MPEC 2020-F123 : 2013 AO27
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M.P.E.C. 2020-F123 Issued 2020 March 25, 13:48 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
2013 AO27
Revision to MPEC 2013-A38
Additional Observations:
K13A27O C2020 03 21.56763315 10 57.978-06 40 40.66 19.85GVEF123F52
K13A27O C2020 03 21.57942015 10 59.568-06 40 30.22 19.88GVEF123F52
K13A27O C2020 03 21.59125615 11 01.147-06 40 19.84 19.97GVEF123F52
K13A27O C2020 03 23.81877 15 16 37.26 -06 03 58.1 19.5 RqEF123D29
K13A27O C2020 03 23.83291 15 16 39.43 -06 03 42.7 19.6 RqEF123D29
K13A27O C2020 03 23.84705 15 16 41.63 -06 03 27.6 19.5 RqEF123D29
K13A27O C2020 03 24.02583 15 17 11.36 -06 00 14.7 VEF123246
K13A27O FC2020 03 24.02618 15 17 11.72 -06 00 13.8 VEF123246
K13A27O C2020 03 24.02714 15 17 11.82 -06 00 11.6 VEF123246
K13A27O C2020 03 24.02778 15 17 11.94 -06 00 12.2 VEF123246
K13A27O C2020 03 24.02891 15 17 12.03 -06 00 09.4 19.8 GVEF123246
K13A27O C2020 03 24.02934 15 17 12.03 -06 00 08.6 VEF123246
K13A27O C2020 03 24.03036 15 17 13.16 -06 00 07.4 VEF123246
K13A27O KC2020 03 24.04279515 17 14.22 -05 59 53.7 19.5 GVEF123L01
K13A27O KC2020 03 24.04390 15 17 14.61 -05 59 52.9 19.4 VqEF123I93
K13A27O KC2020 03 24.04477215 17 14.51 -05 59 51.8 19.7 GVEF123L01
K13A27O KC2020 03 24.04674215 17 14.81 -05 59 49.8 19.6 GVEF123L01
K13A27O KC2020 03 24.04948815 17 15.25 -05 59 46.3 19.6 GVEF123L01
K13A27O KC2020 03 24.05196 15 17 15.85 -05 59 43.2 19.2 VqEF123I93
K13A27O KC2020 03 24.05999 15 17 17.15 -05 59 34.6 19.5 VqEF123I93
K13A27O C2020 03 24.06613 15 17 17.89 -05 59 29.4 18.6 VVEF123033
K13A27O C2020 03 24.06699 15 17 18.02 -05 59 28.3 18.8 VVEF123033
K13A27O C2020 03 24.06785 15 17 18.16 -05 59 27.6 18.8 VVEF123033
K13A27O C2020 03 24.16556 15 17 33.76 -05 57 37.2 18.9 VVEF123033
K13A27O C2020 03 24.16614 15 17 33.86 -05 57 37.1 19.5 VVEF123033
K13A27O C2020 03 24.16671 15 17 33.92 -05 57 36.7 19.4 VVEF123033
K13A27O C2020 03 24.44453 15 18 20.77 -05 52 13.0 VEF123I52
K13A27O C2020 03 24.44605 15 18 20.99 -05 52 10.9 VEF123I52
K13A27O C2020 03 24.44757 15 18 21.25 -05 52 09.3 VEF123I52
K13A27O C2020 03 24.44898 15 18 21.50 -05 52 08.0 VEF123I52
K13A27O KC2020 03 24.99138 15 19 55.64 -05 41 23.3 19.6 VtEF123198
K13A27O KC2020 03 24.99439 15 19 56.13 -05 41 19.1 19.9 VtEF123198
K13A27O KC2020 03 24.99724 15 19 56.63 -05 41 16.8 19.6 VtEF123198
K13A27O KC2020 03 25.00301 15 19 57.57 -05 41 08.9 19.7 VtEF123198
K13A27O C2020 03 25.00368 15 19 57.61 -05 41 07.4 VEF123246
K13A27O C2020 03 25.00403 15 19 57.71 -05 41 07.4 VEF123246
K13A27O C2020 03 25.00451 15 19 57.79 -05 41 06.7 VEF123246
K13A27O C2020 03 25.00495 15 19 57.90 -05 41 06.8 20 GVEF123246
K13A27O C2020 03 25.00520 15 19 57.93 -05 41 06.1 VEF123246
K13A27O C2020 03 25.04479 15 20 04.67 -05 40 17.8 19.7 VVEF123033
K13A27O C2020 03 25.04536 15 20 04.78 -05 40 17.7 20.3 VVEF123033
K13A27O C2020 03 25.04594 15 20 04.88 -05 40 16.0 19.9 VVEF123033
K13A27O KC2020 03 25.10589 15 20 15.20 -05 39 01.9 20.5 GVEF123K87
K13A27O KC2020 03 25.11052 15 20 15.97 -05 38 55.7 20.2 GVEF123K87
K13A27O KC2020 03 25.11515 15 20 16.75 -05 38 49.7 20.1 GVEF123K87
K13A27O C2020 03 25.15622 15 20 23.75 -05 37 59.1 20.1 VVEF123033
K13A27O C2020 03 25.15679 15 20 23.84 -05 37 58.3 20.0 VVEF123033
K13A27O C2020 03 25.15736 15 20 23.96 -05 37 57.5 19.8 VVEF123033
K13A27O KC2020 03 25.33010 15 20 55.20 -05 33 50.3 19.3 VqEF123I47
K13A27O KC2020 03 25.33398 15 20 55.86 -05 33 45.0 19.2 VqEF123I47
K13A27O KC2020 03 25.34253 15 20 57.32 -05 33 33.9 19.5 VqEF123I47
K13A27O KC2020 03 25.34953 15 20 58.54 -05 33 25.0 19.6 VqEF123I47
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers F. Ludwig, S.
