MPEC 2018-A73 : 2018 AH3
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M.P.E.C. 2018-A73 Issued 2018 Jan. 14, 20:51 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
2018 AH3
Observations:
K18A03H* C2018 01 12.27009 07 29 59.16 +29 21 07.8 21.0 GUEA073G96
K18A03H C2018 01 12.27534 07 29 59.87 +29 20 59.2 21.5 GUEA073G96
K18A03H C2018 01 12.28057 07 30 00.58 +29 20 50.6 21.8 GUEA073G96
K18A03H C2018 01 12.28580 07 30 01.31 +29 20 41.5 20.9 GUEA073G96
K18A03H C2018 01 12.35288 07 30 10.36 +29 18 48.1 20.8 GUEA073I52
K18A03H C2018 01 12.35365 07 30 10.44 +29 18 47.3 21.3 GUEA073I52
K18A03H C2018 01 12.35441 07 30 10.63 +29 18 44.5 21.7 GUEA073I52
K18A03H C2018 01 13.16029907 32 15.63 +28 56 28.1 21.0 GUEA073H01
K18A03H C2018 01 13.16455607 32 16.19 +28 56 21.8 21.5 GUEA073H01
K18A03H C2018 01 13.17455007 32 17.51 +28 56 06.6 21.1 GUEA073H01
K18A03H C2018 01 13.18584107 32 19.01 +28 55 49.1 20.8 GUEA073H01
K18A03H C2018 01 13.20110 07 32 21.21 +28 55 26.4 21.5 GUEA073I52
K18A03H C2018 01 13.20524 07 32 21.72 +28 55 20.3 22.6 GUEA073I52
K18A03H C2018 01 13.20938 07 32 22.26 +28 55 13.7 21.5 GUEA073I52
K18A03H C2018 01 13.21353 07 32 22.77 +28 55 07.4 21.4 GUEA073I52
K18A03H KC2018 01 13.21684 07 32 22.90 +28 55 05.4 oEA073711
K18A03H KC2018 01 13.22046 07 32 23.33 +28 55 00.0 oEA073711
K18A03H KC2018 01 13.22409 07 32 23.78 +28 54 54.0 oEA073711
K18A03H KC2018 01 14.22696 07 34 43.59 +28 28 49.8 oEA073711
K18A03H KC2018 01 14.23097 07 34 44.09 +28 28 43.6 oEA073711
K18A03H KC2018 01 14.23562 07 34 44.61 +28 28 37.5 oEA073711
K18A03H C2018 01 14.23942107 34 45.07 +28 28 27.9 21.0 GUEA073H01
K18A03H C2018 01 14.24392607 34 45.60 +28 28 21.2 21.6 GUEA073H01
K18A03H C2018 01 14.25348607 34 46.70 +28 28 07.2 21.6 GUEA073H01
K18A03H C2018 01 14.26013807 34 47.47 +28 27 57.2 21.5 GUEA073H01
Observer details:
711 McDonald Observatory. Observer J. G. Ries. 2.1-m reflector + CCD + focal
reducer.
G96 Mt. Lemmon Survey. Observer D. C. Fuls. Measurers E. J. Christensen,
D. C. Fuls, A. R. Gibbs, A. D. Grauer, J. A. Johnson, R. A. Kowalski,
S. M. Larson, G. J. Leonard, R. G. Matheny, R. L. Seaman, F. C. Shelly.
1.5-m reflector + 10K CCD.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. G. Matheny.
Measurers E. J. Christensen, D. C. Fuls, A. R. Gibbs, A. D. Grauer,
J. A. Johnson, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. G. Matheny,
R. L. Seaman, F. C. Shelly. 1.0-m reflector + CCD.
Orbital elements:
2018 AH3 Earth MOID = 0.0298 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 341.14364 (2000.0) P Q
n 0.21417807 Peri. 88.70427 +0.45490772 -0.89045708
a 2.7666404 Node 334.22599 +0.80563907 +0.41726641
e 0.6392868 Incl. 1.58775 +0.37947945 +0.18159003
P 4.60 H 24.6 G 0.15 U 8
Residuals in seconds of arc
180112 G96 0.1+ 0.1- 180113 H01 0.3- 0.0 180113 711 0.4- 0.1-
180112 G96 0.1+ 0.1- 180113 H01 0.2- 0.1- 180114 711 0.5+ 0.3+
180112 G96 0.1+ 0.0 180113 H01 0.1+ 0.4- 180114 711 1.0+ 0.0
180112 G96 0.0 0.2+ 180113 I52 0.4+ 0.3- 180114 711 0.8+ 0.7+
180112 G96 0.3+ 0.2- 180113 I52 0.1+ 0.0 180114 H01 0.5- 0.1-
180112 I52 0.2- 0.4+ 180113 I52 0.2+ 0.3- 180114 H01 0.4- 0.2-
180112 I52 0.5- 0.9+ 180113 I52 0.1- 0.3- 180114 H01 0.4- 0.0
180112 I52 0.6+ 0.6- 180113 711 0.0 0.1+ 180114 H01 0.4- 0.2-
180113 H01 0.2- 0.1- 180113 711 0.3- 0.3+
Ephemeris:
2018 AH3 a,e,i = 2.77, 0.64, 2 q = 0.9980
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 15 00 55 12.0 +34 41 18 0.06097 1.0162 120.1 56.9 20.6
...
2017 12 30 06 17 42.0 +38 47 30 0.09323 1.0732 163.9 14.7 20.4
...
2018 01 07 07 12 17.1 +32 16 05 0.1351 1.1166 170.2 8.7 21.1
...
2018 01 13 07 31 49.5 +29 01 01 0.1716 1.1539 172.4 6.4 21.6
2018 01 14 07 34 11.5 +28 34 40 0.1781 1.1605 172.6 6.2 21.7
2018 01 15 07 36 22.7 +28 09 47 0.1847 1.1671 172.7 6.1 21.7
...
2018 01 21 07 46 39.5 +26 05 32 0.2266 1.2087 171.7 6.8 22.3
...
2018 01 29 07 55 58.3 +24 07 14 0.2889 1.2682 167.1 10.0 23.1
...
2018 02 13 08 08 57.8 +21 42 48 0.4274 1.3881 155.7 17.0 24.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A73
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