MPEC 2019-A157: 2019 AR7
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M.P.E.C. 2019-A157 Issued 2019 Jan. 10, 15:29 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
2019 AR7
Observations:
K19A07R* C2019 01 08.51679109 11 52.83 +09 58 01.1 17.31cVEA157T05
K19A07R C2019 01 08.53453309 10 54.84 +09 48 24.3 18.03cVEA157T05
K19A07R C2019 01 08.54360009 10 25.39 +09 43 29.9 17.91cVEA157T05
K19A07R C2019 01 09.36595 08 34 14.61 +02 37 33.1 17.4 GVEA157I52
K19A07R C2019 01 09.36619 08 34 13.93 +02 37 26.0 17.3 GVEA157I52
K19A07R C2019 01 09.36644 08 34 13.26 +02 37 19.1 17.1 GVEA157I52
K19A07R C2019 01 09.36668 08 34 12.58 +02 37 12.0 17.1 GVEA157I52
K19A07R C2019 01 09.47670908 29 51.35 +01 47 52.6 17.50oVEA157T08
K19A07R C2019 01 09.48482308 29 29.14 +01 44 03.0 17.48oVEA157T08
K19A07R C2019 01 09.48498 08 28 53.28 +01 40 49.3 17.3 GVEA157I52
K19A07R C2019 01 09.48516 08 28 52.82 +01 40 44.0 17.4 GVEA157I52
K19A07R C2019 01 09.48535 08 28 52.32 +01 40 38.6 17.3 GVEA157I52
K19A07R C2019 01 09.48554 08 28 51.83 +01 40 33.3 17.4 GVEA157I52
K19A07R C2019 01 09.49299508 29 06.78 +01 40 12.7 17.27oVEA157T08
K19A07R C2019 01 09.50234708 28 41.94 +01 35 32.2 17.91cVEA157T05
K19A07R C2019 01 09.50863508 28 24.83 +01 32 35.1 17.65cVEA157T05
K19A07R C2019 01 09.51387508 28 09.87 +01 30 25.1 17.73oVEA157T08
K19A07R C2019 01 09.52369008 27 43.99 +01 25 32.4 17.68cVEA157T05
K19A07R C2019 01 09.52796208 27 31.69 +01 23 49.7 17.54oVEA157T08
K19A07R C2019 01 09.53073808 27 24.96 +01 22 16.0 18.83cVEA157T05
K19A07R C2019 01 09.53585608 27 10.43 +01 20 08.8 17.33oVEA157T08
K19A07R C2019 01 09.53841008 27 04.31 +01 18 40.4 18.35cVEA157T05
K19A07R C2019 01 09.54612408 26 43.69 +01 15 05.5 18.23cVEA157T05
K19A07R C2019 01 09.55096308 26 29.99 +01 13 07.1 17.44oVEA157T08
K19A07R C2019 01 09.55929408 26 07.80 +01 09 15.0 17.16oVEA157T08
K19A07R KC2019 01 09.95579508 12 05.72 -01 52 19.7 18.1 GVEA157J95
K19A07R KC2019 01 09.95731908 12 02.17 -01 52 58.1 18.0 GVEA157J95
K19A07R KC2019 01 09.95849208 11 59.42 -01 53 27.6 17.7 GVEA157J95
K19A07R KC2019 01 09.95968508 11 56.65 -01 53 58.0 17.7 GVEA157J95
K19A07R C2019 01 09.98311908 11 18.564-01 59 32.89 17.8 GVEA157J04
K19A07R C2019 01 09.98324408 11 18.282-01 59 35.96 18.2 GVEA157J04
K19A07R C2019 01 09.98337408 11 17.962-01 59 39.35 18.1 GVEA157J04
K19A07R C2019 01 09.98382508 11 16.905-01 59 50.33 18.0 GVEA157J04
K19A07R C2019 01 09.98394708 11 16.621-01 59 53.55 18.1 GVEA157J04
K19A07R C2019 01 09.98407608 11 16.305-01 59 56.89 18.1 GVEA157J04
Observer details:
I52 Steward Observatory, Mt. Lemmon Station. 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. 1.0-m reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observer P. Ruiz. Measurers
M. Micheli, D. Koschny, A. Knoefel, M. Busch, E. Schwab. 1.0-m f/4.4
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3
Schmidt-Cassegrain + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze,
H. Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze,
H. Weiland, B. Stalder, D. Young, N. Erasmus, H. Flewelling,
A. Fitzsimmons. 0.5-m reflector + CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, A. Heinze,
H. Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze,
H. Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, D. Young,
N. Erasmus. 0.5-m reflector + CCD.
Orbital elements:
2019 AR7 Earth MOID = 0.0070 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 259.13587 (2000.0) P Q
n 1.11435957 Peri. 35.64124 +0.79379112 +0.59792260
a 0.9214091 Node 287.25861 -0.58152560 +0.69258977
e 0.0971205 Incl. 6.69195 -0.17811131 +0.40349469
P 0.88 H 26.7 G 0.15 U 5
Residuals in seconds of arc
190108 T05 0.1- 0.0 190109 I52 0.1- 0.2- 190109 T08 0.1- 0.2-
190108 T05 0.5- 0.3- 190109 T08 0.3+ 0.2+ 190109 J95 0.0 0.1-
190108 T05 0.6+ 0.3+ 190109 T05 0.2+ 0.3+ 190109 J95 0.1+ 0.0
190109 I52 0.0 0.0 190109 T05 0.3+ 0.0 190109 J95 0.1- 0.2+
190109 I52 0.2- 0.2- 190109 T08 0.3+ 0.1+ 190109 J95 0.1+ 0.1-
190109 I52 0.1+ 0.1+ 190109 T05 0.0 0.1- 190109 J04 0.4- 0.2-
190109 I52 0.2- 0.0 190109 T08 0.2- 0.2- 190109 J04 0.1- 0.1-
190109 T08 0.4- 0.3+ 190109 T05 0.1- 0.9+ 190109 J04 0.3- 0.2-
190109 T08 0.2+ 0.1- 190109 T08 0.0 0.2- 190109 J04 0.0 0.2+
190109 I52 0.2- 0.0 190109 T05 0.3- 0.2- 190109 J04 0.1+ 0.0
190109 I52 0.1- 0.2- 190109 T05 0.4+ 0.3+ 190109 J04 0.0 0.1-
190109 I52 0.1- 0.2- 190109 T08 0.3+ 0.1-
Ephemeris:
2019 AR7 a,e,i = 0.92, 0.10, 7 q = 0.8319
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 11 16 15 21.8 +33 55 42 0.06438 0.9526 58.4 118.3 25.4
...
2018 12 26 15 26 52.0 +37 35 08 0.03115 0.9748 72.9 105.4 23.0
...
2019 01 03 13 32 57.9 +38 01 28 0.01429 0.9850 96.4 82.8 20.3
...
2019 01 09 08 49 44.4 +05 47 01 0.0094240.9917 152.6 27.2 17.8
2019 01 10 08 10 15.1 -01 59 18 0.01047 0.9928 153.3 26.4 18.0
2019 01 11 07 38 53.8 -08 04 12 0.01191 0.9937 149.9 29.8 18.4
...
2019 01 17 06 08 21.4 -23 01 14 0.02403 0.9991 129.2 49.7 20.5
...
2019 01 25 05 33 37.5 -27 04 17 0.04228 1.0046 117.5 60.3 22.0
...
2019 02 09 05 19 24.9 -27 49 36 0.07614 1.0103 106.1 69.7 23.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A157
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