MPEC 2018-A41 : 2018 AG1
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M.P.E.C. 2018-A41 Issued 2018 Jan. 11, 18:04 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 AG1
Observations:
K18A01G C2018 01 01.25528 23 54 41.294+21 26 53.06 19.8 iUEA041F51
K18A01G C2018 01 03.22569 00 54 20.538+29 27 47.43 19.2 iUEA041F51
K18A01G C2018 01 03.23854 00 54 43.396+29 30 24.57 19.4 iUEA041F51
K18A01G* C2018 01 08.25848 03 03 46.86 +38 28 21.0 19.4 GUEA041G96
K18A01G C2018 01 08.26362 03 03 52.86 +38 28 31.5 19.3 GUEA041G96
K18A01G C2018 01 08.26876 03 03 58.83 +38 28 41.4 19.6 GUEA041G96
K18A01G C2018 01 08.27418 03 04 05.12 +38 28 52.0 20.0 GUEA041G96
K18A01G C2018 01 08.30714 03 04 43.44 +38 29 55.6 19.0 GUEA041I52
K18A01G C2018 01 08.30756 03 04 43.95 +38 29 56.3 18.9 GUEA041I52
K18A01G C2018 01 08.30797 03 04 44.45 +38 29 57.0 18.9 GUEA041I52
K18A01G C2018 01 08.30839 03 04 44.94 +38 29 57.8 18.2 GUEA041I52
K18A01G C2018 01 08.35684 03 05 41.41 +38 31 28.4 19.0 GUEA041I52
K18A01G C2018 01 08.35808 03 05 42.86 +38 31 30.0 19.2 GUEA041I52
K18A01G C2018 01 08.35933 03 05 44.30 +38 31 32.1 19.2 GUEA041I52
K18A01G KC2018 01 08.72246 03 12 46.40 +38 42 58.0 19.0 RoEA041K88
K18A01G KC2018 01 08.72507 03 12 49.25 +38 43 02.6 18.7 RoEA041K88
K18A01G KC2018 01 08.72782 03 12 52.27 +38 43 07.3 18.7 RoEA041K88
K18A01G KC2018 01 08.79054 03 14 01.11 +38 44 47.1 19.3 RSEA041B15
K18A01G KC2018 01 08.79189 03 14 02.57 +38 44 49.5 19.2 RSEA041B15
K18A01G KC2018 01 08.79331 03 14 04.11 +38 44 51.6 19.0 RSEA041B15
K18A01G KC2018 01 08.79459 03 14 05.50 +38 44 53.6 19.2 RSEA041B15
K18A01G KC2018 01 08.87991 03 15 37.11 +38 47 09.1 19.3 VtEA041L04
K18A01G KC2018 01 08.88830 03 15 46.14 +38 47 21.4 19.2 VtEA041L04
K18A01G KC2018 01 08.90128 03 16 00.15 +38 47 39.3 19.3 VtEA041L04
K18A01G C2018 01 10.00356 03 34 46.18 +39 07 53.4 19.8 VSEA041033
K18A01G C2018 01 10.00494 03 34 47.50 +39 07 54.2 20.0 VSEA041033
K18A01G C2018 01 10.02135 03 35 03.00 +39 08 03.7 20.1 VSEA041033
K18A01G C2018 01 10.02272 03 35 04.29 +39 08 04.5 20.3 VSEA041033
K18A01G C2018 01 10.02410 03 35 05.59 +39 08 05.2 20.2 VSEA041033
K18A01G C2018 01 11.30077 03 53 44.97 +39 17 07.4 19.3 RoEA041926
K18A01G C2018 01 11.30304 03 53 46.75 +39 17 08.0 21.1 RoEA041926
K18A01G C2018 01 11.30532 03 53 48.59 +39 17 07.3 20.0 RoEA041926
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers U. Laux,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
926 Tenagra II Observatory. Observers M. Schwartz, P. R. Holvorcem. Measurer
M. Schwartz. 0.81-m f/7 Ritchey-Chretien + CCD.
B15 Inastars Observatory, Potsdam (since 2006). Observer B. Thinius. 0.36-m
f/5.6 Schmidt-Cassegrain + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz,
M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau, H. Flewelling,
M. Huber, E. Lilly, E. Magnier, R. Wainscoat, C. Waters, R. Weryk. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer E. J. Christensen. 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer R. A. Kowalski.
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.
K88 GINOP-KHK, Piszkesteto. Observer K. Sarneczky. 0.60-m Schmidt + CCD.
L04 ROASTERR-1 Observatory, Cluj-Napoca. Observer L. Hudin. 0.3-m f/5
reflector + CCD.
Orbital elements:
2018 AG1 Earth MOID = 0.0285 AU
Epoch 2017 Sept. 4.0 TT = JDT 2458000.5 MPC
M 328.78098 (2000.0) P Q
n 0.43397534 Peri. 291.29056 +0.97924507 -0.17657274
a 1.7277969 Node 78.98652 +0.20209938 +0.88779326
e 0.6355229 Incl. 5.81816 -0.01532734 +0.42502376
P 2.27 H 22.1 G 0.15 U 6
Residuals in seconds of arc
180101 F51 0.3+ 0.3+ 180108 I52 0.8+ 0.8+ 180108 L04 0.4+ 0.1+
180103 F51 0.0 0.0 180108 I52 0.8+ 0.1+ 180108 L04 0.5+ 0.3-
180103 F51 0.8+ 0.5+ 180108 I52 0.6+ 0.0 180110 033 0.1- 0.1+
180108 G96 0.0 0.3- 180108 K88 0.1- 0.1- 180110 033 0.0 0.1+
180108 G96 0.3+ 0.1+ 180108 K88 0.2- 0.0 180110 033 0.0 0.1-
180108 G96 0.2+ 0.2- 180108 K88 0.1- 0.1- 180110 033 0.0 0.1-
180108 G96 0.0 0.2- 180108 B15 0.1- 0.4- 180110 033 0.0 0.2-
180108 I52 0.3- 0.1+ 180108 B15 0.2- 0.2- 180111 926 0.1- 0.3+
180108 I52 0.0 0.0 180108 B15 0.2- 0.4- 180111 926 0.3- 0.9+
180108 I52 0.3+ 0.1- 180108 B15 0.2- 0.5- 180111 926 0.1+ 0.3+
180108 I52 0.3+ 0.1- 180108 L04 0.6+ 0.3-
Ephemeris:
2018 AG1 a,e,i = 1.73, 0.64, 6 q = 0.6297
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2017 12 12 19 39 45.4 -24 22 38 0.2644 0.7758 32.8 136.5 25.1
...
2017 12 27 21 48 42.2 -02 20 09 0.1028 0.9269 54.1 120.8 21.9
...
2018 01 04 01 17 30.5 +31 52 34 0.09319 1.0126 105.7 69.2 19.4
...
2018 01 10 03 34 45.2 +39 08 18 0.1410 1.0772 128.7 45.5 19.7
2018 01 11 03 49 39.8 +39 16 15 0.1511 1.0879 130.6 43.3 19.9
2018 01 12 04 02 48.8 +39 17 12 0.1616 1.0986 132.2 41.5 20.0
...
2018 01 18 04 56 26.6 +38 21 31 0.2296 1.1626 137.1 35.2 20.7
...
2018 01 26 05 34 16.6 +36 43 23 0.3293 1.2465 137.2 32.4 21.5
...
2018 02 10 06 13 07.0 +34 19 14 0.5362 1.3979 130.9 32.2 22.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-A41
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