MPEC 2007-W49 : 2007 WZ4
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M.P.E.C. 2007-W49 Issued 2007 Nov. 21, 21:47 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
2007 WZ4
Observations:
K07W04Z* C2007 11 20.21543 03 21 27.10 +10 27 59.4 17.9 V EW049703
K07W04Z C2007 11 20.22186 03 21 29.55 +10 28 56.7 17.6 V EW049703
K07W04Z C2007 11 20.22831 03 21 32.00 +10 29 54.8 17.4 V EW049703
K07W04Z C2007 11 20.23475 03 21 34.41 +10 30 53.0 18.1 V EW049703
K07W04Z C2007 11 20.24213 03 21 37.22 +10 31 58.5 17.3 V EW049G96
K07W04Z C2007 11 20.24733 03 21 39.13 +10 32 45.0 17.2 V EW049G96
K07W04Z C2007 11 20.25251 03 21 41.07 +10 33 31.4 17.1 V EW049G96
K07W04Z C2007 11 20.25785 03 21 43.05 +10 34 19.0 17.1 V EW049G96
K07W04Z C2007 11 20.27344 03 21 48.77 +10 36 37.2 EW049703
K07W04Z C2007 11 20.27396 03 21 49.00 +10 36 42.8 17.5 V EW049703
K07W04Z C2007 11 20.27449 03 21 49.19 +10 36 47.3 17.9 V EW049703
K07W04Z C2007 11 20.35524 03 22 19.12 +10 48 34.5 17.1 V EW049703
K07W04Z C2007 11 20.35578 03 22 19.30 +10 48 41.0 17.0 V EW049703
K07W04Z C2007 11 20.35632 03 22 19.52 +10 48 44.8 18.0 V EW049703
K07W04Z C2007 11 20.35685 03 22 19.74 +10 48 49.7 17.8 V EW049703
K07W04Z C2007 11 20.38804 03 22 31.03 +10 53 11.9 18.0 R EW049H01
K07W04Z C2007 11 20.38865 03 22 31.27 +10 53 17.2 18.2 R EW049H01
K07W04Z C2007 11 20.39038 03 22 31.93 +10 53 32.1 18.0 R EW049H01
K07W04Z C2007 11 20.39060 03 22 32.48 +10 53 40.5 17.5 V EW049703
K07W04Z C2007 11 20.39116 03 22 32.66 +10 53 45.5 18.1 V EW049703
K07W04Z C2007 11 20.39168 03 22 32.88 +10 53 50.1 17.6 V EW049703
K07W04Z C2007 11 20.39219 03 22 32.63 +10 53 47.3 18.0 R EW049H01
K07W04Z C2007 11 20.39223 03 22 33.13 +10 53 54.0 17.4 V EW049703
K07W04Z C2007 11 20.39471 03 22 33.60 +10 54 09.0 18.3 R EW049H01
K07W04Z C2007 11 20.39649 03 22 34.30 +10 54 24.1 18.1 R EW049H01
K07W04Z C2007 11 20.46921 03 23 17.39 +11 09 28.8 18.1 R EW049474
K07W04Z IC2007 11 20.47060 03 23 17.97 +11 09 41.1 EW049474
K07W04Z C2007 11 20.47315 03 23 18.85 +11 10 02.9 18.2 R EW049474
K07W04Z C2007 11 20.47546 03 23 19.84 +11 10 23.8 19.1 R EW049474
K07W04Z C2007 11 20.47720 03 23 20.41 +11 10 38.2 18.0 R EW049474
K07W04Z C2007 11 21.20492 03 28 31.80 +12 45 47.8 18.0 V EW049703
K07W04Z C2007 11 21.20819 03 28 32.88 +12 46 14.3 17.7 V EW049703
K07W04Z C2007 11 21.21151 03 28 34.03 +12 46 40.1 17.8 V EW049703
K07W04Z C2007 11 21.21479 03 28 35.11 +12 47 06.0 17.4 V EW049703
K07W04Z 5C2007 11 21.36215 03 29 24.92 +13 05 59.2 17.5 R EW049673
K07W04Z 5C2007 11 21.36832 03 29 26.92 +13 06 46.2 EW049673
K07W04Z 5C2007 11 21.37527 03 29 29.14 +13 07 37.4 EW049673
K07W04Z 5C2007 11 21.38221 03 29 31.53 +13 08 30.1 EW049673
K07W04Z C2007 11 21.61556 03 31 11.52 +13 41 24.4 EW049D21
K07W04Z C2007 11 21.61778 03 31 12.20 +13 41 39.5 18.8 R EW049D21
Observer details:
474 Mount John Observatory, Lake Tekapo. Observer A. C. Gilmore. 1.0-m f/7.7
reflector + CCD.
