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    • MPEC 2023-K74 : 2023 JB6

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    M.P.E.C. 2023-K74                                  Issued 2023 May 21, 13:47 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@CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                2023 JB6                                 


Observations:
     K23J06B* C2023 05 15.33153413 42 31.327-23 40 58.95         20.51wXEK074F51
     K23J06B  C2023 05 15.34116013 42 33.713-23 39 46.95         20.91wXEK074F51
     K23J06B  C2023 05 15.36044213 42 38.489-23 37 22.80         20.62wXEK074F51
     K23J06B |C2023 05 16.02685 13 45 50.51 -22 15 06.6          20.9 VuEK074807
     K23J06B |C2023 05 16.03126 13 45 51.63 -22 14 35.9          20.8 VuEK074807
     K23J06B |C2023 05 16.03560 13 45 52.60 -22 14 05.6          20.6 VuEK074807
     K23J06B KC2023 05 16.94580713 49 45.39 -20 33 06.5          20.4 GXEK074I93
     K23J06B KC2023 05 16.96175013 49 48.86 -20 31 21.3          20.6 GXEK074I93
     K23J06B KC2023 05 20.29136814 01 39.227-15 18 23.87         21.57GVEK074I52
     K23J06B KC2023 05 20.29356014 01 39.691-15 18 13.68         21.41GVEK074I52
     K23J06B KC2023 05 20.29575714 01 40.069-15 18 02.27         21.50GVEK074I52
     K23J06B KC2023 05 21.22123 14 04 27.36 -14 06 18.8                VEK074691
     K23J06B KC2023 05 21.22948 14 04 28.58 -14 05 41.3                VEK074691
     K23J06B KC2023 05 21.23775 14 04 29.73 -14 05 04.8                VEK074691

Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch.  Observer T. H. Bressi.  0.9-m
    f/3 reflector + CCD.
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  0.61-m f/6.5 Dall-Kirkham Astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, I.
    Smith.  Measurers K. Chambers, S. Chastel, 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.
I52 Steward Observatory, Mt. Lemmon Station.  Observer J. B. Fazekas.
    Measurers E. J. Christensen, 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, A. Serrano, F. C. Shelly,
    K. W. Wierzchos.  1.0-m prime focus + CCD.
I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.

Orbital elements:
2023 JB6                                                 Earth MOID = 0.0170 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Bell                    
M   5.92384              (2000.0)            P               Q                  
n   0.85983700     Peri.  252.30868     -0.63744553     -0.75856980             
a   1.0952804      Node   238.06326     +0.75339979     -0.57694046             
e   0.2409816      Incl.    9.15601     +0.16140616     -0.30283918             
P   1.15           H   25.02          G   0.15           U   8                  
Residuals in seconds of arc
230515 F51  0.0   0.1-    230516 807  0.3-  0.2+    230520 I52  0.2+  0.4+
230515 F51  0.0   0.0     230516 I93  0.4+  0.9-    230521 691  0.6-  0.6-
230515 F51  0.0   0.0     230516 I93  0.6+  0.1+    230521 691  0.1+  0.1+
230516 807  0.4-  0.1-    230520 I52 (2.1-  0.2+)   230521 691  0.2-  0.3-
230516 807  0.6+  0.0     230520 I52  0.3-  0.3-

Ephemeris:
2023 JB6                 a,e,i = 1.10, 0.24, 9                   q = 0.8313
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 04 21    04 52 07.1 -52 40 31   0.07803 0.9872    74.8   100.8    23.1
...
2023 05 06    12 09 03.1 -51 09 29   0.05709 1.0481   132.7    45.0    20.6
...
2023 05 14    13 35 27.4 -26 36 04   0.07712 1.0805   154.4    23.9    20.7
...
2023 05 20    14 00 46.6 -15 41 15   0.1013  1.1043   154.9    22.8    21.4
2023 05 21    14 03 48.5 -14 21 59   0.1058  1.1082   154.3    23.3    21.5
2023 05 22    14 06 37.3 -13 09 24   0.1104  1.1121   153.7    23.8    21.6
...
2023 05 28    14 20 16.8 -07 44 44   0.1399  1.1352   148.8    27.6    22.3
...
2023 06 05    14 33 47.3 -03 45 47   0.1833  1.1647   142.2    32.3    23.0
...
2023 06 20    14 54 25.9 -01 09 18   0.2741  1.2156   131.6    38.7    24.2

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-K74

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