MPEC 2018-D81 : 2018 DZ1
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M.P.E.C. 2018-D81 Issued 2018 Feb. 27, 15:13 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 DZ1
Observations:
K18D01Z* C2018 02 25.26895 12 10 58.28 +17 41 21.6 20.4 GUED081G96
K18D01Z C2018 02 25.27412 12 10 58.07 +17 42 06.0 20.9 GUED081G96
K18D01Z C2018 02 25.27930 12 10 57.88 +17 42 48.7 20.6 GUED081G96
K18D01Z C2018 02 25.28447 12 10 57.73 +17 43 32.6 20.4 GUED081G96
K18D01Z C2018 02 25.42000 12 10 51.79 +18 02 33.9 20.3 GUED081I52
K18D01Z C2018 02 25.42165 12 10 51.73 +18 02 47.6 20.0 GUED081I52
K18D01Z C2018 02 25.42386 12 10 51.68 +18 03 06.2 20.3 GUED081I52
K18D01Z C2018 02 25.53317 12 10 47.37 +18 18 14.4 21.2 GUED081G96
K18D01Z C2018 02 25.53357 12 10 47.36 +18 18 16.1 20.6 GUED081G96
K18D01Z C2018 02 25.53512 12 10 47.25 +18 18 30.8 21.5 GUED081G96
K18D01Z C2018 02 25.53599 12 10 47.34 +18 18 36.7 21.0 GUED081G96
K18D01Z C2018 02 25.92903 12 10 50.74 +19 13 12.3 20.8 VSED081033
K18D01Z C2018 02 25.93104 12 10 50.67 +19 13 29.5 20.9 VSED081033
K18D01Z C2018 02 25.93307 12 10 50.62 +19 13 46.6 21.0 VSED081033
K18D01Z C2018 02 25.93508 12 10 50.55 +19 14 03.8 20.9 VSED081033
K18D01Z C2018 02 25.93711 12 10 50.50 +19 14 20.6 21.0 VSED081033
K18D01Z C2018 02 25.93912 12 10 50.43 +19 14 37.5 20.9 VSED081033
K18D01Z C2018 02 25.94115 12 10 50.38 +19 14 54.9 21.2 VSED081033
K18D01Z C2018 02 25.94316 12 10 50.26 +19 15 11.6 21.1 VSED081033
K18D01Z |C2018 02 26.26637 12 10 44.03 +20 02 32.6 20.5 GUED081807
K18D01Z C2018 02 26.27187 12 10 47.58 +20 01 36.8 19.7 GUED081G96
K18D01Z |C2018 02 26.27246 12 10 43.72 +20 03 23.6 20.6 GUED081807
K18D01Z C2018 02 26.27710 12 10 47.32 +20 02 21.4 20.9 GUED081G96
K18D01Z |C2018 02 26.27854 12 10 43.41 +20 04 14.5 20.7 GUED081807
K18D01Z C2018 02 26.28758 12 10 46.84 +20 03 50.5 20.9 GUED081G96
K18D01Z C2018 02 26.28824 12 10 46.83 +20 03 55.5 20.1 GUED081I52
K18D01Z C2018 02 26.29075 12 10 46.69 +20 04 16.6 21.2 GUED081I52
K18D01Z C2018 02 26.29572 12 10 46.48 +20 04 59.2 20.5 GUED081I52
K18D01Z C2018 02 27.39162 12 10 26.34 +22 38 00.1 20.9 GUED081I52
K18D01Z C2018 02 27.39410 12 10 26.20 +22 38 20.8 20.6 GUED081I52
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers U. Laux,
B. Stecklum. Measurer B. Stecklum. 1.34-m f/3 Schmidt + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 1.00-m f/10.0 astrograph
+ CCD.
G96 Mt. Lemmon Survey. Observer G. J. Leonard. 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.
Orbital elements:
2018 DZ1 Earth MOID = 0.0817 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 203.72173 (2000.0) P Q
n 1.01820426 Peri. 189.34485 +0.93836141 +0.33193380
a 0.9785419 Node 150.69308 -0.30304846 +0.92420875
e 0.0957004 Incl. 11.36111 -0.16625128 +0.18883362
P 0.97 H 24.9 G 0.15 U 7
Residuals in seconds of arc
180225 G96 0.1+ 0.1+ 180225 G96 0.7+ 0.2- 180226 G96 0.9+ 0.1+
180225 G96 0.2- 0.6+ 180225 033 0.1- 0.1+ 180226 807 0.0 0.2-
180225 G96 0.2- 0.6- 180225 033 0.2- 0.3+ 180226 G96 0.3+ 0.2+
180225 G96 0.4+ 0.6- 180225 033 0.0 0.2+ 180226 807 0.0 0.2-
180225 I52 0.5- 0.1- 180225 033 0.0 0.4+ 180226 G96 0.2- 0.3+
180225 I52 0.3- 0.2- 180225 033 0.2+ 0.0 180226 I52 0.1+ 0.3-
180225 I52 0.4+ 0.0 180225 033 0.2+ 0.1- 180226 I52 0.3- 0.5-
180225 G96 0.1- 0.8+ 180225 033 0.4+ 0.1+ 180226 I52 0.2- 0.1-
180225 G96 0.0 0.8- 180225 033 0.3- 0.3- 180227 I52 0.1- 0.0
180225 G96 0.9- 1.1+ 180226 807 0.1+ 0.1- 180227 I52 0.2- 0.1+
Ephemeris:
2018 DZ1 a,e,i = 0.98, 0.10, 11 q = 0.8849
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 28 11 50 21.4 -24 57 36 0.1498 1.0606 116.7 56.0 22.9
...
2018 02 12 12 06 46.7 -09 06 39 0.1083 1.0691 137.2 38.9 21.8
...
2018 02 20 12 10 41.1 +05 47 33 0.09406 1.0714 150.3 27.2 21.1
...
2018 02 26 12 10 47.1 +19 23 57 0.09011 1.0721 154.6 23.3 20.9
2018 02 27 12 10 33.4 +21 43 38 0.09009 1.0722 154.3 23.6 20.9
2018 02 28 12 10 15.4 +24 02 35 0.09026 1.0722 153.7 24.1 21.0
...
2018 03 06 12 06 55.4 +37 07 23 0.09487 1.0717 145.7 31.4 21.3
...
2018 03 14 11 58 31.6 +50 40 21 0.1087 1.0697 131.8 43.9 21.9
...
2018 03 29 11 37 21.2 +64 00 38 0.1457 1.0617 112.1 60.6 23.0
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-D81
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