[Iaude] MPEC B49: 1997 AC11 [a=0.91,e=0.37,i=31.7,H=20.5]
mpec at si.edu
mpec at si.edu
Mon Jan 23 17:29:42 EST 2017
M.P.E.C. 2017-B49 Issued 2017 Jan. 23, 22:26 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 http://www.minorplanetcenter.net/ ISSN 1523-6714
1997 AC11
Revision to MPEC 1997-B07
Additional Observations:
J97A11C C2017 01 23.09994 03 59 40.15 +01 43 15.9 20.0 RoEB049926
J97A11C C2017 01 23.10565 03 59 39.15 +01 43 42.0 20.0 RoEB049926
J97A11C C2017 01 23.11135 03 59 38.17 +01 44 08.0 19.9 RoEB049926
J97A11C KC2017 01 23.16291 03 59 29.39 +01 48 04.7 oEB049691
J97A11C KC2017 01 23.16495 03 59 29.06 +01 48 13.3 oEB049691
J97A11C KC2017 01 23.16697 03 59 28.75 +01 48 22.6 oEB049691
J97A11C KC2017 01 23.44205 03 58 44.25 +02 09 50.5 tEB049474
J97A11C KC2017 01 23.44677 03 58 43.41 +02 10 12.2 19.9 RtEB049474
J97A11C KC2017 01 23.45148 03 58 42.66 +02 10 33.6 20.0 RtEB049474
J97A11C KC2017 01 23.45621 03 58 41.86 +02 10 55.4 19.8 RtEB049474
J97A11C KC2017 01 23.73420 03 57 58.73 +02 31 26.8 19.3 RoEB049K88
J97A11C KC2017 01 23.74243 03 57 57.39 +02 32 04.3 19.5 RoEB049K88
J97A11C FC2017 01 23.77030 03 57 52.99 +02 34 11.0 qEB049246
J97A11C FC2017 01 23.77105 03 57 52.77 +02 34 13.2 qEB049246
J97A11C FC2017 01 23.77175 03 57 52.61 +02 34 17.3 qEB049246
J97A11C FC2017 01 23.77192 03 57 52.60 +02 34 18.8 qEB049246
J97A11C KC2017 01 23.85457 03 57 39.37 +02 40 34.5 20.5 VqEB049I93
J97A11C KC2017 01 23.86723 03 57 37.27 +02 41 32.1 19.6 VqEB049I93
Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer M. T. Read. 0.9-m f/3 reflector
+ CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m 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
170123 926 1.26- 1.38- 170123 I93 1.18- 1.42- MPO 70213 +1.8 day
Orbital elements:
1997 AC11 Earth MOID = 0.1035 AU
Epoch 2017 Feb. 16.0 TT = JDT 2457800.5 MPC
M 261.05321 (2000.0) P Q
n 1.12933555 Peri. 141.56108 -0.11659280 +0.87582927
a 0.9132452 Node 116.94672 -0.99046136 -0.06767066
e 0.3680256 Incl. 31.69287 -0.07343304 -0.47785329
P 0.87 H 20.5 G 0.15 U 4
Residuals in seconds of arc
970110 566 0.1- 0.5- 970114 658 0.2- 0.3- 970117 046 0.1- 0.0
970110 566 0.1+ 0.5- 970114 658 0.9- 0.2- 970117 046 0.3- 0.5-
970110 566 0.8- 0.7- 970114 658 0.3- 0.2- 970117 046 0.2- 0.4-
970111 566 0.6- 0.1- 970114 658 0.2- 0.8- 970117 473 0.1- 0.2+
970111 566 0.3+ 0.1+ 970114 658 0.4- 0.4- 970117 473 0.5- 0.1-
970111 566 0.2+ 0.1+ 970114 658 0.2- 0.2- 970117 473 1.9+ 0.3+
970111 566 0.2+ 0.4+ 970114 658 0.2- 0.6- 970118 046 1.1+ 0.3+
970111 566 0.1+ 0.1- 970114 566 0.9+ 1.5+ 970118 046 0.7+ 0.5+
970111 566 0.0 0.2+ 970114 599 (2.2+ 7.1+) 970118 046 0.9+ 0.3+
970111 566 0.3- 0.0 970114 599 1.1- 1.2- 970118 355 (1.4+ 3.5-)
970111 566 0.0 0.2+ 970114 599 1.2- 0.8+ 970118 355 (0.8+ 3.4-)
970111 566 0.2- 0.3+ 970114 599 1.3- 1.3+ 970118 360 0.4+ 0.4-
970112 566 0.5- 0.4- 970114 599 (0.8- 2.4+) 970118 360 0.4+ 0.2+
