[Iaude] MPEC C31: 2021 PA211 [a=2.35,e=0.57,i=3.3,H=29.7]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2024-C31                              Issued 2024 February 2, 21:22 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

                                   2021 PA211                                   


Observations:
     K21PL1A* C2021 08 05.49584520 04 42.905-27 52 21.11         18.2 GVEC031P07
     K21PL1A  C2021 08 05.61233320 55 04.867-28 08 28.28         17.7 GVEC031P07
     K21PL1A  C2021 08 05.66625021 16 52.970-27 50 25.12         17.7 GVEC031P07
     K21PL1A  C2021 08 05.77449021 56 21.401-26 37 08.40         18.0 GVEC031P07
     K21PL1A  C2021 08 06.55087500 21 54.674-16 30 07.98         19.45GVEC031F51
     K21PL1A  C2021 08 06.56282400 22 48.676-16 23 39.86               VEC031F51
     K21PL1A  C2021 08 06.57427000 23 39.522-16 17 30.86         19.52GVEC031F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, 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.
P07 Space Surveillance Telescope, HEH Station.  Observers M. Blythe, R.
    Brungard, P. Festler, T. McVey, J. Paige, G. Spitz, L. Banks.  Measurers
    M. Cornell, M. Kotson, A. Lue, R. Rios, J. Ruprecht, J. Vaillancourt, J.
    Varey, H. Viggh, D. Woods, R. Monardez.  3.5-m f/1. Reflector + CCD.

Orbital elements:
2021 PA211                                               Earth MOID = 0.0028 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 211.98354              (2000.0)            P               Q                  
n   0.27357364     Peri.  173.01163     +0.58256549     +0.81166414             
a   2.3501011      Node   132.60896     -0.74849083     +0.55619749             
e   0.5679174      Incl.    3.32187     -0.31682634     +0.17845359             
P   3.60           H   29.73          G   0.15           U   8                  
Residuals in seconds of arc
210805 P07  0.2+  0.0     210805 P07  0.2+  0.0     210806 F51  0.2-  0.1-
210805 P07  0.2-  0.1-    210806 F51  1.8+  0.8+
210805 P07  0.1-  0.1+    210806 F51  0.2+  0.1+

Ephemeris:
2021 PA211               a,e,i = 2.35, 0.57, 3                   q = 1.0154
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 03    10 58 08.4 +07 44 54   2.7661  3.3545   119.0    14.9
...
2024 01 18    10 54 14.6 +08 22 02   2.5357  3.3088   135.4    12.1
...
2024 01 26    10 50 05.8 +08 54 41   2.4303  3.2832   144.7    10.0    34.9
...
2024 02 01    10 46 04.4 +09 24 32   2.3614  3.2633   151.8     8.2    34.7
2024 02 02    10 45 19.9 +09 29 54   2.3508  3.2600   153.1     7.9    34.7
2024 02 03    10 44 34.1 +09 35 24   2.3405  3.2566   154.3     7.5    34.7
...
2024 02 09    10 39 36.4 +10 10 21   2.2847  3.2361   161.7     5.5    34.5
...
2024 02 17    10 32 06.9 +11 01 07   2.2272  3.2079   171.7     2.5    34.3
...
2024 03 03    10 16 40.0 +12 39 39   2.1744  3.1527   168.8     3.5    34.2

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-C31