[Iaude] MPEC M23: 2020 HO154 [a=2.32,e=0.50,i=10.1,H=24.7]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2022-M23                                 Issued 2022 June 21, 11:46 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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

                                   2020 HO154                                   


Observations:
     K20HF4O  C2020 04 16.34819 14 28 34.48 -14 13 25.8          21.8 GVEM023G96
     K20HF4O  C2020 04 16.35883 14 28 35.15 -14 14 18.6                VEM023G96
     K20HF4O* C2020 04 21.41191814 34 59.246-21 02 03.81         21.97wUEM023F51
     K20HF4O  C2020 04 21.42300614 34 59.821-21 02 56.51         21.90wUEM023F51
     K20HF4O  C2020 04 21.44512714 35 00.958-21 04 40.70         21.59wUEM023F51
     K20HF4O  C2020 04 22.43311814 36 12.668-22 21 29.26         22.07wUEM023F51
     K20HF4O  C2020 04 22.45636814 36 13.817-22 23 17.24         21.93wUEM023F51
     K20HF4O  C2020 04 22.46796414 36 14.409-22 24 10.68         21.84wUEM023F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers B. Gray, D. Rankin,
    F. C. Shelly.  1.5-m reflector + 10K CCD.

Orbital elements:
2020 HO154                                               Earth MOID = 0.1561 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Veres                   
M 237.03493              (2000.0)            P               Q                  
n   0.27931528     Peri.  175.33386     -0.91329241     +0.39847050             
a   2.3177838      Node    28.61591     -0.37916359     -0.75609428             
e   0.5001575      Incl.   10.14620     -0.14876806     -0.51917502             
P   3.53           H   24.77          G   0.15           U   9                  
Residuals in seconds of arc
200416 G96  0.5-  0.2+    200421 F51  0.0   0.1-    200422 F51  0.1-  0.1-
200416 G96  0.1+  0.2-    200421 F51  0.1+  0.1+    200422 F51  0.1+  0.0
200421 F51  0.1-  0.1+    200422 F51  0.1-  0.1+

Ephemeris:
2020 HO154               a,e,i = 2.32, 0.50, 10                  q = 1.1585
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 22    02 39 44.8 +16 51 09   4.3297  3.3807    17.9     5.3    31.0
...
2022 06 06    02 57 32.2 +18 25 56   4.2207  3.3561    27.7     8.1    31.1
...
2022 06 14    03 06 56.2 +19 13 58   4.1471  3.3418    33.0     9.5    31.1
...
2022 06 20    03 13 55.2 +19 48 48   4.0852  3.3305    37.0    10.6    31.1
2022 06 21    03 15 04.6 +19 54 30   4.0744  3.3286    37.7    10.8    31.1
2022 06 22    03 16 13.9 +20 00 11   4.0634  3.3267    38.3    10.9    31.1
...
2022 06 28    03 23 06.2 +20 33 36   3.9943  3.3148    42.4    11.9    31.1
...
2022 07 06    03 32 05.4 +21 16 30   3.8942  3.2983    47.8    13.2    31.1
...
2022 07 21    03 48 11.6 +22 31 49   3.6849  3.2650    58.2    15.3    31.0

M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-M23