MPEC 2021-L83 : 2021 LK2
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M.P.E.C. 2021-L83 Issued 2021 June 8, 10:11 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 LK2
Observations:
K21L02K* C2021 06 06.52029720 41 58.294-28 41 00.54 19.59wUEL083F51
K21L02K C2021 06 06.53126220 42 01.080-28 40 38.76 19.62wUEL083F51
K21L02K C2021 06 06.54225720 42 03.891-28 40 16.83 19.71wUEL083F51
K21L02K C2021 06 06.55324920 42 06.679-28 39 54.85 19.63wUEL083F51
K21L02K KC2021 06 07.12376720 44 40.16 -28 20 01.6 19.6 GXEL083Y00
K21L02K KC2021 06 07.12676520 44 40.94 -28 19 55.5 19.6 GXEL083Y00
K21L02K KC2021 06 07.13026620 44 41.87 -28 19 48.5 19.4 GXEL083Y00
K21L02K KC2021 06 07.31660 20 45 30.40 -28 13 22.2 19.5 GVEL083W94
K21L02K KC2021 06 07.32213 20 45 31.86 -28 13 11.3 19.3 GVEL083W94
K21L02K KC2021 06 07.32770 20 45 33.21 -28 12 58.8 VEL083W94
K21L02K KC2021 06 07.37781220 45 47.42 -28 11 34.0 19.26GVEL083I52
K21L02K KC2021 06 07.37907220 45 47.73 -28 11 31.8 19.30GVEL083I52
K21L02K KC2021 06 07.38033020 45 48.03 -28 11 29.3 19.29GVEL083I52
K21L02K ^C2021 06 07.56578220 46 37.158-28 04 54.40 19.98GVEL083568
K21L02K ^C2021 06 07.56676520 46 37.409-28 04 52.32 19.98GVEL083568
K21L02K ^C2021 06 07.56774420 46 37.661-28 04 50.23 19.94GVEL083568
K21L02K KC2021 06 08.39727720 50 21.22 -27 34 55.1 19.09GVEL083I52
K21L02K KC2021 06 08.39878720 50 21.66 -27 34 51.8 19.10GVEL083I52
K21L02K KC2021 06 08.40029920 50 22.02 -27 34 48.4 19.45GVEL083I52
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.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, M.
Willman. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer K. W. Wierzchos.
Measurers E. J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A.
Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m
reflector + CCD.
W94 MAP, San Pedro de Atacama. Observers A. Maury, G. Attard. Measurers A.
Maury, G. Attard, D. Parrott. 0.28-m f/2.2 Schmidt + CCD.
Y00 SONEAR Observatory, Oliveira. Observers C. Jacques, E. Pimentel, J.
Barros. Measurer C. Jacques. 0.45-m f/2.9 reflector + CCD.
Orbital elements:
2021 LK2 Earth MOID = 0.1194 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 301.28665 (2000.0) P Q
n 0.26986631 Peri. 24.99360 +0.64648472 +0.75102483
a 2.3715754 Node 285.58239 -0.72130553 +0.54435980
e 0.5257497 Incl. 8.01068 -0.24854747 +0.37367647
P 3.65 H 20.22 G 0.15 U 9
Residuals in seconds of arc
210606 F51 0.1+ 0.1+ 210607 W94 0.7- 0.5+ 210607 568 0.0 0.0
210606 F51 0.1- 0.0 210607 W94 0.1- 0.2- 210607 568 0.0 0.0
210606 F51 0.1+ 0.0 210607 W94 1.1- 0.7+ 210608 I52 0.3- 0.1+
210606 F51 0.1- 0.1- 210607 I52 0.0 0.2+ 210608 I52 0.2+ 0.1+
210607 Y00 0.2+ 0.1+ 210607 I52 0.1- 0.3- 210608 I52 0.1- 0.1+
210607 Y00 0.2+ 0.2+ 210607 I52 0.4- 0.3-
210607 Y00 0.4+ 0.1+ 210607 568 0.0 0.0
Ephemeris:
2021 LK2 a,e,i = 2.37, 0.53, 8 q = 1.1247
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 09 18 51 38.6 -36 18 04 0.5460 1.4044 126.5 35.3 21.1
...
2021 05 24 19 45 23.9 -34 03 32 0.4137 1.3149 129.5 36.5 20.4
...
2021 06 01 20 17 58.9 -31 22 44 0.3555 1.2717 129.9 37.7 20.0
...
2021 06 07 20 44 05.2 -28 24 22 0.3180 1.2419 129.6 39.0 19.8
2021 06 08 20 48 33.3 -27 49 03 0.3123 1.2372 129.5 39.3 19.7
2021 06 09 20 53 03.2 -27 12 03 0.3067 1.2326 129.3 39.6 19.7
...
2021 06 15 21 20 31.9 -22 52 51 0.2769 1.2064 128.1 41.5 19.5
...
2021 06 23 21 57 48.8 -15 27 18 0.2473 1.1764 125.2 44.9 19.3
...
2021 07 08 23 04 44.3 +01 55 40 0.2238 1.1375 117.5 52.4 19.2
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L83
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