MPEC 2021-L104 : 2021 LG3
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M.P.E.C. 2021-L104 Issued 2021 June 9, 23:00 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 LG3
Observations:
K21L03G* C2021 06 08.29071314 51 46.074-23 19 18.01 20.43wUEL104F51
K21L03G C2021 06 08.30168114 51 46.724-23 18 54.55 20.35wUEL104F51
K21L03G C2021 06 08.31267114 51 47.368-23 18 30.89 21.16wUEL104F51
K21L03G C2021 06 08.32366614 51 48.006-23 18 07.13 21.24wUEL104F51
K21L03G C2021 06 08.39062214 51 51.953-23 15 39.30 19.90GVEL104F51
K21L03G C2021 06 08.39126914 51 51.991-23 15 37.86 19.92GVEL104F51
K21L03G C2021 06 08.39191114 51 52.028-23 15 36.42 19.90GVEL104F51
K21L03G C2021 06 08.39585614 51 52.270-23 15 27.63 19.71GVEL104F51
K21L03G KC2021 06 08.53133814 52 03.54 -23 09 19.6 VEL104474
K21L03G KC2021 06 08.53485714 52 03.81 -23 09 11.7 20.3 GVEL104474
K21L03G KC2021 06 08.53837614 52 04.04 -23 09 03.4 20.0 GVEL104474
K21L03G KC2021 06 08.54189414 52 04.31 -23 08 55.6 20.3 GVEL104474
K21L03G KC2021 06 09.15915 14 53 02.75 -22 46 56.9 20.0 RqEL104734
K21L03G KC2021 06 09.15925 14 53 02.82 -22 46 56.6 19.9 GVEL104H36
K21L03G KC2021 06 09.16301 14 53 03.00 -22 46 48.0 19.6 RqEL104734
K21L03G KC2021 06 09.16646 14 53 03.26 -22 46 39.8 19.9 RqEL104734
K21L03G KC2021 06 09.16822 14 53 03.37 -22 46 35.6 20.4 GVEL104H36
K21L03G KC2021 06 09.16988 14 53 03.50 -22 46 32.2 19.4 RqEL104734
K21L03G KC2021 06 09.17631 14 53 03.94 -22 46 16.6 20.3 GVEL104H36
K21L03G C2021 06 09.26613 14 53 11.66 -22 42 44.3 19.6 GVEL104654
K21L03G C2021 06 09.27013 14 53 12.06 -22 42 35.2 19.6 GVEL104654
K21L03G C2021 06 09.64991914 53 50.79 -22 27 32.1 19.9 rVEL104N51
K21L03G C2021 06 09.65465314 53 51.10 -22 27 21.2 20.2 rVEL104N51
K21L03G C2021 06 09.65938714 53 51.50 -22 27 10.0 20.1 rVEL104N51
K21L03G C2021 06 09.66412014 53 51.84 -22 26 58.4 20.2 rVEL104N51
Observer details:
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore, P. M.
Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers P. Choi, N. Saini,
C. Zhai, R. Trahan, M. Shao.
734 Farpoint Observatory, Eskridge. Observers G. Hug, D. Cromer, D. Goodin,
R. Valentine. Measurer D. Cromer. 0.7-m 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.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
N51 GROWTH India Telescope, IAO, Hanle. Observers K. Sharma, H. Kumar, S.
Joharle, U. Stanzin, V. Bhalerao, G. C. Anupama, S. Barway. Measurer K.
Sharma. 0.70-m f/6.5 Corrected Dall-Kirkham + CCD.
Orbital elements:
2021 LG3 Earth MOID = 0.0475 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 310.78320 (2000.0) P Q
n 0.23524386 Peri. 32.57568 +0.39920489 +0.91037541
a 2.5989057 Node 261.15536 -0.86303819 +0.33302732
e 0.6007074 Incl. 6.32554 -0.30951662 +0.24557975
P 4.19 H 23.19 G 0.15 U 9
Residuals in seconds of arc
210608 F51 0.0 0.1+ 210608 474 0.0 0.1- 210609 H36 0.1- 0.4+
210608 F51 0.1+ 0.0 210608 474 0.3- 0.1+ 210609 654 (1.1- 0.1+)
210608 F51 0.1+ 0.0 210608 474 0.0 0.2- 210609 654 0.5+ 0.3-
210608 F51 0.0 0.0 210609 734 0.0 0.1+ 210609 N51 0.4- 0.4+
210608 F51 0.1+ 0.0 210609 H36 1.1+ 0.0 210609 N51 0.9- 0.0
210608 F51 0.1+ 0.0 210609 734 0.3- 0.0 210609 N51 0.3- 0.1-
210608 F51 0.0 0.0 210609 734 0.1- 0.2+ 210609 N51 0.5- 0.2+
210608 F51 0.1+ 0.1- 210609 H36 0.0 0.2+
210608 474 0.3- 0.1+ 210609 734 0.2- 0.1-
Ephemeris:
2021 LG3 a,e,i = 2.60, 0.60, 6 q = 1.0377
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 10 14 46 23.3 -30 47 09 0.3202 1.3226 165.9 10.7 22.0
...
2021 05 25 14 43 21.0 -28 49 54 0.2183 1.2196 159.5 16.9 21.2
...
2021 06 02 14 45 36.9 -26 23 52 0.1720 1.1709 153.8 22.5 20.8
...
2021 06 08 14 51 20.4 -23 29 05 0.1402 1.1381 149.5 26.9 20.4
2021 06 09 14 52 47.6 -22 52 09 0.1352 1.1330 148.9 27.6 20.3
2021 06 10 14 54 25.4 -22 12 26 0.1302 1.1280 148.2 28.3 20.3
...
2021 06 16 15 08 57.8 -16 57 03 0.1016 1.1003 144.7 32.2 19.8
...
2021 06 24 15 49 32.1 -03 45 15 0.06881 1.0705 140.7 37.0 19.0
...
2021 07 09 19 50 38.4 +44 34 55 0.05693 1.0398 112.5 64.6 19.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L104
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