MPEC 2021-L106 : 2021 LH3
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M.P.E.C. 2021-L106 Issued 2021 June 9, 23:09 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 LH3
Observations:
K21L03H* C2021 06 07.35867815 42 33.533-01 37 01.69 21.81wUEL106F51
K21L03H C2021 06 07.36986215 42 32.827-01 37 35.28 22.00wUEL106F51
K21L03H C2021 06 07.39224015 42 31.412-01 38 42.00 21.84wUEL106F51
K21L03H C2021 06 07.45879715 42 27.274-01 42 01.00 21.62GVEL106F51
K21L03H C2021 06 07.45944415 42 27.226-01 42 02.90 21.80GVEL106F51
K21L03H ^C2021 06 08.26056615 42 03.719-02 22 32.67 21.64GVEL106568
K21L03H ^C2021 06 08.26155115 42 03.666-02 22 35.65 21.75GVEL106568
K21L03H ^C2021 06 08.26252915 42 03.612-02 22 38.68 21.74GVEL106568
K21L03H KC2021 06 09.31863 15 41 23.76 -03 17 48.9 20.8 RoEL106691
K21L03H KC2021 06 09.34307 15 41 22.47 -03 19 06.1 21.8 RoEL106691
K21L03H KC2021 06 09.36552 15 41 21.33 -03 20 17.2 21.7 RoEL106691
K21L03H C2021 06 09.40867015 41 21.561-03 22 23.64 21.78GVEL106F51
K21L03H C2021 06 09.41964615 41 20.922-03 22 58.59 21.73GVEL106F51
K21L03H C2021 06 09.43052415 41 20.300-03 23 32.92 21.85GVEL106F51
K21L03H C2021 06 09.44106515 41 19.697-03 24 06.11 21.35GVEL106F51
Observer details:
568 Mauna Kea. Observers R. Wainscoat, L. Wells, T. Burdullis. Measurers R.
Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
691 Steward Observatory, Kitt Peak-Spacewatch. Observer A. F. Tubbiolo.
0.9-m f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman, K. Chambers, I. Smith. 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.
Orbital elements:
2021 LH3 Earth MOID = 0.0970 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 230.93932 (2000.0) P Q
n 0.64273883 Peri. 189.53013 +0.16326782 +0.97859108
a 1.3297797 Node 89.94229 -0.89671804 +0.20015826
e 0.1622501 Incl. 7.19878 -0.41138834 -0.04791844
P 1.53 H 24.98 G 0.15 U 7
Residuals in seconds of arc
210607 F51 0.0 0.1+ 210608 568 0.0 0.0 210609 691 0.5+ 0.0
210607 F51 0.0 0.1- 210608 568 0.0 0.0 210609 F51 0.1- 0.1-
210607 F51 0.1+ 0.0 210608 568 0.0 0.0 210609 F51 0.1- 0.2-
210607 F51 0.1- 0.1- 210609 691 0.2- 0.1+ 210609 F51 0.1+ 0.0
210607 F51 0.2- 0.0 210609 691 0.2+ 0.2+ 210609 F51 0.1+ 0.2+
Ephemeris:
2021 LH3 a,e,i = 1.33, 0.16, 7 q = 1.1140
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 10 16 00 52.0 +10 49 00 0.1847 1.1715 148.7 26.6 22.9
...
2021 05 25 15 52 07.8 +06 55 36 0.1488 1.1463 151.9 24.6 22.3
...
2021 06 02 15 46 10.6 +02 25 57 0.1351 1.1354 152.2 24.6 22.1
...
2021 06 08 15 42 10.0 -02 08 48 0.1275 1.1286 151.3 25.6 21.9
2021 06 09 15 41 35.9 -03 00 22 0.1265 1.1275 151.1 25.8 21.9
2021 06 10 15 41 04.1 -03 53 28 0.1256 1.1266 150.8 26.1 21.9
...
2021 06 16 15 38 54.9 -09 40 43 0.1215 1.1214 148.6 28.2 21.9
...
2021 06 24 15 39 42.3 -18 15 00 0.1204 1.1165 144.5 31.9 22.0
...
2021 07 09 15 56 04.0 -33 59 37 0.1309 1.1140 135.6 39.7 22.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L106
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