MPEC 2021-L45 : 2021 LT
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M.P.E.C. 2021-L45 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 LT
Observations:
K21L00T* C2021 06 02.27416615 19 29.931-01 49 09.26 22.42wUEL045F51
K21L00T C2021 06 02.28445715 19 32.071-01 48 53.59 22.12wUEL045F51
K21L00T C2021 06 02.30512715 19 36.318-01 48 21.66 22.71wUEL045F51
K21L00T C2021 06 02.40841715 19 57.181-01 45 43.58 22.64GVEL045F51
K21L00T C2021 06 02.40906115 19 57.297-01 45 42.42 22.40GVEL045F51
K21L00T KC2021 06 03.28365 15 23 09.09 -01 24 52.8 oEL045291
K21L00T KC2021 06 03.29486 15 23 11.24 -01 24 38.7 22.5 RoEL045291
K21L00T KC2021 06 03.30612 15 23 13.39 -01 24 23.3 22.4 RoEL045291
K21L00T ^C2021 06 03.51714515 23 55.394-01 19 28.21 22.31GVEL045568
K21L00T ^C2021 06 03.51835415 23 55.625-01 19 26.61 22.29GVEL045568
K21L00T ^C2021 06 03.51957815 23 55.860-01 19 24.99 21.93GVEL045568
K21L00T KC2021 06 04.16042115 26 08.87 -01 06 11.7 22.7 VuEL045H21
K21L00T KC2021 06 04.17339915 26 11.14 -01 05 55.5 22.6 VuEL045H21
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 LT Earth MOID = 0.0307 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 299.73380 (2000.0) P Q
n 0.60374479 Peri. 292.65274 -0.97783295 -0.14228090
a 1.3864380 Node 239.47514 +0.18423210 -0.93328009
e 0.3527553 Incl. 10.27278 -0.09950503 -0.32976420
P 1.63 H 25.60 G 0.15 U 8
Residuals in seconds of arc
210602 F51 0.1- 0.1+ 210603 291 (0.3- 1.5+) 210603 568 0.0 0.0
210602 F51 0.0 0.1- 210603 291 0.3+ 0.3+ 210604 H21 0.1+ 0.1+
210602 F51 0.1- 0.0 210603 291 0.8+ 0.4+ 210604 H21 0.0 0.6+
210602 F51 0.1+ 0.0 210603 568 0.0 0.0
210602 F51 0.1- 0.2+ 210603 568 0.0 0.0
Ephemeris:
2021 LT a,e,i = 1.39, 0.35, 10 q = 0.8974
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 05 06 49 16.5 -24 25 51 0.07378 0.9876 71.5 104.5 23.8
...
2021 05 20 13 18 53.6 -16 41 21 0.05468 1.0570 144.8 33.5 20.8
...
2021 05 28 14 52 57.3 -05 02 02 0.09386 1.0981 153.5 24.3 21.8
...
2021 06 03 15 22 09.1 -01 30 52 0.1300 1.1301 151.3 25.5 22.6
2021 06 04 15 25 36.5 -01 08 48 0.1363 1.1355 150.9 25.8 22.7
2021 06 05 15 28 47.7 -00 49 25 0.1427 1.1409 150.4 26.1 22.8
...
2021 06 11 15 43 52.5 +00 24 01 0.1828 1.1736 147.5 27.7 23.5
...
2021 06 19 15 57 55.0 +00 48 57 0.2400 1.2176 143.6 29.7 24.2
...
2021 07 04 16 17 43.6 -00 11 00 0.3590 1.2998 136.2 32.8 25.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L45
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