MPEC 2021-L57 : 2021 LE1
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M.P.E.C. 2021-L57 Issued 2021 June 5, 11:16 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 LE1
Observations:
K21L01E* C2021 06 02.36114716 17 37.050+01 32 30.37 22.19wUEL057F51
K21L01E C2021 06 02.37291916 17 35.904+01 32 35.16 22.22wUEL057F51
K21L01E C2021 06 02.38469116 17 34.770+01 32 39.88 21.92wUEL057F51
K21L01E C2021 06 02.51675116 17 21.971+01 33 33.38 22.01GVEL057F51
K21L01E C2021 06 02.51739516 17 21.923+01 33 33.16 22.30GVEL057F51
K21L01E KC2021 06 03.36660416 16 05.61 +01 38 58.1 22.35GVEL057V06
K21L01E KC2021 06 03.37485116 16 04.86 +01 39 01.7 22.07GVEL057V06
K21L01E KC2021 06 03.38308616 16 04.08 +01 39 04.6 22.11GVEL057V06
K21L01E KC2021 06 03.39132116 16 03.31 +01 39 07.5 22.56GVEL057V06
K21L01E KC2021 06 04.25978 16 14 47.47 +01 44 14.8 22.3 RoEL057291
K21L01E KC2021 06 04.26803 16 14 46.67 +01 44 17.7 21.9 RoEL057291
K21L01E KC2021 06 05.17897316 13 28.36 +01 49 06.9 22.5 VuEL057H21
K21L01E KC2021 06 05.18161016 13 28.11 +01 49 07.7 22.7 VuEL057H21
K21L01E KC2021 06 05.18201616 13 28.07 +01 49 07.8 22.6 VuEL057H21
Observer details:
291 LPL/Spacewatch II. Observer R. A. Mastaler. 1.8-m f/2.7 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
V06 Catalina Sky Survey-Kuiper. Observer R. A. Kowalski. 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. 1.55-m reflector +
1K CCD.
Orbital elements:
2021 LE1 Earth MOID = 0.1507 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5 Veres
M 356.23917 (2000.0) P Q
n 0.58422338 Peri. 280.73729 -0.56767405 -0.81910430
a 1.4171531 Node 204.42208 +0.81159351 -0.53999719
e 0.2804587 Incl. 11.51685 +0.13806574 -0.19357476
P 1.69 H 21.84 G 0.15 U 9
Residuals in seconds of arc
210602 F51 0.0 0.1+ 210603 V06 0.1- 0.3- 210604 291 0.4- 0.4+
210602 F51 0.1- 0.1+ 210603 V06 0.2+ 0.2+ 210605 H21 0.2+ 0.1-
210602 F51 0.0 0.0 210603 V06 0.1+ 0.1+ 210605 H21 0.0 0.1-
210602 F51 0.1- 0.1+ 210603 V06 0.1+ 0.1- 210605 H21 0.1- 0.2-
210602 F51 0.1+ 0.4- 210604 291 0.1+ 0.2+
Ephemeris:
2021 LE1 a,e,i = 1.42, 0.28, 12 q = 1.0197
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 05 06 17 03 18.0 -05 17 41 0.4946 1.4452 145.9 23.0 22.2
...
2021 05 21 16 38 18.8 -00 40 00 0.5176 1.5030 157.3 15.0 22.1
...
2021 05 29 16 24 32.4 +00 56 55 0.5461 1.5323 157.5 14.7 22.3
...
2021 06 04 16 15 10.1 +01 42 53 0.5748 1.5534 154.6 16.3 22.5
2021 06 05 16 13 43.5 +01 48 21 0.5802 1.5569 154.0 16.6 22.5
2021 06 06 16 12 19.2 +01 53 13 0.5857 1.5603 153.3 17.0 22.5
...
2021 06 12 16 04 47.2 +02 10 10 0.6224 1.5806 148.7 19.5 22.8
...
2021 06 20 15 57 22.8 +02 03 53 0.6795 1.6064 141.9 23.0 23.1
...
2021 07 05 15 51 44.6 +00 48 03 0.8074 1.6510 129.3 28.4 23.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-L57
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