MPEC 2011-Y13 : 2011 YW1
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Read MPEC 2011-Y12
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M.P.E.C. 2011-Y13 Issued 2011 Dec. 20, 11:20 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.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2011 YW1
Observations:
K11Y01W* C2011 12 18.03324 07 06 27.03 +24 59 17.3 17.4 RrEY013106
K11Y01W C2011 12 18.04620 07 06 26.10 +25 01 09.7 17.5 RrEY013106
K11Y01W C2011 12 18.05915 07 06 25.20 +25 03 01.3 17.3 RrEY013106
K11Y01W C2011 12 18.06274 07 06 26.02 +25 03 44.4 17.7 RcEY013J04
K11Y01W C2011 12 18.07206 07 06 24.27 +25 04 55.1 17.6 RrEY013106
K11Y01W C2011 12 18.08415 07 06 24.42 +25 06 51.1 17.7 RcEY013J04
K11Y01W C2011 12 18.10556 07 06 22.81 +25 09 57.4 17.7 RcEY013J04
K11Y01W KC2011 12 18.33595207 06 08.20 +25 43 20.8 18.2 VtEY013H21
K11Y01W KC2011 12 18.33961707 06 07.91 +25 43 52.8 18.1 VtEY013H21
K11Y01W KC2011 12 18.34402007 06 07.59 +25 44 31.4 18.2 VtEY013H21
K11Y01W KC2011 12 18.34811807 06 07.28 +25 45 06.9 18.1 VtEY013H21
K11Y01W KC2011 12 18.43410007 06 01.18 +25 57 37.4 17.2 RuEY013H36
K11Y01W KC2011 12 18.43671807 06 00.98 +25 58 00.2 17.3 RuEY013H36
K11Y01W KC2011 12 18.44508307 06 00.37 +25 59 13.2 17.1 RuEY013H36
K11Y01W KC2011 12 18.44785407 06 00.21 +25 59 37.3 17.4 RuEY013H36
K11Y01W C2011 12 18.51560 07 05 59.21 +26 09 30.1 17.4 RoEY013300
K11Y01W C2011 12 18.51657 07 05 59.17 +26 09 38.5 18.1 RoEY013300
K11Y01W C2011 12 18.51754 07 05 59.15 +26 09 47.7 18.3 RoEY013300
K11Y01W C2011 12 18.52045 07 05 58.96 +26 10 14.5 18.1 RoEY013300
K11Y01W C2011 12 18.83895 07 05 37.58 +26 56 50.1 17.6 RuEY013B18
K11Y01W C2011 12 18.84103 07 05 37.42 +26 57 08.5 17.6 RuEY013B18
K11Y01W C2011 12 18.84383 07 05 37.20 +26 57 33.3 17.6 RuEY013B18
K11Y01W C2011 12 18.84733 07 05 36.92 +26 58 03.9 17.4 RuEY013B18
K11Y01W KC2011 12 18.90805 07 05 33.43 +27 06 55.0 18.0 VuEY013I93
K11Y01W KC2011 12 18.90989 07 05 33.14 +27 07 07.8 uEY013J95
K11Y01W KC2011 12 18.91148 07 05 33.01 +27 07 21.7 uEY013J95
K11Y01W KC2011 12 18.91450 07 05 32.79 +27 07 48.5 uEY013J95
K11Y01W KC2011 12 18.91629 07 05 32.82 +27 08 08.1 18.0 VuEY013I93
K11Y01W KC2011 12 18.91672 07 05 32.63 +27 08 08.2 17.5 RuEY013J95
K11Y01W KC2011 12 18.92505 07 05 32.17 +27 09 25.8 17.9 VuEY013I93
K11Y01W KC2011 12 18.92625 07 05 31.83 +27 09 36.8 tEY013204
K11Y01W KC2011 12 18.93009 07 05 31.54 +27 10 10.9 tEY013204
K11Y01W KC2011 12 18.93394 07 05 31.25 +27 10 44.7 17.7 RtEY013204
K11Y01W KC2011 12 18.95257 07 05 30.79 +27 13 36.3 18.1 RoEY013J04
