[Iaude] MPEC B116: 2011 AL1 [a=1.93,e=0.50,i=36.7,H=19.8]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Jan 27 17:35:17 EST 2019
M.P.E.C. 2019-B116 Issued 2019 Jan. 27, 22:32 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 AL1
Revision to MPEC 2011-A11
Additional Observations:
K11A01L C2018 06 10.55252620 48 19.419-30 01 34.36 23.2 GVEB116F51
K11A01L C2018 06 10.56352020 48 19.481-30 01 50.80 22.8 GVEB116F51
K11A01L C2018 06 10.57450320 48 19.546-30 02 06.42 22.9 GVEB116F51
K11A01L C2018 06 10.58547320 48 19.639-30 02 21.76 22.1 GVEB116F51
K11A01L C2018 06 17.52570420 48 39.400-33 00 54.76 22.4 GVEB116F51
K11A01L C2018 06 17.53736420 48 39.303-33 01 14.72 22.4 GVEB116F51
K11A01L C2018 06 23.51783520 47 15.994-35 59 03.46 22.5 GVEB116F51
K11A01L C2018 06 23.52645820 47 15.771-35 59 20.05 22.4 GVEB116F51
K11A01L C2018 06 23.53507720 47 15.541-35 59 36.73 22.0 GVEB116F51
K11A01L C2019 01 27.22629 02 11 09.187+31 22 24.02 19.8 wUEB116F52
K11A01L C2019 01 27.23734 02 11 11.318+31 23 26.16 20.3 wUEB116F52
K11A01L C2019 01 27.24840 02 11 13.458+31 24 27.62 20.8 wUEB116F52
K11A01L C2019 01 27.25951 02 11 15.575+31 25 30.13 21.1 wUEB116F52
K11A01L KC2019 01 27.78797802 13 02.12 +32 14 21.2 19.9 GVEB116J95
K11A01L KC2019 01 27.80028602 13 04.50 +32 15 28.1 20.7 GVEB116J95
K11A01L KC2019 01 27.80902102 13 06.23 +32 16 16.0 20.7 GVEB116J95
K11A01L KC2019 01 27.81504202 13 07.43 +32 16 48.5 20.4 GVEB116J95
Observer details:
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe,
E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber,
Y. Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, 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.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
180610 F51 50- 3- 190127 J95 149+ 9- MPO192645 +80 day
Orbital elements:
2011 AL1 Earth MOID = 0.0607 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 50.00977 (2000.0) P Q
n 0.36830232 Peri. 317.55219 +0.46945041 -0.65262363
a 1.9275238 Node 95.39743 +0.88108837 +0.39007040
e 0.5035451 Incl. 36.68208 -0.05744210 +0.64955945
P 2.68 H 19.8 G 0.15 U 1
Residuals in seconds of arc
101227 C51 0.0 0.6- 110105 704 0.3+ 2.1+ 110111 204 0.1- 0.1-
101227 C51 0.2- 0.1+ 110105 704 0.2- 1.1+ 110115 160 0.6- 0.8-
101227 C51 0.1+ 0.9- 110105 704 (0.9+ 3.5+) 110115 160 0.0 0.3-
110103 704 0.1+ 0.3+ 110105 046 0.5- 0.6- 110115 160 0.5+ 0.0
110103 704 0.2+ 0.2+ 110105 046 1.4- 1.9- 110116 160 0.5+ 0.4+
110103 704 1.0+ 1.1- 110105 046 0.8+ 0.5- 110116 160 0.2+ 0.0
110103 704 0.6- 0.5- 110105 046 1.2+ 1.4- 110116 160 0.0 0.4-
110103 704 0.9+ 0.2- 110105 046 0.2- 0.3- 110116 A17 0.1- 0.2+
110104 704 0.5- 0.2+ 110105 046 0.6+ 1.8- 110116 A17 0.1+ 0.1-
