[Iaude] MPEC Y32: 2015 AA246 [a=2.40,e=0.61,i=11.8,H=19.5]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Dec 18 20:47:16 EST 2018
M.P.E.C. 2018-Y32 Issued 2018 Dec. 19, 01:45 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
2015 AA246
Revision to MPEC 2015-B55
Additional Observations:
K15AO6A C2018 12 14.49545 12 35 48.14 +02 26 43.6 20.2 GVEY032G96
K15AO6A C2018 12 14.50111 12 35 49.92 +02 26 37.4 20.9 GVEY032G96
K15AO6A C2018 12 14.50675 12 35 51.79 +02 26 30.9 21.1 GVEY032G96
K15AO6A C2018 12 14.51240 12 35 53.49 +02 26 24.5 21.5 GVEY032G96
K15AO6A pC2018 12 15.15749712 39 20.61 +02 13 54.2 21.6 GVEY032L01
K15AO6A pC2018 12 15.16769412 39 23.82 +02 13 42.4 21.7 GVEY032L01
K15AO6A pC2018 12 15.17114512 39 24.95 +02 13 38.6 21.5 GVEY032L01
K15AO6A pC2018 12 15.17545712 39 26.34 +02 13 33.4 21.6 GVEY032L01
K15AO6A pC2018 12 15.18960512 39 30.85 +02 13 17.3 21.4 GVEY032L01
K15AO6A pC2018 12 15.19327612 39 32.00 +02 13 13.1 21.6 GVEY032L01
K15AO6A pC2018 12 15.19738112 39 33.33 +02 13 08.8 21.7 GVEY032L01
K15AO6A C2018 12 16.51760 12 46 40.02 +01 47 29.8 21.0 GVEY032V06
K15AO6A C2018 12 16.51842 12 46 40.27 +01 47 28.9 21.3 GVEY032I52
K15AO6A C2018 12 16.52419 12 46 42.11 +01 47 22.1 21.2 GVEY032V06
K15AO6A C2018 12 16.53064 12 46 44.21 +01 47 14.0 21.3 GVEY032I52
K15AO6A C2018 12 16.53078 12 46 44.24 +01 47 14.7 21.4 GVEY032V06
K15AO6A C2018 12 16.53674 12 46 46.16 +01 47 07.6 21.3 GVEY032I52
K15AO6A C2018 12 16.53738 12 46 46.35 +01 47 06.8 21.5 GVEY032V06
Observer details:
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers B. M. Africano,
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, R. L. Seaman,
F. C. Shelly. 1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer H. Groeller.
Measurers B. M. Africano, 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, R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
V06 Catalina Sky Survey-Kuiper. Observer H. Groeller. Measurers
B. M. Africano, 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,
R. L. Seaman, F. C. Shelly. 1.55-m 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
181214 G96 0.05- 0.02+ 181216 V06 0.05- 0.02+ MPO343827 +0.048 day
Orbital elements:
2015 AA246 Earth MOID = 0.1356 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 23.00371 (2000.0) P Q
n 0.26477529 Peri. 78.37703 -0.97435584 +0.11405795
a 2.4018788 Node 107.94014 -0.17457264 -0.92705393
e 0.6075000 Incl. 11.76366 +0.14196864 -0.35715795
P 3.72 H 19.5 G 0.15 U 1
Residuals in seconds of arc
150115 F51 0.2- 0.0 150118 291 0.3- 0.2+ 150616 568 0.0 0.0
150115 F51 0.0 0.1+ 150118 291 0.4- 0.3+ 150620 291 0.5+ 0.8+
150115 F51 0.2+ 0.2+ 150119 291 0.7- 0.1+ 150620 291 0.1+ 0.4+
150115 F51 0.0 0.1+ 150119 291 0.5- 0.0 150620 291 0.1+ 0.3+
150116 H01 0.1+ 0.1+ 150119 291 0.2- 0.1+ 181214 G96 0.1- 0.3-
150116 H01 0.1+ 0.3- 150218 291 0.1- 0.2+ 181214 G96 0.3- 0.0
150116 H01 0.0 0.1- 150218 291 0.1- 0.1- 181214 G96 0.9+ 0.0
150116 H01 0.0 0.1+ 150218 291 0.1- 0.4+ 181214 G96 0.5- 0.2+
150116 568 0.1+ 0.1- 150320 568 0.1+ 0.0 181215 L01 0.0 0.5-
150116 568 0.1+ 0.0 150320 568 0.0 0.0 181215 L01 0.6- 0.5-
150117 H21 0.2+ 0.0 150329 291 0.0 0.6- 181215 L01 0.2- 0.3-
150117 H21 0.1- 0.2+ 150329 291 0.3- 0.0 181215 L01 0.0 0.5-
150117 H21 0.2- 0.1+ 150415 291 0.5+ 0.2- 181215 L01 0.1- 0.1-
150117 H01 0.1+ 0.0 150415 291 0.4+ 0.4- 181215 L01 0.4- 0.1-
150117 H01 0.0 0.0 150415 291 0.9+ 0.1- 181215 L01 0.1- 0.4+
150117 H01 0.0 0.1- 150508 926 0.4- 0.1+ 181216 V06 0.3+ 0.2-
150117 H01 0.1- 0.0 150508 926 0.3- 0.2+ 181216 I52 0.0 0.1-
150117 F51 0.0 0.0 150508 926 0.6- 0.1+ 181216 V06 0.1- 0.2-
150117 F51 0.1+ 0.1+ 150530 926 0.1+ 0.5+ 181216 I52 0.3+ 0.7-
150117 F51 0.0 0.3+ 150530 926 0.5- 0.7+ 181216 V06 0.1+ 0.1+
150117 F51 0.2+ 0.2+ 150530 926 1.0- 0.5- 181216 I52 0.1+ 0.0
150118 291 0.0 0.3+ 150616 568 0.0 0.0 181216 V06 0.1- 0.1-
Ephemeris:
2015 AA246 a,e,i = 2.40, 0.61, 12 q = 0.9427
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 11 19 10 33 59.9 +09 28 56 1.0825 1.3295 79.7 47.0 22.1
...
2018 12 04 11 41 57.5 +05 39 24 0.9365 1.2092 77.9 52.9 21.7
...
2018 12 12 12 22 34.9 +03 14 29 0.8816 1.1493 75.8 56.2 21.6
...
2018 12 18 12 54 42.2 +01 18 34 0.8524 1.1073 73.8 58.6 21.5
2018 12 19 13 00 10.1 +00 58 53 0.8485 1.1006 73.4 59.0 21.5
2018 12 20 13 05 39.4 +00 39 08 0.8450 1.0940 73.0 59.3 21.5
...
2018 12 26 13 39 00.7 -01 19 44 0.8302 1.0565 70.7 61.5 21.4
...
2019 01 03 14 23 54.0 -03 53 49 0.8267 1.0130 67.4 63.7 21.4
...
2019 01 18 15 45 19.7 -08 02 12 0.8639 0.9574 62.0 65.2 21.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-Y32
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