K11Y01W KC2011 12 18.95533 07 05 30.62 +27 14 00.7 17.0 RoEY013J04
K11Y01W KC2011 12 18.95809 07 05 30.39 +27 14 25.3 17.8 RoEY013J04
K11Y01W 4C2011 12 19.23815607 05 11.40 +27 55 34.4 18.2 RuEY013673
K11Y01W 4C2011 12 19.23905307 05 11.37 +27 55 41.6 17.9 RuEY013673
K11Y01W 4C2011 12 19.23990307 05 11.31 +27 55 50.2 17.8 RuEY013673
K11Y01W 4C2011 12 19.24045707 05 11.30 +27 55 54.2 17.7 RuEY013673
K11Y01W 4C2011 12 19.24101907 05 11.26 +27 55 59.1 17.7 RuEY013673
K11Y01W KC2011 12 19.32909607 05 03.34 +28 09 00.9 17.3 RuEY013H36
K11Y01W KC2011 12 19.33082907 05 03.19 +28 09 15.8 17.5 RuEY013H36
K11Y01W KC2011 12 19.33255907 05 03.03 +28 09 32.1 17.5 RuEY013H36
K11Y01W KC2011 12 19.83053 07 04 29.75 +29 22 56.5 17.9 VuEY013595
K11Y01W KC2011 12 19.83621 07 04 29.32 +29 23 47.7 17.9 VuEY013595
K11Y01W KC2011 12 19.86468 07 04 27.06 +29 28 02.6 17.8 VwEY013B28
K11Y01W KC2011 12 19.86839 07 04 26.77 +29 28 35.8 18.0 VwEY013B28
K11Y01W KC2011 12 19.87175 07 04 26.49 +29 29 06.1 17.7 VwEY013B28
K11Y01W KC2011 12 19.94938 07 04 21.26 +29 40 45.8 17.6 RoEY013J04
K11Y01W KC2011 12 19.95201 07 04 21.04 +29 41 09.4 17.6 RoEY013J04
K11Y01W KC2011 12 19.95464 07 04 20.83 +29 41 32.7 17.5 RoEY013J04
K11Y01W C2011 12 19.97483 07 04 17.91 +29 44 27.2 17.2 RrEY013106
K11Y01W C2011 12 19.98795 07 04 16.82 +29 46 24.6 17.3 RrEY013106
K11Y01W KC2011 12 19.99278 07 04 16.58 +29 47 07.1 rEY013203
K11Y01W C2011 12 20.00095 07 04 15.65 +29 48 19.9 17.2 RrEY013106
K11Y01W KC2011 12 20.00322 07 04 15.67 +29 48 40.0 rEY013203
K11Y01W C2011 12 20.01399 07 04 14.59 +29 50 14.3 17.3 RrEY013106
Observer details:
106 Crni Vrh. Observers J. Skvarc, S. Maticic. 0.6-m f/3.3 Deltagraph + CCD.
203 GiaGa Observatory. Observers S. Foglia, G. Galli. Measurer G. Galli.
0.28-m f/6.8 Schmidt-Cassegrain + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers T. Sakamoto,
$. (BN. Hashimoto. 1.0-m f/3.0 reflector + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.40-m f/4.5 reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer M. Hicks. 0.6-m f/16
Cassegrain + CCD.
B18 Terskol. Observers N. Parakhin, M. Andreev, A. Sergeev, V. Kozlov,
N. Karpov. Measurer M. Andreev. 0.6-m f/12.8 Cassegrain + CCD.
B28 Mandi Observatory, Pagnacco. Observer p. corelli. 0.45-m f/4.5 reflector
+ CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Vorobjov, L. Buzzi, S. Foglia. 0.61-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J04 ESA Optical Ground Station, Tenerife. Observers D. Abreu, P. Ruiz.
