43, 7                   q = 0.9727
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 03 16    12 25 32.9 -20 12 35   0.6871  1.6456   155.7    14.4    23.0
...
2024 03 31    12 03 03.3 -19 12 08   0.5728  1.5550   162.6    11.1    22.3
...
2024 04 08    11 48 43.5 -17 48 33   0.5295  1.5055   158.0    14.4    22.2
...
2024 04 14    11 38 04.2 -16 24 15   0.5050  1.4679   151.9    18.7    22.2
2024 04 15    11 36 21.7 -16 08 43   0.5015  1.4617   150.8    19.6    22.2
2024 04 16    11 34 40.8 -15 52 49   0.4981  1.4554   149.7    20.4    22.2
...
2024 04 22    11 25 19.7 -14 11 14   0.4813  1.4175   142.5    25.6    22.3
...
2024 04 30    11 15 27.4 -11 46 27   0.4658  1.3669   132.7    32.8    22.3
...
2024 05 15    11 07 18.2 -07 24 32   0.4496  1.2730   115.9    45.6    22.4

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-G215




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