MPEC 2005-Y61 : 2005 YL128
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M.P.E.C. 2005-Y61 Issued 2005 Dec. 31, 01:05 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Supported in part by the Brinson Foundation
Supported in part by the TABASGO Foundation
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2005 YL128
Observations:
K05YC8L* C2005 12 29.27314 07 34 43.23 +20 03 40.1 20.9 V EY061691
K05YC8L C2005 12 29.29050 07 34 40.51 +20 03 18.1 21.2 V EY061691
K05YC8L C2005 12 29.30784 07 34 37.82 +20 02 56.3 21.0 V EY061691
K05YC8L C2005 12 30.25575 07 32 13.63 +19 42 33.7 21.6 V EY061291
K05YC8L C2005 12 30.26043 07 32 12.88 +19 42 27.7 21.4 V EY061291
K05YC8L C2005 12 30.27180 07 32 11.07 +19 42 13.3 21.6 V EY061291
K05YC8L C2005 12 30.35947 07 31 56.85 +19 40 18.8 20.6 V EY061G96
K05YC8L C2005 12 30.36638 07 31 55.77 +19 40 09.5 20.6 V EY061G96
K05YC8L C2005 12 30.37361 07 31 54.51 +19 40 00.1 21.6 V EY061G96
K05YC8L C2005 12 30.37629 07 31 53.77 +19 39 56.8 EY061711
K05YC8L C2005 12 30.38058 07 31 53.47 +19 39 50.8 20.8 V EY061G96
K05YC8L FC2005 12 30.38319 07 31 52.94 +19 39 47.7 EY061711
K05YC8L C2005 12 30.38979 07 31 51.98 +19 39 38.5 21.0 V EY061G96
K05YC8L IC2005 12 30.39006 07 31 51.78 +19 39 39.5 EY061711
K05YC8L C2005 12 30.39779 07 31 50.66 +19 39 27.8 21.0 V EY061G96
K05YC8L C2005 12 30.40607 07 31 49.28 +19 39 15.2 21.0 V EY061G96
K05YC8L C2005 12 30.41412 07 31 47.98 +19 39 06.1 21.5 V EY061G96
Observer details:
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 reflector + CCD.
691 Steward Observatory, Kitt Peak. Observer R. S. McMillan. 0.9-m f/3
reflector + CCD.
711 McDonald Observatory. Observer J. G. Ries. 0.76-m reflector + CCD
+ prime-focus corrector.
G96 Mt. Lemmon Survey. Observer R. Hill. Measurers E. C. Beshore,
E. J. Christensen, G. J. Garradd, A. D. Grauer, R. E. Hill, R. A. Kowalski,
S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
Orbital elements:
2005 YL128 Earth MOID = 0.1258 AU
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 324.46209 (2000.0) P Q
n 0.62908926 Peri. 308.94406 -0.60814741 +0.73365006
a 1.3489459 Node 280.85626 -0.59870467 -0.67467994
e 0.4465727 Incl. 17.98082 -0.52125756 -0.08102203
P 1.57 H 21.1 G 0.15 U 9
Residuals in seconds of arc
051229 691 0.2+ 0.1+ 051230 G96 0.1- 0.3+ 051230 G96 0.7+ 0.1+
051229 691 0.1- 0.1- 051230 G96 0.5+ 0.1+ 051230 711 0.2+ 1.1+
051229 691 0.0 0.1- 051230 G96 0.7- 0.3+ 051230 G96 0.4+ 0.0
051230 291 0.2- 0.1- 051230 711 (3.2- 0.1+) 051230 G96 0.2- 1.6-
051230 291 0.2- 0.1- 051230 G96 0.6+ 0.2+ 051230 G96 0.1- 0.0
051230 291 0.1+ 0.2+ 051230 711 0.9+ 0.2+
Ephemeris:
2005 YL128 a,e,i = 1.35, 0.45, 18 q = 0.7465
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2005 12 26 07 42.35 +21 09.2 0.535 1.498 160.5 12.7 21.4
2006 01 05 07 15.89 +17 24.8 0.457 1.439 173.9 4.2 20.6
2006 01 15 06 41.93 +12 25.7 0.406 1.376 162.3 12.5 20.6
2006 01 25 06 05.73 +06 36.0 0.381 1.309 143.1 26.8 20.8
2006 02 04 05 33.60 +00 49.4 0.378 1.240 124.6 40.9 21.1
2006 02 14 05 09.10 -04 15.9 0.387 1.168 108.3 53.4 21.3
2006 02 24 04 51.87 -08 37.4 0.398 1.095 94.4 64.3 21.6
2006 03 06 04 39.50 -12 31.7 0.405 1.021 82.4 74.4 21.8
2006 03 16 04 28.31 -16 19.2 0.403 0.949 71.7 84.5 22.0
Timothy B. Spahr (C) Copyright 2005 MPC M.P.E.C. 2005-Y61
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