MPEC 2004-P01 : 2003 YS117
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M.P.E.C. 2004-P01 Issued 2004 Aug. 1, 02:18 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
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2003 YS117
Revision to MPEC 2003-Y90
Additional Observations:
K03YB7S C2004 07 31.98345 06 42 58.29 +67 11 35.0 19.3 R EP001J95
K03YB7S C2004 08 01.01031 06 42 55.79 +67 16 16.5 EP001J95
K03YB7S C2004 08 01.02435 06 42 54.29 +67 18 43.9 19.1 R EP001J95
Observer details:
J95 Great Shefford. Observer P. Birtwhistle. 0.30-m f/6.3 Schmidt-Cassegrain
+ CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
040731 J95 19.6- 3.5+ 040801 J95 19.6- 3.6+ MPO 62463 -0.0013 day
Orbital elements:
2003 YS117
Epoch 2004 July 14.0 TT = JDT 2453200.5 MPC
M 13.96785 (2000.0) P Q
n 0.70561291 Peri. 322.02273 -0.06151686 +0.90304851
a 1.2495636 Node 300.47743 -0.75163550 -0.32214623
e 0.3305343 Incl. 29.55545 -0.65670370 +0.28412180
P 1.40 H 18.5 G 0.15 U 3
Residuals in seconds of arc
031227 704 0.7- 1.9+ 040101 170 1.1- 0.7- 040118 941 0.2- 0.5-
031227 704 1.6+ 0.2+ 040101 170 0.8- 0.6- 040118 941 0.1- 0.4-
031227 704 0.5- 0.2+ 040104 699 1.1+ 1.0- 040118 941 0.1- 0.3-
031227 704 0.6- 0.0 040104 699 0.4+ 0.2- 040119 691 0.1+ 0.2+
031227 704 0.3- 0.4+ 040104 699 0.0 0.1- 040119 691 0.0 0.1+
031228 704 0.2- 0.3+ 040104 699 1.3- 0.1+ 040119 691 0.0 0.0
031228 704 0.2+ 0.6+ 040104 J87 1.3- 0.4- 040121 704 0.1+ 0.2+
031228 704 0.2- 0.5+ 040104 J87 1.4- 1.2- 040121 704 0.1+ 0.3+
031228 704 0.1- 0.0 040105 926 0.8+ 0.4+ 040121 704 0.1- 0.1+
031228 704 0.1- 0.0 040105 926 0.3+ 0.3- 040121 704 0.2- 0.4+
031229 H36 0.1+ 0.7- 040105 926 0.9- 0.6+ 040121 704 1.3+ 0.2-
031229 H36 1.1+ 0.2+ 040105 703 0.3+ 0.4- 040123 A41 1.3- 1.0-
031229 H36 0.1+ 0.0 040105 703 1.2- 0.7- 040123 A41 1.3- 0.3-
031229 926 0.3+ 0.0 040105 703 0.5+ 1.1+ 040123 084 0.2- 0.0
031229 854 0.7- 0.3- 040105 703 0.3- 0.2+ 040124 704 (3.9+ 0.1+)
031229 926 0.1+ 0.4- 040105 413 0.2- 0.2- 040124 704 (5.3+ 0.6-)
031229 854 1.0+ 1.6- 040105 413 0.1- 0.2- 040124 704 (4.6+ 0.3-)
031229 854 1.1+ 0.1- 040105 413 0.2- 0.3- 040124 704 (4.5+ 0.5-)
031229 926 0.3- 0.3+ 040113 649 0.2- 0.4- 040124 704 (3.8+ 1.6-)
031229 704 1.0+ 0.7+ 040113 649 0.1- 0.1- 040129 704 0.5- 0.1+
031229 704 1.0+ 0.3+ 040113 649 0.0 0.2- 040129 704 0.5- 0.2+
031229 704 0.6+ 0.3+ 040113 644 0.3+ 0.0 040129 704 0.2- 0.2-
031229 704 1.2+ 0.4+ 040113 644 0.5+ 0.0 040129 704 0.2+ 0.3+
031229 704 0.4+ 0.8+ 040113 644 0.4+ 0.5+ 040129 704 0.2- 0.0
031229 704 1.3+ 0.9+ 040116 926 0.4+ 0.2+ 040212 A16 1.1- 0.1+
031229 704 0.6+ 0.6+ 040116 926 0.1+ 0.1+ 040212 A16 (0.1+ 3.5-)
031229 704 0.6+ 0.0 040116 926 0.2+ 0.0 040304 413 0.3+ 0.2+
031230 704 1.3+ 0.3+ 040117 644 0.1- 0.2+ 040304 413 0.3+ 0.2+
031230 704 0.5+ 0.7+ 040117 644 0.1+ 0.1+ 040731 J95 0.2- 0.0
031230 704 0.3+ 0.3+ 040117 644 0.1+ 0.1- 040801 J95 0.4+ 0.0
040101 170 0.4- 0.2+ 040118 941 0.1- 0.6- 040801 J95 0.2- 0.1+
Ephemeris:
2003 YS117 a,e,i = 1.25, 0.33, 30 q = 0.8365
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2004 07 24 06 56.17 +37 07.0 0.135 0.894 24.3 152.2 22.8
2004 08 03 06 38.10 +72 34.9 0.176 0.935 58.4 112.4 18.9
2004 08 13 02 27.14 +88 53.8 0.250 0.982 75.7 90.1 18.6
2004 08 23 19 10.66 +81 50.0 0.329 1.033 84.4 77.1 18.8
2004 09 02 19 02.89 +76 23.5 0.403 1.086 89.9 68.3 19.1
2004 09 12 19 07.68 +72 12.1 0.471 1.140 93.9 61.8 19.4
2004 09 22 19 19.61 +68 34.0 0.532 1.193 97.1 56.6 19.6
2004 10 02 19 36.90 +65 12.6 0.588 1.245 99.9 52.4 19.8
2004 10 12 19 58.37 +61 59.3 0.640 1.295 102.2 48.9 19.9
2004 10 22 20 23.26 +58 50.8 0.690 1.342 104.1 46.0 20.1
2004 11 01 20 50.66 +55 47.0 0.741 1.387 105.4 43.6 20.2
2004 11 11 21 19.76 +52 48.3 0.794 1.429 105.9 41.8 20.4
2004 11 21 21 49.98 +49 57.7 0.851 1.467 105.6 40.4 20.6
2004 12 01 22 20.67 +47 18.5 0.914 1.502 104.4 39.5 20.8
2004 12 11 22 51.41 +44 53.0 0.984 1.534 102.4 38.8 20.9
2004 12 21 23 21.92 +42 43.8 1.061 1.562 99.6 38.4 21.1
2004 12 31 23 51.98 +40 51.9 1.145 1.587 96.1 38.0 21.3
2005 01 10 00 21.49 +39 16.5 1.235 1.608 92.2 37.7 21.5
2005 01 20 00 50.46 +37 56.5 1.330 1.626 88.0 37.2 21.7
2005 01 30 01 18.89 +36 49.6 1.429 1.640 83.5 36.6 21.8
2005 02 09 01 46.82 +35 53.0 1.529 1.651 78.8 35.9 22.0
(Last issue was M.P.E.C. 2004-O49)
Gareth V. Williams (C) Copyright 2004 MPC M.P.E.C. 2004-P01
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