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    • MPEC 2023-H43 : 2023 HL

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    M.P.E.C. 2023-H43                                Issued 2023 April 18, 00:15 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 HL                                 


Observations:
     K23H00L 1C2023 04 14.34585 13 27 00.36 +19 33 51.2          21.4 GVEH043G96
     K23H00L 1C2023 04 14.35102 13 26 59.51 +19 33 54.2          21.3 GVEH043G96
     K23H00L 1C2023 04 14.35618 13 26 58.66 +19 33 57.8          21.1 GVEH043G96
     K23H00L* C2023 04 16.52921313 23 20.089+19 53 01.88         21.50wUEH043F52
     K23H00L  C2023 04 16.54311813 23 17.764+19 53 04.33         21.38wUEH043F52
     K23H00L  C2023 04 16.55702213 23 15.524+19 53 06.58         21.74wUEH043F52
     K23H00L KC2023 04 17.21671613 22 24.586+19 57 12.82         20.95GVEH043I52
     K23H00L KC2023 04 17.21851613 22 24.283+19 57 14.40         21.06GVEH043I52
     K23H00L KC2023 04 17.22031813 22 24.002+19 57 15.30         21.25GVEH043I52
     K23H00L KC2023 04 17.22212013 22 23.682+19 57 15.48         20.86GVEH043I52
     K23H00L 3C2023 04 17.33798113 22 13.101+19 58 43.86         21.23GVEH043T14
     K23H00L 3C2023 04 17.33896113 22 12.929+19 58 44.45         21.22GVEH043T14
     K23H00L 3C2023 04 17.33994413 22 12.752+19 58 45.04         21.19GVEH043T14
     K23H00L 3C2023 04 17.34092713 22 12.575+19 58 45.63         21.01GVEH043T14

Observer details:
F52 Pan-STARRS 2, 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.
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K 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.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, L.
    Wells, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m Canada-
    France-Hawaii Telescope + CCD.

Orbital elements:
2023 HL                                                  Earth MOID = 0.0150 AU
Epoch 2023 Feb. 25.0 TT = JDT 2460000.5                 Veres                   
M 254.07319              (2000.0)            P               Q                  
n   0.91522371     Peri.  184.28152     -0.05365965     +0.99832074             
a   1.0506334      Node    82.64356     -0.91550547     -0.04045771             
e   0.0184239      Incl.    1.26098     -0.39871090     -0.04145932             
P   1.08           H   26.92          G   0.15           U   6                  
Residuals in seconds of arc
230414 G96  0.2-  0.3-    230416 F52  0.0   0.1+    230417 T14  0.0   0.0
230414 G96  0.1+  0.2+    230417 I52  0.2-  0.4-    230417 T14  0.0   0.0
230414 G96 (0.4+  1.3+)   230417 I52  0.2-  0.1+    230417 T14  0.0   0.0
230416 F52  0.1+  0.0     230417 I52  0.2+  0.0     230417 T14  0.0   0.0
230416 F52  0.0   0.0     230417 I52  0.0   0.8-

Ephemeris:
2023 HL                  a,e,i = 1.05, 0.02, 1                   q = 1.0313
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 03 19    13 47 59.4 +11 57 22   0.06255 1.0495   149.2    29.1    22.3
...
2023 04 03    13 41 43.4 +16 52 35   0.05009 1.0449   154.2    24.6    21.7
...
2023 04 11    13 32 08.2 +18 56 51   0.04547 1.0425   152.7    26.1    21.5
...
2023 04 17    13 22 40.8 +19 56 38   0.04281 1.0407   149.6    29.2    21.4
2023 04 18    13 20 58.5 +20 02 50   0.04243 1.0405   149.0    29.8    21.4
2023 04 19    13 19 15.0 +20 07 48   0.04206 1.0402   148.3    30.5    21.4
...
2023 04 25    13 08 53.3 +20 09 33   0.04023 1.0385   143.9    34.8    21.5
...
2023 05 03    12 56 41.7 +18 54 39   0.03846 1.0365   137.5    41.0    21.5
...
2023 05 18    12 43 09.6 +13 05 21   0.03633 1.0333   126.3    52.0    21.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-H43

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