MPEC 2006-B37 : 2004 BG121
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M.P.E.C. 2006-B37 Issued 2006 Jan. 24, 12:16 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
2004 BG121
Revision to MPEC 2004-C38
Additional Observations:
K04BC1G C2006 01 23.28837 08 38 19.75 +16 10 11.1 20.9 V EB037G96
K04BC1G C2006 01 23.29004 08 38 19.57 +16 10 13.0 20.7 V EB037G96
K04BC1G C2006 01 23.29171 08 38 19.42 +16 10 14.4 20.4 V EB037G96
K04BC1G C2006 01 23.29338 08 38 19.24 +16 10 16.5 20.9 V EB037G96
K04BC1G C2006 01 23.34058 08 38 14.71 +16 11 05.8 21.1 V EB037G96
K04BC1G C2006 01 23.34828 08 38 13.92 +16 11 13.7 21.1 V EB037G96
K04BC1G C2006 01 23.35589 08 38 13.20 +16 11 21.6 21.3 V EB037G96
K04BC1G C2006 01 23.36355 08 38 12.48 +16 11 29.4 20.8 V EB037G96
K04BC1G C2006 01 23.88568 08 37 23.63 +16 20 33.0 20.8 V EB037240
K04BC1G C2006 01 23.90215 08 37 22.08 +16 20 50.6 21.0 V EB037240
K04BC1G C2006 01 23.91257 08 37 20.98 +16 21 00.3 20.6 V EB037198
K04BC1G C2006 01 23.91352 08 37 20.89 +16 21 01.4 20.6 V EB037198
K04BC1G C2006 01 23.91636 08 37 20.66 +16 21 04.8 20.6 V EB037198
K04BC1G C2006 01 23.91825 08 37 20.48 +16 21 06.9 20.6 V EB037198
K04BC1G C2006 01 23.91862 08 37 20.53 +16 21 08.1 21.0 V EB037240
K04BC1G C2006 01 23.95600 08 37 16.75 +16 21 45.3 EB037246
K04BC1G C2006 01 23.96025 08 37 16.24 +16 21 52.0 EB037246
K04BC1G C2006 01 23.96221 08 37 16.00 +16 21 58.7 EB037246
K04BC1G C2006 01 24.20209 08 36 53.84 +16 26 04.6 20.0 V EB037291
K04BC1G HC2006 01 24.20976 08 36 53.23 +16 26 13.3 EB037291
K04BC1G C2006 01 24.21361 08 36 52.83 +16 26 18.3 21.7 V EB037291
Observer details:
198 Wildberg. Observer R. Apitzsch. 0.35-m f/4.2 reflector + CCD.
240 Herrenberg. Observer H. Michels. 0.40-m f/5 reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha. Measurer M. Tichy.
1.06-m KLENOT Telescope + CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
G96 Mt. Lemmon Survey. Observer E. C. Beshore. 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:
2004 BG121 Earth MOID = 0.0706 AU
Epoch 2006 Mar. 6.0 TT = JDT 2453800.5 MPC
M 144.85150 (2000.0) P Q
n 0.48136660 Peri. 206.66634 +0.88923396 +0.37669944
a 1.6124469 Node 128.72553 -0.33733133 +0.92319424
e 0.3427593 Incl. 19.43138 -0.30898307 +0.07622293
P 2.05 H 19.0 G 0.15 U 5
Residuals in seconds of arc
040130 691 0.7- 0.3+ 040212 691 0.2+ 0.1- 060123 G96 0.6+ 0.2+
040130 691 0.2+ 0.1- 040212 691 0.0 0.1- 060123 G96 0.0 0.0
040130 691 0.2+ 0.4- 040212 691 0.4- 0.2+ 060123 G96 0.3+ 0.0
040130 291 0.1- 0.3+ 040212 691 0.3+ 0.4+ 060123 G96 0.6+ 0.2-
040130 291 0.9+ 0.2- 040212 691 0.0 0.2+ 060123 240 0.2- 0.1+
040130 291 (3.2+ 1.1-) 040213 691 0.2+ 0.2+ 060123 240 0.3+ 0.4+
040130 540 (2.3- 1.2+) 040213 691 0.1+ 0.6- 060123 198 1.1- 0.8-
040131 291 0.1- 0.1+ 040213 691 0.6+ 0.5- 060123 198 1.1- 0.7-
040131 291 0.2- 0.0 040213 691 0.0 0.2- 060123 198 0.4- 0.3-
040131 291 0.4- 0.0 040213 691 0.2- 0.2- 060123 198 0.4- 0.2-
040211 691 0.7+ 0.2+ 040213 691 0.7+ 0.1- 060123 240 0.8+ 0.6+
040211 691 0.2- 0.1+ 040214 691 0.2+ 0.2- 060123 246 1.1- 1.3-
040211 691 0.5- 0.0 040214 691 0.5- 0.4+ 060123 246 (2.6- 0.9+)
040212 691 0.5- 0.4- 060123 G96 0.2+ 0.1+ 060123 246 (3.3- 5.6+)
040212 691 0.1+ 0.2+ 060123 G96 0.1- 0.3+ 060124 291 1.3- 0.7-
040212 691 0.0 0.4+ 060123 G96 0.1+ 0.1- 060124 291 0.5+ 0.0
040212 691 0.5- 0.3+ 060123 G96 0.2- 0.3+ 060124 291 0.1+ 0.9+
Ephemeris:
2004 BG121 a,e,i = 1.61, 0.34, 19 q = 1.0598
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2006 01 25 08 35.64 +16 40.0 1.043 2.027 177.1 1.4 20.8
2006 02 04 08 20.22 +19 27.2 1.076 2.050 167.8 5.8 21.2
2006 02 14 08 06.86 +21 52.6 1.138 2.071 154.1 12.0 21.6
2006 02 24 07 57.07 +23 48.7 1.224 2.091 141.4 17.2 21.9
2006 03 06 07 51.57 +25 15.5 1.330 2.107 129.8 21.2 22.3
2006 03 16 07 50.37 +26 16.3 1.450 2.122 119.3 24.1 22.6
Timothy B. Spahr (C) Copyright 2006 MPC M.P.E.C. 2006-B37
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