MPEC 2018-A62 : 2018 AU2
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M.P.E.C. 2018-A62 Issued 2018 Jan. 14, 12:40 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 AU2
Observations:
K18A02U* C2018 01 13.24321 05 50 17.89 +20 16 15.5 18.3 GUEA062G96
K18A02U C2018 01 13.24330 05 50 18.05 +20 16 08.4 18.4 GUEA062G96
K18A02U C2018 01 13.24339 05 50 18.20 +20 16 01.2 18.1 GUEA062G96
K18A02U C2018 01 13.24348 05 50 18.37 +20 15 54.3 17.9 GUEA062G96
K18A02U C2018 01 13.26571705 50 54.69 +19 46 51.4 17.7 GUEA062H01
K18A02U C2018 01 13.26795 05 51 01.83 +19 44 24.4 17.3 GUEA062I52
K18A02U C2018 01 13.26807 05 51 02.01 +19 44 15.0 17.8 GUEA062I52
K18A02U C2018 01 13.26820 05 51 02.22 +19 44 04.2 17.7 GUEA062I52
K18A02U C2018 01 13.27383205 51 09.29 +19 36 15.9 18.1 GUEA062H01
K18A02U C2018 01 13.28060805 51 21.58 +19 27 21.8 18.0 GUEA062H01
K18A02U C2018 01 13.28787005 51 34.80 +19 17 45.3 18.1 GUEA062H01
K18A02U C2018 01 13.41218 05 55 39.48 +16 24 29.4 17.8 GUEA062I52
K18A02U C2018 01 13.41231 05 55 39.74 +16 24 17.9 17.9 GUEA062I52
K18A02U C2018 01 13.41244 05 55 40.03 +16 24 07.3 18.2 GUEA062I52
K18A02U C2018 01 13.41256 05 55 40.28 +16 23 56.1 18.4 GUEA062I52
K18A02U KC2018 01 13.75120 06 11 17.63 +07 02 23.6 18.0 RqEA062587
K18A02U KC2018 01 13.75325 06 11 22.94 +06 58 35.7 qEA062587
K18A02U KC2018 01 13.75531 06 11 28.20 +06 54 46.8 qEA062587
K18A02U KC2018 01 13.84544 06 15 17.81 +04 02 21.5 18.1 RUEA062K51
K18A02U KC2018 01 13.84623 06 15 19.85 +04 00 47.9 17.9 RUEA062K51
K18A02U KC2018 01 13.84733 06 15 22.66 +03 58 38.2 17.9 RUEA062K51
K18A02U KC2018 01 13.84806 06 15 24.55 +03 57 11.7 17.7 RUEA062K51
K18A02U KC2018 01 13.88514806 16 58.86 +02 43 03.4 18.1 VqEA062595
K18A02U KC2018 01 13.88785706 17 05.91 +02 37 35.0 17.4 VqEA062595
K18A02U KC2018 01 13.88921306 17 09.48 +02 34 49.4 17.7 VqEA062595
K18A02U KC2018 01 13.89057206 17 12.98 +02 32 04.2 17.9 VqEA062595
K18A02U KC2018 01 13.89192706 17 16.50 +02 29 19.0 18.0 VqEA062595
K18A02U KC2018 01 13.95993 06 20 19.17 +00 08 53.5 18.2 RqEA062160
K18A02U KC2018 01 13.96073 06 20 21.37 +00 07 12.6 17.9 RqEA062160
K18A02U KC2018 01 13.96152 06 20 23.60 +00 05 35.9 18.4 RqEA062160
K18A02U C2018 01 14.20165 06 34 04.84 -08 48 58.0 17.9 GUEA062I52
K18A02U C2018 01 14.20205 06 34 06.07 -08 49 54.6 18.2 GUEA062I52
K18A02U C2018 01 14.20244 06 34 07.29 -08 50 49.8 17.9 GUEA062I52
Observer details:
160 Castelmartini. Observers M. Jaeger, E. Prosperi, S. Prosperi, W. Vollmann.
Measurer E. Prosperi. 0.35-m f/10 Schmidt-Cassegrain + CCD.
587 Sormano. Observers M. Calcagno, A. Carcano, E. Colzani, A. Testa.
Measurer A. Testa. 0.5-m f/6.8 reflector + CCD.
595 Farra d'Isonzo. Observers E. Pettarin, F. Piani. Measurer E. Pettarin.
0.61-m f/4.0 reflector + CCD.
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. Observers R. G. Matheny,
J. A. Johnson. 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.
K51 Osservatorio del Celado, Castello Tesino. Observers G. Favero, R. Furgoni.
Measurer R. Furgoni. 0.80-m f/4 reflector + CCD.
Orbital elements:
2018 AU2 Earth MOID = 0.0081 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 299.06640 (2000.0) P Q
n 0.40057591 Peri. 206.12987 -0.74280839 -0.65186574
a 1.8225502 Node 292.32164 +0.63953860 -0.62341214
e 0.4730753 Incl. 9.49909 +0.19805573 -0.43177351
P 2.46 H 27.4 G 0.15 U 6
Residuals in seconds of arc
180113 G96 0.1- 0.5+ 180113 I52 0.1+ 0.3- 180113 595 0.1+ 0.1-
180113 G96 0.1- 0.3+ 180113 I52 0.0 0.3- 180113 595 0.1+ 0.6+
180113 G96 0.2- 0.0 180113 I52 0.2+ 0.6+ 180113 595 0.6+ 0.0
180113 G96 0.0 0.0 180113 I52 0.2+ 0.1- 180113 595 0.0 0.2+
180113 H01 0.2+ 0.1- 180113 587 0.3- 0.2+ 180113 595 0.2- 0.1+
180113 I52 0.2+ 0.1+ 180113 587 0.2+ 0.3- 180113 160 1.1- 1.3-
180113 I52 0.3- 0.1+ 180113 587 0.4- 0.3- 180113 160 0.6- 0.8-
180113 I52 0.6- 0.6- 180113 K51 0.0 0.2+ 180113 160 (0.8+ 2.7+)
180113 H01 0.0 0.0 180113 K51 0.1+ 0.1+ 180114 I52 0.1+ 0.2+
180113 H01 0.1+ 0.2+ 180113 K51 0.2- 0.7+ 180114 I52 0.0 0.1+
180113 H01 0.1- 0.2- 180113 K51 0.1- 0.7+ 180114 I52 0.3+ 0.0
Ephemeris:
2018 AU2 a,e,i = 1.82, 0.47, 9 q = 0.9603
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 15 04 17 53.1 +56 31 48 0.1682 1.1251 144.3 30.7 25.1
...
2017 12 30 04 13 19.6 +56 21 24 0.08379 1.0470 137.9 39.0 23.7
...
2018 01 07 04 29 08.5 +52 37 42 0.04086 1.0135 136.9 41.5 22.1
...
2018 01 13 05 42 16.9 +25 00 22 0.01070 0.9931 153.4 26.3 18.7
2018 01 14 06 22 33.6 -01 01 09 0.0075270.9902 150.4 29.3 18.0
2018 01 15 07 31 15.7 -39 48 18 0.0074800.9873 118.9 60.7 18.9
...
2018 01 21 14 22 27.6 -67 15 32 0.03525 0.9729 70.5 107.5 24.1
...
2018 01 29 15 16 43.5 -63 37 04 0.07700 0.9617 70.3 105.3 25.7
...
2018 02 13 15 47 45.6 -61 39 59 0.1522 0.9667 77.8 93.3 26.6
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A62
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