Measurers H. Bill, M. Busch, D. Koschny, A. Knoefel. 1.0-m f/4.4
reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2011 YW1 Earth MOID = 0.2385 AU
Epoch 2012 Mar. 14.0 TT = JDT 2456000.5 MPC
M 31.51277 (2000.0) P Q
n 0.40638353 Peri. 8.79305 -0.10381376 -0.81372578
a 1.8051445 Node 88.75100 +0.87420719 -0.34887750
e 0.3248667 Incl. 34.89253 +0.47432531 +0.46490305
P 2.43 H 19.7 G 0.15 U 8
Residuals in seconds of arc
111218 106 0.2- 0.1+ 111218 B18 0.0 0.3+ 111219 673 0.5+ 0.6-
111218 106 0.3- 0.2- 111218 B18 0.1- 0.4+ 111219 H36 0.1+ 0.0
111218 106 0.1+ 1.1- 111218 B18 0.3- 0.0 111219 H36 0.0 0.4-
111218 J04 0.2+ 0.2+ 111218 I93 0.0 0.0 111219 H36 0.2- 0.6+
111218 106 0.0 0.6+ 111218 J95 0.2+ 0.1+ 111219 595 0.0 0.5-
111218 J04 0.2+ 0.2+ 111218 J95 0.0 0.1- 111219 595 0.2+ 0.2-
111218 J04 0.2+ 0.1- 111218 J95 0.0 0.1- 111219 B28 0.1- 0.0
111218 H21 0.0 0.2- 111218 I93 0.0 0.0 111219 B28 0.0 0.0
111218 H21 0.3- 0.2- 111218 J95 0.0 0.1- 111219 B28 0.1- 0.2+
111218 H21 0.1- 0.0 111218 I93 0.0 0.0 111219 J04 0.2- 0.3+
111218 H21 0.2- 0.2- 111218 204 0.1- 0.1- 111219 J04 0.2- 0.3+
111218 H36 0.1+ 0.1- 111218 204 0.0 0.0 111219 J04 0.1- 0.0
111218 H36 0.0 0.0 111218 204 0.0 0.3- 111219 106 0.0 0.3+
111218 H36 0.1- 0.2+ 111218 J04 0.7- 0.2+ 111219 106 0.3+ 0.8+
111218 H36 0.5+ 0.1+ 111218 J04 0.2- 0.1+ 111219 203 0.4+ 0.2+
111218 300 0.4- 0.2- 111218 J04 0.4- 0.2+ 111220 106 0.4- 0.3+
111218 300 0.1- 0.3- 111219 673 0.6- 0.2+ 111220 203 0.2+ 0.1+
111218 300 0.6+ 0.3+ 111219 673 0.1- 0.5- 111220 106 0.4+ 1.3-
111218 300 0.8+ 1.4+ 111219 673 0.0 0.5+
111218 B18 0.0 0.3+ 111219 673 0.5+ 0.5-
Ephemeris:
2011 YW1 a,e,i = 1.81, 0.32, 35 q = 1.2187
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2011 11 20 07 06 03.7 -15 14 05 0.4451 1.2624 118.4 43.5 20.1
...
2011 12 05 07 12 06.7 -00 40 18 0.3146 1.2348 137.1 32.9 19.0
...
2011 12 13 07 10 15.8 +13 31 33 0.2659 1.2254 151.8 22.3 18.3
...
2011 12 19 07 05 25.9 +27 20 34 0.2474 1.2210 161.4 14.9 17.9
2011 12 20 07 04 15.7 +29 48 14 0.2461 1.2205 162.1 14.3 17.9
2011 12 21 07 02 58.4 +32 16 51 0.2455 1.2200 162.4 14.1 17.9
...
2011 12 27 06 52 26.8 +46 44 55 0.2531 1.2187 155.7 19.4 18.1
...
2012 01 04 06 29 17.1 +62 17 59 0.2901 1.2205 140.3 31.0 18.8
...
2012 01 19 05 12 59.8 +77 22 43 0.4044 1.2349 119.6 43.8 19.9
A. U. Tomatic (C) Copyright 2011 MPC M.P.E.C. 2011-Y13
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