MPEC 2021-L46 : 2021 LU
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M.P.E.C. 2021-L46 Issued 2021 June 4, 07:03 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 LU
Observations:
K21L00U* C2021 06 02.29026915 51 58.181-05 21 30.82 21.53wUEL046F51
K21L00U C2021 06 02.30059815 51 56.494-05 21 58.14 21.92wUEL046F51
K21L00U C2021 06 02.31094315 51 54.770-05 22 25.60 22.26wUEL046F51
K21L00U C2021 06 02.41198815 51 37.979-05 26 52.86 22.30GVEL046F51
K21L00U ^C2021 06 03.52375215 48 53.710-06 14 02.68 21.90GVEL046568
K21L00U ^C2021 06 03.52572115 48 53.415-06 14 07.52 21.68GVEL046568
K21L00U KC2021 06 04.19610915 47 23.47 -06 41 14.4 22.3 VuEL046H21
K21L00U KC2021 06 04.21333515 47 21.02 -06 41 55.3 22.5 VuEL046H21
K21L00U KC2021 06 04.21637515 47 20.58 -06 42 02.4 22.5 VuEL046H21
K21L00U KC2021 06 04.23882 15 47 18.05 -06 42 52.4 22.1 RoEL046291
K21L00U KC2021 06 04.24330 15 47 17.40 -06 43 02.9 22.2 RoEL046291
K21L00U KC2021 06 04.24780 15 47 16.75 -06 43 13.0 oEL046291
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. Wainscoat, C. Crowder, T. Burdullis. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
Orbital elements:
2021 LU Earth MOID = 0.0990 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 305.27155 (2000.0) P Q
n 0.63972566 Peri. 39.69531 -0.60362027 -0.78152998
a 1.3339520 Node 88.01085 +0.68554140 -0.60973095
e 0.5732155 Incl. 9.07602 +0.40703262 -0.13205704
P 1.54 H 23.64 G 0.15 U 8
Residuals in seconds of arc
210602 F51 0.1- 0.3- 210603 568 0.0 0.0 210604 H21 0.3+ 0.1-
210602 F51 0.2+ 0.1- 210603 568 0.0 0.0 210604 291 0.0 0.2-
210602 F51 0.0 0.0 210604 H21 0.2+ 0.0 210604 291 0.2- 0.1-
210602 F51 0.1+ 0.2+ 210604 H21 0.4+ 0.2- 210604 291 0.3- 0.4+
Ephemeris:
2021 LU a,e,i = 1.33, 0.57, 9 q = 0.5693
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 05 20 44 37.6 +42 31 09 0.1207 0.9942 79.7 93.4 22.4
...
2021 05 20 16 53 39.1 +10 34 32 0.1562 1.1438 145.4 30.2 21.2
...
2021 05 28 16 08 53.3 -00 42 03 0.2178 1.2193 159.1 17.2 21.7
...
2021 06 03 15 50 10.3 -05 51 58 0.2737 1.2738 159.1 16.5 22.2
2021 06 04 15 47 49.8 -06 33 04 0.2836 1.2827 158.6 16.8 22.3
2021 06 05 15 45 40.1 -07 11 48 0.2937 1.2915 157.9 17.2 22.4
...
2021 06 11 15 35 52.4 -10 24 04 0.3574 1.3433 152.8 20.2 23.1
...
2021 06 19 15 29 08.5 -13 27 24 0.4499 1.4094 145.3 24.2 23.8
...
2021 07 04 15 28 31.8 -17 14 32 0.6424 1.5240 132.1 29.7 24.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L46
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