673 Table Mountain Observatory, Wrightwood. Observer D. Mayes. 0.6-m f/16
Cassegrain + CCD.
703 Catalina Sky Survey. Observer R. E. Hill. 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. 0.68-m Schmidt + CCD.
D21 Tenagra Observatory, Shenton Park. Observers P. Luckas, P. R. Holvorcem,
M. Schwartz. Measurer P. R. Holvorcem. 0.35-m f/9.4 Schmidt-Cassegrain
+ CCD.
G96 Mt. Lemmon Survey. Observer A. Boattini. 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. Observer W. H. Ryan. 2.4-m f/8.9
reflector + CCD.
Orbital elements:
2007 WZ4 Earth MOID = 0.0183 AU
Epoch 2007 Oct. 27.0 TT = JDT 2454400.5 MPC
M 6.31646 (2000.0) P Q
n 0.62148809 Peri. 315.71207 +0.94605405 -0.32081832
a 1.3599226 Node 63.05036 +0.30961270 +0.85385295
e 0.2807013 Incl. 2.91668 +0.09550768 +0.40989114
P 1.59 H 24.2 G 0.15 U 6
Residuals in seconds of arc
071120 703 0.2- 0.7+ 071120 703 0.3+ 0.2+ 071120 474 1.2+ 0.5+
071120 703 0.0 0.0 071120 H01 0.1- 0.2+ 071120 474 0.1+ 0.1-
071120 703 0.2+ 0.0 071120 H01 0.0 0.3+ 071121 703 0.3+ 0.1-
071120 703 0.0 0.4+ 071120 H01 0.1- 0.3+ 071121 703 0.0 0.5+
071120 G96 0.5+ 0.2- 071120 703 0.1+ 0.0 071121 703 0.4+ 0.0
071120 G96 0.0 0.2- 071120 703 0.4- 0.2+ 071121 703 0.1+ 0.1-
071120 G96 0.1+ 0.1- 071120 703 0.1- 0.3+ 071121 673 0.4+ 0.0
071120 G96 0.0 0.2- 071120 H01 0.1- 0.0 071121 673 0.0 0.4+
071120 703 0.7- 0.8- 071120 703 0.5+ 0.5- 071121 673 1.1- 0.8-
071120 703 0.1- 0.2+ 071120 H01 0.2- 0.1+ 071121 673 0.2+ 0.3-
071120 703 0.2- 0.0 071120 H01 0.0 0.0 071121 D21 0.0 1.0+
071120 703 0.1+ 1.0- 071120 474 0.5- 0.5- 071121 D21 0.2- 0.5-
071120 703 0.3- 0.8+ 071120 474 0.4+ 0.2-
071120 703 0.0 0.1- 071120 474 0.7- 0.4-
Ephemeris:
2007 WZ4 a,e,i = 1.36, 0.28, 3 q = 0.9782
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2007 11 16 02 39.79 -03 34.2 0.0296 1.016 155.5 23.9 17.7
2007 11 26 03 53.76 +20 31.1 0.0563 1.043 177.4 2.5 18.3
2007 12 06 04 21.09 +27 40.4 0.0912 1.076 172.0 7.3 19.7
2007 12 16 04 35.23 +30 19.5 0.132 1.113 165.6 12.7 20.8
2007 12 26 04 46.05 +31 18.1 0.180 1.153 158.5 18.2 21.7
Timothy B. Spahr (C) Copyright 2007 MPC M.P.E.C. 2007-W49
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