MPEC 2009-Y30 : 2009 YR
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M.P.E.C. 2009-Y30 Issued 2009 Dec. 19, 22:02 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 http://www.cfa.harvard.edu/iau/mpc.html ISSN 1523-6714
2009 YR
Observations:
K09Y00R* C2009 12 19.27429 04 48 29.23 +21 58 16.4 19.6 V EY030G96
K09Y00R C2009 12 19.28076 04 48 19.65 +21 58 20.5 19.4 V EY030G96
K09Y00R C2009 12 19.28712 04 48 10.26 +21 58 24.2 19.6 V EY030G96
K09Y00R C2009 12 19.32744 04 47 10.81 +21 58 40.9 19.9 V EY030G96
K09Y00R C2009 12 19.32784 04 47 10.19 +21 58 40.7 19.1 V EY030G96
K09Y00R C2009 12 19.32872 04 47 08.90 +21 58 41.4 19.6 V EY030G96
K09Y00R C2009 12 19.39396 04 45 34.16 +21 58 41.8 20.2 V EY030G96
K09Y00R C2009 12 19.39476 04 45 33.01 +21 58 41.6 19.8 V EY030G96
K09Y00R C2009 12 19.39520 04 45 32.35 +21 58 41.1 19.9 V EY030G96
K09Y00R C2009 12 19.40277 04 45 20.72 +21 58 16.2 19.4 R EY030H01
K09Y00R C2009 12 19.40918 04 45 11.73 +21 58 14.2 19.3 R EY030H01
K09Y00R C2009 12 19.41534 04 45 03.14 +21 58 12.1 19.1 R EY030H01
K09Y00R C2009 12 19.42168 04 44 54.32 +21 58 09.8 19.2 R EY030H01
K09Y00R KC2009 12 19.90207 04 34 58.54 +22 01 06.9 EY030J95
K09Y00R KC2009 12 19.90449 04 34 54.75 +22 01 09.3 EY030J95
K09Y00R KC2009 12 19.90718 04 34 50.67 +22 01 10.2 19.5 R EY030J95
Observer details:
G96 Mt. Lemmon Survey. Observer A. R. Gibbs. Measurers 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.
H01 Magdalena Ridge Observatory, Socorro. Observers W. H. Ryan, E. V. Ryan.
Measurer W. H. Ryan. 2.4-m f/8.9 reflector + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
Orbital elements:
2009 YR Earth MOID = 0.0019 AU
Epoch 2010 Jan. 4.0 TT = JDT 2455200.5 MPC
M 258.98706 (2000.0) P Q
n 1.07999994 Peri. 128.30008 -0.81252280 +0.58279658
a 0.9408497 Node 87.35079 -0.53864070 -0.74245779
e 0.1116417 Incl. 0.71375 -0.22287415 -0.33030982
P 0.91 H 28.0 G 0.15 U 8
Residuals in seconds of arc
091219 G96 0.0 0.0 091219 G96 0.1+ 0.1+ 091219 H01 0.1+ 0.0
091219 G96 0.3- 0.1- 091219 G96 0.0 0.0 091219 J95 0.3+ 0.3-
091219 G96 0.1- 0.2- 091219 G96 0.4- 0.4- 091219 J95 0.6- 0.5+
091219 G96 0.5+ 0.1+ 091219 H01 0.2- 0.2+ 091219 J95 0.3+ 0.3-
091219 G96 0.1+ 0.2- 091219 H01 0.1- 0.1+
091219 G96 0.1+ 0.3+ 091219 H01 0.1+ 0.0
Ephemeris:
2009 YR a,e,i = 0.94, 0.11, 1 q = 0.8358
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2009 12 15 05 53.99 +20 32.8 0.0205 1.005 173.7 6.2 20.0
2009 12 16 05 42.24 +20 55.4 0.0191 1.003 176.9 3.0 19.7
2009 12 17 05 28.59 +21 17.8 0.0177 1.002 177.0 3.0 19.6
2009 12 18 05 12.67 +21 38.9 0.0165 1.000 172.8 7.0 19.6
2009 12 19 04 54.13 +21 56.3 0.0153 0.999 167.7 12.1 19.6
2009 12 20 04 32.61 +22 06.8 0.0142 0.997 161.7 18.0 19.7
2009 12 21 04 07.82 +22 06.1 0.0132 0.996 155.0 24.6 19.7
2009 12 22 03 39.67 +21 48.4 0.0124 0.994 147.5 32.1 19.8
2009 12 23 03 08.45 +21 07.9 0.0118 0.993 139.3 40.3 19.9
2009 12 24 02 34.91 +20 00.1 0.0114 0.991 130.3 49.2 20.1
2009 12 25 02 00.25 +18 23.8 0.0112 0.989 121.0 58.4 20.3
Timothy B. Spahr (C) Copyright 2009 MPC M.P.E.C. 2009-Y30
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- B01 (the abbreviated form)
