MPEC 2021-L144 : 2021 LU5
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M.P.E.C. 2021-L144 Issued 2021 June 13, 23:25 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 LU5
Observations:
K21L05U* C2021 06 11.44691623 15 39.59 -00 53 29.0 VEL144V00
K21L05U C2021 06 11.45560123 15 47.08 -00 56 21.4 20.42GVEL144V00
K21L05U C2021 06 11.45994623 15 50.81 -00 57 47.5 20.37GVEL144V00
K21L05U mC2021 06 11.46654623 15 56.58 -01 00 00.5 20.16GVEL144V00
K21L05U mC2021 06 11.46691223 15 56.90 -01 00 07.8 20.06GVEL144V00
K21L05U mC2021 06 11.46728023 15 57.22 -01 00 15.3 20.08GVEL144V00
K21L05U mC2021 06 11.46764823 15 57.54 -01 00 22.6 20.01GVEL144V00
K21L05U mC2021 06 12.46405523 31 08.87 -06 25 31.0 20.33GVEL144V00
K21L05U mC2021 06 12.46442323 31 09.18 -06 25 38.1 20.44GVEL144V00
K21L05U mC2021 06 12.46480123 31 09.49 -06 25 45.2 19.95GVEL144V00
K21L05U mC2021 06 12.46516123 31 09.80 -06 25 52.1 20.05GVEL144V00
K21L05U KC2021 06 12.46532923 31 09.77 -06 25 56.9 19.88GVEL144G96
K21L05U KC2021 06 12.46567623 31 10.10 -06 26 02.3 19.80GVEL144G96
K21L05U KC2021 06 12.46602423 31 10.33 -06 26 09.6 20.17GVEL144G96
K21L05U |C2021 06 13.34368 23 44 01.57 -10 51 40.4 20.6 GVEL144807
K21L05U |C2021 06 13.34589 23 44 03.35 -10 52 19.8 20.4 GVEL144807
K21L05U |C2021 06 13.34789 23 44 04.97 -10 52 55.5 20.6 GVEL144807
Observer details:
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + CCD.
G96 Mt. Lemmon Survey. Observer D. Rankin. 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. 1.5-m reflector + 10K CCD.
V00 Kitt Peak-Bok. Observer H. Groeller. Measurers M. J. Brucker, E. J.
Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
Wierzchos. 2.25-m reflector + CCD.
Orbital elements:
2021 LU5 Earth MOID = 0.0003 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 237.14570 (2000.0) P Q
n 0.68569208 Peri. 182.25340 -0.07756964 +0.96448199
a 1.2736496 Node 83.37144 -0.91069588 +0.03452195
e 0.2015986 Incl. 14.72628 -0.40572893 -0.26188304
P 1.44 H 24.25 G 0.15 U 7
Residuals in seconds of arc
210611 V00 (1.9+ 2.7-) 210611 V00 0.0 0.0 210612 G96 (0.7+ 1.1+)
210611 V00 (0.4+ 0.7-) 210612 V00 0.0 0.0 210612 G96 0.2- 0.5+
210611 V00 (0.5- 0.5+) 210612 V00 0.0 0.1- 210613 807 0.1- 0.0
210611 V00 0.0 0.0 210612 V00 0.1- 0.0 210613 807 0.0 0.0
210611 V00 0.1- 0.0 210612 V00 0.1+ 0.0 210613 807 0.2+ 0.0
210611 V00 0.0 0.0 210612 G96 0.1+ 0.1-
Ephemeris:
2021 LU5 a,e,i = 1.27, 0.20, 15 q = 1.0169
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 14 18 00 51.8 +53 25 22 0.1362 1.0439 100.4 72.2 22.5
...
2021 05 29 19 51 09.4 +47 35 15 0.07212 1.0243 96.6 79.4 21.4
...
2021 06 06 21 46 05.8 +27 55 19 0.04567 1.0187 93.7 83.7 20.5
...
2021 06 12 23 24 01.5 -03 54 03 0.04202 1.0169 90.8 86.9 20.5
2021 06 13 23 38 55.3 -09 09 39 0.04339 1.0168 90.4 87.2 20.5
2021 06 14 23 53 07.8 -14 00 35 0.04525 1.0168 90.1 87.3 20.6
...
2021 06 20 01 02 46.0 -33 32 39 0.06362 1.0177 89.6 86.8 21.4
...
2021 06 28 02 01 03.6 -43 58 35 0.09627 1.0222 90.6 83.9 22.2
...
2021 07 13 02 55 25.2 -50 23 50 0.1598 1.0399 93.9 77.2 23.0
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L144
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