Melnikov, B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
198 Wildberg. Observer R. Apitzsch. 0.35-m f/3.1 reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m f/2.7 reflector + 2048x2048 CCD.
D29 Purple Mountain Observatory, XuYi Station. Observers H. B. Zhao, B. Li, G.
Zhaori, R. Q. Hong, L. F. Hu. Measurers H. B. Zhao, B. Li, H. Lu, G.
Zhaori. 1.04-m f/1.8 Schmidt + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
I47 Pierre Auger Observatory, Malargue. Observer M. Masek. 0.3-m f/6.8
reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer D. Rankin. Measurers E.
J. Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.0-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K87 Dettelbach Vineyard Observatory. Observer B. Haeusler. 0.3-m f/5.7
Schmidt-Cassegrain + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 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
200321 F52 7.51- 1.60- 200325 I47 9.42- 1.80- MPO254828 -3.70 days
Orbital elements:
2013 AO27 Earth MOID = 0.0582 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Veres
M 1.96687 (2000.0) P Q
n 0.26319348 Peri. 189.49288 +0.84934923 +0.52538458
a 2.4114928 Node 138.68308 -0.47909185 +0.80771201
e 0.8787979 Incl. 4.40972 -0.22153304 +0.26753008
P 3.74 H 19.8 G 0.15 U 3
Residuals in seconds of arc
130105 703 1.1- 0.6+ 130107 H21 0.2+ 0.4+ 200321 F52 0.0 0.0
130105 703 0.1- 0.7- 130107 H36 0.1+ 0.1- 200323 D29 0.2+ 0.2+
130105 703 0.7- 0.6- 130107 H36 1.0+ 0.4+ 200323 D29 0.0 0.2+
130105 703 0.1+ 0.9+ 130107 H36 0.3+ 0.2- 200323 D29 0.1+ 0.2-
130105 H01 0.0 0.0 130107 G96 0.4+ 0.0 200324 246 (1.6- 1.0-)
130105 H01 0.0 0.1+ 130107 H36 1.0+ 0.3+ 200324 246 (2.9+ 0.4-)
130105 703 0.6- 1.2- 130107 G96 0.3+ 0.1+ 200324 246 (2.1+ 0.7+)
130105 H01 0.2- 0.0 130107 G96 0.1- 0.1+ 200324 246 (2.4+ 0.6-)
130105 703 0.2+ 0.9+ 130107 G96 0.3- 0.2+ 200324 246 1.1+ 0.9+
130105 703 0.2- 0.2+ 130107 G96 0.3+ 0.2- 200324 246 0.1+ 1.2+
130105 703 0.3+ 0.7+ 130107 G96 0.3- 0.1+ 200324 246(14.5+ 1.3+)
130105 H01 0.1+ 0.3+ 130107 G96 0.2- 0.0 200324 L01 0.4+ 0.4+
130105 900 (2.0+ 1.5-) 130108 G96 0.2+ 0.1+ 200324 I93 0.3+ 0.4-
130105 900 0.0 0.1- 130108 G96 0.2- 0.0 200324 L01 0.1+ 0.1+
130105 900 0.9- 0.3- 130108 G96 0.0 0.2- 200324 L01 0.1- 0.1-
130105 461 0.4- 0.4- 130108 G96 0.1+ 0.2+ 200324 L01 0.0 0.3+
130105 461 0.1- 0.3+ 130109 704 0.5+ 0.6+ 200324 I93 0.3- 0.4+
130105 461 0.1+ 0.2+ 130109 704 0.1+ 0.4+ 200324 I93 0.1+ 0.0
130105 461 0.3+ 0.2- 130109 704 0.7- 1.0+ 200324 033 0.2- 0.1-
130105 157 0.6- 1.0- 130109 704 0.7+ 1.1+ 200324 033 0.3- 0.0
130105 157 0.4- 0.4- 130109 704 0.2+ 0.2- 200324 033 0.2- 0.3-
