MPEC 2021-L119 : 2021 LA4
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M.P.E.C. 2021-L119 Issued 2021 June 10, 17:48 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 LA4
Observations:
K21L04A* C2021 06 02.42419616 42 39.770-09 21 07.66 21.66wUEL119F51
K21L04A C2021 06 02.43619616 42 38.891-09 20 40.63 21.76wUEL119F51
K21L04A C2021 06 02.46019016 42 37.128-09 19 46.79 22.23wUEL119F51
K21L04A C2021 06 05.40333016 39 13.037-07 28 04.87 21.43GVEL119F51
K21L04A C2021 06 05.41448816 39 12.206-07 27 39.23 21.11GVEL119F51
K21L04A C2021 06 09.34815 16 34 32.68 -04 55 35.4 VEL119G96
K21L04A C2021 06 09.35337 16 34 32.30 -04 55 23.0 21.3 GVEL119G96
K21L04A C2021 06 10.45115616 33 14.256-04 12 37.70 21.18wUEL119F51
K21L04A C2021 06 10.46320716 33 13.349-04 12 09.84 21.26wUEL119F51
K21L04A C2021 06 10.47520716 33 12.436-04 11 41.56 21.70wUEL119F51
Observer details:
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.
G96 Mt. Lemmon Survey. Observer D. Rankin. Measurers E. J. Christensen, B.
Gray, D. Rankin, F. C. Shelly. 1.5-m reflector + 10K CCD.
Orbital elements:
2021 LA4 Earth MOID = 0.5145 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 295.00156 (2000.0) P Q
n 0.23697773 Peri. 86.24160 +0.75070221 +0.54028570
a 2.5862134 Node 240.66497 -0.62915081 +0.76022773
e 0.5125289 Incl. 25.85546 +0.20153275 +0.36075638
P 4.16 H 20.80 G 0.15 U 9
Residuals in seconds of arc
210602 F51 0.0 0.0 210605 F51 0.1+ 0.1+ 210610 F51 0.1+ 0.1-
210602 F51 0.0 0.1+ 210609 G96 0.2- 0.7- 210610 F51 0.0 0.1+
210602 F51 0.0 0.1- 210609 G96 0.0 0.5-
210605 F51 0.1- 0.1+ 210610 F51 0.1- 0.2+
Ephemeris:
2021 LA4 a,e,i = 2.59, 0.51, 26 q = 1.2607
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 11 17 01 38.9 -21 09 01 0.8559 1.8176 153.8 14.2 22.6
...
2021 05 26 16 50 35.1 -13 47 41 0.7191 1.7230 168.1 7.0 21.8
...
2021 06 03 16 42 00.3 -08 59 24 0.6699 1.6734 166.7 8.0 21.6
...
2021 06 09 16 34 57.9 -05 09 00 0.6444 1.6368 160.5 11.9 21.6
2021 06 10 16 33 46.7 -04 30 07 0.6411 1.6308 159.3 12.7 21.6
2021 06 11 16 32 35.6 -03 51 13 0.6380 1.6248 158.0 13.5 21.7
...
2021 06 17 16 25 40.2 +00 00 07 0.6250 1.5891 150.2 18.5 21.7
...
2021 06 25 16 17 32.2 +04 51 27 0.6200 1.5429 139.8 25.2 21.9
...
2021 07 10 16 08 23.5 +12 19 05 0.6386 1.4616 122.3 36.0 22.1
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L119
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