[Iaude] MPEC C104: 2021 HE41 [a=1.84,e=0.46,i=11.8,H=28.7]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-C104                            Issued 2024 February 10, 03:20 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 HE41                                    


Observations:
     K21H41E* C2021 04 23.72656517 00 44.662-07 59 21.48         17.3 GVEC104P07
     K21H41E  C2021 04 23.72699517 00 52.418-07 57 25.99         17.4 GVEC104P07
     K21H41E  C2021 04 23.76783417 12 38.758-04 59 31.49         17.5 GVEC104P07
     K21H41E  C2021 04 23.82072817 26 30.257-01 25 32.38         17.6 GVEC104P07
     K21H41E  C2021 04 23.86970517 38 05.335+01 34 21.72         17.8 GVEC104P07

Observer details:
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 HE41                                                Earth MOID = 0.0009 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 341.44145              (2000.0)            P               Q                  
n   0.39539545     Peri.   10.35167     -0.72505449     +0.67948305             
a   1.8384350      Node   213.34781     -0.64555915     -0.72732935             
e   0.4556792      Incl.   11.78176     -0.23989452     -0.09640955             
P   2.49           H   28.75          G   0.15           U   9                  
Residuals in seconds of arc
210423 P07  0.0   0.1+    210423 P07  0.1+  0.1+    210423 P07  0.0   0.0
210423 P07  0.1-  0.1-    210423 P07  0.1-  0.1-

Ephemeris:
2021 HE41                a,e,i = 1.84, 0.46, 12                  q = 1.0007
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 01 11    19 36 28.6 -14 52 05   2.2510  1.2824     7.5     5.7    31.5
...
2024 01 26    20 26 22.2 -12 07 28   2.3497  1.3775     6.9     4.9    31.7
...
2024 02 03    20 50 51.2 -10 29 28   2.4024  1.4292     7.0     4.8    31.8
...
2024 02 09    21 08 19.5 -09 12 58   2.4410  1.4682     7.4     5.0    31.9
2024 02 10    21 11 10.0 -09 00 02   2.4473  1.4747     7.5     5.0    32.0
2024 02 11    21 13 59.3 -08 47 03   2.4535  1.4812     7.6     5.1    32.0
...
2024 02 17    21 30 31.1 -07 28 24   2.4902  1.5201     8.5     5.5    32.1
...
2024 02 25    21 51 32.6 -05 42 17   2.5363  1.5716    10.1     6.3    32.2
...
2024 03 11    22 28 12.8 -02 23 10   2.6109  1.6666    14.3     8.5    32.5

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-C104