MPEC 2021-L74 : 2021 LA2
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M.P.E.C. 2021-L74 Issued 2021 June 8, 01:14 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 LA2
Observations:
K21L02A* C2021 06 06.33710517 28 12.75 +10 43 14.6 19.84GVEL074G96
K21L02A C2021 06 06.34226617 28 11.92 +10 44 46.2 20.04GVEL074G96
K21L02A C2021 06 06.34742717 28 11.06 +10 46 15.5 20.46GVEL074G96
K21L02A KC2021 06 06.42602517 27 58.16 +11 09 00.9 20.38GVEL074I52
K21L02A KC2021 06 06.42778417 27 57.90 +11 09 31.0 20.03GVEL074I52
K21L02A KC2021 06 06.42954317 27 57.62 +11 10 01.6 19.87GVEL074I52
K21L02A KC2021 06 06.91151317 27 05.06 +13 24 02.5 20.4 GVEL074L01
K21L02A KC2021 06 06.91363517 27 04.72 +13 24 37.3 20.3 GVEL074L01
K21L02A KC2021 06 06.91779017 27 04.10 +13 25 44.3 20.2 GVEL074L01
K21L02A KC2021 06 06.91998517 27 03.79 +13 26 20.3 20.4 GVEL074L01
K21L02A KC2021 06 06.92205917 27 03.42 +13 26 52.9 20.2 GVEL074L01
K21L02A KC2021 06 07.26034217 26 24.37 +14 55 58.6 20.29GVEL074I52
K21L02A KC2021 06 07.26337717 26 23.92 +14 56 45.5 19.83GVEL074I52
K21L02A KC2021 06 07.88279917 25 15.95 +17 27 47.2 20.7 GVEL074I93
K21L02A KC2021 06 07.89973617 25 13.61 +17 31 45.3 20.3 GVEL074I93
K21L02A KC2021 06 07.91279517 25 11.74 +17 34 55.0 ZEL074B37
K21L02A KC2021 06 07.92119817 25 10.62 +17 36 53.3 ZEL074B37
K21L02A KC2021 06 07.92960617 25 09.44 +17 38 50.4 20.9 VZEL074B37
K21L02A KC2021 06 07.99602917 25 00.29 +17 53 57.7 20.3 GVEL074J95
K21L02A KC2021 06 08.00681117 24 58.85 +17 56 26.7 20.5 GVEL074J95
K21L02A KC2021 06 08.01674817 24 57.48 +17 58 43.7 20.6 GVEL074J95
Observer details:
B37 Obs. de L Ametlla del Valles, Barcelona. Observer A. Garrigos. 0.51-m
f/4.0 reflector + CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
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.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2021 LA2 Earth MOID = 0.0554 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 265.69510 (2000.0) P Q
n 0.66573514 Peri. 335.98683 -0.63379888 +0.64164090
a 1.2989778 Node 251.46818 -0.61523441 -0.75666206
e 0.1862731 Incl. 27.10298 -0.46881296 +0.12553675
P 1.48 H 24.44 G 0.15 U 8
Residuals in seconds of arc
210606 G96 0.5- 0.1- 210606 L01 0.0 0.7+ 210607 I93 0.5+ 1.1-
210606 G96 (0.1+ 1.2+) 210606 L01 0.1+ 0.4+ 210607 B37 (0.5- 0.1-)
210606 G96 0.2+ 0.1+ 210606 L01 0.4+ 1.0+ 210607 B37 0.0 0.3+
210606 I52 0.1- 0.0 210606 L01 0.4- 0.1+ 210607 B37 0.1- 0.4-
210606 I52 0.1+ 0.3- 210607 I52 0.3+ 0.1- 210607 J95 0.1- 0.2-
210606 I52 0.1+ 0.1+ 210607 I52 0.4+ 0.0 210608 J95 0.3+ 0.1+
210606 L01 0.3+ 0.3+ 210607 I93 1.8+ 0.4- 210608 J95 0.1+ 0.4+
Ephemeris:
2021 LA2 a,e,i = 1.30, 0.19, 27 q = 1.0570
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 09 03 31 49.1 -81 29 20 0.1946 1.0570 98.8 70.7 23.5
...
2021 05 24 18 41 15.9 -72 51 32 0.08785 1.0635 123.4 52.7 21.2
...
2021 06 01 17 43 06.2 -24 52 18 0.05942 1.0713 164.2 14.9 19.3
...
2021 06 07 17 26 52.4 +13 48 29 0.07907 1.0790 142.9 34.6 20.5
2021 06 08 17 24 59.4 +17 55 39 0.08484 1.0804 138.9 38.1 20.8
2021 06 09 17 23 16.1 +21 29 03 0.09100 1.0819 135.5 41.2 21.0
...
2021 06 15 17 15 33.8 +34 50 53 0.1330 1.0915 121.7 52.3 22.2
...
2021 06 23 17 10 01.7 +42 20 05 0.1938 1.1064 113.0 57.8 23.2
...
2021 07 08 17 08 00.6 +46 28 33 0.3075 1.1397 105.8 59.1 24.3
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L74
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