130105 J87 0.2+ 0.0 130110 704 0.5- 0.9+ 200324 033 0.2- 0.1+
130105 J87 0.1+ 0.1- 130110 704 0.9+ 0.2+ 200324 033 0.1- 0.4-
130105 J87 0.1+ 0.4- 130110 704 1.0+ 0.4- 200324 033 0.6- 0.7-
130105 104 0.2+ 0.3- 130110 704 0.5+ 1.2+ 200324 I52 0.2+ 0.0
130105 J87 0.4- 0.2+ 130110 291 0.4- 0.0 200324 I52 0.2- 0.3+
130105 104 0.2+ 0.2- 130110 291 0.3- 0.0 200324 I52 0.0 0.1+
130105 104 0.1+ 0.1- 130110 291 0.3- 0.3+ 200324 I52 0.4+ 0.2-
130105 204 0.5+ 0.2- 130112 807 0.3- 0.4- 200324 198 0.3+ 0.6-
130105 204 0.4+ 0.2- 130112 807 0.1+ 0.2- 200324 198 0.1- 0.1-
130105 204 0.2+ 0.1- 130112 807 0.1- 0.3+ 200324 198 0.1+ 1.3-
130106 I19 0.7+ 0.2- 130112 807 0.0 0.3- 200325 198 0.6- 0.4-
130106 I19 0.7+ 0.3+ 130112 807 0.2+ 0.5- 200325 246 0.6- 0.4+
130106 I19 0.4+ 0.1+ 130115 H21 0.1- 0.2- 200325 246 0.0 0.0
130106 807 0.4+ 0.6- 130115 H21 0.3- 0.2- 200325 246 0.0 0.1+
130106 807 0.5+ 0.5- 130115 H21 0.2+ 0.2- 200325 246 0.5+ 0.6-
130106 807 0.3+ 0.2- 130118 H21 0.1+ 0.1+ 200325 246 0.3+ 0.2-
130106 H01 0.5- 0.0 130118 H21 0.0 0.2+ 200325 033 0.3- 0.2-
130106 H01 0.5- 0.1+ 130118 H21 0.0 0.1- 200325 033 0.1- 0.8-
130106 H01 0.7- 0.1- 130118 H21 0.0 0.1- 200325 033 0.1- 0.2+
130106 704 0.1+ 0.4- 130118 H21 0.2- 0.2- 200325 K87 0.6+ 0.2-
130106 H01 0.1- 0.1+ 130120 711 1.0- 0.7+ 200325 K87 0.2+ 0.2+
130106 704 1.0+ 0.4- 130120 711 0.1- 0.4- 200325 K87 0.0 0.4+
130106 704 0.8- 0.2- 130120 711 0.6- 0.2+ 200325 033 0.5- 0.1-
130106 704 (2.3+ 0.2-) 130120 711 0.6- 0.5+ 200325 033 0.6- 0.0
130106 651 0.3+ 0.1- 130201 291 0.4- 0.1+ 200325 033 0.3- 0.1+
130106 651 0.3- 0.7- 130201 291 0.3- 0.0 200325 I47 0.2+ 0.1-
130106 651 0.9- 0.1+ 130201 291 0.2- 0.1+ 200325 I47 0.1+ 0.2+
130107 H21 0.1- 0.0 200321 F52 0.2- 0.0 200325 I47 0.1- 0.4+
130107 H21 0.2- 0.1+ 200321 F52 0.0 0.1+ 200325 I47 0.0 0.4+
Ephemeris:
2013 AO27 a,e,i = 2.41, 0.88, 4 q = 0.2923
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2020 02 24 14 29 26.7 -08 58 12 1.0448 1.7300 116.5 30.8 22.4
...
2020 03 10 14 49 39.6 -08 24 30 0.7121 1.5292 126.7 31.4 21.3
...
2020 03 18 15 03 19.5 -07 24 54 0.5439 1.4148 131.3 31.9 20.6
...
2020 03 24 15 17 06.7 -06 00 27 0.4225 1.3253 133.9 32.9 19.9
2020 03 25 15 19 56.4 -05 40 56 0.4028 1.3100 134.1 33.1 19.8
2020 03 26 15 22 58.9 -05 19 18 0.3831 1.2946 134.3 33.5 19.7
...
2020 04 01 15 48 19.4 -02 02 06 0.2689 1.2003 133.5 37.2 18.8
...
2020 04 09 17 18 27.1 +10 24 07 0.1362 1.0682 115.9 57.5 17.7
...
2020 04 24 00 54 55.0 +22 44 49 0.2247 0.7980 19.8 154.8 25.5
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-F123
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