MPEC 2011-K31 : 2008 AS28
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M.P.E.C. 2011-K31 Issued 2011 May 26, 21:46 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2008 AS28
Revision to MPEC 2008-A53
Additional Observations:
K08A28S C2011 05 26.32583 15 22 31.33 +26 10 45.7 18.9 VrEK031703
K08A28S C2011 05 26.33506 15 22 28.48 +26 11 06.3 18.8 VrEK031703
K08A28S C2011 05 26.34432 15 22 25.71 +26 11 26.0 18.8 VrEK031703
K08A28S C2011 05 26.35360 15 22 22.87 +26 11 45.4 18.7 VrEK031703
K08A28S C2011 05 26.39396 15 22 10.56 +26 13 11.1 18.6 VrEK031703
K08A28S C2011 05 26.39442 15 22 10.44 +26 13 12.1 18.9 VrEK031703
K08A28S C2011 05 26.39488 15 22 10.33 +26 13 12.8 18.4 VrEK031703
K08A28S C2011 05 26.44358 15 21 55.54 +26 14 55.7 19.0 VrEK031703
K08A28S C2011 05 26.44488 15 21 55.22 +26 14 58.8 19.2 VrEK031703
K08A28S C2011 05 26.44617 15 21 54.79 +26 15 01.7 19.0 VrEK031703
K08A28S C2011 05 26.44747 15 21 54.39 +26 15 04.4 18.8 VrEK031703
K08A28S KC2011 05 26.86754 15 19 50.37 +26 30 20.2 18.5 RrEK031104
K08A28S KC2011 05 26.87101 15 19 49.26 +26 30 28.0 18.5 RrEK031104
K08A28S KC2011 05 26.87449 15 19 48.17 +26 30 35.6 18.4 RrEK031104
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, P. Bacci, G. Fagioli.
Measurer P. Bacci. 0.60-m f/4 reflector + CCD.
703 Catalina Sky Survey. Observer A. R. Gibbs. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, P. Tricarico,
A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught.
0.68-m Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or integer in degrees), reference and Delta-T
110526 703 11+ 2+ 110526 104 11+ 2+ MPO133566 -7.9 day
Orbital elements:
2008 AS28 Earth MOID = 0.0680 AU
Epoch 2011 Aug. 27.0 TT = JDT 2455800.5 MPC
M 7.80482 (2000.0) P Q
n 0.26099979 Peri. 248.23226 +0.84849891 +0.40593754
a 2.4249862 Node 86.42641 -0.26386178 +0.88064052
e 0.7313325 Incl. 19.88707 -0.45872275 +0.24430920
P 3.78 H 19.5 G 0.15 U 3
Residuals in seconds of arc
080110 G96 0.5+ 0.0 080112 G96 0.8- 1.0+ 080125 H55 1.2- 0.9-
080110 G96 0.4- 0.2+ 080112 G96 0.4+ 0.2+ 080125 H55 1.8- 0.5+
080110 G96 0.9- 0.1+ 080112 G96 0.4+ 0.4+ 110526 703 0.1- 0.5-
080110 G96 0.2- 0.4+ 080112 G96 0.3- 0.1+ 110526 703 0.6- 0.3+
080110 G96 0.3+ 0.2+ 080113 291 0.3+ 0.5+ 110526 703 0.1+ 0.3+
080110 G96 0.3- 0.1- 080113 291 0.0 0.7+ 110526 703 0.1- 0.1-
080110 G96 0.0 0.6+ 080113 291 0.6- 0.1+ 110526 703 0.5- 0.1-
080110 G96 0.4+ 0.1- 080114 291 0.1- 0.3- 110526 703 0.2- 0.0
080111 G96 0.3+ 0.1- 080114 291 0.7- 0.2- 110526 703 0.2+ 0.3-
080111 G96 0.0 0.0 080114 291 0.1+ 0.0 110526 703 0.3- 0.2-
080111 G96 0.2- 0.2+ 080115 291 1.6+ 0.1+ 110526 703 0.7+ 0.2+
080111 G96 0.2+ 0.0 080115 291 0.1+ 1.3+ 110526 703 0.1+ 0.4+
080111 734 (2.9- 0.4-) 080115 291 1.2+ 0.1- 110526 703 0.0 0.3+
080111 291 0.4- 0.5- 080116 H55 0.1+ 0.3- 110526 104 0.3+ 0.1-
080111 291 0.5- 1.2- 080116 H55 0.2- 0.7+ 110526 104 0.1+ 0.0
080111 734 0.5+ 0.8+ 080116 H55 (2.5- 2.3+) 110526 104 0.3+ 0.1-
080111 291 0.4- 0.4- 080125 H55 0.1- 1.4-
080111 734 1.8+ 1.2- 080125 H55 0.1- 0.7-
Ephemeris:
2008 AS28 a,e,i = 2.42, 0.73, 20 q = 0.6515
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 04 26 16 20 34.2 +13 12 37 0.6599 1.5630 138.6 25.2 20.7
...
2011 05 11 16 07 02.2 +18 33 59 0.4567 1.3950 141.1 27.0 19.7
...
2011 05 19 15 49 54.3 +22 10 47 0.3607 1.3027 138.2 31.2 19.2
...
2011 05 25 15 28 41.1 +25 23 50 0.2945 1.2324 132.9 37.0 18.8
2011 05 26 15 24 06.5 +25 59 07 0.2840 1.2206 131.8 38.2 18.7
2011 05 27 15 19 09.1 +26 35 20 0.2737 1.2088 130.5 39.6 18.7
...
2011 06 02 14 38 48.7 +30 31 20 0.2158 1.1379 120.1 50.4 18.3
...
2011 06 10 12 55 43.0 +35 15 21 0.1549 1.0433 96.2 75.3 18.2
...
2011 06 25 08 01 41.1 +16 58 36 0.1646 0.8719 26.3 148.9 23.5
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-K31
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