MPEC 2016-N23 : 2012 AT22
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M.P.E.C. 2016-N23 Issued 2016 July 5, 11:51 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
2012 AT22
Revision to MPEC 2012-C26
Additional Observations:
K12A22T KC2016 07 04.17946 01 27 56.20 +02 20 46.7 21.5 RtEN023J04
K12A22T KC2016 07 04.18775 01 27 57.49 +02 21 16.6 21.6 RtEN023J04
K12A22T KC2016 07 04.19604 01 27 58.81 +02 21 46.0 21.3 RtEN023J04
K12A22T KC2016 07 05.17410701 30 36.638+03 20 05.11 21.6 RqEN023J04
K12A22T KC2016 07 05.18239901 30 37.958+03 20 35.21 21.9 RqEN023J04
K12A22T KC2016 07 05.19069101 30 39.256+03 21 05.17 21.6 RqEN023J04
Observer details:
J04 ESA Optical Ground Station, Tenerife. Observer D. Abreu. Measurers
E. Schwab, M. Micheli, D. Koschny, M. Busch, A. Knoefel. 1.0-m f/4.4
reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
160704 J04 0.02- 0.04- 160705 J04 0.02- 0.04- MPO227509 +0.044 day
Orbital elements:
2012 AT22 Earth MOID = 0.0659 AU
Epoch 2016 July 31.0 TT = JDT 2457600.5 MPC
M 315.04082 (2000.0) P Q
n 0.79767634 Peri. 76.54692 +0.71182984 -0.64394545
a 1.1514672 Node 322.36179 +0.31970968 +0.65256799
e 0.1596190 Incl. 27.33483 +0.62536709 +0.39936109
P 1.24 H 20.3 G 0.15 U 3
Residuals in seconds of arc
120110 G96 0.3+ 0.2- 120203 807 0.0 0.0 120214 807 0.0 0.0
120110 G96 0.3+ 0.3+ 120203 807 0.3- 0.0 120214 807 0.1- 0.1+
120110 G96 0.1- 0.0 120203 807 0.1+ 0.3- 120214 807 0.1+ 0.0
120110 G96 1.0- 0.2+ 120203 D90 0.2+ 0.1+ 120214 807 0.1- 0.1+
120202 703 1.0- 0.5+ 120203 D90 0.8- 0.1- 120221 204 0.3- 0.1-
120202 703 0.1+ 1.4- 120203 D90 0.2- 0.0 120222 204 0.3- 0.1-
120202 703 0.9+ 0.0 120203 D90 0.1- 0.3- 120222 807 0.0 0.0
120202 703 1.1- 0.4+ 120204 C32 0.5+ 0.2- 120222 807 0.0 0.1+
120202 703 0.7- 1.4+ 120204 C32 0.4+ 0.6- 120222 807 0.1- 0.0
120202 703 0.5- 0.4- 120204 C32 0.2+ 0.9- 120222 807 0.0 0.1-
120202 703 0.5- 0.3+ 120204 I19 1.1+ 0.3+ 120222 807 0.2+ 0.0
120202 703 1.5- 0.4- 120204 I19 0.1+ 0.3- 120222 807 0.2+ 0.0
120202 703 0.1- 0.1+ 120204 I19 0.6+ 0.2- 120303 807 0.0 0.1-
120202 703 0.3- 0.5- 120205 807 0.1- 0.5- 120303 807 0.1- 0.2-
120202 703 0.3- 0.2- 120205 807 0.1+ 0.1- 120303 807 0.0 0.0
120202 703 1.1- 0.7+ 120205 807 0.0 0.1- 120307 807 0.4- 0.3+
120202 300 0.8+ 0.2+ 120205 807 0.1- 0.2- 120307 807 0.1- 0.3+
120202 300 0.1- 0.3- 120205 807 0.1+ 0.3- 120307 807 0.1- 0.2+
120202 300 1.3+ 0.3- 120205 695 0.1+ 0.4+ 160704 J04 0.2+ 0.1-
120202 300 0.5- 0.7+ 120205 695 0.3+ 0.6+ 160704 J04 0.0 0.3+
120202 300 0.1+ 0.7- 120207 204 0.0 0.4+ 160704 J04 0.3+ 0.2+
120203 J95 0.4+ 0.5+ 120207 204 0.5- 0.1+ 160705 J04 0.2- 0.3-
120203 J95 0.3+ 0.0 120214 807 0.0 0.1+ 160705 J04 0.2- 0.1-
120203 J95 0.1+ 0.3- 120214 807 0.1+ 0.2+ 160705 J04 0.4- 0.0
120203 807 0.1- 0.1- 120214 807 0.0 0.0
Ephemeris:
2012 AT22 a,e,i = 1.15, 0.16, 27 q = 0.9677
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2016 06 05 00 15 23.3 -20 55 04 0.7935 1.1792 80.4 58.0 22.2
...
2016 06 20 00 51 53.3 -10 16 41 0.6942 1.1412 81.3 61.7 22.0
...
2016 06 28 01 11 49.2 -03 29 24 0.6462 1.1205 81.4 63.8 21.9
...
2016 07 04 01 27 26.6 +02 10 14 0.6138 1.1050 81.3 65.4 21.8
2016 07 05 01 30 07.6 +03 09 43 0.6088 1.1024 81.2 65.7 21.8
2016 07 06 01 32 50.3 +04 10 00 0.6040 1.0998 81.2 66.0 21.7
...
2016 07 12 01 49 46.8 +10 28 01 0.5777 1.0845 80.6 67.7 21.7
...
2016 07 20 02 14 49.2 +19 28 21 0.5516 1.0646 79.5 69.8 21.6
...
2016 08 04 03 14 19.9 +36 49 14 0.5355 1.0300 76.4 73.2 21.6
A. U. Tomatic (C) Copyright 2016 MPC M.P.E.C. 2016-N23
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