MPEC 2024-C104 : 2021 HE41
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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@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
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