[Iaude] MPEC L82: 2021 LW3 [a=0.82,e=0.30,i=16.4,H=23.13]
mpec at cfa.harvard.edu
mpec at cfa.harvard.edu
Fri Jun 7 10:59:28 EDT 2024
M.P.E.C. 2024-L82 Issued 2024 June 7, 14:58 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2021 LW3
Revision to MPEC 2021-L117
Additional Observations:
K21L03W 6C2024 06 05.12801 23 51 46.76 +17 24 11.6 19.8 GVEL082Z84
K21L03W 6C2024 06 05.12913 23 51 44.53 +17 24 46.5 20.1 GVEL082Z84
K21L03W 6C2024 06 05.13028 23 51 42.26 +17 25 22.0 21.1 GVEL082Z84
K21L03W 2C2024 06 06.18254223 13 35.391+26 41 50.41 19.9 GVEL082J04
K21L03W KC2024 06 07.00056922 36 59.114+33 49 18.44 18.7 GVEL082J95
K21L03W KC2024 06 07.00410122 36 48.806+33 51 08.32 18.0 GVEL082J95
K21L03W KC2024 06 07.00641422 36 42.024+33 52 20.24 17.9 GVEL082J95
K21L03W KC2024 06 07.00806922 36 37.176+33 53 11.62 17.6 GVEL082J95
Observer details:
J04 ESA Optical Ground Station, Tenerife. Observers D. Abreu, M. Micheli, F.
Ocana, L. Conversi. Measurers M. Micheli, R. Kresken, F. Ocana.
1.0-m f/4.4 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
Z84 Calar Alto-Schmidt. Observers M. Micheli, R. Kresken, F. Ocana.
Measurers R. Kresken, M. Micheli, F. Ocana, L. Conversi. 0.8-m f/3
Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
240605 Z84 0.18- 0.07- 240607 J95 0.05- 0.18- E2024-JU2 +0.01 days
Orbital elements:
2021 LW3 Earth MOID = 0.0118 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5 Veres
M 37.89219 (2000.0) P Q
n 1.31687698 Peri. 213.87640 -0.29319222 -0.91645754
a 0.8243391 Node 254.48945 +0.92783064 -0.20406155
e 0.3020923 Incl. 16.41456 +0.23058323 -0.34418666
P 0.75 H 23.13 G 0.15 U 0
Residuals in seconds of arc
210609 T08 (3.9+ 1.9+) 210610 U55 (0.8+ 1.0-) 210614 K87 0.5+ 0.2-
210609 T08 (2.9+ 1.1-) 210610 900 0.1- 0.2+ 210614 K87 0.2+ 0.2+
210609 T08 0.3+ 0.2- 210610 900 0.2- 0.4+ 210614 K87 0.2+ 0.6+
210609 T08 1.1- 0.2+ 210610 900 0.2- 0.2+ 210616 703 0.1+ 0.5+
210609 T08 0.1+ 0.1- 210612 I52 0.1+ 0.0 210616 703 0.4- 0.4-
210609 K88 0.4- 0.3- 210612 I52 0.1- 0.0 210616 703 0.2- 0.7+
210609 K88 0.2- 0.1- 210612 I52 0.1- 0.0 210616 703 0.0 0.7-
210609 K88 0.0 0.4- 210612 I52 0.1- 0.0 210622 G96 0.1+ 0.0
210609 L01 0.4+ 0.1+ 210612 703 (1.1- 1.0+) 210622 G96 0.0 0.1-
210609 L01 0.1+ 0.2- 210612 703 0.0 0.0 210622 G96 0.1+ 0.2-
210609 L01 0.5+ 0.1- 210612 703 0.1+ 0.2- 210622 G96 0.0 0.1-
