[Iaude] MPEC A100: 2017 AM4 [a=1.42,e=0.27,i=60.3,H=19.0,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Sun Jan 6 19:39:17 EST 2019
M.P.E.C. 2019-A100 Issued 2019 Jan. 7, 00:34 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
2017 AM4
Revision to MPEC 2017-A38
Additional Observations:
K17A04M KC2019 01 05.43424113 04 44.39 +30 30 37.8 22.1 VuEA100H21
K17A04M KC2019 01 05.43991813 04 45.24 +30 30 50.3 22.4 VuEA100H21
K17A04M KC2019 01 05.44681213 04 46.27 +30 31 05.8 22.4 VuEA100H21
K17A04M KC2019 01 06.43391413 07 16.97 +31 06 33.3 22.2 VuEA100H21
K17A04M KC2019 01 06.44263513 07 18.26 +31 06 52.0 21.8 VuEA100H21
K17A04M KC2019 01 06.45237113 07 19.75 +31 07 13.4 22.0 VuEA100H21
Observer details:
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 1.3-m f/4.0
astrograph + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
190105 H21 18.9+ 0.1- 190106 H21 19.1+ 0.3- MPO409574 -0.016 day
Orbital elements:
2017 AM4 PHA, Earth MOID = 0.0229 AU
Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC
M 295.15723 (2000.0) P Q
n 0.58276949 Peri. 176.54964 +0.60615622 +0.42211924
a 1.4195091 Node 129.08423 -0.74892778 +0.58823740
e 0.2689051 Incl. 60.27549 -0.26773460 -0.68977685
P 1.69 H 19.0 G 0.15 U 3
Residuals in seconds of arc
170103 F51 0.2+ 0.1- 170119 K88 0.7+ 0.0 170202 691 1.2- 1.3+
170103 F51 0.2+ 0.2- 170119 K88 0.2+ 0.2- 170203 F51 0.1+ 0.0
170103 F51 0.2+ 0.1- 170119 K88 0.5+ 0.1- 170203 F51 0.1+ 0.0
170103 F51 0.2+ 0.1- 170122 K88 0.1+ 0.6- 170203 F51 0.1+ 0.0
170104 W86 0.2+ 0.0 170122 K88 0.1- 0.4+ 170203 F51 0.2+ 0.1-
170104 W86 0.1- 0.0 170122 K88 0.1- 0.4- 170216 691 0.5+ 0.8-
170104 W86 0.1- 0.3+ 170124 J04 0.1- 0.1- 170216 691 0.1- 0.9-
170104 W86 0.1+ 0.3+ 170124 J04 0.0 0.0 170221 691 0.8- 1.5+
170104 W86 0.1+ 0.0 170124 J04 0.1+ 0.1- 170221 691 0.5- 0.2-
170104 W86 0.0 0.1+ 170125 H21 0.0 0.5- 170221 691 0.1- 0.5+
170104 W86 0.1- 0.1+ 170125 H21 0.2+ 0.4- 170304 291 0.0 0.9-
170104 W86 0.2+ 0.1- 170125 H21 0.1- 0.3- 170304 291 0.2+ 0.1-
170104 568 0.1+ 0.1- 170126 F51 0.1+ 0.1+ 170304 291 0.1+ 0.0
170104 568 0.1+ 0.0 170126 F51 0.2+ 0.0 170315 695 0.2+ 0.1-
170104 568 0.1+ 0.1- 170126 F51 0.2+ 0.0 170315 695 0.3+ 0.2-
170105 926 1.2+ 0.4- 170126 F51 0.2+ 0.0 170315 695 0.2+ 0.2-
170105 926 0.3+ 0.4- 170129 691 0.0 0.2- 170330 291 0.0 0.4-
170105 926 0.2+ 0.1- 170129 691 0.2- 0.0 170330 291 0.4+ 0.3-
170106 807 0.5+ 0.2+ 170129 691 0.3- 0.6+ 170330 291 0.3+ 0.3-
170106 807 1.0+ 0.5+ 170130 691 0.0 0.1+ 170420 291 0.9- 0.9+
170106 807 0.2+ 0.0 170130 691 0.1- 0.1+ 170420 291 0.4- 0.2-
170109 695 0.2+ 0.1+ 170130 691 0.2+ 0.3- 190105 H21 0.1+ 1.0-
170109 695 0.2- 0.0 170131 691 0.4- 0.0 190105 H21 0.1+ 0.6-
170109 695 0.0 0.2+ 170131 691 0.4- 0.2+ 190105 H21 0.1+ 0.1+
170118 291 0.5+ 0.0 170131 691 0.6- 0.2- 190106 H21 0.1+ 0.8-
170118 291 0.0 0.4+ 170202 691 0.1+ 0.2- 190106 H21 0.2- 1.2-
170118 291 0.2+ 0.1- 170202 691 0.8- 0.6+ 190106 H21 0.1+ 1.0-
Ephemeris:
2017 AM4 a,e,i = 1.42, 0.27, 60 q = 1.0378
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 12 08 12 00 00.8 +17 52 49 1.5810 1.7606 83.2 33.7 22.6
...
2018 12 23 12 32 34.1 +23 31 07 1.3806 1.7369 93.0 34.4 22.3
...
2018 12 31 12 51 17.9 +27 26 44 1.2848 1.7220 97.9 34.4 22.2
...
2019 01 06 13 06 10.2 +30 50 52 1.2204 1.7099 101.2 34.3 22.0
2019 01 07 13 08 43.6 +31 27 10 1.2104 1.7078 101.7 34.3 22.0
2019 01 08 13 11 18.5 +32 04 05 1.2007 1.7057 102.2 34.3 22.0
...
2019 01 14 13 27 21.1 +35 58 20 1.1472 1.6924 104.9 34.2 21.9
...
2019 01 22 13 50 29.0 +41 39 25 1.0907 1.6735 107.4 34.1 21.7
...
2019 02 06 14 41 01.9 +52 58 57 1.0351 1.6341 107.9 35.0 21.6
A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A100
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