[Iaude] MPEC E01: 2018 DA1 [a=1.21,e=0.73,i=25.5,H=18.8,PHA]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Thu Mar 1 06:39:17 EST 2018
M.P.E.C. 2018-E01 Issued 2018 Mar. 1, 11:33 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
2018 DA1
Revision to MPEC 2018-D56
Additional Observations:
K18D01A _C2007 04 08.24141705 19 48.597+23 47 09.56 20.6 GUEE001568
K18D01A _C2007 04 08.25692905 19 54.434+23 47 33.26 20.6 GUEE001568
K18D01A C2011 04 04.19330 05 27 29.88 +25 12 50.7 20.8 VrEE001G96
K18D01A C2011 04 04.19608 05 27 30.85 +25 12 54.9 21.0 VrEE001G96
K18D01A C2011 04 04.19888 05 27 31.96 +25 12 58.8 20.5 VrEE001G96
K18D01A C2011 04 04.20164 05 27 33.01 +25 13 03.0 20.5 VrEE001G96
K18D01A C2011 04 04.20443 05 27 34.12 +25 13 07.2 20.8 VrEE001G96
K18D01A C2013 04 20.49762514 20 44.543+33 31 16.28 21.7 GUEE001F51
K18D01A C2013 04 20.50841214 20 43.005+33 31 27.05 21.8 GUEE001F51
K18D01A C2013 04 20.51835314 20 41.594+33 31 36.87 21.6 GUEE001F51
K18D01A C2017 04 09.54198614 55 51.828+29 29 46.87 21.5 GUEE001F51
K18D01A C2017 04 09.56354214 55 49.490+29 30 18.20 21.1 GUEE001F51
K18D01A C2017 05 29.28321913 06 15.104+36 18 09.84 21.4 GUEE001F51
K18D01A C2017 05 29.29453813 06 14.024+36 18 03.87 21.2 GUEE001F51
Observer details:
568 Mauna Kea. Observers R. Wainscoat, R. Zelman. Measurer M. Micheli.
3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers B. Gibson, T. Goggia, S. Kahale,
T. Lowe, A. Schultz, M. Willman. Measurer M. Micheli. 1.8-m
Ritchey-Chretien + CCD.
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers J. D. Ahern,
E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer,
R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m
reflector + CCD.
Orbital elements:
2018 DA1 PHA, Earth MOID = 0.0032 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 130.48978 (2000.0) P Q
n 0.74306367 Peri. 233.89781 +0.92025888 -0.27640827
a 1.2072171 Node 139.95777 +0.30279389 +0.95137307
e 0.7272741 Incl. 25.50171 -0.24786984 +0.13596969
P 1.33 H 18.8 G 0.15 U 3
Residuals in seconds of arc
070408 568 0.4+ 0.3- 180218 G96 0.1- 0.0 180225 033 0.1+ 0.1+
070408 568 0.6+ 0.1- 180218 G96 0.4+ 0.3- 180225 033 0.1+ 0.1+
110404 G96 0.2+ 0.5- 180222 033 0.2+ 0.1+ 180225 033 0.1+ 0.0
110404 G96 0.8- 0.4- 180222 033 0.3+ 0.2- 180225 033 0.1+ 0.1+
110404 G96 0.1- 0.6- 180222 033 0.4+ 0.1- 180225 I52 0.2+ 0.7-
110404 G96 0.1+ 0.5- 180222 033 0.2+ 0.3- 180225 I52 (1.0+ 1.8-)
110404 G96 0.9+ 0.4- 180222 033 0.2+ 0.1+ 180225 I52 0.8- 0.3-
130420 F51 0.1- 0.1+ 180222 033 0.2+ 0.6+ 180226 291 0.3+ 0.1+
130420 F51 0.2- 0.0 180222 033 0.2+ 0.0 180226 291 0.2+ 0.2+
130420 F51 0.2- 0.1- 180222 033 0.6- 0.2+ 180226 291 0.2+ 0.2+
170409 F51 0.1+ 0.2- 180222 033 0.8- 0.0 180227 291 0.2- 0.3+
170409 F51 0.3+ 0.1- 180222 033 0.4- 0.1+ 180227 291 0.2+ 0.3+
170529 F51 0.2- 0.1- 180222 033 0.0 1.4+ 180227 291 0.2+ 0.1+
170529 F51 0.0 0.1- 180222 033 0.2+ 1.3+ 180227 I52 0.3+ 0.6-
180218 G96 0.2+ 0.1+ 180222 033 0.2+ 1.2+ 180227 I52 0.2- 0.5-
180218 G96 0.5+ 0.1- 180222 033 0.2- 1.2+ 180227 I52 0.3+ 0.8-
180218 G96 0.3+ 0.0 180223 I52 0.3- 0.6- 180227 I52 0.7- 1.0-
180218 G96 0.4- 0.1+ 180223 I52 0.4- 0.4-
180218 G96 (0.8+ 1.7-) 180223 I52 0.3+ 0.3-
Ephemeris:
2018 DA1 a,e,i = 1.21, 0.73, 26 q = 0.3292
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 01 30 13 51 11.1 +09 04 23 1.1582 1.7194 106.4 33.3 21.7
...
2018 02 14 13 46 03.0 +15 05 06 1.0739 1.8095 122.7 27.3 21.5
...
2018 02 22 13 38 15.1 +18 47 07 1.0420 1.8517 131.5 23.6 21.3
...
2018 02 28 13 29 57.2 +21 38 57 1.0270 1.8809 137.6 20.8 21.3
2018 03 01 13 28 22.2 +22 07 31 1.0254 1.8856 138.5 20.4 21.2
2018 03 02 13 26 44.0 +22 35 57 1.0241 1.8902 139.4 19.9 21.2
...
2018 03 08 13 15 48.4 +25 22 16 1.0216 1.9166 144.2 17.6 21.2
...
2018 03 16 12 58 46.7 +28 42 11 1.0345 1.9486 147.6 15.9 21.2
...
2018 03 31 12 23 47.7 +33 02 24 1.1097 1.9991 142.9 17.5 21.5
(Last issue was M.P.E.C. 2018-D93)
Gareth V. Williams (C) Copyright 2018 MPC M.P.E.C. 2018-E01
More information about the Iaude
mailing list