MPEC 2021-L64 : 2021 LO1
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M.P.E.C. 2021-L64 Issued 2021 June 6, 10:27 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 LO1
Observations:
K21L01O*KC2021 06 02.99476 13 35 17.39 -31 30 18.5 19.0 GVEL064W94
K21L01O KC2021 06 03.00033 13 35 17.33 -31 30 11.7 19.7 GVEL064W94
K21L01O KC2021 06 03.00589 13 35 17.18 -31 30 04.0 19.4 GVEL064W94
K21L01O KC2021 06 03.16654 13 35 14.28 -31 26 33.6 19.2 GVEL064W95
K21L01O KC2021 06 03.17179 13 35 14.19 -31 26 26.9 19.4 GVEL064W95
K21L01O KC2021 06 03.17707 13 35 14.08 -31 26 19.7 19.3 GVEL064W95
K21L01O KC2021 06 04.12857 13 35 07.35 -31 05 36.1 19.7 GVEL064W95
K21L01O KC2021 06 04.13388 13 35 07.30 -31 05 28.6 19.0 GVEL064W95
K21L01O KC2021 06 04.13918 13 35 07.18 -31 05 18.4 VEL064W95
K21L01O KC2021 06 04.18510913 35 07.62 -31 04 38.5 19.87GVEL064I52
K21L01O KC2021 06 04.19404313 35 07.44 -31 04 25.1 19.69GVEL064I52
K21L01O KC2021 06 04.20387213 35 07.34 -31 04 13.2 19.26GVEL064I52
K21L01O KC2021 06 04.90822313 35 05.83 -30 48 29.3 19.2 GXEL064Y00
K21L01O KC2021 06 04.91309613 35 05.74 -30 48 22.5 20.0 GXEL064Y00
K21L01O KC2021 06 04.91795713 35 05.72 -30 48 16.2 20.2 GXEL064Y00
K21L01O KC2021 06 05.01624 13 35 04.84 -30 46 07.5 19.8 rqEL064X74
K21L01O KC2021 06 05.02316 13 35 04.78 -30 45 57.7 19.6 rqEL064X74
K21L01O KC2021 06 05.03052 13 35 04.52 -30 45 47.6 19.4 rqEL064X74
Observer details:
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.
W95 Observatorio Panameno, San Pedro de Atacama. Observers A. Maury, G.
Attard, J. Fabrega. Measurers A. Maury, G. Attard, D. Parrott. 0.40-m
f/3.8 reflector + CCD.
X74 Observatorio Campo dos Amarais. Observer L. S. Amaral. 0.31-m f/4
Newtonian reflector + 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 LO1 Earth MOID = 0.1591 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Bell
M 275.91700 (2000.0) P Q
n 0.35076333 Peri. 23.82247 +0.50886546 +0.84121442
a 1.9912537 Node 277.22354 -0.81645733 +0.40431345
e 0.4150938 Incl. 10.61788 -0.27286146 +0.35901105
P 2.81 H 19.62 G 0.15 U 9
Residuals in seconds of arc
210602 W94 0.4- 0.2+ 210604 W95 0.1- 0.1+ 210604 Y00 0.3- 0.1-
210603 W94 0.2+ 0.1- 210604 W95 0.2+ 0.4+ 210604 Y00 0.8- 0.4+
210603 W94 0.4- 0.5+ 210604 W95 (0.4- 3.5+) 210604 Y00 0.4- 0.4+
210603 W95 0.6+ 0.0 210604 I52 0.1+ 0.3- 210605 X74 0.1+ 0.3-
210603 W95 0.5+ 0.4- 210604 I52 (0.7- 1.3+) 210605 X74 0.3+ 0.3+
210603 W95 0.3+ 0.2- 210604 I52 0.2- 0.2+ 210605 X74 (2.1- 0.6+)
Ephemeris:
2021 LO1 a,e,i = 1.99, 0.42, 11 q = 1.1647
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 07 14 00 00.7 -38 41 16 0.5274 1.5033 154.9 16.5 20.0
...
2021 05 22 13 42 02.0 -35 27 45 0.4632 1.4239 147.2 22.6 19.8
...
2021 05 30 13 36 30.8 -32 54 53 0.4409 1.3836 140.8 27.6 19.8
...
2021 06 05 13 35 05.0 -30 46 26 0.4285 1.3545 135.6 31.6 19.8
2021 06 06 13 35 05.5 -30 24 19 0.4268 1.3498 134.8 32.3 19.8
2021 06 07 13 35 10.5 -30 02 03 0.4251 1.3451 133.9 32.9 19.8
...
2021 06 13 13 37 13.6 -27 46 53 0.4168 1.3177 128.9 36.9 19.8
...
2021 06 21 13 44 06.6 -24 47 53 0.4092 1.2837 122.6 41.8 19.9
...
2021 07 06 14 08 50.9 -19 34 04 0.4021 1.2291 112.7 49.7 19.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L64
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