970112 566 0.2+ 0.4+ 970114 599 1.5- 0.9+ 970118 360 0.2+ 0.5-
970112 566 0.4+ 0.2+ 970114 587 0.1- 0.9+ 970119 360 0.4+ 0.5-
970112 402 0.9+ 0.3- 970114 587 0.1- 0.3+ 970119 360 0.4+ 0.4-
970112 402 0.8+ 0.0 970114 587 0.5- 0.3- 970119 360 0.4+ 0.5-
970112 402 0.7+ 0.8- 970115 473 0.8- 0.4+ 970120 402 0.5+ 0.0
970112 566 0.3+ 0.2- 970115 473 (0.3- 2.5-) 970120 402 0.5+ 0.1+
970112 566 0.3+ 0.6+ 970115 118 0.8- 0.2- 970120 402 0.2+ 0.2+
970112 566 0.4+ 0.3+ 970115 118 0.0 0.2- 970120 402 0.2+ 0.2-
970112 046 0.5+ 0.5+ 970115 118 0.2+ 0.3- 970120 402 0.5+ 0.6-
970112 046 0.2+ 1.0- 970115 046 0.2+ 0.6- 970124 658 0.5- 0.2+
970112 046 0.5+ 0.8+ 970115 046 0.1- 0.2- 970124 658 0.4+ 0.5+
970112 046 0.9+ 1.8- 970115 046 0.2- 0.1- 970124 658 0.4- 0.6-
970113 566 0.1+ 0.7+ 970115 566 0.0 0.1+ 970127 118 0.3- 1.5+
970113 566 0.3+ 0.2+ 970115 566 0.1- 0.1+ 970127 118 0.2- 0.2+
970113 566 0.3+ 0.1+ 970115 566 0.4- 0.2+ 970127 118 0.1- 0.4+
970113 360 0.0 0.2+ 970115 402 0.4- 0.6- 970127 118 0.3- 0.3+
970113 360 0.0 0.6+ 970115 402 0.6- 1.0+ 170123 926 0.1+ 0.1+
970113 360 0.2- 0.3+ 970115 402 0.1+ 0.1+ 170123 926 0.3- 0.0
970113 587 0.3- 0.3- 970115 402 0.6- 0.9- 170123 926 0.4- 0.1-
970113 587 0.1+ 0.5+ 970115 402 0.5- 0.1+ 170123 691 0.4- 0.5+
970113 587 0.4+ 0.3- 970115 402 1.6- 1.1- 170123 691 0.1- 0.2-
970114 557 0.2+ 0.1+ 970115 566 0.5- 0.0 170123 691 0.4+ 0.2-
970114 557 0.2+ 0.2+ 970115 566 0.1- 0.2+ 170123 474 0.9+ 0.6-
970114 557 0.2+ 0.0 970115 566 0.3- 0.2+ 170123 474 0.0 0.4-
970114 557 0.1- 0.0 970115 108 0.3- 0.1+ 170123 474 0.5+ 0.5-
970114 046 0.2+ 0.3+ 970115 108 0.2+ 1.6+ 170123 474 0.2+ 0.3-
970114 046 0.2+ 0.3- 970116 046 0.1+ 0.2+ 170123 K88 0.3- 0.3+
970114 046 0.1- 0.1+ 970116 046 0.0 0.2+ 170123 K88 0.0 0.3+
970114 046 0.2+ 0.5+ 970116 046 0.5+ 0.3+ 170123 246 1.1+ 0.6+
970114 557 0.1+ 0.1+ 970116 402 0.7+ 0.5- 170123 246 0.3- 0.6-
970114 557 0.0 0.3- 970116 402 0.7+ 1.0- 170123 246 1.0- 0.3+
970114 557 0.2+ 0.1+ 970116 402 0.8+ 1.2- 170123 246 0.7- 1.0+
970114 566 0.2+ 0.9+ 970116 587 0.1+ 0.2- 170123 I93 0.3+ 0.1-
970114 566 0.1- 0.8+ 970116 587 0.4- 0.4- 170123 I93 0.0 0.0
Ephemeris:
1997 AC11 a,e,i = 0.91, 0.37, 32 q = 0.5771
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 12 24 06 04 18.1 -31 43 32 0.3771 1.2383 124.8 40.7 20.4
...
2017 01 08 04 53 23.5 -17 53 32 0.3325 1.2118 126.7 40.6 20.1
...
2017 01 16 04 21 42.9 -07 35 07 0.3337 1.1912 121.2 44.9 20.2
...
2017 01 22 04 02 42.1 +00 18 50 0.3459 1.1729 115.0 49.5 20.4
2017 01 23 03 59 56.2 +01 35 46 0.3488 1.1695 113.8 50.3 20.4
2017 01 24 03 57 17.0 +02 51 47 0.3518 1.1662 112.7 51.2 20.5
...
2017 01 30 03 43 35.6 +10 04 34 0.3739 1.1444 105.7 56.0 20.7
...
2017 02 07 03 30 29.8 +18 30 31 0.4104 1.1115 96.7 61.8 21.0
...
2017 02 22 03 16 28.9 +31 01 09 0.4846 1.0378 81.8 70.6 21.5
A. U. Tomatic (C) Copyright 2017 MPC M.P.E.C. 2017-B49
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