110104 704 0.5+ 0.6+ 110106 704 0.2+ 0.6+ 110116 A17 0.4- 0.1+
110104 704 0.4+ 1.0+ 110106 704 0.1+ 1.3+ 110117 H21 0.2+ 0.3-
110104 704 0.5- 0.2+ 110106 704 0.2- 0.1- 110117 H21 0.1- 0.2-
110104 704 0.3- 0.7+ 110106 704 0.1- 0.7+ 110117 H21 0.1- 0.1-
110104 704 0.2- 0.0 110106 704 0.1- 0.1- 110121 H21 0.0 0.0
110104 704 0.3- 0.3- 110108 B03 0.2- 0.3- 110121 H21 0.1- 0.1-
110104 704 0.1- 0.2+ 110108 B03 0.9- 0.1- 110121 H21 0.2+ 0.5+
110104 704 0.1- 1.1+ 110108 B03 0.5- 1.0- 110122 H21 0.8+ 0.5+
110104 704 0.1- 0.5+ 110108 B03 0.5- 0.1- 110122 H21 0.6+ 0.2+
110104 703 0.3- 0.3- 110108 H20 0.2- 0.5+ 110122 H21 0.4+ 0.2+
110104 703 0.3- 0.3- 110108 H20 0.3+ 0.6+ 110125 H21 0.1+ 0.2+
110104 703 0.3- 0.1- 110108 H20 0.0 0.9+ 110125 H21 0.1+ 0.3+
110104 703 0.2+ 0.2- 110108 H20 0.4+ 0.7+ 110125 H21 0.2- 0.2+
110104 703 0.4- 0.3+ 110109 H21 0.2+ 0.1- 180610 F51 0.3+ 0.5+
110104 703 0.1+ 0.0 110109 H21 0.3+ 0.0 180610 F51 0.0 0.3-
110104 703 0.1+ 0.4+ 110109 H26 0.2+ 0.1- 180610 F51 0.2- 0.4-
110104 703 0.1- 0.2- 110109 H26 0.1+ 0.2+ 180610 F51 0.1- 0.2-
110104 854 0.4+ 0.5- 110109 H21 0.0 0.0 180617 F51 0.3- 0.2+
110104 854 0.5- 0.3+ 110109 H26 0.2- 0.3- 180617 F51 0.2- 0.2-
110104 300 0.3- 0.8- 110109 H26 0.2+ 0.0 180623 F51 0.1+ 0.2+
110104 300 0.2- 0.3- 110109 H26 0.0 0.1+ 180623 F51 0.2+ 0.0
110104 300 0.3+ 0.1- 110109 H26 0.3+ 0.1+ 180623 F51 0.2+ 0.4-
110104 300 0.0 0.2- 110109 H21 0.0 0.1- 190127 F52 0.1- 0.1-
110104 900 0.6- 0.4+ 110109 H21 0.1- 0.3- 190127 F52 0.1+ 0.1+
110104 900 0.0 0.3- 110109 H21 0.1- 0.1- 190127 F52 0.3+ 0.4-
110104 900 0.2- 0.3+ 110110 I15 0.1- 0.2- 190127 F52 0.1+ 0.1-
110104 900 0.3- 0.3- 110110 I15 0.0 0.2- 190127 J95 0.1+ 0.6+
110105 H21 0.1- 0.8- 110110 I15 0.1+ 0.9- 190127 J95 0.2- 0.0
110105 H21 0.0 0.6- 110111 204 0.2- 0.2+ 190127 J95 0.1+ 0.1+
110105 H21 0.2- 0.9- 110111 204 0.1- 0.0 190127 J95 0.4+ 0.4-
Ephemeris:
2011 AL1 a,e,i = 1.93, 0.50, 37 q = 0.9569
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 28 00 30 24.4 -35 18 23 0.3871 0.9769 77.7 79.6 20.5
...
2019 01 12 01 21 49.0 -00 13 41 0.3476 1.0293 87.6 72.7 20.1
...
2019 01 20 01 47 31.8 +18 14 14 0.3813 1.0681 92.1 67.0 20.2
...
2019 01 26 02 07 05.0 +29 24 04 0.4271 1.1010 94.1 63.1 20.4
2019 01 27 02 10 24.2 +31 00 55 0.4360 1.1068 94.4 62.5 20.4
2019 01 28 02 13 44.9 +32 33 43 0.4453 1.1126 94.6 61.9 20.5
...
2019 02 03 02 34 24.8 +40 32 16 0.5062 1.1490 95.3 58.7 20.7
...
2019 02 11 03 03 58.3 +48 18 26 0.5978 1.2006 95.4 54.9 21.1
...
2019 02 26 04 06 35.7 +56 59 34 0.7853 1.3039 93.8 49.3 21.7
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-B116
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