210609 L18 (1.3+ 0.8+) 210612 703 0.3+ 0.9+ 210623 F51 0.1+ 0.1-
210609 L01 0.1+ 0.1- 210612 Z99 (0.9- 0.7+) 210623 F51 0.0 0.0
210609 L18 0.7+ 0.2- 210612 Z80 0.3- 1.1+ 210623 F51 0.0 0.1+
210609 L01 0.5+ 0.4- 210612 Z99 (1.2- 0.8+) 210625 695 0.0 0.1+
210609 L01 0.7+ 0.1+ 210612 Z99 (1.1- 1.0+) 210625 695 0.3- 0.3+
210609 L18 0.3+ 0.0 210612 Z80 0.4+ 0.3- 210625 695 0.2- 0.0
210609 204 0.2+ 0.1- 210612 Z80 0.3+ 0.6+ 210627 691 0.2- 0.0
210609 204 0.2+ 0.1+ 210613 703 0.6+ 0.2+ 210627 691 0.1+ 0.1-
210609 204 0.2+ 0.1+ 210613 703 0.0 0.1- 210627 691 0.2+ 0.2-
210609 I93 0.6+ 0.1- 210613 703 0.2- 0.1- 210628 291 0.1- 0.0
210609 I93 0.4- 0.4- 210613 703 0.5- 0.2+ 210628 291 0.1- 0.1+
210609 Z80 0.0 0.5- 210613 I52 0.4- 0.1+ 210628 291 0.1- 0.0
210609 Z80 (0.1+ 1.0-) 210613 I52 0.1- 0.0 210703 033 0.1- 0.3+
210610 H36 1.1+ 0.4- 210613 I52 0.1- 0.0 210703 033 0.2+ 0.0
210610 H36 1.1+ 0.2- 210613 I52 0.0 0.1+ 210703 033 0.2+ 0.1+
210610 H36 1.3+ 0.1- 210613 K87 0.2- 0.1- 240605 Z84 0.3+ 0.1-
210610 H36 1.1+ 0.1+ 210613 K87 0.2+ 0.1- 240605 Z84 0.1- 0.4+
210610 H36 0.5+ 0.0 210613 215 0.6- 0.3+ 240605 Z84 0.3- 0.5+
210610 I52 0.1- 0.1- 210613 215 0.8- 0.5+ 240606 J04 0.3+ 0.2-
210610 I52 0.0 0.1- 210613 215 0.9- 0.9+ 240607 J95 0.0 0.2-
210610 I52 0.1- 0.1- 210613 K87 0.4- 0.5- 240607 J95 0.3+ 0.1-
210610 I52 0.0 0.1- 210614 V01 0.8- 2.7+ 240607 J95 0.2+ 0.0
210610 U55 (0.7+ 1.0-) 210614 V01 0.1+ 0.1+ 240607 J95 0.2+ 0.0
210610 U55 0.5+ 0.2- 210614 V01 0.2+ 0.1+
Ephemeris:
2021 LW3 a,e,i = 0.82, 0.30, 16 q = 0.5753
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2024 05 08 02 44 26.8 -24 16 00 0.1727 0.8874 41.5 131.1 24.9
...
2024 05 23 02 13 16.5 -21 20 10 0.08788 0.9575 49.3 126.7 23.2
...
2024 05 31 01 25 50.9 -09 50 05 0.04619 0.9885 55.6 122.2 21.4
...
2024 06 06 23 20 40.3 +25 04 00 0.02529 1.0087 75.5 103.1 18.9
2024 06 07 22 36 45.5 +33 52 15 0.02479 1.0119 82.3 96.4 18.6
2024 06 08 21 44 11.6 +41 24 45 0.02558 1.0149 89.0 89.6 18.4
...
2024 06 14 17 29 36.6 +48 23 52 0.04725 1.0315 108.3 69.2 19.0
...
2024 06 22 16 08 53.3 +41 45 07 0.08859 1.0494 109.6 65.8 20.3
...
2024 07 07 15 38 44.0 +35 51 57 0.1683 1.0695 103.8 67.4 21.8
A. U. Tomatic (C) Copyright 2024 MPC M.P.E.C. 2024-L82
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